$ git clone -n https://src.fedoraproject.org/rpms/perl-POSIX-strptime.git /var/lib/mock/f45-build-25642-612/root/chroot_tmpdir/scmroot/perl-POSIX-strptime
Cloning into '/var/lib/mock/f45-build-25642-612/root/chroot_tmpdir/scmroot/perl-POSIX-strptime'...
$ git fetch origin a23b684c0422dda0ff544044a6cf94bef931e296:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-POSIX-strptime
 * [new ref]         a23b684c0422dda0ff544044a6cf94bef931e296 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a23b684 Perl 5.44 rebuild