mirror of
https://github.com/xHyroM/void-packages.git
synced 2024-11-14 18:58:06 +01:00
113 lines
2.2 KiB
Bash
Executable file
113 lines
2.2 KiB
Bash
Executable file
#!/bin/sh
|
|
|
|
# when $3 is empty, template is read from working directory
|
|
template="$1" base_rev="$2" tip_rev="$3"
|
|
status=0
|
|
|
|
die() {
|
|
printf '%s\n' "$*" >&2
|
|
exit 1
|
|
}
|
|
|
|
if ! [ "$base_rev" ]; then
|
|
die "usage: $0 TEMPLATE BASE-REVISION [TIP-REVISION]"
|
|
fi
|
|
|
|
if ! command -v git >/dev/null 2>&1; then
|
|
die "neither chroot-git nor git could be found"
|
|
fi
|
|
|
|
scan() {
|
|
rx="$1" msg="$2"
|
|
template_path=$template
|
|
maybe_git=
|
|
if [ "$tip_rev" ]; then
|
|
template_path="${tip_rev}:${template}"
|
|
maybe_git="git"
|
|
revspec="[^:]*:"
|
|
fi
|
|
$maybe_git grep -P -Hn -e "$rx" "$template_path" |
|
|
grep -v -P -e "[^:]*:[^:]*:\s*#" |
|
|
sed "s/^${revspec}\([^:]*:[^:]*:\)\(.*\)/\1 $msg/"
|
|
}
|
|
|
|
show_template() {
|
|
rev="$1"
|
|
if [ "$rev" ]; then
|
|
git cat-file blob "${rev}:${template}" 2>/dev/null
|
|
else
|
|
cat "${template}" 2>/dev/null
|
|
fi
|
|
}
|
|
|
|
show_template_var() {
|
|
rev="$1" var="$2"
|
|
(
|
|
show_template "$rev"
|
|
printf '%s\n' "printf '%s\\n' \"\$${var}\""
|
|
) | bash 2>/dev/null
|
|
}
|
|
|
|
revision_reset() {
|
|
[ "${revision}" = 1 ] && return
|
|
if [ "$prev_version" ]; then
|
|
case "$prev_reverts" in
|
|
*"$version"_*) return
|
|
esac
|
|
action=update
|
|
else
|
|
action=creation
|
|
fi
|
|
scan "^revision=" "revision should be set to 1 on ${action}"
|
|
status=1
|
|
}
|
|
|
|
reverts_on_downgrade() {
|
|
[ "$version" ] || return
|
|
case "$reverts" in
|
|
*"$prev_version"_*) ;;
|
|
*)
|
|
scan "^version=" "missing reverts= for downgrade $prev_version to $version"
|
|
status=1
|
|
esac
|
|
}
|
|
|
|
check_revert() {
|
|
for vr in $reverts; do
|
|
xbps-uhelper cmpver "${version}" "${vr%_*}"
|
|
case "$?" in
|
|
0 | 1)
|
|
scan '^version=' "remove $vr from \$reverts"
|
|
status=1
|
|
;;
|
|
esac
|
|
done
|
|
for vr in $prev_reverts; do
|
|
if ! xbps-uhelper cmpver "$version" "${vr%_*}"; then
|
|
continue
|
|
fi
|
|
if [ $revision -gt "${vr##*_}" ]; then
|
|
continue
|
|
fi
|
|
scan '^revision=' "undo a revert with same revision as before"
|
|
status=1
|
|
done
|
|
}
|
|
|
|
version_change() {
|
|
version="$(show_template_var "$tip_rev" version)"
|
|
revision="$(show_template_var "$tip_rev" revision)"
|
|
reverts="$(show_template_var "$tip_rev" reverts)"
|
|
prev_version="$(show_template_var "$base_rev" version)"
|
|
prev_reverts="$(show_template_var "$base_rev" reverts)"
|
|
xbps-uhelper cmpver "$version" "$prev_version"
|
|
case "$?" in
|
|
1) revision_reset;;
|
|
-1|255) reverts_on_downgrade;;
|
|
esac
|
|
check_revert
|
|
}
|
|
|
|
version_change
|
|
|
|
exit $status
|