$ git clone -n https://src.fedoraproject.org/rpms/perl-Image-Info.git /var/lib/mock/f39-build-1438500-32213/root/chroot_tmpdir/scmroot/perl-Image-Info
Cloning into '/var/lib/mock/f39-build-1438500-32213/root/chroot_tmpdir/scmroot/perl-Image-Info'...
$ git fetch origin 8049d501d3611d5896935144c9f35fa10ddb7b3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Image-Info
 * [new ref]         8049d501d3611d5896935144c9f35fa10ddb7b3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8049d50 Update to 1.44