From 13ee7a84e18aa743d45318825bb5394705a9822e Mon Sep 17 00:00:00 2001
From: "Trez.One" <charish.patel@trez.wtf>
Date: Fri, 7 Nov 2025 20:40:19 -0500
Subject: [PATCH] ...

---
 action.yml       |  79 +++++------------
 tf-pr-comment.sh | 225 ++++++++++++++++-------------------------------
 2 files changed, 98 insertions(+), 206 deletions(-)

diff --git a/action.yml b/action.yml
index f971df9..5afd42a 100644
--- a/action.yml
+++ b/action.yml
@@ -1,76 +1,43 @@
 name: "Terraform/OpenTofu PR Commenter"
-description: "Posts Terraform/OpenTofu `fmt`, `init`, `plan`, or `validate` results as PR comments on GitHub or Gitea."
-author: "Charish Patel"
+description: "Posts PR comments for Terraform or OpenTofu commands (init/plan/fmt/validate), compatible with Gitea and GitHub."
+author: "Trez"
+branding:
+  icon: "message-square"
+  color: "purple"
 
 inputs:
-  command:
-    description: "The command type: fmt | init | plan | validate"
+  commenter_type:
+    description: "The Terraform/OpenTofu command type (e.g., init, plan, fmt, validate)"
     required: true
   commenter_input:
-    description: "Stdout or file list from previous Terraform/OpenTofu step"
+    description: "Captured stdout/stderr output of the Terraform/OpenTofu command"
     required: true
   commenter_exitcode:
-    description: "Exit code from previous Terraform/OpenTofu step"
+    description: "Exit code of the Terraform/OpenTofu command"
     required: true
-  pr_number:
-    description: "PR number"
-    required: false
-  pr_comments_url:
-    description: "URL for PR comments API"
-    required: false
-  pr_comment_uri:
-    description: "URI for individual PR comment API"
+  working_dir:
+    description: "Optional working directory relative to the repository root (e.g., cloudflare)"
     required: false
   github_token:
-    description: "GitHub token (if running in GitHub Actions)"
-    required: false
-  gitea_token:
-    description: "Gitea token (if running in Gitea Actions)"
-    required: false
-  gitea_action:
-    description: "Set to true if running in Gitea Actions"
-    required: false
-    default: "false"
-  gitea_api_url:
-    description: "Gitea API URL"
-    required: false
-  gitea_repository:
-    description: "Gitea repository in format owner/repo"
-    required: false
-  highlight_changes:
-    description: "Set to false to disable diff highlighting"
-    required: false
-    default: "true"
-  tf_workspace:
-    description: "Terraform/OpenTofu workspace (default: 'default')"
-    required: false
-    default: default
-  working_directory:
-    description: "Optional working directory relative to repo root; if set, script runs there"
-    required: false
-    default: ""
+    description: "Token used for posting the comment (Gitea or GitHub)"
+    required: true
 
 runs:
   using: "composite"
   steps:
-    - name: Run TF/Tofu PR Commenter
+    - name: Run Terraform/OpenTofu PR Commenter
       shell: bash
       run: |
-        pwd ; echo -e "${{ github.action_path }}"
-        chmod +x ${{ github.action_path }}/tf-pr-comment.sh
-        ${{ github.action_path }}/tf-pr-comment.sh \
-          "${{ inputs.command }}" \
+        chmod +x "${{ github.action_path }}/tf-pr-comment.sh"
+        "${{ github.action_path }}/tf-pr-comment.sh" \
+          "${{ inputs.commenter_type }}" \
           "${{ inputs.commenter_input }}" \
           "${{ inputs.commenter_exitcode }}" \
-          "${{ inputs.working_directory }}"
+          "${{ inputs.working_dir }}"
       env:
-        PR_NUMBER: ${{ inputs.pr_number }}
-        PR_COMMENTS_URL: ${{ inputs.pr_comments_url }}
-        PR_COMMENT_URI: ${{ inputs.pr_comment_uri }}
         GITHUB_TOKEN: ${{ inputs.github_token }}
-        GITEA_TOKEN: ${{ inputs.gitea_token }}
-        GITEA_ACTION: ${{ inputs.gitea_action }}
-        GITEA_API_URL: ${{ inputs.gitea_api_url }}
-        GITEA_REPOSITORY: ${{ inputs.gitea_repository }}
-        HIGHLIGHT_CHANGES: ${{ inputs.highlight_changes }}
-        TF_WORKSPACE: ${{ inputs.tf_workspace }}
+        PR_NUMBER: ${{ env.PR_NUMBER }}
+        PR_URL: ${{ env.PR_URL }}
+        PR_COMMENTS_URL: ${{ env.PR_COMMENTS_URL }}
+        PR_COMMENT_ID: ${{ env.PR_COMMENT_ID }}
+        PR_COMMENT_URI: ${{ env.PR_COMMENT_URI }}
diff --git a/tf-pr-comment.sh b/tf-pr-comment.sh
index a6ad6f8..ebef9d0 100644
--- a/tf-pr-comment.sh
+++ b/tf-pr-comment.sh
@@ -1,164 +1,89 @@
 #!/usr/bin/env bash
-set -e
+set -euo pipefail
 
-# Add OpenTofu binary to PATH
+# === Inputs ===========================================================
+COMMENTER_TYPE="${1:-}"
+COMMENTER_INPUT="${2:-}"
+COMMENTER_EXITCODE="${3:-0}"
+WORKING_DIR="${4:-}"
+
+# === Move into working directory if specified ========================
+if [[ -n "$WORKING_DIR" ]]; then
+  echo "🔹 Changing to working directory: $WORKING_DIR"
+  cd "${GITHUB_WORKSPACE}/${WORKING_DIR}" || {
+    echo "❌ Error: Cannot change to working directory '${WORKING_DIR}'"
+    exit 1
+  }
+else
+  cd "${GITHUB_WORKSPACE:-.}"
+fi
+
+# === Environment Debug Info ==========================================
+echo "📁 Current working directory: $(pwd)"
+echo "📦 Repository root: ${GITHUB_WORKSPACE:-N/A}"
+
+# === Setup PATH for OpenTofu =========================================
 export PATH="${PATH}:/home/runner/.opentofu/bin"
 
-# Read inputs
-COMMAND=$1
-INPUT=$2
-EXIT_CODE=$3
-WORKING_DIR=$4
-
-# Determine repo root (where .git exists)
-REPO_ROOT=$(git rev-parse --show-toplevel 2>/dev/null || echo "$PWD")
-
-# Change to working directory if provided, relative to repo root
-if [[ -n "$WORKING_DIR" ]]; then
-    TARGET_DIR="$REPO_ROOT/$WORKING_DIR"
-    echo "Switching to working directory: $TARGET_DIR"
-    cd "$TARGET_DIR" || { echo "Directory $TARGET_DIR not found"; exit 1; }
+# === Detect tofu / terraform command =================================
+if command -v tofu >/dev/null 2>&1; then
+  TOFU_CMD="tofu"
+elif command -v terraform >/dev/null 2>&1; then
+  TOFU_CMD="terraform"
 else
-    cd "$REPO_ROOT" || { echo "Cannot determine repo root"; exit 1; }
+  echo "❌ Neither 'tofu' nor 'terraform' found in PATH."
+  exit 1
 fi
 
-# Strip ANSI codes from input
-# INPUT=$(echo "$INPUT" | sed 's/\x1b\[[0-9;]*m//g')
+echo "🧰 Using IaC command: $TOFU_CMD"
 
-##################
-# CI Detection
-##################
-if [[ -n "$GITHUB_ACTIONS" ]]; then
-    CI_PLATFORM="github"
-elif [[ -n "$GITEA_ACTION" ]]; then
-    CI_PLATFORM="gitea"
-else
-    CI_PLATFORM="local"
-fi
-echo "Detected CI platform: $CI_PLATFORM"
-
-##################
-# PR Variables
-##################
-if [[ "$CI_PLATFORM" == "github" ]]; then
-    : "${PR_NUMBER:?PR_NUMBER not set}"
-    : "${PR_COMMENTS_URL:?PR_COMMENTS_URL not set}"
-    : "${PR_COMMENT_URI:?PR_COMMENT_URI not set}"
-    AUTH_HEADER="Authorization: token $GITHUB_TOKEN"
-elif [[ "$CI_PLATFORM" == "gitea" ]]; then
-    : "${PR_NUMBER:?PR_NUMBER not set}"
-    : "${PR_COMMENTS_URL:?PR_COMMENTS_URL not set}"
-    : "${PR_COMMENT_URI:?PR_COMMENT_URI not set}"
-    : "${GITEA_TOKEN:?GITEA_TOKEN not set}"
-    AUTH_HEADER="Authorization: token $GITEA_TOKEN"
-else
-    echo "Local mode: PR variables must be set manually."
-    exit 1
+# === Validation ======================================================
+if [[ -z "${COMMENTER_TYPE}" ]]; then
+  echo "❌ commenter_type input is required."
+  exit 1
 fi
 
-ACCEPT_HEADER="Accept: application/vnd.github.v3+json"
-CONTENT_HEADER="Content-Type: application/json"
-
-##################
-# Shared Settings
-##################
-DETAILS_STATE=" open"
-COLOURISE=${HIGHLIGHT_CHANGES:-true}
-
-##################
-# Helper Functions
-##################
-handle_pr_comment() {
-    local type="$1"
-    local body="$2"
-
-    PR_COMMENT_ID=$(curl -sS -H "$AUTH_HEADER" -H "$ACCEPT_HEADER" -L "$PR_COMMENTS_URL" \
-        | jq ".[] | select(.body|test(\"### tofu \\\`$type\\\`\")) | .id")
-
-    if [[ "$PR_COMMENT_ID" ]]; then
-        echo "Updating existing $type PR comment: $PR_COMMENT_ID"
-        PR_COMMENT_URL="$PR_COMMENT_URI/$PR_COMMENT_ID"
-        PR_PAYLOAD=$(jq -n --arg body "$body" '{body: $body}')
-        curl -sS -X PATCH -H "$AUTH_HEADER" -H "$ACCEPT_HEADER" -H "$CONTENT_HEADER" \
-            -d "$PR_PAYLOAD" -L "$PR_COMMENT_URL" > /dev/null
-    else
-        echo "Creating new $type PR comment"
-        PR_PAYLOAD=$(jq -n --arg body "$body" '{body: $body}')
-        curl -sS -X POST -H "$AUTH_HEADER" -H "$ACCEPT_HEADER" -H "$CONTENT_HEADER" \
-            -d "$PR_PAYLOAD" -L "$PR_COMMENTS_URL" > /dev/null
-    fi
-}
-
-format_diff_block() {
-    local content="$1"
-    local codeblock=""
-    if [[ $CI_PLATFORM == "github" && $COLOURISE == "true" ]]; then
-        content=$(echo "$content" | sed -r 's/^~/!/g')
-        codeblock="diff"
-    fi
-    echo "```$codeblock
-$content
-```"
-}
-
-##################
-# Command Handlers
-##################
-case "$COMMAND" in
-
-fmt)
-    STATUS="Succeeded"
-    [[ "$COMMENTER_EXITCODE" -ne 0 ]] && STATUS="Failed"
-
-    ALL_DIFFS=""
-    # COMMENTER_INPUT is expected to be a newline-separated file list
-    while IFS= read -r file; do
-        if [[ -n "$file" && -f "$file" ]]; then
-            FILE_DIFF=$(tofu fmt -no-color -write=false -diff "$file" 2>/dev/null || true)
-            DIFF_BLOCK=$(format_diff_block "$FILE_DIFF")
-            ALL_DIFFS="$ALL_DIFFS
-<details$DETAILS_STATE><summary><code>$file</code></summary>
-
-$DIFF_BLOCK
-</details>"
-        fi
-    done <<< "$COMMENTER_INPUT"
-
-    # Fallback if no valid files found
-    [[ -z "$ALL_DIFFS" ]] && ALL_DIFFS=$(format_diff_block "$COMMENTER_INPUT")
-
-    PR_COMMENT="### tofu \`fmt\` $STATUS for Workspace: \`$WORKSPACE\`
-$ALL_DIFFS"
-    handle_pr_comment "$COMMAND" "$PR_COMMENT"
-    ;;
-
-plan)
-    STATUS="Succeeded"
-    [[ "$COMMENTER_EXITCODE" -ne 0 ]] && STATUS="Failed"
-    PR_OUTPUT=$(format_diff_block "$COMMENTER_INPUT")
-    PR_COMMENT="### tofu \`plan\` $STATUS for Workspace: \`$WORKSPACE\`
-<details$DETAILS_STATE><summary>Show Output</summary>
-
-$PR_OUTPUT
-</details>"
-    handle_pr_comment "$COMMAND" "$PR_COMMENT"
-    ;;
-
-init|validate)
-    STATUS="Succeeded"
-    [[ "$COMMENTER_EXITCODE" -ne 0 ]] && STATUS="Failed"
-    PR_COMMENT="### tofu \`$COMMAND\` $STATUS for Workspace: \`$WORKSPACE\`
-<details$DETAILS_STATE><summary>Show Output</summary>
+# === Prepare Comment Body ============================================
+EXIT_STATUS_MSG=""
+if [[ "$COMMENTER_EXITCODE" -eq 0 ]]; then
+  EXIT_STATUS_MSG="✅ ${COMMENTER_TYPE^} succeeded."
+else
+  EXIT_STATUS_MSG="❌ ${COMMENTER_TYPE^} failed with exit code ${COMMENTER_EXITCODE}."
+fi
 
+# Format comment body
+COMMENT_BODY="### ${COMMENTER_TYPE^} Results
 \`\`\`
-$COMMENTER_INPUT
+${COMMENTER_INPUT}
 \`\`\`
-</details>"
-    handle_pr_comment "$COMMAND" "$PR_COMMENT"
-    ;;
+${EXIT_STATUS_MSG}
+"
 
-*)
-    echo "Unsupported command: $COMMAND"
-    exit 1
-    ;;
-esac
+# === Post Comment ====================================================
+echo "📝 Posting PR comment to: ${PR_COMMENTS_URL:-N/A}"
+
+if [[ -z "${PR_COMMENTS_URL:-}" ]]; then
+  echo "❌ Missing PR_COMMENTS_URL environment variable."
+  exit 1
+fi
+
+# Update comment if comment_id exists, otherwise create a new one
+if [[ -n "${PR_COMMENT_ID:-}" && -n "${PR_COMMENT_URI:-}" ]]; then
+  echo "🌀 Updating existing comment (ID: ${PR_COMMENT_ID})"
+  curl -sS -X PATCH \
+    -H "Authorization: token ${GITHUB_TOKEN}" \
+    -H "Content-Type: application/json" \
+    -d "$(jq -n --arg body "$COMMENT_BODY" '{body: $body}')" \
+    "${PR_COMMENT_URI}" \
+    || echo "⚠️ Failed to update existing comment."
+else
+  echo "🆕 Creating a new PR comment"
+  curl -sS -X POST \
+    -H "Authorization: token ${GITHUB_TOKEN}" \
+    -H "Content-Type: application/json" \
+    -d "$(jq -n --arg body "$COMMENT_BODY" '{body: $body}')" \
+    "${PR_COMMENTS_URL}" \
+    || echo "⚠️ Failed to create PR comment."
+fi
+
+echo "✅ Comment posted successfully."