fix(R linting): try installing the R package before linting R language (#1911)

* fix(R linting): try installing the R package before linting R language

* the tool used to lint the R language gives false positives for files inside an R library, which is not installed
* this change tries to naively install the package in the linted directory

Resolves #1910

* fix code

* fixed it

* fixed it

Co-authored-by: Admiral Awkbar <admiralawkbar@github.com>

lib/functions/detectFiles.sh

@@ -437,4 +437,57 @@ function RunAdditionalInstalls() {
       done
     fi
   fi
+
+  ###############################
+  # Run installs for R language #
+  ###############################
+  if [ "${VALIDATE_R}" == "true" ] && [ "${#FILE_ARRAY_R[@]}" -ne 0 ]; then
+    info "Detected R Language files to lint."
+    info "Trying to install the R package inside:[${WORKSPACE_PATH}]"
+    #########################
+    # Run the build command #
+    #########################
+    BUILD_CMD=$(R CMD build "${WORKSPACE_PATH}" 2>&1)
+
+    ##############
+    # Error code #
+    ##############
+    ERROR_CODE=$?
+
+    ##############################
+    # Check the shell for errors #
+    ##############################
+    if [ "${ERROR_CODE}" -ne 0 ]; then
+      # Error
+      warn "ERROR! Failed to run:[R CMD build] at location:[${WORKSPACE_PATH}]"
+      warn "BUILD_CMD:[${BUILD_CMD}]"
+    else
+      # Get the build package
+      BUILD_PKG=$(
+        cd "${WORKSPACE_PATH}" || exit 0
+        echo *.tar.gz 2>&1
+      )
+      ##############################
+      # Install the build packages #
+      ##############################
+      INSTALL_CMD=$(
+        cd "${WORKSPACE_PATH}" || exit 0
+        R CMD INSTALL "${BUILD_PKG}" 2>&1
+       )
+
+      ##############
+      # Error code #
+      ##############
+      ERROR_CODE=$?
+
+      ##############################
+      # Check the shell for errors #
+      ##############################
+      if [ "${ERROR_CODE}" -ne 0 ]; then
+        # Error
+        warn "ERROR: Failed to install the build package at:[${BUILD_PKG}]"
+        warn "INSTALL_CMD:[${INSTALL_CMD}]"
+      fi
+    fi
+  fi
 }

lib/functions/worker.sh

@@ -10,7 +10,7 @@
 ################################################################################
 #### Function LintCodebase #####################################################
 function LintCodebase() {
-  # Call comes thorugh as:
+  # Call comes through as:
   # LintCodebase "${LANGUAGE}" "${LINTER_NAME}" "${LINTER_COMMAND}" "${FILTER_REGEX_INCLUDE}" "${FILTER_REGEX_EXCLUDE}" "${TEST_CASE_RUN}" "${!LANGUAGE_FILE_ARRAY}"
   ####################
   # Pull in the vars #