Merge pull request #223 from ZenVoich/optimize-moc-wrapper

[cli] optimize `moc-wrapper`

cli/bin/moc-wrapper.sh

@@ -1,3 +1,40 @@
 #!/bin/bash
-mocPath="$(mops toolchain bin moc --fallback)"
-$mocPath "$@"
+
+# set -e
+
+findRootDir() {
+  dir="$(pwd)"
+  while [[ "$dir" != "" && ! -e "$dir/mops.toml" ]]; do
+    dir=${dir%/*}
+  done
+  echo "$dir"
+}
+
+rootDir=$(findRootDir)
+mopsToml="$rootDir/mops.toml"
+
+if [[ $rootDir == "" ]] || [[ ! -f $mopsToml ]]; then
+  echo "mops.toml not found in $rootDir or its parent directories"
+  exit 1;
+fi;
+
+if command -v openssl &> /dev/null; then
+  mopsTomlHash=$(openssl sha256 $mopsToml | awk -F'= ' '{print $2}')
+else
+  mopsTomlHash=$(shasum $mopsToml -a 256 | awk -F' ' '{print $1}')
+fi;
+
+cached="$rootDir/.mops/moc-$mopsTomlHash"
+
+if [ -f $cached ]; then
+  mocPath=$(cat $cached)
+  if [[ "$mocPath" != *"/moc" ]] ; then
+    mocPath="$(mops toolchain bin moc --fallback)"
+    echo -n $mocPath > "$cached"
+  fi;
+else
+  mocPath="$(mops toolchain bin moc --fallback)"
+  echo -n $mocPath > "$cached"
+fi;
+
+$mocPath "$@"