$ git clone -n https://src.fedoraproject.org/rpms/rubygem-redcarpet.git /var/lib/mock/f40-build-777890-129619/root/chroot_tmpdir/scmroot/rubygem-redcarpet
Cloning into '/var/lib/mock/f40-build-777890-129619/root/chroot_tmpdir/scmroot/rubygem-redcarpet'...
$ git fetch origin 861f76c99b3091a74e72d4710d4c41523ce20feb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-redcarpet
 * [new ref]         861f76c99b3091a74e72d4710d4c41523ce20feb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 861f76c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild