$ git clone -n https://src.fedoraproject.org/rpms/gtk-sharp3.git /var/lib/mock/f38-build-side-42-init-devel-1328083-30692/root/chroot_tmpdir/scmroot/gtk-sharp3
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1328083-30692/root/chroot_tmpdir/scmroot/gtk-sharp3'...
$ git fetch origin c13f43bf45bf596c09df2e9eab8e0e6031719905:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtk-sharp3
 * [new ref]         c13f43bf45bf596c09df2e9eab8e0e6031719905 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c13f43b copy the config file to live beside the gtk-sharp.dll