$ git clone -n https://src.fedoraproject.org/rpms/perl-autobox.git /var/lib/mock/f45-build-27611-625/root/chroot_tmpdir/scmroot/perl-autobox
Cloning into '/var/lib/mock/f45-build-27611-625/root/chroot_tmpdir/scmroot/perl-autobox'...
$ git fetch origin 7b055fcb78cc98a8faf2f02223a0ba02fe89c498:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-autobox
 * [new ref]         7b055fcb78cc98a8faf2f02223a0ba02fe89c498 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7b055fc Perl 5.44 rebuild