$ git clone -n https://src.fedoraproject.org/rpms/perl-Test2-Plugin-MemUsage.git /var/lib/mock/f39-build-1439518-32261/root/chroot_tmpdir/scmroot/perl-Test2-Plugin-MemUsage
Cloning into '/var/lib/mock/f39-build-1439518-32261/root/chroot_tmpdir/scmroot/perl-Test2-Plugin-MemUsage'...
$ git fetch origin f76921b0716d443d443c35cc0e52652b30c63422:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test2-Plugin-MemUsage
 * [new ref]         f76921b0716d443d443c35cc0e52652b30c63422 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f76921b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild