$ git clone -n https://src.fedoraproject.org/rpms/libfaketime.git /var/lib/mock/f39-build-1689087-41123/root/chroot_tmpdir/scmroot/libfaketime
Cloning into '/var/lib/mock/f39-build-1689087-41123/root/chroot_tmpdir/scmroot/libfaketime'...
$ git fetch origin b87f385b10961142f36f632561efcc5f086638fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libfaketime
 * [new ref]         b87f385b10961142f36f632561efcc5f086638fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b87f385 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild