$ git clone -n https://src.fedoraproject.org/rpms/imv.git /var/lib/mock/f39-build-1495850-34545/root/chroot_tmpdir/scmroot/imv
Cloning into '/var/lib/mock/f39-build-1495850-34545/root/chroot_tmpdir/scmroot/imv'...
$ git fetch origin 69cc21b8a38620d6edc71c39e1defcb073dcb349:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/imv
 * [new ref]         69cc21b8a38620d6edc71c39e1defcb073dcb349 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 69cc21b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild