$ git clone -n https://src.fedoraproject.org/rpms/pcc.git /var/lib/mock/f39-build-1677330-40958/root/chroot_tmpdir/scmroot/pcc
Cloning into '/var/lib/mock/f39-build-1677330-40958/root/chroot_tmpdir/scmroot/pcc'...
$ git fetch origin 5af321c9db69f82b9177dba2af61d957c32aeba2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pcc
 * [new ref]         5af321c9db69f82b9177dba2af61d957c32aeba2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5af321c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild