$ git clone -n https://src.fedoraproject.org/rpms/gkeyfile-sharp.git /var/lib/mock/f41-build-724008-13112/root/chroot_tmpdir/scmroot/gkeyfile-sharp
Cloning into '/var/lib/mock/f41-build-724008-13112/root/chroot_tmpdir/scmroot/gkeyfile-sharp'...
$ git fetch origin ed5c05f5f8296b81ab49e42ec6ec3c2b9b37c20d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gkeyfile-sharp
 * [new ref]         ed5c05f5f8296b81ab49e42ec6ec3c2b9b37c20d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed5c05f Eliminate use of obsolete %patchN syntax (#2283636)