keyword: unify keyword synonyms

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>

test/cli/0004.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+#set -x
+
+name=$(basename $0)
+root=$1
+gomtree=$(readlink -f ${root}/gomtree)
+t=$(mktemp -d /tmp/go-mtree.XXXXXX)
+
+echo "[${name}] Running in ${t}"
+
+pushd ${root}
+git archive --format=tar HEAD^{tree} . > ${t}/${name}.tar
+mkdir -p ${t}/extract
+tar -C ${t}/extract/ -xf ${t}/${name}.tar
+
+## This is a checking that keyword synonyms are respected
+${gomtree} -k sha1digest -c -p ${t}/extract/ > ${t}/${name}.mtree
+${gomtree} -k sha1 -f ${t}/${name}.mtree -p ${t}/extract/
+${gomtree} -k sha1 -c -p ${t}/extract/ > ${t}/${name}.mtree
+${gomtree} -k sha1digest -f ${t}/${name}.mtree -p ${t}/extract/
+
+popd
+rm -rf ${t}