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omarchy/bin/omarchy-apply-pacman
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Kros DaiandClaude Opus 5.5 545190596d ♻️ refactor(pacman): branch on render with if/else
- ♻️ follow the repo style instead of exiting early to skip the install block

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01QuATgjU4mnqpqSLAKMQ14g
2026-10-08 15:31:04 -04:00

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#!/bin/bash
# omarchy:summary=Restore channel and regional pacman defaults in an installed target
# omarchy:args=<stable|rc|edge> [target-root] | --render <stable|rc|edge> <output-dir> [target-root]
# omarchy:requires-sudo=true
# omarchy:hidden=true
set -euo pipefail
usage() {
echo "Usage: omarchy-apply-pacman <stable|rc|edge> [target-root]" >&2
echo " omarchy-apply-pacman --render <stable|rc|edge> <output-dir> [target-root]" >&2
exit 1
}
# --render only builds the two files, so an unprivileged caller can hand root
# nothing but plain copies of the finished result.
render_dir=""
if [[ ${1:-} == "--render" ]]; then
(( $# == 3 || $# == 4 )) || usage
channel="$2"
render_dir="$3"
[[ -d $render_dir ]] || { echo "Render directory not found: $render_dir" >&2; exit 1; }
etc="${4:-/}/etc"
else
(( $# >= 1 && $# <= 2 )) || usage
channel="$1"
etc="${2:-/}/etc"
fi
case "$channel" in
stable|rc|edge) ;;
*) echo "Invalid pacman channel: $channel" >&2; exit 1 ;;
esac
# The ISO writes this plain-text marker before target finalization. Missing
# markers keep existing installations global; never source it as shell code.
region=global
if [[ -e $etc/omarchy/region ]]; then
region=$(<"$etc/omarchy/region")
fi
case "$region" in
global|cn) ;;
*) echo "Unsupported region: $region (expected global or cn)" >&2; exit 1 ;;
esac
# Build both files before replacing either. Explicit refreshes retain backups;
# ordinary updates do not call this command or enforce regional defaults.
if [[ -n $render_dir ]]; then
staging="$render_dir"
else
staging=$(mktemp -d)
trap 'rm -rf "$staging"' EXIT
fi
cp "$OMARCHY_PATH/default/pacman/pacman-$channel.conf" "$staging/pacman.conf"
if [[ $region == "global" ]]; then
cp "$OMARCHY_PATH/default/pacman/mirrorlist-$channel" "$staging/mirrorlist"
else
profile="$OMARCHY_PATH/default/regions/$region/pacman"
printf '\n' >> "$staging/pacman.conf"
cat "$profile/pacman.conf.append" >> "$staging/pacman.conf"
# pacman tries servers in order, so the regional mirror leads and the
# channel's own mirror stays as the fallback.
cat "$profile/mirrorlist-$channel.prepend" "$OMARCHY_PATH/default/pacman/mirrorlist-$channel" > "$staging/mirrorlist"
fi
if [[ -z $render_dir ]]; then
mkdir -p "$etc/pacman.d"
for file in pacman.conf pacman.d/mirrorlist; do
if [[ -e $etc/$file ]]; then
cp -f "$etc/$file" "$etc/$file.bak"
fi
done
# Copying over an existing file keeps its owner and mode, as refresh always has.
cp -f "$staging/pacman.conf" "$etc/pacman.conf"
cp -f "$staging/mirrorlist" "$etc/pacman.d/mirrorlist"
fi