apkg-reposync: check if the user cannot write to the repos.

1 files changed, 11 insertions, 2 deletions

diff --git a/apkg-reposync b/apkg-reposync
index e1e14e3..6b275c1 100755
--- a/apkg-reposync
+++ b/apkg-reposync
@@ -2,6 +2,7 @@
 
 APKG_CONF="${APKG_CONF:-/etc/apkg.conf}"
 temp_repos_file=$(mktemp)
+write_permission=0
 
 die() {
 	[ "$1" ] && echo "error: $1"
@@ -20,6 +21,11 @@ find_current_branch() {
 	current_branch=$(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..."
 
@@ -27,9 +33,11 @@ source_and_sanity_checks() {
 
 [ -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"; done
+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"
 }
 
@@ -58,6 +66,7 @@ sync_or_skip() {
 		fi
 	done
 }
+
 source_and_sanity_checks
 sync_official
 sync_or_skip