$ git clone -n https://src.fedoraproject.org/rpms/cachelib.git /var/lib/mock/f38-build-side-42-init-devel-1138086-30392/root/chroot_tmpdir/scmroot/cachelib
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1138086-30392/root/chroot_tmpdir/scmroot/cachelib'...
$ git fetch origin cddbcc1224e6d0b45ab0af641e894cdbadf90ca9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cachelib
 * [new ref]         cddbcc1224e6d0b45ab0af641e894cdbadf90ca9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cddbcc1 Update to 17^2023.07.03.00