$ git clone -n https://src.fedoraproject.org/rpms/perl-Text-vCard.git /var/lib/mock/f39-build-1439793-32286/root/chroot_tmpdir/scmroot/perl-Text-vCard
Cloning into '/var/lib/mock/f39-build-1439793-32286/root/chroot_tmpdir/scmroot/perl-Text-vCard'...
$ git fetch origin 264132dc24119ddd9a8ea8d60808ca8457f85011:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Text-vCard
 * [new ref]         264132dc24119ddd9a8ea8d60808ca8457f85011 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 264132d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild