$ git clone -n https://src.fedoraproject.org/rpms/librepo.git /var/lib/mock/f41-build-814237-148929/root/chroot_tmpdir/scmroot/librepo
Cloning into '/var/lib/mock/f41-build-814237-148929/root/chroot_tmpdir/scmroot/librepo'...
$ git fetch origin 460f00d91e9054eb7df375faf040e961ac91f6b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/librepo
 * [new ref]         460f00d91e9054eb7df375faf040e961ac91f6b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 460f00d Handle PGP keys with librpm on RHEL ≥ 10