Improve build.sh script

Apply suggestions from ShellCheck

scripts/build.sh

@@ -71,15 +71,15 @@ fi
 [ -z "$OUTPUT" ] && OUTPUT=artifacts
 
 echo "Creating output directory $OUTPUT/maven/org/opensearch if it doesn't already exist"
-mkdir -p $OUTPUT/maven/org/opensearch
+mkdir -p "$OUTPUT/maven/org/opensearch"
 
 # Build project and publish to maven local.
 echo "Building and publishing OpenSearch project to Maven Local"
-./gradlew publishToMavenLocal -Dbuild.snapshot=$SNAPSHOT -Dbuild.version_qualifier=$QUALIFIER
+./gradlew publishToMavenLocal -Dbuild.snapshot="$SNAPSHOT" -Dbuild.version_qualifier="$QUALIFIER"
 
 # Publish to existing test repo, using this to stage release versions of the artifacts that can be released from the same build.
 echo "Publishing OpenSearch to Test Repository"
-./gradlew publishNebulaPublicationToTestRepository -Dbuild.snapshot=$SNAPSHOT -Dbuild.version_qualifier=$QUALIFIER
+./gradlew publishNebulaPublicationToTestRepository -Dbuild.snapshot="$SNAPSHOT" -Dbuild.version_qualifier="$QUALIFIER"
 
 # Copy maven publications to be promoted
 echo "Copying Maven publications to $OUTPUT/maven/org"
@@ -89,7 +89,7 @@ cp -r ./build/local-test-repo/org/opensearch "${OUTPUT}"/maven/org
 # see https://github.com/opensearch-project/OpenSearch/blob/main/settings.gradle#L34 for other distribution targets
 
 [ -z "$PLATFORM" ] && PLATFORM=$(uname -s | awk '{print tolower($0)}')
-[ -z "$ARCHITECTURE" ] && ARCHITECTURE=`uname -m`
+[ -z "$ARCHITECTURE" ] && ARCHITECTURE=$(uname -m)
 [ -z "$DISTRIBUTION" ] && DISTRIBUTION="tar"
 
 case $PLATFORM-$DISTRIBUTION-$ARCHITECTURE in
@@ -157,13 +157,13 @@ esac
 
 echo "Building OpenSearch for $PLATFORM-$DISTRIBUTION-$ARCHITECTURE"
 
-./gradlew :distribution:$TYPE:$TARGET:assemble -Dbuild.snapshot=$SNAPSHOT -Dbuild.version_qualifier=$QUALIFIER
+./gradlew ":distribution:$TYPE:$TARGET:assemble" -Dbuild.snapshot="$SNAPSHOT" -Dbuild.version_qualifier="$QUALIFIER"
 
 # Copy artifact to dist folder in bundle build output
 echo "Copying artifact to ${OUTPUT}/dist"
-[[ "$SNAPSHOT" == "true" ]] && IDENTIFIER="-SNAPSHOT"
-ARTIFACT_BUILD_NAME=`ls distribution/$TYPE/$TARGET/build/distributions/ | grep "wazuh-indexer-min.*$SUFFIX.$EXT"`
+# [[ "$SNAPSHOT" == "true" ]] && IDENTIFIER="-SNAPSHOT"
+ARTIFACT_BUILD_NAME=$(ls "distribution/$TYPE/$TARGET/build/distributions/" | grep "wazuh-indexer-min.*$SUFFIX.$EXT")
 # [WAZUH] Used by the GH workflow to upload the artifact
 echo "$ARTIFACT_BUILD_NAME" > "$OUTPUT/artifact_name.txt"
 mkdir -p "${OUTPUT}/dist"
-cp distribution/$TYPE/$TARGET/build/distributions/$ARTIFACT_BUILD_NAME "${OUTPUT}"/dist/$ARTIFACT_BUILD_NAME
+cp "distribution/$TYPE/$TARGET/build/distributions/$ARTIFACT_BUILD_NAME" "${OUTPUT}/dist/$ARTIFACT_BUILD_NAME"