$ git clone -n https://src.fedoraproject.org/rpms/perl-Devel-LeakGuard-Object.git /var/lib/mock/f40-build-2623195-64953/root/chroot_tmpdir/scmroot/perl-Devel-LeakGuard-Object
Cloning into '/var/lib/mock/f40-build-2623195-64953/root/chroot_tmpdir/scmroot/perl-Devel-LeakGuard-Object'...
$ git fetch origin a55628f3278b73cc535047590f42bce5a72d4f7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Devel-LeakGuard-Object
 * [new ref]         a55628f3278b73cc535047590f42bce5a72d4f7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a55628f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild