$ git clone -n https://src.fedoraproject.org/rpms/stlink.git /var/lib/mock/f42-build-3458037-45512/root/chroot_tmpdir/scmroot/stlink
Cloning into '/var/lib/mock/f42-build-3458037-45512/root/chroot_tmpdir/scmroot/stlink'...
$ git fetch origin 38919a1d785ae2cc9c852835f7c743d9c1bce0cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stlink
 * [new ref]         38919a1d785ae2cc9c852835f7c743d9c1bce0cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 38919a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild