$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-TrailingSpace.git /var/lib/mock/f40-build-2309199-57338/root/chroot_tmpdir/scmroot/perl-Test-TrailingSpace
Cloning into '/var/lib/mock/f40-build-2309199-57338/root/chroot_tmpdir/scmroot/perl-Test-TrailingSpace'...
$ git fetch origin d978d49aeb556161cf95b809ecaefd31adbe5b8c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-TrailingSpace
 * [new ref]         d978d49aeb556161cf95b809ecaefd31adbe5b8c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d978d49 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild