$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-SharedFork.git /var/lib/mock/f40-build-2309164-57338/root/chroot_tmpdir/scmroot/perl-Test-SharedFork
Cloning into '/var/lib/mock/f40-build-2309164-57338/root/chroot_tmpdir/scmroot/perl-Test-SharedFork'...
$ git fetch origin 352ba3b299f9cca2b76eae60e9f6a99d8178808d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-SharedFork
 * [new ref]         352ba3b299f9cca2b76eae60e9f6a99d8178808d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 352ba3b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild