$ git clone -n https://src.fedoraproject.org/rpms/gtksourceview5.git /var/lib/mock/f41-build-852300-166322/root/chroot_tmpdir/scmroot/gtksourceview5
Cloning into '/var/lib/mock/f41-build-852300-166322/root/chroot_tmpdir/scmroot/gtksourceview5'...
$ git fetch origin 96bf08fa557c47d45e947a26fdbcdb19cdb5bc39:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtksourceview5
 * [new ref]         96bf08fa557c47d45e947a26fdbcdb19cdb5bc39 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96bf08f Update to 5.14.0