$ git clone -n https://src.fedoraproject.org/rpms/vigra.git /var/lib/mock/f39-build-1775113-41512/root/chroot_tmpdir/scmroot/vigra
Cloning into '/var/lib/mock/f39-build-1775113-41512/root/chroot_tmpdir/scmroot/vigra'...
$ git fetch origin 8be89cf180f44c2b317bebf9e36287a60ce0d87d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vigra
 * [new ref]         8be89cf180f44c2b317bebf9e36287a60ce0d87d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8be89cf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild