$ git clone -n https://src.fedoraproject.org/rpms/perl-XML-LibXML-Devel-SetLineNumber.git /var/lib/mock/f45-build-27497-624/root/chroot_tmpdir/scmroot/perl-XML-LibXML-Devel-SetLineNumber
Cloning into '/var/lib/mock/f45-build-27497-624/root/chroot_tmpdir/scmroot/perl-XML-LibXML-Devel-SetLineNumber'...
$ git fetch origin 1dfeb3bdc583b3526a9d2fdef31a8b70b957f29d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-XML-LibXML-Devel-SetLineNumber
 * [new ref]         1dfeb3bdc583b3526a9d2fdef31a8b70b957f29d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1dfeb3b Perl 5.44 rebuild