$ git clone -n https://src.fedoraproject.org/rpms/perl-Fuse.git /var/lib/mock/f41-build-815820-149783/root/chroot_tmpdir/scmroot/perl-Fuse
Cloning into '/var/lib/mock/f41-build-815820-149783/root/chroot_tmpdir/scmroot/perl-Fuse'...
$ git fetch origin b8aecd5a3dfcd891c6fac9c20120e71c083ee0cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Fuse
 * [new ref]         b8aecd5a3dfcd891c6fac9c20120e71c083ee0cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8aecd5 Perl 5.40 rebuild