feat(arch-nspawn): add support for pacman CacheServer

pacman 6.1 added support for CacheServer which allows us to download
packages faster and reduce the burden on tier0 server.

They won't be used to fetch databases so it should be pretty safe in the
repository consistency context.

Component: arch-nspawn

1 files changed, 3 insertions, 0 deletions

diff --git a/src/arch-nspawn.in b/src/arch-nspawn.in
index 2318813..a4504a1 100644
--- a/src/arch-nspawn.in
+++ b/src/arch-nspawn.in
@@ -72,6 +72,7 @@ fi
 
 # shellcheck disable=2016
 host_mirrors=($(pacman-conf --repo extra Server 2> /dev/null | sed -r 's#(.*/)extra/os/.*#\1$repo/os/$arch#'))
+host_cachemirrors=($(pacman-conf --repo extra CacheServer 2> /dev/null | sed -r 's#(.*/)extra/os/.*#\1$repo/os/$arch#'))
 
 for host_mirror in "${host_mirrors[@]}"; do
 	if [[ $host_mirror == *file://* ]]; then
@@ -106,6 +107,8 @@ copy_hostconf () {
 
 	printf 'Server = %s\n' "${host_mirrors[@]}" >"$working_dir/etc/pacman.d/mirrorlist"
 
+	[[ -n $host_cachemirrors ]] && printf 'CacheServer = %s\n' "${host_cachemirrors[@]}" >>"$working_dir/etc/pacman.d/mirrorlist"
+
 	[[ -n $pac_conf ]] && cp "$pac_conf" "$working_dir/etc/pacman.conf"
 	[[ -n $makepkg_conf ]] && cp "$makepkg_conf" "$working_dir/etc/makepkg.conf"