$ git clone -n https://src.fedoraproject.org/rpms/perl-Compress-Stream-Zstd.git /var/lib/mock/f45-build-22458-591/root/chroot_tmpdir/scmroot/perl-Compress-Stream-Zstd
Cloning into '/var/lib/mock/f45-build-22458-591/root/chroot_tmpdir/scmroot/perl-Compress-Stream-Zstd'...
$ git fetch origin 6387c178bd3b096d4f5025f82fd1111853ded723:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Compress-Stream-Zstd
 * [new ref]         6387c178bd3b096d4f5025f82fd1111853ded723 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6387c17 Perl 5.44 rebuild