mirror of
https://github.com/dograh-hq/dograh.git
synced 2026-06-07 07:55:16 +02:00
168 lines
4.6 KiB
Bash
168 lines
4.6 KiB
Bash
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#!/bin/bash
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set -e # Exit on any error
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# Debug logging function
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log_debug() {
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echo "[DEBUG] $1" >&2
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}
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log_debug "Script started with arguments count: $#"
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# Get discussion data from environment variables or command line arguments
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if [ -n "$DISCUSSION_TITLE" ] && [ -n "$DISCUSSION_BODY" ] && [ -n "$DISCUSSION_URL" ]; then
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# Use environment variables (preferred for GitHub Actions)
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TITLE="$DISCUSSION_TITLE"
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BODY="$DISCUSSION_BODY"
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URL="$DISCUSSION_URL"
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log_debug "Using environment variables"
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else
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# Fall back to command line arguments
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TITLE="$1"
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BODY="$2"
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URL="$3"
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log_debug "Using command line arguments"
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fi
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if [ -z "$TITLE" ] || [ -z "$BODY" ] || [ -z "$URL" ]; then
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log_debug "Missing required data"
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echo "Usage: Set DISCUSSION_TITLE, DISCUSSION_BODY, DISCUSSION_URL env vars or pass as args: $0 <title> <body> <url>" >&2
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exit 1
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fi
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log_debug "Title length: ${#TITLE}"
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log_debug "Body length: ${#BODY}"
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log_debug "URL: $URL"
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# Function to escape JSON strings
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escape_json() {
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# Use python for reliable JSON escaping
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python3 -c "
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import json
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import sys
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text = sys.stdin.read().rstrip('\n\r') # Remove trailing newline and carriage return from stdin
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print(json.dumps(text)[1:-1], end='') # Remove outer quotes
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" <<< "$1"
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}
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# Function to convert GitHub markdown to Slack mrkdwn format
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convert_to_slack_format() {
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local text="$1"
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log_debug "Starting markdown conversion"
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# First remove all carriage returns to prevent formatting issues
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log_debug "Removing carriage returns"
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text=$(echo "$text" | tr -d '\r')
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# Convert headers (## Header -> *Header*)
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log_debug "Converting headers"
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text=$(echo "$text" | sed -E 's/^#{1,6}[[:space:]]+(.+)$/*\1*/g')
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# Handle code blocks carefully - leave them as triple backticks
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log_debug "Preserving code blocks"
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# Convert inline code (`code` -> `code`)
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log_debug "Converting inline code"
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text=$(echo "$text" | sed -E 's/`([^`\n]+)`/`\1`/g')
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# Convert HTML breaks to newlines
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log_debug "Converting HTML breaks"
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text=$(echo "$text" | sed -E 's/<br[[:space:]]*\/?>/\n/gi')
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# Convert markdown links [text](url) to Slack format <url|text>
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log_debug "Converting markdown links"
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text=$(echo "$text" | sed -E 's/\[([^]]+)\]\(([^)]+)\)/<\2|\1>/g')
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# Convert bold text to Slack format
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log_debug "Converting bold text"
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text=$(echo "$text" | sed -E 's/\*\*([^*]+)\*\*/*\1*/g')
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# Clean up excessive newlines
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log_debug "Cleaning up newlines"
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text=$(echo "$text" | sed -E 's/\n\n\n+/\n\n/g')
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log_debug "Markdown conversion completed"
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echo "$text"
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}
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# Convert body to Slack format
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log_debug "Converting body to Slack format"
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SLACK_BODY=$(convert_to_slack_format "$BODY")
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log_debug "Slack body length after conversion: ${#SLACK_BODY}"
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# Truncate if too long (Slack limit)
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MAX_LENGTH=2500
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if [ ${#SLACK_BODY} -gt $MAX_LENGTH ]; then
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log_debug "Truncating body from ${#SLACK_BODY} to $MAX_LENGTH characters"
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SLACK_BODY="${SLACK_BODY:0:$MAX_LENGTH}...\n\n_View full announcement on GitHub_"
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fi
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# Escape JSON strings
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log_debug "Escaping JSON strings"
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TITLE_ESCAPED=$(escape_json "$TITLE")
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SLACK_BODY_ESCAPED=$(escape_json "$SLACK_BODY")
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URL_ESCAPED=$(escape_json "$URL")
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log_debug "Title escaped length: ${#TITLE_ESCAPED}"
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log_debug "Slack body escaped length: ${#SLACK_BODY_ESCAPED}"
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# Create Slack payload JSON
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log_debug "Creating Slack payload JSON"
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PAYLOAD=$(cat <<EOF
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{
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"text": "New Announcement: $TITLE_ESCAPED",
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"blocks": [
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{
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"type": "header",
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"text": {
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"type": "plain_text",
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"text": "📢 New Announcement",
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"emoji": true
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}
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},
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{
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"type": "section",
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"text": {
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"type": "mrkdwn",
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"text": "*$TITLE_ESCAPED*"
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}
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},
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{
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"type": "divider"
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},
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{
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"type": "section",
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"text": {
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"type": "mrkdwn",
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"text": "$SLACK_BODY_ESCAPED"
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}
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},
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{
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"type": "divider"
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},
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{
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"type": "section",
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"text": {
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"type": "mrkdwn",
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"text": "<$URL_ESCAPED|View full discussion on GitHub>"
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}
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}
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]
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}
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EOF
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)
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log_debug "Payload created successfully, length: ${#PAYLOAD}"
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# Validate JSON syntax
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if echo "$PAYLOAD" | jq empty 2>/dev/null; then
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log_debug "JSON payload is valid"
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else
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log_debug "WARNING: JSON payload may be invalid"
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fi
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# Always output to stdout - let the YAML workflow handle GITHUB_OUTPUT
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log_debug "Outputting payload to stdout"
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log_debug "Payload first 100 chars: ${PAYLOAD:0:100}..."
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echo "$PAYLOAD"
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log_debug "Script completed successfully"
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