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packages: convert to self-contained flake-parts modules

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Each package file now exports its own perSystem.packages.<name> definition
instead of being called from a centralized packages.nix file.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
William 2026-02-07 07:54:49 -03:00
parent 1b7ea7e59b
commit 829fde6a3a
6 changed files with 459 additions and 445 deletions
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176
packages/hm-cli.nix
View file

@ -1,105 +1,109 @@
{ ... }:
{
pkgs ? import <nixpkgs> { },
}:
perSystem =
{ pkgs, ... }:
{
packages.hm-cli = pkgs.writeShellScriptBin "hm" ''
set -e
pkgs.writeShellScriptBin "hm" ''
set -e
HM="${pkgs.lib.getExe pkgs.home-manager}"
FLAKE_PATH="''${HM_PATH:-$HOME/.config/home-manager}"
FLAKE_OUTPUT="''${HM_USER:-$(whoami)@$(hostname)}"
HM="${pkgs.lib.getExe pkgs.home-manager}"
FLAKE_PATH="''${HM_PATH:-$HOME/.config/home-manager}"
FLAKE_OUTPUT="''${HM_USER:-$(whoami)@$(hostname)}"
show_usage() {
cat <<EOF
Usage: hm <command> [args]
show_usage() {
cat <<EOF
Usage: hm <command> [args]
Commands:
apply Switch to a new generation
generation list List all generations
generation delete ID... Delete specified generation(s)
generation rollback Rollback to the previous generation
generation switch ID Switch to the specified generation
generation cleanup Delete all but the current generation
Commands:
apply Switch to a new generation
generation list List all generations
generation delete ID... Delete specified generation(s)
generation rollback Rollback to the previous generation
generation switch ID Switch to the specified generation
generation cleanup Delete all but the current generation
Environment Variables:
HM_PATH Override default flake path (~/.config/home-manager)
Currently set to "''${HM_PATH:-<not set>}"
HM_USER Override default user output ("$(whoami)@$(hostname)")
Currently set to "''${HM_USER:-<not set>}"
EOF
}
Environment Variables:
HM_PATH Override default flake path (~/.config/home-manager)
Currently set to "''${HM_PATH:-<not set>}"
HM_USER Override default user output ("$(whoami)@$(hostname)")
Currently set to "''${HM_USER:-<not set>}"
EOF
}
if [[ $# -eq 0 ]]; then
show_usage
exit 1
fi
case "$1" in
apply)
"$HM" switch --flake "$FLAKE_PATH#$FLAKE_OUTPUT" -b bkp
;;
generation)
if [[ $# -lt 2 ]]; then
echo "Error: generation command requires a subcommand"
if [[ $# -eq 0 ]]; then
show_usage
exit 1
fi
case "$2" in
list)
"$HM" generations
case "$1" in
apply)
"$HM" switch --flake "$FLAKE_PATH#$FLAKE_OUTPUT" -b bkp
;;
delete)
if [[ $# -lt 3 ]]; then
echo "Error: delete requires at least one generation ID"
generation)
if [[ $# -lt 2 ]]; then
echo "Error: generation command requires a subcommand"
show_usage
exit 1
fi
shift 2
"$HM" remove-generations "$@"
;;
rollback)
PREV_GEN=$("$HM" generations | \
sed -n 's/^[[:space:]]*id \([0-9]\+\).*/\1/p' | \
head -n 2 | tail -n 1)
if [[ -z "$PREV_GEN" ]]; then
echo "Error: could not determine previous generation (possibly only one generation exists)"
exit 1
fi
"$HM" switch --flake "$FLAKE_PATH" --switch-generation "$PREV_GEN" -b bkp
;;
switch)
if [[ $# -ne 3 ]]; then
echo "Error: switch requires exactly one generation ID"
exit 1
fi
"$HM" switch --flake "$FLAKE_PATH" --switch-generation "$3" -b bkp
;;
cleanup)
CURRENT_GEN=$("$HM" generations | sed -n 's/^.*id \([0-9]\+\) .* (current)$/\1/p')
if [[ -z "$CURRENT_GEN" ]]; then
echo "Error: could not determine current generation"
exit 1
fi
OLD_GENS=$("$HM" generations | sed -n 's/^.*id \([0-9]\+\) .*/\1/p' | grep -v "^$CURRENT_GEN$")
if [[ -z "$OLD_GENS" ]]; then
echo "No old generations to delete"
else
echo "Deleting generations: $(echo $OLD_GENS | tr '\n' ' ')"
echo "$OLD_GENS" | xargs "$HM" remove-generations
echo "Cleanup complete. Current generation $CURRENT_GEN preserved."
fi
case "$2" in
list)
"$HM" generations
;;
delete)
if [[ $# -lt 3 ]]; then
echo "Error: delete requires at least one generation ID"
exit 1
fi
shift 2
"$HM" remove-generations "$@"
;;
rollback)
PREV_GEN=$("$HM" generations | \
sed -n 's/^[[:space:]]*id \([0-9]\+\).*/\1/p' | \
head -n 2 | tail -n 1)
if [[ -z "$PREV_GEN" ]]; then
echo "Error: could not determine previous generation (possibly only one generation exists)"
exit 1
fi
"$HM" switch --flake "$FLAKE_PATH" --switch-generation "$PREV_GEN" -b bkp
;;
switch)
if [[ $# -ne 3 ]]; then
echo "Error: switch requires exactly one generation ID"
exit 1
fi
"$HM" switch --flake "$FLAKE_PATH" --switch-generation "$3" -b bkp
;;
cleanup)
CURRENT_GEN=$("$HM" generations | sed -n 's/^.*id \([0-9]\+\) .* (current)$/\1/p')
if [[ -z "$CURRENT_GEN" ]]; then
echo "Error: could not determine current generation"
exit 1
fi
OLD_GENS=$("$HM" generations | sed -n 's/^.*id \([0-9]\+\) .*/\1/p' | grep -v "^$CURRENT_GEN$")
if [[ -z "$OLD_GENS" ]]; then
echo "No old generations to delete"
else
echo "Deleting generations: $(echo $OLD_GENS | tr '\n' ' ')"
echo "$OLD_GENS" | xargs "$HM" remove-generations
echo "Cleanup complete. Current generation $CURRENT_GEN preserved."
fi
;;
*)
echo "Error: unknown generation subcommand '$2'"
show_usage
exit 1
;;
esac
;;
*)
echo "Error: unknown generation subcommand '$2'"
echo "Error: unknown command '$1'"
show_usage
exit 1
;;
esac
;;
*)
echo "Error: unknown command '$1'"
show_usage
exit 1
;;
esac
''
'';
};
}