$ git clone -n https://src.fedoraproject.org/rpms/args4j.git /var/lib/mock/f42-build-3272236-41305/root/chroot_tmpdir/scmroot/args4j
Cloning into '/var/lib/mock/f42-build-3272236-41305/root/chroot_tmpdir/scmroot/args4j'...
$ git fetch origin bf8bb4f70ef42ad454ab70cabddc8df1ea44e683:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/args4j
 * [new ref]         bf8bb4f70ef42ad454ab70cabddc8df1ea44e683 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf8bb4f Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild