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arch-nspawn: simplify cachedir/host_mirror parsing 

consolidate logic flows in the same area for parsing and building
arrays. Don't bother having a special function just to build the
mount_args array, since we now use the same handling for adding any
cachedir (including host mirrors) to the mount arguments, this becomes a
trivial for loop -- and it really did not need to be delayed until after
the sanity check, anyway.

Signed-off-by: Eli Schwartz <eschwartz@archlinux.org>
Signed-off-by: Levente Polyak <anthraxx@archlinux.org>
This commit is contained in:
Eli Schwartz 2019-10-02 10:49:32 -04:00 committed by Levente Polyak
parent 0067176529
commit f43a86ee8a
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GPG Key ID: FC1B547C8D8172C8
1 changed files with 14 additions and 24 deletions
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38
arch-nspawn.in
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@ -20,6 +20,7 @@ umask 0022
working_dir=''
files=()
mount_args=()
usage() {
echo "Usage: ${0##*/} [options] working-dir [systemd-nspawn arguments]"
@ -65,6 +66,13 @@ fi
# shellcheck disable=2016
host_mirrors=($($pacconf_cmd --repo extra Server 2> /dev/null | sed -r 's#(.*/)extra/os/.*#\1$repo/os/$arch#'))
for host_mirror in "${host_mirrors[@]}"; do
if [[ $host_mirror == *file://* ]]; then
host_mirror=$(echo "$host_mirror" | sed -r 's#file://(/.*)/\$repo/os/\$arch#\1#g')
in_array "$host_mirror" "${cache_dirs[@]}" || cache_dirs+=("$host_mirror")
fi
done
while read -r line; do
mapfile -t lines < <($pacconf_cmd --config "${pac_conf:-$working_dir/etc/pacman.conf}" \
--repo $line Server | sed -r 's#(.*/)[^/]+/os/.+#\1$repo/os/$arch#')
@ -78,35 +86,18 @@ while read -r line; do
fi
done < <($pacconf_cmd --config "${pac_conf:-$working_dir/etc/pacman.conf}" --repo-list)
mount_args+=("--bind=${cache_dirs[0]//:/\\:}")
for cache_dir in "${cache_dirs[@]:1}"; do
mount_args+=("--bind-ro=${cache_dir//:/\\:}")
done
# {{{ functions
build_mount_args() {
declare -g mount_args=()
for host_mirror in "${host_mirrors[@]}"; do
if [[ $host_mirror == *file://* ]]; then
host_mirror_path=$(echo "$host_mirror" | sed -r 's#file://(/.*)/\$repo/os/\$arch#\1#g')
mount_args+=("--bind-ro=${host_mirror_path//:/\\:}")
fi
done
mount_args+=("--bind=${cache_dirs[0]//:/\\:}")
for cache_dir in "${cache_dirs[@]:1}"; do
mount_args+=("--bind-ro=${cache_dir//:/\\:}")
done
}
copy_hostconf () {
unshare --fork --pid gpg --homedir "$working_dir"/etc/pacman.d/gnupg/ --no-permission-warning --quiet --batch --import --import-options import-local-sigs "$(pacman-conf GpgDir)"/pubring.gpg >/dev/null 2>&1
pacman-key --gpgdir "$working_dir"/etc/pacman.d/gnupg/ --import-trustdb "$(pacman-conf GpgDir)" >/dev/null 2>&1
printf 'Server = %s\n' "${host_mirrors[@]}" >"$working_dir/etc/pacman.d/mirrorlist"
for host_mirror in "${host_mirrors[@]}"; do
if [[ $host_mirror == *file://* ]]; then
host_mirror=$(echo "$host_mirror" | sed -r 's#file://(/.*)/\$repo/os/\$arch#\1#g')
in_array "$host_mirror" "${cache_dirs[@]}" || cache_dirs+=("$host_mirror")
fi
done
[[ -n $pac_conf ]] && cp "$pac_conf" "$working_dir/etc/pacman.conf"
[[ -n $makepkg_conf ]] && cp "$makepkg_conf" "$working_dir/etc/makepkg.conf"
@ -130,7 +121,6 @@ elif [[ $(cat "$working_dir/.arch-chroot") != "$CHROOT_VERSION" ]]; then
die "chroot '%s' is not at version %s. Please rebuild." "$working_dir" "$CHROOT_VERSION"
fi
build_mount_args
copy_hostconf
eval "$(grep -a '^CARCH=' "$working_dir/etc/makepkg.conf")"