$ git clone -n https://src.fedoraproject.org/rpms/rust-glib-macros0.16.git /var/lib/mock/f38-build-side-43-rust-devel-1416819-31457/root/chroot_tmpdir/scmroot/rust-glib-macros0.16
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1416819-31457/root/chroot_tmpdir/scmroot/rust-glib-macros0.16'...
$ git fetch origin 53375bfa8bdf7d80fc23ce7df57d559058507e36:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-glib-macros0.16
 * [new ref]         53375bfa8bdf7d80fc23ce7df57d559058507e36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 53375bf Update to version 0.16.8