$ git clone -n https://src.fedoraproject.org/rpms/gource.git /var/lib/mock/f40-build-780430-130971/root/chroot_tmpdir/scmroot/gource
Cloning into '/var/lib/mock/f40-build-780430-130971/root/chroot_tmpdir/scmroot/gource'...
$ git fetch origin a6d8dd2c6752315331f8cfff4d2b553dc6e533e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gource
 * [new ref]         a6d8dd2c6752315331f8cfff4d2b553dc6e533e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6d8dd2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild