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#!/bin/sh
APKG_CONF="${APKG_CONF:-/etc/apkg.conf}"
temp_repos_file=$(mktemp)
write_permission=0
die() {
[ "$1" ] && echo "error: $1"
rm -f "$temp_repos_file"
exit 1
}
find_default_remote() {
cd "${1}" || die "cannot cd to <${1}> the repo"
default_remote=$(git branch --list "$(git branch --show-current)" \
"--format=%(upstream:remotename)")
}
find_current_branch() {
cd "${1}" || die "cannot cd to the <${1}> repo"
current_branch=$(git remote show "${default_remote}" | sed -n '/HEAD branch/s/.*: //p')
}
check_write_permissions() {
random_file=$(find "${1}" -type f -print0 | shuf -z -n 1)
test -w "$random_file" || write_permission=$((write_permission+1))
}
source_and_sanity_checks() {
[ ! -e "$(realpath "${APKG_CONF}")" ] && die "There is no configuration file in ${APKG_CONF}! Exiting..."
. "${APKG_CONF}"
[ -z "${APKG_REPO}" ] && die "There are no repos configured in $APKG_CONF, exiting..."
for r in ${APKG_REPO}; do
printf "%s\n" "$r" >> "$temp_repos_file"
check_write_permissions "$r"; done
[ "$write_permission" = 0 ] || die "You need to execute the script as root!"
printf "%s\n" "Configured repos:" && awk ' {print $0} ' "$temp_repos_file"
grep -q "alicelinux/repos/core" "$temp_repos_file" || die "No official repos configured in $APKG_CONF"
}
sync_official() {
# This assumes the current repo structure.
dir_for_official_repo=$(grep alicelinux/repos/core "$temp_repos_file")
[ -d "$dir_for_official_repo" ] || die "No $dir_for_official_repo exists, exiting..."
dir_for_official_repo=$(echo "$dir_for_official_repo" | sed "s/repos\/core//")
printf "%s\n" "[~> Syncing official repos in <$dir_for_official_repo> ...]"
find_default_remote "$dir_for_official_repo"
find_current_branch "$dir_for_official_repo"
git pull "$default_remote" "$current_branch" || die "Cannot pull from $default_remote/$current_branch for the ofixial repos"
[ "$?" = 0 ] && printf "%s\n" "[~> Successfully synced the <official> repo!]"
}
sync_or_skip() {
# Remove all official repo lines from the temp_repos_file
unofficial_repos=$(grep -v alicelinux/repos "$temp_repos_file" | tr "\n" " ")
for r in $unofficial_repos; do
if [ -d "$r"/.git ]; then
find_default_remote "$r"
find_current_branch "$r"
git pull "$default_remote" "$current_branch" || die "Cannot pull from $default_remote/$current_branch"
else
printf "%s\n" "[~>Repo in <$r> is not a git repo, skipping...]"
fi
done
}
source_and_sanity_checks
sync_official
sync_or_skip
[ "$?" = 0 ] && echo "[~> Repo(s) succesfully synced!]" && rm -f "temp_repos_file"
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