$ git clone -n https://src.fedoraproject.org/rpms/ghc-glib.git /var/lib/mock/f39-build-2147551-50888/root/chroot_tmpdir/scmroot/ghc-glib
Cloning into '/var/lib/mock/f39-build-2147551-50888/root/chroot_tmpdir/scmroot/ghc-glib'...
$ git fetch origin 738169f50818f6283d934085b84424c29e92632b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-glib
 * [new ref]         738169f50818f6283d934085b84424c29e92632b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 738169f https://hackage.haskell.org/package/glib-0.13.10.0/changelog