$ git clone -n https://src.fedoraproject.org/rpms/compat-gdbm.git /var/lib/mock/f41-build-1290500-23344/root/chroot_tmpdir/scmroot/compat-gdbm
Cloning into '/var/lib/mock/f41-build-1290500-23344/root/chroot_tmpdir/scmroot/compat-gdbm'...
$ git fetch origin 333694c9e1debfb7f1f4a7444362f4c5fcaa1122:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/compat-gdbm
 * [new ref]         333694c9e1debfb7f1f4a7444362f4c5fcaa1122 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 333694c Eliminate use of obsolete %patchN syntax (#2283636)