$ git clone -n https://src.fedoraproject.org/rpms/libisofs.git /var/lib/mock/f40-build-784805-133588/root/chroot_tmpdir/scmroot/libisofs
Cloning into '/var/lib/mock/f40-build-784805-133588/root/chroot_tmpdir/scmroot/libisofs'...
$ git fetch origin a5bfc8a43276268fdc79f747e63ecb50dec31685:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libisofs
 * [new ref]         a5bfc8a43276268fdc79f747e63ecb50dec31685 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5bfc8a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild