$ git clone -n https://src.fedoraproject.org/rpms/rust-glib0.16.git /var/lib/mock/f38-build-side-43-rust-devel-1414621-31450/root/chroot_tmpdir/scmroot/rust-glib0.16
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1414621-31450/root/chroot_tmpdir/scmroot/rust-glib0.16'...
$ git fetch origin e08e3a89cddbb4497941461d1d9610280bd139a2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-glib0.16
 * [new ref]         e08e3a89cddbb4497941461d1d9610280bd139a2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e08e3a8 Initial import (glib 0.16 compat package)