$ git clone -n https://src.fedoraproject.org/rpms/jakarta-annotations.git /var/lib/mock/f41-build-1219722-22741/root/chroot_tmpdir/scmroot/jakarta-annotations
Cloning into '/var/lib/mock/f41-build-1219722-22741/root/chroot_tmpdir/scmroot/jakarta-annotations'...
$ git fetch origin dac19cba7fcb473f9296d6f6fb7eefde80fb7104:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jakarta-annotations
 * [new ref]         dac19cba7fcb473f9296d6f6fb7eefde80fb7104 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dac19cb Rebuilt for java-21-openjdk as system jdk