scripts/getver.sh: silence rev-list errors

Shallow copies are quite common on CI platforms nowadays, making REBOOT
tag unavailable, thus producing following confusing errors in the build
logs:

 fatal: Invalid revision range ee53a240ac902dc83209008a2671e7fdcf55957a..HEAD
 fatal: Invalid revision range ee53a240ac902dc83209008a2671e7fdcf55957a..0493d57e04774d47921a7d2014b567455d5dc16b

Signed-off-by: Petr Štetiar <ynezz@true.cz>

diff --git a/scripts/getver.sh b/scripts/getver.sh
index 9175f411db8345ab420fdb1edcaf0d20f858f12f..49260a22603fb0f3811203216870fb67794799da 100755 (executable)
--- a/scripts/getver.sh
+++ b/scripts/getver.sh
@@ -20,18 +20,18 @@ try_git() {
        case "$GET_REV" in
        r*)
                GET_REV="$(echo $GET_REV | tr -d 'r')"
-               BASE_REV="$(git rev-list ${REBOOT}..HEAD | wc -l | awk '{print $1}')"
+               BASE_REV="$(git rev-list ${REBOOT}..HEAD 2>/dev/null | wc -l | awk '{print $1}')"
                REV="$(git rev-parse HEAD~$((BASE_REV - GET_REV)))"
                ;;
        *)
                BRANCH="$(git rev-parse --abbrev-ref HEAD)"
                ORIGIN="$(git rev-parse --verify --symbolic-full-name ${BRANCH}@{u} 2>/dev/null)"
                [ -n "$ORIGIN" ] || ORIGIN="$(git rev-parse --verify --symbolic-full-name master@{u} 2>/dev/null)"
-               REV="$(git rev-list ${REBOOT}..$GET_REV | wc -l | awk '{print $1}')"
+               REV="$(git rev-list ${REBOOT}..$GET_REV 2>/dev/null | wc -l | awk '{print $1}')"
 
                if [ -n "$ORIGIN" ]; then
                        UPSTREAM_BASE="$(git merge-base $GET_REV $ORIGIN)"
-                       UPSTREAM_REV="$(git rev-list ${REBOOT}..$UPSTREAM_BASE | wc -l | awk '{print $1}')"
+                       UPSTREAM_REV="$(git rev-list ${REBOOT}..$UPSTREAM_BASE 2>/dev/null | wc -l | awk '{print $1}')"
                else
                        UPSTREAM_REV=0
                fi