$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Install-XSUtil.git /var/lib/mock/f41-build-794236-13632/root/chroot_tmpdir/scmroot/perl-Module-Install-XSUtil
Cloning into '/var/lib/mock/f41-build-794236-13632/root/chroot_tmpdir/scmroot/perl-Module-Install-XSUtil'...
$ git fetch origin 6040fc63e9331ef1e16eafeea6b070fa4b335caa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Install-XSUtil
 * [new ref]         6040fc63e9331ef1e16eafeea6b070fa4b335caa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6040fc6 Eliminate use of obsolete %patchN syntax (#2283636)