tools/git-tp-sync: add --dry-run and --help

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/tools/git-tp-sync b/tools/git-tp-sync
index 20e4b6d5012c2afeec128ff4385260bb342d4cf0..1a3764c354420c2b8aeb7307c34c9ff1ce08cb42 100755 (executable)
--- a/tools/git-tp-sync
+++ b/tools/git-tp-sync
@@ -21,19 +21,26 @@
 #
 
 PROJECT="util-linux"
-if [ -n "$1" ]; then
-       while (( "$#" )); do
-               if [ -n "$1" ]; then
-                       rsync  -Lrtvz  rsync://translationproject.org/tp/latest/$PROJECT/$1.po po
-               fi
-               shift
-       done
-else
-       rsync  -Lrtvz  rsync://translationproject.org/tp/latest/$PROJECT/ po
-fi
 
-PO_NEW=$(git ls-files -o -x '*~' po/ | gawk '/po\/[[:alpha:]_\-]*\.po/ { sub("po/", ""); print $0; }' | sort)
-PO_MOD=$(git ls-files -m po/ | gawk '/po\/[[:alpha:]_\-]*\.po/ { sub("po/", ""); print $0; }' | sort)
+DRYRUN="false"
+LANGS=()
+
+while [[ $# -gt 0 ]]; do
+       case $1 in
+       --dry-run)
+               DRYRUN="true"
+               shift
+               ;;
+       --usage | --help)
+               echo "$(basename "$0") [--dry-run] [<lang>, ...]"
+               exit 0
+               ;;
+       *)
+               LANGS+=("$1")
+               shift;
+               ;;
+       esac
+done
 
 function get_author {
        echo $(gawk 'BEGIN { FS=": " } /Last-Translator/ { sub("\\\\n\"", ""); print $2 }' "$1")
@@ -66,10 +73,28 @@ function try_lang {
        old_rev=$(get_revision_orig "$POFILE")
 
        if [ $new_rev -gt $old_rev ]; then
-               do_commit $POFILE "po: update $POLANG (from translationproject.org)"
+               if [ "$DRYRUN" = "true" ]; then
+                       echo "po: update $POLANG (ingore, dry run)"
+               else
+                       do_commit $POFILE "po: update $POLANG (from translationproject.org)"
+               fi
        fi
 }
 
+#
+# Download
+#
+if [ ${#LANGS[@]} -eq 0 ]; then
+       rsync  -Lrtvz  rsync://translationproject.org/tp/latest/$PROJECT/ po
+else
+       for l in "${LANGS[@]}"; do
+               rsync  -Lrtvz  rsync://translationproject.org/tp/latest/$PROJECT/$l.po po
+       done
+fi
+
+PO_NEW=$(git ls-files -o -x '*~' po/ | gawk '/po\/[[:alpha:]_\-]*\.po/ { sub("po/", ""); print $0; }' | sort)
+PO_MOD=$(git ls-files -m po/ | gawk '/po\/[[:alpha:]_\-]*\.po/ { sub("po/", ""); print $0; }' | sort)
+
 for f in $PO_MOD; do
        try_lang $f
 done