$ git clone -n https://src.fedoraproject.org/rpms/a2jmidid.git /var/lib/mock/f42-build-885383-186786/root/chroot_tmpdir/scmroot/a2jmidid
Cloning into '/var/lib/mock/f42-build-885383-186786/root/chroot_tmpdir/scmroot/a2jmidid'...
$ git fetch origin 5f8bf1c35661f43426aaee9952503ccefa4278f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/a2jmidid
 * [new ref]         5f8bf1c35661f43426aaee9952503ccefa4278f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5f8bf1c Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild