$ git clone -n https://src.fedoraproject.org/rpms/rust-ab_glyph_rasterizer.git /var/lib/mock/f38-build-side-43-rust-devel-1411377-31433/root/chroot_tmpdir/scmroot/rust-ab_glyph_rasterizer
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1411377-31433/root/chroot_tmpdir/scmroot/rust-ab_glyph_rasterizer'...
$ git fetch origin cc8b49e3d8ded5d95c47e1dc77f9b16d5509ae74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ab_glyph_rasterizer
 * [new ref]         cc8b49e3d8ded5d95c47e1dc77f9b16d5509ae74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc8b49e Update to 0.1.8