$ git clone -n https://src.fedoraproject.org/rpms/jackson-annotations.git /var/lib/mock/f40-build-2621971-64819/root/chroot_tmpdir/scmroot/jackson-annotations
Cloning into '/var/lib/mock/f40-build-2621971-64819/root/chroot_tmpdir/scmroot/jackson-annotations'...
$ git fetch origin cc6ce4ad764743c1adf9c99a5cc20b3ead5de350:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jackson-annotations
 * [new ref]         cc6ce4ad764743c1adf9c99a5cc20b3ead5de350 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc6ce4a Rebuilt for java-21-openjdk as system jdk