Fix #5329: Add color formatting to static check messages (#5540)

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## Explanation
Fixes #5329  

This PR implements color-coded messages for static checks to improve
experience. Error messages are displayed in red for failing checks,
while warnings are shown in yellow. Successful checks are indicated with
green messages.
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## Essential Checklist
<!-- Please tick the relevant boxes by putting an "x" in them. -->
- [x] The PR title and explanation each start with "Fix #bugnum: " (If
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#bugnum: ...".)
- [x] Any changes to
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files have their rationale included in the PR explanation.
- [x] The PR follows the [style
guide](https://github.com/oppia/oppia-android/wiki/Coding-style-guide).
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---------

Co-authored-by: Adhiambo Peres <[email protected]>

Author: dattasneha

scripts/buf_lint_check.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+source scripts/formatting.sh
+
 jar_file_path=$?
 config_file_path=$?
 os_type=$?
@@ -15,11 +17,11 @@ lint_protobuf_files() {
   status=$?
 
   if [ "$status" = 0 ] ; then
-    echo "Protobuf lint check completed successfully"
+    echo_success "Protobuf lint check completed successfully"
     exit 0
   else
     echo "********************************"
-    echo "Protobuf lint check issues found. Please fix them before pushing your code."
+    echo_error "Protobuf lint check issues found. Please fix them before pushing your code."
     echo "********************************"
     exit 1
   fi
@@ -57,7 +59,7 @@ check_os_type() {
   elif [[ "$OSTYPE" == "darwin"* ]]; then
     os_type="Darwin"
   else
-    echo "Protobuf lint check not available on $OSTYPE"
+    echo_error "Protobuf lint check not available on $OSTYPE"
     exit 0
   fi
 }

scripts/buildifier_lint_check.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+source scripts/formatting.sh
+
 echo "********************************"
 echo "Checking Bazel file formatting"
 echo "********************************"
@@ -19,12 +21,12 @@ $buildifier_file_path --lint=warn --mode=check --warnings=-native-android,+out-o
 status=$?
 
 if [ "$status" = 0 ] ; then
-  echo "Buildifier lint check completed successfully"
+  echo_success "Buildifier lint check completed successfully"
   exit 0
 else
   # Assume any lint output or non-zero exit code is a failure.
   echo "********************************"
-  echo "Buildifier issue found."
+  echo_error "Buildifier issue found."
   echo "Please fix the above issues."
   echo "********************************"
   exit 1

scripts/checkstyle_lint_check.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+source scripts/formatting.sh
+
 echo "********************************"
 echo "Checking Java file formatting"
 echo "********************************"
@@ -23,11 +25,11 @@ echo $lint_results
 if [ "$lint_command_result" -ne 0 ] || [ -z "$lint_results" ] || [[ ${lint_results} == *"[WARN]"* ]]; then
   # Assume any lint output or non-zero exit code is a failure.
   echo "********************************"
-  echo "Checkstyle issue found."
+  echo_error "Checkstyle issue found."
   echo "Please fix the above issues."
   echo "********************************"
   exit 1
 else
-  echo "Checkstyle lint check completed successfully"
+  echo_success "Checkstyle lint check completed successfully"
   exit 0
 fi

scripts/feature_flags_check.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+source scripts/formatting.sh
+
 echo "********************************"
 echo "Running feature flag checks"
 echo "********************************"
@@ -120,24 +122,24 @@ function perform_checks_on_feature_flags() {
     in_array=$(item_in_array "$element" "${imported_classes[@]}")
     if [[ $in_array -ne 1 ]]; then
       failed_checks=$((failed_checks + 1))
-      echo "$element is not imported in the constructor argument in $file_path at line $imports_line_number"
+      echo_error "$element is not imported in the constructor argument in $file_path at line $imports_line_number"
     fi
   done
 
   for element in "${feature_flags[@]}"; do
     in_array=$(item_in_array "$element" "${flags_added_to_map[@]}")
     if [[ $in_array -ne 1 ]]; then
       failed_checks=$((failed_checks + 1))
-      echo "$element is not added to the logging map in $file_path at line $flags_map_line_number"
+      echo_error "$element is not added to the logging map in $file_path at line $flags_map_line_number"
     fi
   done
 
   if [[ $failed_checks -eq 0 ]]; then
-    echo "Feature flag checks completed successfully"
+    echo_success "Feature flag checks completed successfully"
     exit 0
   else
     echo "********************************"
-    echo "Feature flag issues found."
+    echo_error "Feature flag issues found."
     echo "Please fix the above issues."
     echo "********************************"
     exit 1

scripts/formatting.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+#Defines color codes for output formatting
+
+# Red color for error messages
+RED='\033[0;31m'
+
+# Green color for success messages
+GREEN='\033[0;32m'
+
+# Yellow color for warnings messages
+YELLOW='\033[0;33m'
+
+# No color, used to reset the color after each message
+NC='\033[0m'
+
+# Function to print an error message in red
+function echo_error() {
+    echo -e "${RED}$1${NC}"
+}
+
+# Function to print a success message in green
+function echo_success() {
+    echo -e "${GREEN}$1${NC}"
+}
+
+# Function to print a warning message in yellow
+function echo_warning() {
+    echo -e "${YELLOW}$1${NC}"
+}

scripts/ktlint_lint_check.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+source scripts/formatting.sh
+
 echo "********************************"
 echo "Checking code formatting"
 echo "********************************"
@@ -19,15 +21,15 @@ java -jar $jar_file_path --android app/src/**/*.kt data/src/**/*.kt domain/src/*
 status=$?
 
 if [ "$status" = 0 ] ; then
-  echo "Lint completed successfully."
+  echo_success "Lint completed successfully."
   exit 0
 else
   echo "********************************"
-  echo "Ktlint issue found."
+  echo_error "Ktlint issue found."
   echo "Please fix the above issues.
   You can also use the java -jar $jar_file_path -F --android domain/src/**/*.kt utility/src/**/*.kt data/src/**/*.kt app/src/**/*.kt testing/src/**/*.kt scripts/src/**/*.kt  instrumentation/src/**/*.kt
   command to fix the most common issues."
-  echo "Please note, there might be a possibility where the above command will not fix the issue.
+  echo_warning "Please note, there might be a possibility where the above command will not fix the issue.
   In that case, you will have to fix it yourself."
   echo "********************************"
   exit 1

scripts/pre-push.sh

@@ -1,13 +1,15 @@
 #!/bin/bash
 
+source scripts/formatting.sh
+
 # This script will run the pre-push checks in the given order
 # - ktlint
 # - checkstyle
 # - buf
 # - (others in the future)
 
 if bash scripts/ktlint_lint_check.sh && bash scripts/checkstyle_lint_check.sh && bash scripts/buf_lint_check.sh ; then
-  echo "All checks passed successfully"
+  echo_success "All checks passed successfully"
   exit 0
 else
   exit 1