$ git clone -n https://src.fedoraproject.org/rpms/perl-Command-Runner.git /var/lib/mock/f39-build-1434918-31960/root/chroot_tmpdir/scmroot/perl-Command-Runner
Cloning into '/var/lib/mock/f39-build-1434918-31960/root/chroot_tmpdir/scmroot/perl-Command-Runner'...
$ git fetch origin 490ac24a6307eeffbffdd6a7547169840cd4256c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Command-Runner
 * [new ref]         490ac24a6307eeffbffdd6a7547169840cd4256c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 490ac24 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild