$ git clone -n https://src.fedoraproject.org/rpms/perl-Guard.git /var/lib/mock/f40-build-779722-130466/root/chroot_tmpdir/scmroot/perl-Guard
Cloning into '/var/lib/mock/f40-build-779722-130466/root/chroot_tmpdir/scmroot/perl-Guard'...
$ git fetch origin 8946bbad41c9f1150c2c34f4f5522ee4b65a6313:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Guard
 * [new ref]         8946bbad41c9f1150c2c34f4f5522ee4b65a6313 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8946bba Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild