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fix: PKGBUILD compositor-agnostisch, Beispiel-Configs bereinigt

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Moongreet ist ein reiner GTK4-Greeter ohne eigenen Compositor.
niri-greeter.kdl entfernt — der User konfiguriert seinen
Compositor selbst (regreet → moongreet tauschen).
This commit is contained in:
nevaforget 2026-03-26 13:38:27 +01:00
parent 10b613b50b
commit 6400270a50
50 changed files with 3353 additions and 7 deletions
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2
pkg/PKGBUILD
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@ -44,7 +44,7 @@ package() {
cd "$srcdir/greetd-moongreet"
python -m installer --destdir="$pkgdir" dist/*.whl
# Example config
# Greeter config
install -Dm644 config/moongreet.toml "$pkgdir/etc/moongreet/moongreet.toml"
# Cache directory

1
pkg/greetd-moongreet/HEAD Normal file
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@ -0,0 +1 @@
ref: refs/heads/main

9
pkg/greetd-moongreet/config Normal file
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@ -0,0 +1,9 @@
[core]
repositoryformatversion = 0
filemode = true
bare = true
[remote "origin"]
url = https://gitea.moonarch.de/nevaforget/greetd-moongreet.git
tagOpt = --no-tags
fetch = +refs/*:refs/*
mirror = true

1
pkg/greetd-moongreet/description Normal file
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@ -0,0 +1 @@
Unnamed repository; edit this file 'description' to name the repository.

15
pkg/greetd-moongreet/hooks/applypatch-msg.sample Executable file
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@ -0,0 +1,15 @@
#!/bin/sh
#
# An example hook script to check the commit log message taken by
# applypatch from an e-mail message.
#
# The hook should exit with non-zero status after issuing an
# appropriate message if it wants to stop the commit. The hook is
# allowed to edit the commit message file.
#
# To enable this hook, rename this file to "applypatch-msg".
. git-sh-setup
commitmsg="$(git rev-parse --git-path hooks/commit-msg)"
test -x "$commitmsg" && exec "$commitmsg" ${1+"$@"}
:

24
pkg/greetd-moongreet/hooks/commit-msg.sample Executable file
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@ -0,0 +1,24 @@
#!/bin/sh
#
# An example hook script to check the commit log message.
# Called by "git commit" with one argument, the name of the file
# that has the commit message. The hook should exit with non-zero
# status after issuing an appropriate message if it wants to stop the
# commit. The hook is allowed to edit the commit message file.
#
# To enable this hook, rename this file to "commit-msg".
# Uncomment the below to add a Signed-off-by line to the message.
# Doing this in a hook is a bad idea in general, but the prepare-commit-msg
# hook is more suited to it.
#
# SOB=$(git var GIT_AUTHOR_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p')
# grep -qs "^$SOB" "$1" || echo "$SOB" >> "$1"
# This example catches duplicate Signed-off-by lines.
test "" = "$(grep '^Signed-off-by: ' "$1" |
sort | uniq -c | sed -e '/^[ ]*1[ ]/d')" || {
echo >&2 Duplicate Signed-off-by lines.
exit 1
}

174
pkg/greetd-moongreet/hooks/fsmonitor-watchman.sample Executable file
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@ -0,0 +1,174 @@
#!/usr/bin/perl
use strict;
use warnings;
use IPC::Open2;
# An example hook script to integrate Watchman
# (https://facebook.github.io/watchman/) with git to speed up detecting
# new and modified files.
#
# The hook is passed a version (currently 2) and last update token
# formatted as a string and outputs to stdout a new update token and
# all files that have been modified since the update token. Paths must
# be relative to the root of the working tree and separated by a single NUL.
#
# To enable this hook, rename this file to "query-watchman" and set
# 'git config core.fsmonitor .git/hooks/query-watchman'
#
my ($version, $last_update_token) = @ARGV;
# Uncomment for debugging
# print STDERR "$0 $version $last_update_token\n";
# Check the hook interface version
if ($version ne 2) {
die "Unsupported query-fsmonitor hook version '$version'.\n" .
"Falling back to scanning...\n";
}
my $git_work_tree = get_working_dir();
my $retry = 1;
my $json_pkg;
eval {
require JSON::XS;
$json_pkg = "JSON::XS";
1;
} or do {
require JSON::PP;
$json_pkg = "JSON::PP";
};
launch_watchman();
sub launch_watchman {
my $o = watchman_query();
if (is_work_tree_watched($o)) {
output_result($o->{clock}, @{$o->{files}});
}
}
sub output_result {
my ($clockid, @files) = @_;
# Uncomment for debugging watchman output
# open (my $fh, ">", ".git/watchman-output.out");
# binmode $fh, ":utf8";
# print $fh "$clockid\n@files\n";
# close $fh;
binmode STDOUT, ":utf8";
print $clockid;
print "\0";
local $, = "\0";
print @files;
}
sub watchman_clock {
my $response = qx/watchman clock "$git_work_tree"/;
die "Failed to get clock id on '$git_work_tree'.\n" .
"Falling back to scanning...\n" if $? != 0;
return $json_pkg->new->utf8->decode($response);
}
sub watchman_query {
my $pid = open2(\*CHLD_OUT, \*CHLD_IN, 'watchman -j --no-pretty')
or die "open2() failed: $!\n" .
"Falling back to scanning...\n";
# In the query expression below we're asking for names of files that
# changed since $last_update_token but not from the .git folder.
#
# To accomplish this, we're using the "since" generator to use the
# recency index to select candidate nodes and "fields" to limit the
# output to file names only. Then we're using the "expression" term to
# further constrain the results.
my $last_update_line = "";
if (substr($last_update_token, 0, 1) eq "c") {
$last_update_token = "\"$last_update_token\"";
$last_update_line = qq[\n"since": $last_update_token,];
}
my $query = <<" END";
["query", "$git_work_tree", {$last_update_line
"fields": ["name"],
"expression": ["not", ["dirname", ".git"]]
}]
END
# Uncomment for debugging the watchman query
# open (my $fh, ">", ".git/watchman-query.json");
# print $fh $query;
# close $fh;
print CHLD_IN $query;
close CHLD_IN;
my $response = do {local $/; <CHLD_OUT>};
# Uncomment for debugging the watch response
# open ($fh, ">", ".git/watchman-response.json");
# print $fh $response;
# close $fh;
die "Watchman: command returned no output.\n" .
"Falling back to scanning...\n" if $response eq "";
die "Watchman: command returned invalid output: $response\n" .
"Falling back to scanning...\n" unless $response =~ /^\{/;
return $json_pkg->new->utf8->decode($response);
}
sub is_work_tree_watched {
my ($output) = @_;
my $error = $output->{error};
if ($retry > 0 and $error and $error =~ m/unable to resolve root .* directory (.*) is not watched/) {
$retry--;
my $response = qx/watchman watch "$git_work_tree"/;
die "Failed to make watchman watch '$git_work_tree'.\n" .
"Falling back to scanning...\n" if $? != 0;
$output = $json_pkg->new->utf8->decode($response);
$error = $output->{error};
die "Watchman: $error.\n" .
"Falling back to scanning...\n" if $error;
# Uncomment for debugging watchman output
# open (my $fh, ">", ".git/watchman-output.out");
# close $fh;
# Watchman will always return all files on the first query so
# return the fast "everything is dirty" flag to git and do the
# Watchman query just to get it over with now so we won't pay
# the cost in git to look up each individual file.
my $o = watchman_clock();
$error = $output->{error};
die "Watchman: $error.\n" .
"Falling back to scanning...\n" if $error;
output_result($o->{clock}, ("/"));
$last_update_token = $o->{clock};
eval { launch_watchman() };
return 0;
}
die "Watchman: $error.\n" .
"Falling back to scanning...\n" if $error;
return 1;
}
sub get_working_dir {
my $working_dir;
if ($^O =~ 'msys' || $^O =~ 'cygwin') {
$working_dir = Win32::GetCwd();
$working_dir =~ tr/\\/\//;
} else {
require Cwd;
$working_dir = Cwd::cwd();
}
return $working_dir;
}

8
pkg/greetd-moongreet/hooks/post-update.sample Executable file
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@ -0,0 +1,8 @@
#!/bin/sh
#
# An example hook script to prepare a packed repository for use over
# dumb transports.
#
# To enable this hook, rename this file to "post-update".
exec git update-server-info

14
pkg/greetd-moongreet/hooks/pre-applypatch.sample Executable file
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@ -0,0 +1,14 @@
#!/bin/sh
#
# An example hook script to verify what is about to be committed
# by applypatch from an e-mail message.
#
# The hook should exit with non-zero status after issuing an
# appropriate message if it wants to stop the commit.
#
# To enable this hook, rename this file to "pre-applypatch".
. git-sh-setup
precommit="$(git rev-parse --git-path hooks/pre-commit)"
test -x "$precommit" && exec "$precommit" ${1+"$@"}
:

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pkg/greetd-moongreet/hooks/pre-commit.sample Executable file
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@ -0,0 +1,49 @@
#!/bin/sh
#
# An example hook script to verify what is about to be committed.
# Called by "git commit" with no arguments. The hook should
# exit with non-zero status after issuing an appropriate message if
# it wants to stop the commit.
#
# To enable this hook, rename this file to "pre-commit".
if git rev-parse --verify HEAD >/dev/null 2>&1
then
against=HEAD
else
# Initial commit: diff against an empty tree object
against=$(git hash-object -t tree /dev/null)
fi
# If you want to allow non-ASCII filenames set this variable to true.
allownonascii=$(git config --type=bool hooks.allownonascii)
# Redirect output to stderr.
exec 1>&2
# Cross platform projects tend to avoid non-ASCII filenames; prevent
# them from being added to the repository. We exploit the fact that the
# printable range starts at the space character and ends with tilde.
if [ "$allownonascii" != "true" ] &&
# Note that the use of brackets around a tr range is ok here, (it's
# even required, for portability to Solaris 10's /usr/bin/tr), since
# the square bracket bytes happen to fall in the designated range.
test $(git diff-index --cached --name-only --diff-filter=A -z $against |
LC_ALL=C tr -d '[ -~]\0' | wc -c) != 0
then
cat <<\EOF
Error: Attempt to add a non-ASCII file name.
This can cause problems if you want to work with people on other platforms.
To be portable it is advisable to rename the file.
If you know what you are doing you can disable this check using:
git config hooks.allownonascii true
EOF
exit 1
fi
# If there are whitespace errors, print the offending file names and fail.
exec git diff-index --check --cached $against --

13
pkg/greetd-moongreet/hooks/pre-merge-commit.sample Executable file
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@ -0,0 +1,13 @@
#!/bin/sh
#
# An example hook script to verify what is about to be committed.
# Called by "git merge" with no arguments. The hook should
# exit with non-zero status after issuing an appropriate message to
# stderr if it wants to stop the merge commit.
#
# To enable this hook, rename this file to "pre-merge-commit".
. git-sh-setup
test -x "$GIT_DIR/hooks/pre-commit" &&
exec "$GIT_DIR/hooks/pre-commit"
:

53
pkg/greetd-moongreet/hooks/pre-push.sample Executable file
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@ -0,0 +1,53 @@
#!/bin/sh
# An example hook script to verify what is about to be pushed. Called by "git
# push" after it has checked the remote status, but before anything has been
# pushed. If this script exits with a non-zero status nothing will be pushed.
#
# This hook is called with the following parameters:
#
# $1 -- Name of the remote to which the push is being done
# $2 -- URL to which the push is being done
#
# If pushing without using a named remote those arguments will be equal.
#
# Information about the commits which are being pushed is supplied as lines to
# the standard input in the form:
#
# <local ref> <local oid> <remote ref> <remote oid>
#
# This sample shows how to prevent push of commits where the log message starts
# with "WIP" (work in progress).
remote="$1"
url="$2"
zero=$(git hash-object --stdin </dev/null | tr '[0-9a-f]' '0')
while read local_ref local_oid remote_ref remote_oid
do
if test "$local_oid" = "$zero"
then
# Handle delete
:
else
if test "$remote_oid" = "$zero"
then
# New branch, examine all commits
range="$local_oid"
else
# Update to existing branch, examine new commits
range="$remote_oid..$local_oid"
fi
# Check for WIP commit
commit=$(git rev-list -n 1 --grep '^WIP' "$range")
if test -n "$commit"
then
echo >&2 "Found WIP commit in $local_ref, not pushing"
exit 1
fi
fi
done
exit 0

169
pkg/greetd-moongreet/hooks/pre-rebase.sample Executable file
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@ -0,0 +1,169 @@
#!/bin/sh
#
# Copyright (c) 2006, 2008 Junio C Hamano
#
# The "pre-rebase" hook is run just before "git rebase" starts doing
# its job, and can prevent the command from running by exiting with
# non-zero status.
#
# The hook is called with the following parameters:
#
# $1 -- the upstream the series was forked from.
# $2 -- the branch being rebased (or empty when rebasing the current branch).
#
# This sample shows how to prevent topic branches that are already
# merged to 'next' branch from getting rebased, because allowing it
# would result in rebasing already published history.
publish=next
basebranch="$1"
if test "$#" = 2
then
topic="refs/heads/$2"
else
topic=`git symbolic-ref HEAD` ||
exit 0 ;# we do not interrupt rebasing detached HEAD
fi
case "$topic" in
refs/heads/??/*)
;;
*)
exit 0 ;# we do not interrupt others.
;;
esac
# Now we are dealing with a topic branch being rebased
# on top of master. Is it OK to rebase it?
# Does the topic really exist?
git show-ref -q "$topic" || {
echo >&2 "No such branch $topic"
exit 1
}
# Is topic fully merged to master?
not_in_master=`git rev-list --pretty=oneline ^master "$topic"`
if test -z "$not_in_master"
then
echo >&2 "$topic is fully merged to master; better remove it."
exit 1 ;# we could allow it, but there is no point.
fi
# Is topic ever merged to next? If so you should not be rebasing it.
only_next_1=`git rev-list ^master "^$topic" ${publish} | sort`
only_next_2=`git rev-list ^master ${publish} | sort`
if test "$only_next_1" = "$only_next_2"
then
not_in_topic=`git rev-list "^$topic" master`
if test -z "$not_in_topic"
then
echo >&2 "$topic is already up to date with master"
exit 1 ;# we could allow it, but there is no point.
else
exit 0
fi
else
not_in_next=`git rev-list --pretty=oneline ^${publish} "$topic"`
/usr/bin/perl -e '
my $topic = $ARGV[0];
my $msg = "* $topic has commits already merged to public branch:\n";
my (%not_in_next) = map {
/^([0-9a-f]+) /;
($1 => 1);
} split(/\n/, $ARGV[1]);
for my $elem (map {
/^([0-9a-f]+) (.*)$/;
[$1 => $2];
} split(/\n/, $ARGV[2])) {
if (!exists $not_in_next{$elem->[0]}) {
if ($msg) {
print STDERR $msg;
undef $msg;
}
print STDERR " $elem->[1]\n";
}
}
' "$topic" "$not_in_next" "$not_in_master"
exit 1
fi
<<\DOC_END
This sample hook safeguards topic branches that have been
published from being rewound.
The workflow assumed here is:
* Once a topic branch forks from "master", "master" is never
merged into it again (either directly or indirectly).
* Once a topic branch is fully cooked and merged into "master",
it is deleted. If you need to build on top of it to correct
earlier mistakes, a new topic branch is created by forking at
the tip of the "master". This is not strictly necessary, but
it makes it easier to keep your history simple.
* Whenever you need to test or publish your changes to topic
branches, merge them into "next" branch.
The script, being an example, hardcodes the publish branch name
to be "next", but it is trivial to make it configurable via
$GIT_DIR/config mechanism.
With this workflow, you would want to know:
(1) ... if a topic branch has ever been merged to "next". Young
topic branches can have stupid mistakes you would rather
clean up before publishing, and things that have not been
merged into other branches can be easily rebased without
affecting other people. But once it is published, you would
not want to rewind it.
(2) ... if a topic branch has been fully merged to "master".
Then you can delete it. More importantly, you should not
build on top of it -- other people may already want to
change things related to the topic as patches against your
"master", so if you need further changes, it is better to
fork the topic (perhaps with the same name) afresh from the
tip of "master".
Let's look at this example:
o---o---o---o---o---o---o---o---o---o "next"
/ / / /
/ a---a---b A / /
/ / / /
/ / c---c---c---c B /
/ / / \ /
/ / / b---b C \ /
/ / / / \ /
---o---o---o---o---o---o---o---o---o---o---o "master"
A, B and C are topic branches.
* A has one fix since it was merged up to "next".
* B has finished. It has been fully merged up to "master" and "next",
and is ready to be deleted.
* C has not merged to "next" at all.
We would want to allow C to be rebased, refuse A, and encourage
B to be deleted.
To compute (1):
git rev-list ^master ^topic next
git rev-list ^master next
if these match, topic has not merged in next at all.
To compute (2):
git rev-list master..topic
if this is empty, it is fully merged to "master".
DOC_END

24
pkg/greetd-moongreet/hooks/pre-receive.sample Executable file
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#!/bin/sh
#
# An example hook script to make use of push options.
# The example simply echoes all push options that start with 'echoback='
# and rejects all pushes when the "reject" push option is used.
#
# To enable this hook, rename this file to "pre-receive".
if test -n "$GIT_PUSH_OPTION_COUNT"
then
i=0
while test "$i" -lt "$GIT_PUSH_OPTION_COUNT"
do
eval "value=\$GIT_PUSH_OPTION_$i"
case "$value" in
echoback=*)
echo "echo from the pre-receive-hook: ${value#*=}" >&2
;;
reject)
exit 1
esac
i=$((i + 1))
done
fi

42
pkg/greetd-moongreet/hooks/prepare-commit-msg.sample Executable file
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@ -0,0 +1,42 @@
#!/bin/sh
#
# An example hook script to prepare the commit log message.
# Called by "git commit" with the name of the file that has the
# commit message, followed by the description of the commit
# message's source. The hook's purpose is to edit the commit
# message file. If the hook fails with a non-zero status,
# the commit is aborted.
#
# To enable this hook, rename this file to "prepare-commit-msg".
# This hook includes three examples. The first one removes the
# "# Please enter the commit message..." help message.
#
# The second includes the output of "git diff --name-status -r"
# into the message, just before the "git status" output. It is
# commented because it doesn't cope with --amend or with squashed
# commits.
#
# The third example adds a Signed-off-by line to the message, that can
# still be edited. This is rarely a good idea.
COMMIT_MSG_FILE=$1
COMMIT_SOURCE=$2
SHA1=$3
/usr/bin/perl -i.bak -ne 'print unless(m/^. Please enter the commit message/..m/^#$/)' "$COMMIT_MSG_FILE"
# case "$COMMIT_SOURCE,$SHA1" in
# ,|template,)
# /usr/bin/perl -i.bak -pe '
# print "\n" . `git diff --cached --name-status -r`
# if /^#/ && $first++ == 0' "$COMMIT_MSG_FILE" ;;
# *) ;;
# esac
# SOB=$(git var GIT_COMMITTER_IDENT | sed -n 's/^\(.*>\).*$/Signed-off-by: \1/p')
# git interpret-trailers --in-place --trailer "$SOB" "$COMMIT_MSG_FILE"
# if test -z "$COMMIT_SOURCE"
# then
# /usr/bin/perl -i.bak -pe 'print "\n" if !$first_line++' "$COMMIT_MSG_FILE"
# fi

78
pkg/greetd-moongreet/hooks/push-to-checkout.sample Executable file
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#!/bin/sh
# An example hook script to update a checked-out tree on a git push.
#
# This hook is invoked by git-receive-pack(1) when it reacts to git
# push and updates reference(s) in its repository, and when the push
# tries to update the branch that is currently checked out and the
# receive.denyCurrentBranch configuration variable is set to
# updateInstead.
#
# By default, such a push is refused if the working tree and the index
# of the remote repository has any difference from the currently
# checked out commit; when both the working tree and the index match
# the current commit, they are updated to match the newly pushed tip
# of the branch. This hook is to be used to override the default
# behaviour; however the code below reimplements the default behaviour
# as a starting point for convenient modification.
#
# The hook receives the commit with which the tip of the current
# branch is going to be updated:
commit=$1
# It can exit with a non-zero status to refuse the push (when it does
# so, it must not modify the index or the working tree).
die () {
echo >&2 "$*"
exit 1
}
# Or it can make any necessary changes to the working tree and to the
# index to bring them to the desired state when the tip of the current
# branch is updated to the new commit, and exit with a zero status.
#
# For example, the hook can simply run git read-tree -u -m HEAD "$1"
# in order to emulate git fetch that is run in the reverse direction
# with git push, as the two-tree form of git read-tree -u -m is
# essentially the same as git switch or git checkout that switches
# branches while keeping the local changes in the working tree that do
# not interfere with the difference between the branches.
# The below is a more-or-less exact translation to shell of the C code
# for the default behaviour for git's push-to-checkout hook defined in
# the push_to_deploy() function in builtin/receive-pack.c.
#
# Note that the hook will be executed from the repository directory,
# not from the working tree, so if you want to perform operations on
# the working tree, you will have to adapt your code accordingly, e.g.
# by adding "cd .." or using relative paths.
if ! git update-index -q --ignore-submodules --refresh
then
die "Up-to-date check failed"
fi
if ! git diff-files --quiet --ignore-submodules --
then
die "Working directory has unstaged changes"
fi
# This is a rough translation of:
#
# head_has_history() ? "HEAD" : EMPTY_TREE_SHA1_HEX
if git cat-file -e HEAD 2>/dev/null
then
head=HEAD
else
head=$(git hash-object -t tree --stdin </dev/null)
fi
if ! git diff-index --quiet --cached --ignore-submodules $head --
then
die "Working directory has staged changes"
fi
if ! git read-tree -u -m "$commit"
then
die "Could not update working tree to new HEAD"
fi

77
pkg/greetd-moongreet/hooks/sendemail-validate.sample Executable file
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#!/bin/sh
# An example hook script to validate a patch (and/or patch series) before
# sending it via email.
#
# The hook should exit with non-zero status after issuing an appropriate
# message if it wants to prevent the email(s) from being sent.
#
# To enable this hook, rename this file to "sendemail-validate".
#
# By default, it will only check that the patch(es) can be applied on top of
# the default upstream branch without conflicts in a secondary worktree. After
# validation (successful or not) of the last patch of a series, the worktree
# will be deleted.
#
# The following config variables can be set to change the default remote and
# remote ref that are used to apply the patches against:
#
# sendemail.validateRemote (default: origin)
# sendemail.validateRemoteRef (default: HEAD)
#
# Replace the TODO placeholders with appropriate checks according to your
# needs.
validate_cover_letter () {
file="$1"
# TODO: Replace with appropriate checks (e.g. spell checking).
true
}
validate_patch () {
file="$1"
# Ensure that the patch applies without conflicts.
git am -3 "$file" || return
# TODO: Replace with appropriate checks for this patch
# (e.g. checkpatch.pl).
true
}
validate_series () {
# TODO: Replace with appropriate checks for the whole series
# (e.g. quick build, coding style checks, etc.).
true
}
# main -------------------------------------------------------------------------
if test "$GIT_SENDEMAIL_FILE_COUNTER" = 1
then
remote=$(git config --default origin --get sendemail.validateRemote) &&
ref=$(git config --default HEAD --get sendemail.validateRemoteRef) &&
worktree=$(mktemp --tmpdir -d sendemail-validate.XXXXXXX) &&
git worktree add -fd --checkout "$worktree" "refs/remotes/$remote/$ref" &&
git config --replace-all sendemail.validateWorktree "$worktree"
else
worktree=$(git config --get sendemail.validateWorktree)
fi || {
echo "sendemail-validate: error: failed to prepare worktree" >&2
exit 1
}
unset GIT_DIR GIT_WORK_TREE
cd "$worktree" &&
if grep -q "^diff --git " "$1"
then
validate_patch "$1"
else
validate_cover_letter "$1"
fi &&
if test "$GIT_SENDEMAIL_FILE_COUNTER" = "$GIT_SENDEMAIL_FILE_TOTAL"
then
git config --unset-all sendemail.validateWorktree &&
trap 'git worktree remove -ff "$worktree"' EXIT &&
validate_series
fi

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#!/bin/sh
#
# An example hook script to block unannotated tags from entering.
# Called by "git receive-pack" with arguments: refname sha1-old sha1-new
#
# To enable this hook, rename this file to "update".
#
# Config
# ------
# hooks.allowunannotated
# This boolean sets whether unannotated tags will be allowed into the
# repository. By default they won't be.
# hooks.allowdeletetag
# This boolean sets whether deleting tags will be allowed in the
# repository. By default they won't be.
# hooks.allowmodifytag
# This boolean sets whether a tag may be modified after creation. By default
# it won't be.
# hooks.allowdeletebranch
# This boolean sets whether deleting branches will be allowed in the
# repository. By default they won't be.
# hooks.denycreatebranch
# This boolean sets whether remotely creating branches will be denied
# in the repository. By default this is allowed.
#
# --- Command line
refname="$1"
oldrev="$2"
newrev="$3"
# --- Safety check
if [ -z "$GIT_DIR" ]; then
echo "Don't run this script from the command line." >&2
echo " (if you want, you could supply GIT_DIR then run" >&2
echo " $0 <ref> <oldrev> <newrev>)" >&2
exit 1
fi
if [ -z "$refname" -o -z "$oldrev" -o -z "$newrev" ]; then
echo "usage: $0 <ref> <oldrev> <newrev>" >&2
exit 1
fi
# --- Config
allowunannotated=$(git config --type=bool hooks.allowunannotated)
allowdeletebranch=$(git config --type=bool hooks.allowdeletebranch)
denycreatebranch=$(git config --type=bool hooks.denycreatebranch)
allowdeletetag=$(git config --type=bool hooks.allowdeletetag)
allowmodifytag=$(git config --type=bool hooks.allowmodifytag)
# check for no description
projectdesc=$(sed -e '1q' "$GIT_DIR/description")
case "$projectdesc" in
"Unnamed repository"* | "")
echo "*** Project description file hasn't been set" >&2
exit 1
;;
esac
# --- Check types
# if $newrev is 0000...0000, it's a commit to delete a ref.
zero=$(git hash-object --stdin </dev/null | tr '[0-9a-f]' '0')
if [ "$newrev" = "$zero" ]; then
newrev_type=delete
else
newrev_type=$(git cat-file -t $newrev)
fi
case "$refname","$newrev_type" in
refs/tags/*,commit)
# un-annotated tag
short_refname=${refname##refs/tags/}
if [ "$allowunannotated" != "true" ]; then
echo "*** The un-annotated tag, $short_refname, is not allowed in this repository" >&2
echo "*** Use 'git tag [ -a | -s ]' for tags you want to propagate." >&2
exit 1
fi
;;
refs/tags/*,delete)
# delete tag
if [ "$allowdeletetag" != "true" ]; then
echo "*** Deleting a tag is not allowed in this repository" >&2
exit 1
fi
;;
refs/tags/*,tag)
# annotated tag
if [ "$allowmodifytag" != "true" ] && git rev-parse $refname > /dev/null 2>&1
then
echo "*** Tag '$refname' already exists." >&2
echo "*** Modifying a tag is not allowed in this repository." >&2
exit 1
fi
;;
refs/heads/*,commit)
# branch
if [ "$oldrev" = "$zero" -a "$denycreatebranch" = "true" ]; then
echo "*** Creating a branch is not allowed in this repository" >&2
exit 1
fi
;;
refs/heads/*,delete)
# delete branch
if [ "$allowdeletebranch" != "true" ]; then
echo "*** Deleting a branch is not allowed in this repository" >&2
exit 1
fi
;;
refs/remotes/*,commit)
# tracking branch
;;
refs/remotes/*,delete)
# delete tracking branch
if [ "$allowdeletebranch" != "true" ]; then
echo "*** Deleting a tracking branch is not allowed in this repository" >&2
exit 1
fi
;;
*)
# Anything else (is there anything else?)
echo "*** Update hook: unknown type of update to ref $refname of type $newrev_type" >&2
exit 1
;;
esac
# --- Finished
exit 0

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* -export-subst -export-ignore

6
pkg/greetd-moongreet/info/exclude Normal file
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# git ls-files --others --exclude-from=.git/info/exclude
# Lines that start with '#' are comments.
# For a project mostly in C, the following would be a good set of
# exclude patterns (uncomment them if you want to use them):
# *.[oa]
# *~

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3
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# pack-refs with: peeled fully-peeled sorted
99c016adbc27e6455463b47fc6e6b3d2eb157def refs/heads/main
99c016adbc27e6455463b47fc6e6b3d2eb157def refs/tags/v0.1.0

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10
pkg/moongreet.install
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# ABOUTME: pacman install hooks for Moongreet.
# ABOUTME: Sets ownership on cache directory for the greeter user.
# ABOUTME: Sets ownership on cache directory and prints setup instructions.
post_install() {
if getent passwd greeter > /dev/null 2>&1; then
chown greeter:greeter /var/cache/moongreet
fi
echo "==> Copy /etc/moongreet/moongreet.toml and adjust the wallpaper path."
echo "==> Configure greetd to use moongreet:"
echo " [default_session]"
echo " command = \"moongreet\""
echo " user = \"greeter\""
echo "==> Moongreet installed."
echo "==> Add moongreet to your greeter compositor command in /etc/greetd/config.toml."
echo "==> Adjust wallpaper: /etc/moongreet/moongreet.toml"
}
post_upgrade() {

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18
pkg/pkg/moongreet/.INSTALL Normal file
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# ABOUTME: pacman install hooks for Moongreet.
# ABOUTME: Sets ownership on cache directory for the greeter user.
post_install() {
if getent passwd greeter > /dev/null 2>&1; then
chown greeter:greeter /var/cache/moongreet
fi
echo "==> Copy /etc/moongreet/moongreet.toml and adjust the wallpaper path."
echo "==> Configure greetd to use moongreet:"
echo " [default_session]"
echo " command = \"moongreet\""
echo " user = \"greeter\""
}
post_upgrade() {
post_install
}

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pkg/pkg/moongreet/.PKGINFO Normal file
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# Generated by makepkg 7.1.0
# using fakeroot version 1.37.2
pkgname = moongreet
pkgbase = moongreet
xdata = pkgtype=pkg
pkgver = 0.1.0-1
pkgdesc = A greetd greeter for Wayland, built with Python + GTK4 + gtk4-layer-shell
url = https://gitea.moonarch.de/nevaforget/greetd-moongreet
builddate = 1774528075
packager = Unknown Packager
size = 567020
arch = any
license = MIT
depend = python
depend = python-gobject
depend = gtk4
depend = gtk4-layer-shell
depend = greetd
makedepend = git
makedepend = python-build
makedepend = python-installer
makedepend = python-hatchling

6
pkg/pkg/moongreet/etc/moongreet/moongreet.toml Normal file
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# ABOUTME: Example configuration for the Moongreet greeter.
# ABOUTME: Copy to /etc/moongreet/moongreet.toml and adjust paths.
[appearance]
# Absolute path to wallpaper image
background = "/usr/share/backgrounds/wallpaper.jpg"

8
pkg/pkg/moongreet/usr/bin/moongreet Executable file
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#!/usr/bin/python
# -*- coding: utf-8 -*-
import re
import sys
from moongreet.main import main
if __name__ == "__main__":
sys.argv[0] = re.sub(r"(-script\.pyw|\.exe)?$", "", sys.argv[0])
sys.exit(main())

7
pkg/pkg/moongreet/usr/lib/python3.14/site-packages/moongreet-0.1.0.dist-info/METADATA Normal file
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Metadata-Version: 2.4
Name: moongreet
Version: 0.1.0
Summary: A greetd greeter for Wayland with GTK4
License-Expression: MIT
Requires-Python: >=3.11
Requires-Dist: pygobject>=3.46

18
pkg/pkg/moongreet/usr/lib/python3.14/site-packages/moongreet-0.1.0.dist-info/RECORD Normal file
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../../../bin/moongreet,sha256=fhnGyAMSfkZpGxKQbKkSeaRAge-a8Fggfv3Pu0coQFs,212
moongreet/__init__.py,sha256=QXh8GSCKrfiZ7_H2eiWGhfpBpznWUo4pFoIBqcTh07U,116
moongreet/config.py,sha256=_WUlBma-KPQUpxeepvQbpR3e2lTIuVBGVcyc_qTi4mA,2100
moongreet/greeter.py,sha256=Zist1Utwd3SzMDynbWQZG2l36E5C7h-anxQ1TXl6Hu4,22735
moongreet/i18n.py,sha256=RNGu2Yo5RxM8Cok1HZMPabY5X3t_Ga4M78MRTJHvs1c,3972
moongreet/ipc.py,sha256=55Np1qyY_T4ceRBr2nhGa4Dwed3__MBHzM16at4c2ss,2111
moongreet/main.py,sha256=WazQV9yncPMHTkfVqDQUYR6_KtPVqpf-h7HudmeWzaA,4648
moongreet/power.py,sha256=RYVvJrkGk0KFuWdE64xRch3oX_p2-Q78ieS-K5ZMMmg,468
moongreet/sessions.py,sha256=7abDbPeSEXZqhbphl_0AvY-4P8MqO_SlNl6pRVT-JFs,1947
moongreet/style.css,sha256=qpGjJSvTxy16SlYBQAKpFkmX1xeot0lHWNlim0nOpSs,1673
moongreet/users.py,sha256=jso4iswMJuxxlqMruga2NJMZbnEbQ_OzMPs78h8i5yY,3111
moongreet/data/default-avatar.svg,sha256=FaRdOK0qf6iR37j7uyAS6sh6cLelmwK6S9apIjC96yQ,2684
moongreet/data/wallpaper.jpg,sha256=wZEatvO-9VCSOgZ_H9bsre6m3vp5a63RljUK6ujXuKs,374226
moongreet/data/icons/hicolor/scalable/apps/moongreet-default-avatar-symbolic.svg,sha256=Zx9vJBV4JvoIY8MTzw3Cbx_Wy2d-qLFdfHFWnYwqqGc,2679
moongreet-0.1.0.dist-info/METADATA,sha256=5aE4QV5Xf60TwCt8HGpQGCXQvbPpLlXoUs3uBRk4m9A,180
moongreet-0.1.0.dist-info/WHEEL,sha256=QccIxa26bgl1E6uMy58deGWi-0aeIkkangHcxk2kWfw,87
moongreet-0.1.0.dist-info/entry_points.txt,sha256=_QpPvWlESl0gCjntxS5V8JmsKWEz8AtkneySdVW2r08,50
moongreet-0.1.0.dist-info/RECORD,,

4
pkg/pkg/moongreet/usr/lib/python3.14/site-packages/moongreet-0.1.0.dist-info/WHEEL Normal file
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Wheel-Version: 1.0
Generator: hatchling 1.29.0
Root-Is-Purelib: true
Tag: py3-none-any

2
pkg/pkg/moongreet/usr/lib/python3.14/site-packages/moongreet-0.1.0.dist-info/entry_points.txt Normal file
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[console_scripts]
moongreet = moongreet.main:main

2
pkg/pkg/moongreet/usr/lib/python3.14/site-packages/moongreet/__init__.py Normal file
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# ABOUTME: Moongreet package — a greetd greeter for Wayland with GTK4.
# ABOUTME: Part of the Moonarch ecosystem.

75
pkg/pkg/moongreet/usr/lib/python3.14/site-packages/moongreet/config.py Normal file
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# ABOUTME: Configuration loading from moongreet.toml.
# ABOUTME: Parses appearance and behavior settings with wallpaper path resolution.
import tomllib
from contextlib import AbstractContextManager
from dataclasses import dataclass
from importlib.resources import as_file, files
from pathlib import Path
DEFAULT_CONFIG_PATHS = [
Path("/etc/moongreet/moongreet.toml"),
]
@dataclass
class Config:
"""Greeter configuration loaded from moongreet.toml."""
background: Path | None = None
def load_config(config_path: Path | None = None) -> Config:
"""Load configuration from a TOML file.
Relative paths in the config are resolved against the config file's directory.
"""
if config_path is None:
for path in DEFAULT_CONFIG_PATHS:
if path.exists():
config_path = path
break
if config_path is None:
return Config()
if not config_path.exists():
return Config()
try:
with open(config_path, "rb") as f:
data = tomllib.load(f)
except (tomllib.TOMLDecodeError, OSError):
return Config()
config = Config()
appearance = data.get("appearance", {})
bg = appearance.get("background")
if bg:
bg_path = Path(bg)
if not bg_path.is_absolute():
bg_path = config_path.parent / bg_path
config.background = bg_path
return config
_PACKAGE_DATA = files("moongreet") / "data"
_DEFAULT_WALLPAPER_PATH = _PACKAGE_DATA / "wallpaper.jpg"
def resolve_wallpaper_path(
config: Config,
) -> tuple[Path, AbstractContextManager | None]:
"""Resolve the wallpaper path from config or fall back to the package default.
Returns (path, context_manager). The context_manager is non-None when a
package resource was extracted to a temporary file — the caller must keep
it alive and call __exit__ when done.
"""
if config.background and config.background.exists():
return config.background, None
ctx = as_file(_DEFAULT_WALLPAPER_PATH)
path = ctx.__enter__()
return path, ctx

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# ABOUTME: Main greeter window — builds the GTK4 UI layout for the Moongreet greeter.
# ABOUTME: Handles user selection, session choice, password entry, and power actions.
import logging
import os
import re
import shlex
import shutil
import socket
import stat
import subprocess
import threading
from importlib.resources import files
from pathlib import Path
import gi
gi.require_version("Gtk", "4.0")
gi.require_version("Gdk", "4.0")
from gi.repository import Gtk, Gdk, GLib, GdkPixbuf
from moongreet.config import load_config, resolve_wallpaper_path
from moongreet.i18n import load_strings, Strings
from moongreet.ipc import create_session, post_auth_response, start_session, cancel_session
from moongreet.users import User, get_users, get_avatar_path, get_user_gtk_theme
from moongreet.sessions import Session, get_sessions
from moongreet.power import reboot, shutdown
logger = logging.getLogger(__name__)
LAST_USER_PATH = Path("/var/cache/moongreet/last-user")
FAILLOCK_MAX_ATTEMPTS = 3
VALID_USERNAME = re.compile(r"^[a-zA-Z0-9_.-]+$")
MAX_USERNAME_LENGTH = 256
PACKAGE_DATA = files("moongreet") / "data"
DEFAULT_AVATAR_PATH = PACKAGE_DATA / "default-avatar.svg"
AVATAR_SIZE = 128
def faillock_warning(attempt_count: int, strings: Strings | None = None) -> str | None:
"""Return a warning if the user is approaching or has reached the faillock limit."""
if strings is None:
strings = load_strings()
remaining = FAILLOCK_MAX_ATTEMPTS - attempt_count
if remaining <= 0:
return strings.faillock_locked
if remaining == 1:
return strings.faillock_attempts_remaining.format(n=remaining)
return None
def _build_wallpaper_widget(bg_path: Path | None) -> Gtk.Widget:
"""Create a wallpaper widget that fills the available space."""
if bg_path and bg_path.exists():
background = Gtk.Picture()
background.set_filename(str(bg_path))
background.set_content_fit(Gtk.ContentFit.COVER)
background.set_hexpand(True)
background.set_vexpand(True)
return background
background = Gtk.Box()
background.set_hexpand(True)
background.set_vexpand(True)
return background
class WallpaperWindow(Gtk.ApplicationWindow):
"""A window that shows only the wallpaper — used for secondary monitors."""
def __init__(self, bg_path: Path | None = None, **kwargs) -> None:
super().__init__(**kwargs)
self.add_css_class("greeter")
self.set_default_size(1920, 1080)
self.set_child(_build_wallpaper_widget(bg_path))
class GreeterWindow(Gtk.ApplicationWindow):
"""The main greeter window with login UI."""
def __init__(self, bg_path: Path | None = None, **kwargs) -> None:
super().__init__(**kwargs)
self.add_css_class("greeter")
self.set_default_size(1920, 1080)
self._config = load_config()
self._strings = load_strings()
self._users = get_users()
self._sessions = get_sessions()
self._selected_user: User | None = None
self._greetd_sock: socket.socket | None = None
self._greetd_sock_lock = threading.Lock()
self._default_avatar_pixbuf: GdkPixbuf.Pixbuf | None = None
self._avatar_cache: dict[str, GdkPixbuf.Pixbuf] = {}
self._failed_attempts: dict[str, int] = {}
self._bg_path = bg_path
self._build_ui()
self._setup_keyboard_navigation()
# Defer initial user selection until the window is realized,
# so get_color() returns the actual theme foreground for SVG tinting
self.connect("realize", self._on_realize)
def _on_realize(self, widget: Gtk.Widget) -> None:
"""Called when the window is realized — select initial user.
Deferred from __init__ so get_color() returns actual theme values
for SVG tinting. Uses idle_add so the first frame renders before
avatar loading blocks the main loop.
"""
GLib.idle_add(self._select_initial_user)
def _build_ui(self) -> None:
"""Build the complete greeter UI layout."""
# Root overlay for layering
overlay = Gtk.Overlay()
self.set_child(overlay)
# Background wallpaper
overlay.set_child(_build_wallpaper_widget(self._bg_path))
# Main layout: 3 rows (top spacer, center login, bottom bar)
main_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
main_box.set_hexpand(True)
main_box.set_vexpand(True)
overlay.add_overlay(main_box)
# Top spacer
top_spacer = Gtk.Box()
top_spacer.set_vexpand(True)
main_box.append(top_spacer)
# Center: login box
center_box = self._build_login_box()
center_box.set_halign(Gtk.Align.CENTER)
main_box.append(center_box)
# Bottom spacer
bottom_spacer = Gtk.Box()
bottom_spacer.set_vexpand(True)
main_box.append(bottom_spacer)
# Bottom bar overlay (user list left, power buttons right)
bottom_bar = self._build_bottom_bar()
bottom_bar.set_valign(Gtk.Align.END)
overlay.add_overlay(bottom_bar)
def _build_login_box(self) -> Gtk.Box:
"""Build the central login area with avatar, name, session, password."""
box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
box.add_css_class("login-box")
box.set_halign(Gtk.Align.CENTER)
box.set_valign(Gtk.Align.CENTER)
box.set_spacing(12)
# Avatar — wrapped in a clipping frame for round shape
avatar_frame = Gtk.Box()
avatar_frame.set_size_request(AVATAR_SIZE, AVATAR_SIZE)
avatar_frame.set_halign(Gtk.Align.CENTER)
avatar_frame.set_overflow(Gtk.Overflow.HIDDEN)
avatar_frame.add_css_class("avatar")
self._avatar_image = Gtk.Image()
self._avatar_image.set_pixel_size(AVATAR_SIZE)
avatar_frame.append(self._avatar_image)
box.append(avatar_frame)
# Username label
self._username_label = Gtk.Label(label="")
self._username_label.add_css_class("username-label")
box.append(self._username_label)
# Session dropdown
self._session_dropdown = Gtk.DropDown()
self._session_dropdown.add_css_class("session-dropdown")
self._session_dropdown.set_hexpand(True)
if self._sessions:
session_names = [s.name for s in self._sessions]
string_list = Gtk.StringList.new(session_names)
self._session_dropdown.set_model(string_list)
box.append(self._session_dropdown)
# Password entry
self._password_entry = Gtk.PasswordEntry()
self._password_entry.set_hexpand(True)
self._password_entry.set_property("placeholder-text", self._strings.password_placeholder)
self._password_entry.set_property("show-peek-icon", True)
self._password_entry.add_css_class("password-entry")
self._password_entry.connect("activate", self._on_login_activate)
box.append(self._password_entry)
# Error label (hidden by default)
self._error_label = Gtk.Label(label="")
self._error_label.add_css_class("error-label")
self._error_label.set_visible(False)
box.append(self._error_label)
return box
def _build_bottom_bar(self) -> Gtk.Box:
"""Build the bottom bar with user list (left) and power buttons (right)."""
bar = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
bar.set_hexpand(True)
bar.set_margin_start(16)
bar.set_margin_end(16)
bar.set_margin_bottom(16)
# User list (left)
user_list_box = Gtk.Box(orientation=Gtk.Orientation.VERTICAL)
user_list_box.add_css_class("user-list")
user_list_box.set_halign(Gtk.Align.START)
user_list_box.set_valign(Gtk.Align.END)
for user in self._users:
btn = Gtk.Button(label=user.display_name)
btn.add_css_class("user-list-item")
btn.connect("clicked", self._on_user_clicked, user)
user_list_box.append(btn)
bar.append(user_list_box)
# Spacer
spacer = Gtk.Box()
spacer.set_hexpand(True)
bar.append(spacer)
# Power buttons (right)
power_box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
power_box.set_halign(Gtk.Align.END)
power_box.set_valign(Gtk.Align.END)
power_box.set_spacing(8)
reboot_btn = Gtk.Button()
reboot_btn.set_icon_name("system-reboot-symbolic")
reboot_btn.add_css_class("power-button")
reboot_btn.set_tooltip_text(self._strings.reboot_tooltip)
reboot_btn.connect("clicked", self._on_reboot_clicked)
power_box.append(reboot_btn)
shutdown_btn = Gtk.Button()
shutdown_btn.set_icon_name("system-shutdown-symbolic")
shutdown_btn.add_css_class("power-button")
shutdown_btn.set_tooltip_text(self._strings.shutdown_tooltip)
shutdown_btn.connect("clicked", self._on_shutdown_clicked)
power_box.append(shutdown_btn)
bar.append(power_box)
return bar
def _select_initial_user(self) -> None:
"""Select the last user or the first available user."""
if not self._users:
return
# Try to load last user
last_username = self._load_last_user()
target_user = None
if last_username:
for user in self._users:
if user.username == last_username:
target_user = user
break
if target_user is None:
target_user = self._users[0]
self._switch_to_user(target_user)
def _switch_to_user(self, user: User) -> None:
"""Update the UI to show the selected user."""
self._selected_user = user
self._username_label.set_text(user.display_name)
self._password_entry.set_text("")
self._error_label.set_visible(False)
# Update avatar (use cache if available)
if user.username in self._avatar_cache:
self._avatar_image.set_from_pixbuf(self._avatar_cache[user.username])
else:
avatar_path = get_avatar_path(
user.username, home_dir=user.home
)
if avatar_path and avatar_path.exists():
self._set_avatar_from_file(avatar_path, user.username)
else:
# Default avatar — _set_default_avatar uses Traversable.read_text()
# which works in ZIP wheels too, no exists() check needed
self._set_default_avatar()
# Apply user's GTK theme if available
self._apply_user_theme(user)
# Focus password entry
self._password_entry.grab_focus()
def _apply_user_theme(self, user: User) -> None:
"""Load the user's preferred GTK theme from their settings.ini."""
gtk_config_dir = user.home / ".config" / "gtk-4.0"
theme_name = get_user_gtk_theme(config_dir=gtk_config_dir)
settings = Gtk.Settings.get_default()
if settings is None:
return
current = settings.get_property("gtk-theme-name")
if theme_name and current != theme_name:
settings.set_property("gtk-theme-name", theme_name)
elif not theme_name and current:
settings.reset_property("gtk-theme-name")
def _get_foreground_color(self) -> str:
"""Get the current GTK theme foreground color as a hex string."""
rgba = self.get_color()
r = int(rgba.red * 255)
g = int(rgba.green * 255)
b = int(rgba.blue * 255)
return f"#{r:02x}{g:02x}{b:02x}"
def _set_default_avatar(self) -> None:
"""Load the default avatar SVG, tinted with the GTK foreground color."""
if self._default_avatar_pixbuf:
self._avatar_image.set_from_pixbuf(self._default_avatar_pixbuf)
return
try:
svg_text = DEFAULT_AVATAR_PATH.read_text()
fg_color = self._get_foreground_color()
svg_text = svg_text.replace("#PLACEHOLDER", fg_color)
svg_bytes = svg_text.encode("utf-8")
loader = GdkPixbuf.PixbufLoader.new_with_type("svg")
loader.set_size(AVATAR_SIZE, AVATAR_SIZE)
loader.write(svg_bytes)
loader.close()
pixbuf = loader.get_pixbuf()
if pixbuf:
self._default_avatar_pixbuf = pixbuf
self._avatar_image.set_from_pixbuf(pixbuf)
except (GLib.Error, OSError):
self._avatar_image.set_from_icon_name("avatar-default-symbolic")
def _set_avatar_from_file(self, path: Path, username: str | None = None) -> None:
"""Load an image file and set it as the avatar, scaled to AVATAR_SIZE."""
try:
pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale(
str(path), AVATAR_SIZE, AVATAR_SIZE, True
)
if username:
self._avatar_cache[username] = pixbuf
self._avatar_image.set_from_pixbuf(pixbuf)
except GLib.Error:
self._avatar_image.set_from_icon_name("avatar-default-symbolic")
def _setup_keyboard_navigation(self) -> None:
"""Set up keyboard shortcuts."""
controller = Gtk.EventControllerKey()
controller.connect("key-pressed", self._on_key_pressed)
self.add_controller(controller)
def _on_key_pressed(
self,
controller: Gtk.EventControllerKey,
keyval: int,
keycode: int,
state: Gdk.ModifierType,
) -> bool:
"""Handle global key presses."""
if keyval == Gdk.KEY_Escape:
self._password_entry.set_text("")
self._error_label.set_visible(False)
return True
return False
def _on_user_clicked(self, button: Gtk.Button, user: User) -> None:
"""Handle user selection from the user list."""
self._cancel_pending_session()
self._switch_to_user(user)
def _on_login_activate(self, entry: Gtk.PasswordEntry) -> None:
"""Handle Enter key in the password field — attempt login."""
if not self._selected_user:
return
password = entry.get_text()
session = self._get_selected_session()
if not session:
self._show_error(self._strings.no_session_selected)
return
self._attempt_login(self._selected_user, password, session)
def _validate_greetd_sock(self, sock_path: str) -> bool:
"""Validate that GREETD_SOCK points to an absolute path and a real socket."""
path = Path(sock_path)
if not path.is_absolute():
self._show_error(self._strings.greetd_sock_not_absolute)
return False
try:
mode = path.stat().st_mode
if not stat.S_ISSOCK(mode):
self._show_error(self._strings.greetd_sock_not_socket)
return False
except OSError:
self._show_error(self._strings.greetd_sock_unreachable)
return False
return True
def _close_greetd_sock(self) -> None:
"""Close the greetd socket and reset the reference."""
with self._greetd_sock_lock:
if self._greetd_sock:
try:
self._greetd_sock.close()
except OSError:
pass
self._greetd_sock = None
def _set_login_sensitive(self, sensitive: bool) -> None:
"""Enable or disable login controls during authentication."""
self._password_entry.set_sensitive(sensitive)
self._session_dropdown.set_sensitive(sensitive)
def _attempt_login(self, user: User, password: str, session: Session) -> None:
"""Attempt to authenticate and start a session via greetd IPC."""
sock_path = os.environ.get("GREETD_SOCK")
if not sock_path:
self._show_error(self._strings.greetd_sock_not_set)
return
if not self._validate_greetd_sock(sock_path):
return
# Disable UI while authenticating — the IPC runs in a background thread
self._set_login_sensitive(False)
thread = threading.Thread(
target=self._login_worker,
args=(user, password, session, sock_path),
daemon=True,
)
thread.start()
def _login_worker(self, user: User, password: str, session: Session, sock_path: str) -> None:
"""Run greetd IPC in a background thread to avoid blocking the GTK main loop."""
try:
sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
sock.settimeout(10.0)
sock.connect(sock_path)
with self._greetd_sock_lock:
self._greetd_sock = sock
# Step 1: Create session
response = create_session(sock, user.username)
if response.get("type") == "error":
GLib.idle_add(self._on_login_error, response, self._strings.auth_failed)
return
# Step 2: Send password if auth message received
if response.get("type") == "auth_message":
response = post_auth_response(sock, password)
if response.get("type") == "error":
self._failed_attempts[user.username] = self._failed_attempts.get(user.username, 0) + 1
warning = faillock_warning(self._failed_attempts[user.username], self._strings)
GLib.idle_add(self._on_login_auth_error, response, warning)
return
if response.get("type") == "auth_message":
# Multi-stage auth (e.g. TOTP) is not supported
cancel_session(sock)
GLib.idle_add(self._on_login_error, None, self._strings.multi_stage_unsupported)
return
# Step 3: Start session
if response.get("type") == "success":
cmd = shlex.split(session.exec_cmd)
if not cmd or not shutil.which(cmd[0]):
cancel_session(sock)
GLib.idle_add(self._on_login_error, None, self._strings.invalid_session_command)
return
response = start_session(sock, cmd)
if response.get("type") == "success":
self._save_last_user(user.username)
self._close_greetd_sock()
GLib.idle_add(self.get_application().quit)
return
else:
GLib.idle_add(self._on_login_error, response, self._strings.session_start_failed)
self._close_greetd_sock()
except ConnectionError as e:
logger.error("greetd connection error: %s", e)
self._close_greetd_sock()
GLib.idle_add(self._on_login_error, None, self._strings.connection_error)
except (OSError, ValueError) as e:
logger.error("greetd socket error: %s", e)
self._close_greetd_sock()
GLib.idle_add(self._on_login_error, None, self._strings.socket_error)
def _on_login_error(self, response: dict | None, message: str) -> None:
"""Handle login error on the GTK main thread."""
if response:
self._show_greetd_error(response, message)
else:
self._show_error(message)
self._close_greetd_sock()
self._set_login_sensitive(True)
def _on_login_auth_error(self, response: dict, warning: str | None) -> None:
"""Handle authentication failure with optional faillock warning on the GTK main thread."""
self._show_greetd_error(response, self._strings.wrong_password)
if warning:
current = self._error_label.get_text()
self._error_label.set_text(f"{current}\n{warning}")
self._close_greetd_sock()
self._set_login_sensitive(True)
def _cancel_pending_session(self) -> None:
"""Cancel any in-progress greetd session."""
with self._greetd_sock_lock:
if self._greetd_sock:
try:
cancel_session(self._greetd_sock)
except (ConnectionError, OSError):
pass
self._close_greetd_sock()
def _get_selected_session(self) -> Session | None:
"""Get the currently selected session from the dropdown."""
if not self._sessions:
return None
idx = self._session_dropdown.get_selected()
if idx < len(self._sessions):
return self._sessions[idx]
return None
MAX_GREETD_ERROR_LENGTH = 200
def _show_greetd_error(self, response: dict, fallback: str) -> None:
"""Display an error from greetd, using a fallback for missing or oversized descriptions."""
description = response.get("description", "")
if description and len(description) <= self.MAX_GREETD_ERROR_LENGTH:
self._show_error(description)
else:
self._show_error(fallback)
def _show_error(self, message: str) -> None:
"""Display an error message below the password field."""
self._error_label.set_text(message)
self._error_label.set_visible(True)
self._password_entry.set_text("")
self._password_entry.grab_focus()
def _on_reboot_clicked(self, button: Gtk.Button) -> None:
"""Handle reboot button click."""
try:
reboot()
except subprocess.CalledProcessError:
self._show_error(self._strings.reboot_failed)
def _on_shutdown_clicked(self, button: Gtk.Button) -> None:
"""Handle shutdown button click."""
try:
shutdown()
except subprocess.CalledProcessError:
self._show_error(self._strings.shutdown_failed)
@staticmethod
def _load_last_user() -> str | None:
"""Load the last logged-in username from cache."""
if LAST_USER_PATH.exists():
try:
username = LAST_USER_PATH.read_text().strip()
except OSError:
return None
if len(username) > MAX_USERNAME_LENGTH or not VALID_USERNAME.match(username):
return None
return username
return None
@staticmethod
def _save_last_user(username: str) -> None:
"""Save the last logged-in username to cache."""
try:
LAST_USER_PATH.parent.mkdir(parents=True, exist_ok=True)
LAST_USER_PATH.write_text(username)
except OSError:
pass # Non-critical — cache dir may not be writable

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# ABOUTME: Locale detection and string lookup for the greeter UI.
# ABOUTME: Reads system locale (LANG or /etc/locale.conf) and provides DE or EN strings.
import os
from dataclasses import dataclass
from pathlib import Path
DEFAULT_LOCALE_CONF = Path("/etc/locale.conf")
@dataclass(frozen=True)
class Strings:
"""All user-visible strings for the greeter UI."""
# UI labels
password_placeholder: str
reboot_tooltip: str
shutdown_tooltip: str
# Error messages
no_session_selected: str
greetd_sock_not_set: str
greetd_sock_not_absolute: str
greetd_sock_not_socket: str
greetd_sock_unreachable: str
auth_failed: str
wrong_password: str
multi_stage_unsupported: str
invalid_session_command: str
session_start_failed: str
reboot_failed: str
shutdown_failed: str
# Error messages (continued)
connection_error: str
socket_error: str
# Templates (use .format())
faillock_attempts_remaining: str
faillock_locked: str
_STRINGS_DE = Strings(
password_placeholder="Passwort",
reboot_tooltip="Neustart",
shutdown_tooltip="Herunterfahren",
no_session_selected="Keine Session ausgewählt",
greetd_sock_not_set="GREETD_SOCK nicht gesetzt",
greetd_sock_not_absolute="GREETD_SOCK ist kein absoluter Pfad",
greetd_sock_not_socket="GREETD_SOCK zeigt nicht auf einen Socket",
greetd_sock_unreachable="GREETD_SOCK nicht erreichbar",
auth_failed="Authentifizierung fehlgeschlagen",
wrong_password="Falsches Passwort",
multi_stage_unsupported="Mehrstufige Authentifizierung wird nicht unterstützt",
invalid_session_command="Ungültiger Session-Befehl",
session_start_failed="Session konnte nicht gestartet werden",
reboot_failed="Neustart fehlgeschlagen",
shutdown_failed="Herunterfahren fehlgeschlagen",
connection_error="Verbindungsfehler",
socket_error="Socket-Fehler",
faillock_attempts_remaining="Noch {n} Versuch(e) vor Kontosperrung!",
faillock_locked="Konto ist möglicherweise gesperrt",
)
_STRINGS_EN = Strings(
password_placeholder="Password",
reboot_tooltip="Reboot",
shutdown_tooltip="Shut down",
no_session_selected="No session selected",
greetd_sock_not_set="GREETD_SOCK not set",
greetd_sock_not_absolute="GREETD_SOCK is not an absolute path",
greetd_sock_not_socket="GREETD_SOCK does not point to a socket",
greetd_sock_unreachable="GREETD_SOCK unreachable",
auth_failed="Authentication failed",
wrong_password="Wrong password",
multi_stage_unsupported="Multi-stage authentication is not supported",
invalid_session_command="Invalid session command",
session_start_failed="Failed to start session",
reboot_failed="Reboot failed",
shutdown_failed="Shutdown failed",
connection_error="Connection error",
socket_error="Socket error",
faillock_attempts_remaining="{n} attempt(s) remaining before lockout!",
faillock_locked="Account may be locked",
)
_LOCALE_MAP: dict[str, Strings] = {
"de": _STRINGS_DE,
"en": _STRINGS_EN,
}
def detect_locale(locale_conf_path: Path = DEFAULT_LOCALE_CONF) -> str:
"""Determine the system language from LANG env var or /etc/locale.conf."""
lang = os.environ.get("LANG")
if not lang and locale_conf_path.exists():
for line in locale_conf_path.read_text().splitlines():
if line.startswith("LANG="):
lang = line.split("=", 1)[1].strip()
break
if not lang or lang in ("C", "POSIX"):
return "en"
# Extract language prefix: "de_DE.UTF-8" → "de"
lang = lang.split("_")[0].split(".")[0].lower()
if not lang.isalpha():
return "en"
return lang
def load_strings(locale: str | None = None) -> Strings:
"""Return the string table for the given locale, defaulting to English."""
if locale is None:
locale = detect_locale()
return _LOCALE_MAP.get(locale, _STRINGS_EN)

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# ABOUTME: greetd IPC protocol implementation — communicates via Unix socket.
# ABOUTME: Uses length-prefixed JSON encoding as specified by the greetd IPC protocol.
import json
import struct
from typing import Any
MAX_PAYLOAD_SIZE = 65536
def _recvall(sock: Any, n: int) -> bytes:
"""Receive exactly n bytes from socket, looping on partial reads."""
buf = bytearray()
while len(buf) < n:
chunk = sock.recv(n - len(buf))
if not chunk:
raise ConnectionError("Connection closed while reading data")
buf.extend(chunk)
return bytes(buf)
def send_message(sock: Any, msg: dict) -> None:
"""Send a length-prefixed JSON message to the greetd socket."""
payload = json.dumps(msg).encode("utf-8")
header = struct.pack("!I", len(payload))
sock.sendall(header + payload)
def recv_message(sock: Any) -> dict:
"""Receive a length-prefixed JSON message from the greetd socket."""
header = _recvall(sock, 4)
length = struct.unpack("!I", header)[0]
if length > MAX_PAYLOAD_SIZE:
raise ConnectionError(f"Payload too large: {length} bytes (max {MAX_PAYLOAD_SIZE})")
payload = _recvall(sock, length)
return json.loads(payload.decode("utf-8"))
def create_session(sock: Any, username: str) -> dict:
"""Send a create_session request to greetd and return the response."""
send_message(sock, {"type": "create_session", "username": username})
return recv_message(sock)
def post_auth_response(sock: Any, response: str | None) -> dict:
"""Send an authentication response (e.g. password) to greetd."""
send_message(sock, {"type": "post_auth_message_response", "response": response})
return recv_message(sock)
def start_session(sock: Any, cmd: list[str]) -> dict:
"""Send a start_session request to launch the user's session."""
send_message(sock, {"type": "start_session", "cmd": cmd})
return recv_message(sock)
def cancel_session(sock: Any) -> dict:
"""Cancel the current authentication session."""
send_message(sock, {"type": "cancel_session"})
return recv_message(sock)

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# ABOUTME: Entry point for Moongreet — sets up GTK Application and Layer Shell.
# ABOUTME: Handles multi-monitor setup: login UI on primary, wallpaper on secondary monitors.
import logging
import sys
from importlib.resources import files
import gi
gi.require_version("Gtk", "4.0")
gi.require_version("Gdk", "4.0")
from gi.repository import Gtk, Gdk
from moongreet.config import load_config, resolve_wallpaper_path
from moongreet.greeter import GreeterWindow, WallpaperWindow
# gtk4-layer-shell is optional for development/testing
try:
gi.require_version("Gtk4LayerShell", "1.0")
from gi.repository import Gtk4LayerShell
HAS_LAYER_SHELL = True
except (ValueError, ImportError):
HAS_LAYER_SHELL = False
logger = logging.getLogger(__name__)
class MoongreetApp(Gtk.Application):
"""GTK Application for the Moongreet greeter."""
def __init__(self) -> None:
super().__init__(application_id="dev.moonarch.moongreet")
self._wallpaper_ctx = None
self._secondary_windows: list[WallpaperWindow] = []
def do_activate(self) -> None:
"""Create and present greeter windows on all monitors."""
self._register_icons()
self._load_css()
# Resolve wallpaper once, share across all windows
config = load_config()
bg_path, self._wallpaper_ctx = resolve_wallpaper_path(config)
display = Gdk.Display.get_default()
monitors = display.get_monitors()
primary_monitor = None
# Find primary monitor — fall back to first available
for i in range(monitors.get_n_items()):
monitor = monitors.get_item(i)
if hasattr(monitor, 'is_primary') and monitor.is_primary():
primary_monitor = monitor
break
if primary_monitor is None and monitors.get_n_items() > 0:
primary_monitor = monitors.get_item(0)
# Main greeter window (login UI) on primary monitor
greeter = GreeterWindow(bg_path=bg_path, application=self)
if HAS_LAYER_SHELL:
self._setup_layer_shell(greeter, keyboard=True)
if primary_monitor is not None:
Gtk4LayerShell.set_monitor(greeter, primary_monitor)
greeter.present()
# Wallpaper-only windows on secondary monitors
for i in range(monitors.get_n_items()):
monitor = monitors.get_item(i)
if monitor == primary_monitor:
continue
wallpaper_win = WallpaperWindow(bg_path=bg_path, application=self)
if HAS_LAYER_SHELL:
self._setup_layer_shell(wallpaper_win, keyboard=False)
Gtk4LayerShell.set_monitor(wallpaper_win, monitor)
wallpaper_win.present()
self._secondary_windows.append(wallpaper_win)
def do_shutdown(self) -> None:
"""Clean up wallpaper context manager on exit."""
if self._wallpaper_ctx is not None:
self._wallpaper_ctx.__exit__(None, None, None)
self._wallpaper_ctx = None
Gtk.Application.do_shutdown(self)
def _register_icons(self) -> None:
"""Register custom icons from the package data/icons directory."""
icons_dir = files("moongreet") / "data" / "icons"
icon_theme = Gtk.IconTheme.get_for_display(Gdk.Display.get_default())
icon_theme.add_search_path(str(icons_dir))
def _load_css(self) -> None:
"""Load the CSS stylesheet for the greeter."""
css_provider = Gtk.CssProvider()
css_path = files("moongreet") / "style.css"
css_provider.load_from_path(str(css_path))
Gtk.StyleContext.add_provider_for_display(
Gdk.Display.get_default(),
css_provider,
Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION,
)
def _setup_layer_shell(self, window: Gtk.Window, keyboard: bool = False) -> None:
"""Configure gtk4-layer-shell for fullscreen display."""
Gtk4LayerShell.init_for_window(window)
Gtk4LayerShell.set_layer(window, Gtk4LayerShell.Layer.TOP)
if keyboard:
Gtk4LayerShell.set_keyboard_mode(
window, Gtk4LayerShell.KeyboardMode.EXCLUSIVE
)
# Anchor to all edges for fullscreen
for edge in [
Gtk4LayerShell.Edge.TOP,
Gtk4LayerShell.Edge.BOTTOM,
Gtk4LayerShell.Edge.LEFT,
Gtk4LayerShell.Edge.RIGHT,
]:
Gtk4LayerShell.set_anchor(window, edge, True)
def main() -> None:
"""Run the Moongreet application."""
app = MoongreetApp()
app.run(sys.argv)
if __name__ == "__main__":
main()

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# ABOUTME: Power actions — reboot and shutdown via loginctl.
# ABOUTME: Simple wrappers around system commands for the greeter UI.
import subprocess
POWER_TIMEOUT = 30
def reboot() -> None:
"""Reboot the system via loginctl."""
subprocess.run(["loginctl", "reboot"], check=True, timeout=POWER_TIMEOUT)
def shutdown() -> None:
"""Shut down the system via loginctl."""
subprocess.run(["loginctl", "poweroff"], check=True, timeout=POWER_TIMEOUT)

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# ABOUTME: Session detection — discovers available Wayland and X11 sessions.
# ABOUTME: Parses .desktop files from standard session directories.
import configparser
from collections.abc import Sequence
from dataclasses import dataclass
from pathlib import Path
DEFAULT_WAYLAND_DIRS = (Path("/usr/share/wayland-sessions"),)
DEFAULT_XSESSION_DIRS = (Path("/usr/share/xsessions"),)
@dataclass
class Session:
"""Represents an available login session."""
name: str
exec_cmd: str
session_type: str # "wayland" or "x11"
def _parse_desktop_file(path: Path, session_type: str) -> Session | None:
"""Parse a .desktop file and return a Session, or None if invalid."""
config = configparser.ConfigParser(interpolation=None)
config.read(path)
section = "Desktop Entry"
if not config.has_section(section):
return None
name = config.get(section, "Name", fallback=None)
exec_cmd = config.get(section, "Exec", fallback=None)
if not name or not exec_cmd:
return None
return Session(name=name, exec_cmd=exec_cmd, session_type=session_type)
def get_sessions(
wayland_dirs: Sequence[Path] = DEFAULT_WAYLAND_DIRS,
xsession_dirs: Sequence[Path] = DEFAULT_XSESSION_DIRS,
) -> list[Session]:
"""Discover available sessions from .desktop files."""
sessions: list[Session] = []
for directory in wayland_dirs:
if not directory.exists():
continue
for desktop_file in sorted(directory.glob("*.desktop")):
session = _parse_desktop_file(desktop_file, "wayland")
if session:
sessions.append(session)
for directory in xsession_dirs:
if not directory.exists():
continue
for desktop_file in sorted(directory.glob("*.desktop")):
session = _parse_desktop_file(desktop_file, "x11")
if session:
sessions.append(session)
return sessions

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/* ABOUTME: GTK4 CSS stylesheet for the Moongreet greeter. */
/* ABOUTME: Defines styling for the login screen layout. */
/* Main window background */
window.greeter {
background-color: #1a1a2e;
background-size: cover;
background-position: center;
}
/* Central login area */
.login-box {
padding: 40px;
border-radius: 12px;
background-color: alpha(@theme_bg_color, 0.7);
}
/* Round avatar image — size is set via set_size_request() in code */
.avatar {
border-radius: 50%;
min-width: 128px;
min-height: 128px;
background-color: @theme_selected_bg_color;
border: 3px solid alpha(white, 0.3);
}
/* Username label */
.username-label {
font-size: 24px;
font-weight: bold;
color: white;
margin-top: 12px;
margin-bottom: 40px;
}
/* Session dropdown */
.session-dropdown {
min-width: 280px;
}
/* Password entry field */
.password-entry {
min-width: 280px;
}
/* Error message label */
.error-label {
color: #ff6b6b;
font-size: 14px;
}
/* User list on the bottom left */
.user-list {
background-color: transparent;
padding: 8px;
}
.user-list-item {
padding: 8px 16px;
border-radius: 8px;
color: white;
font-size: 14px;
}
.user-list-item:hover {
background-color: alpha(white, 0.15);
}
.user-list-item:selected {
background-color: alpha(white, 0.2);
}
/* Power buttons on the bottom right */
.power-button {
min-width: 48px;
min-height: 48px;
padding: 0px;
border-radius: 24px;
background-color: alpha(white, 0.1);
color: white;
border: none;
margin: 4px;
}
.power-button:hover {
background-color: alpha(white, 0.25);
}

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# ABOUTME: User detection — parses /etc/passwd for login users, finds avatars and GTK themes.
# ABOUTME: Provides User dataclass and helper functions for the greeter UI.
import configparser
import re
from dataclasses import dataclass
from pathlib import Path
VALID_THEME_NAME = re.compile(r"^[A-Za-z0-9_-]+$")
NOLOGIN_SHELLS = {"/usr/sbin/nologin", "/sbin/nologin", "/bin/false", "/usr/bin/nologin"}
MIN_UID = 1000
MAX_UID = 65533
DEFAULT_PASSWD = Path("/etc/passwd")
DEFAULT_ACCOUNTSSERVICE_DIR = Path("/var/lib/AccountsService/icons")
@dataclass
class User:
"""Represents a system user suitable for login."""
username: str
uid: int
gecos: str
home: Path
shell: str
@property
def display_name(self) -> str:
"""Return gecos if available, otherwise username."""
return self.gecos if self.gecos else self.username
def get_users(passwd_path: Path = DEFAULT_PASSWD) -> list[User]:
"""Parse /etc/passwd and return users with UID in the login range."""
users: list[User] = []
if not passwd_path.exists():
return users
for line in passwd_path.read_text().splitlines():
parts = line.split(":")
if len(parts) < 7:
continue
username, _, uid_str, _, gecos, home, shell = parts[0], parts[1], parts[2], parts[3], parts[4], parts[5], parts[6]
try:
uid = int(uid_str)
except ValueError:
continue
if uid < MIN_UID or uid > MAX_UID:
continue
if shell in NOLOGIN_SHELLS:
continue
if "/" in username or username.startswith("."):
continue
users.append(User(
username=username,
uid=uid,
gecos=gecos,
home=Path(home),
shell=shell,
))
return users
def get_avatar_path(
username: str,
accountsservice_dir: Path = DEFAULT_ACCOUNTSSERVICE_DIR,
home_dir: Path | None = None,
) -> Path | None:
"""Find avatar for a user: AccountsService icon → ~/.face → None."""
# AccountsService icon
icon = accountsservice_dir / username
if icon.exists() and not icon.is_symlink():
return icon
# ~/.face fallback
if home_dir is not None:
face = home_dir / ".face"
if face.exists() and not face.is_symlink():
return face
return None
def get_user_gtk_theme(config_dir: Path | None = None) -> str | None:
"""Read the GTK theme name from a user's gtk-4.0/settings.ini."""
if config_dir is None:
return None
settings_file = config_dir / "settings.ini"
if not settings_file.exists():
return None
config = configparser.ConfigParser(interpolation=None)
try:
config.read(settings_file)
except configparser.Error:
return None
if config.has_option("Settings", "gtk-theme-name"):
theme = config.get("Settings", "gtk-theme-name")
# Validate against path traversal — only allow safe theme names
if theme and VALID_THEME_NAME.match(theme):
return theme
return None

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pkg/src/greetd-moongreet Submodule

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Subproject commit 99c016adbc27e6455463b47fc6e6b3d2eb157def