From af338de17f6bfed5160f35d5c0df84adac49df0e Mon Sep 17 00:00:00 2001
From: Pierre Goiffon <pierre.goiffon@combodo.com>
Date: Tue, 29 Jun 2021 10:14:47 +0200
Subject: [PATCH] :hammer: Changelog generation script

---
 .make/release/changelog.php | 77 +++++++++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)
 create mode 100644 .make/release/changelog.php

diff --git a/.make/release/changelog.php b/.make/release/changelog.php
new file mode 100644
index 000000000..bd76f9e7b
--- /dev/null
+++ b/.make/release/changelog.php
@@ -0,0 +1,77 @@
+<?php
+/**
+ * Usage :
+ * `php changelog.php 2.7.4`
+ *
+ * As argument is passed the git ref (tag name or sha1) we want to use as reference
+ *
+ * Outputs :
+ *
+ * 1. List of bugs as CSV :
+ * bug ref;link
+ * Example :
+ * <code>
+ * Bug_ref;Bug_URL;sha1
+ * 1234;https://support.combodo.com/pages/UI.php?operation=details&class=Bug&id=1234;949b213f9|b1ca1f263|a1271da74
+ * </code>
+ *
+ * 2. List of commits sha1/message without bug ref
+ * Example :
+ * <code>
+ * sha1;subject
+ * a6aa183e2;:bookmark: Prepare 2.7.5
+ * </code>
+ */
+
+
+if (count($argv) === 1) {
+	echo '⚠ You must pass the base tag/sha1 as parameter';
+	exit(1);
+}
+$sBaseReference = $argv[1];
+
+
+//--- Get log
+$sGitLogCommand = 'git log --decorate --pretty="%h;%s" --date-order --no-merges '.$sBaseReference.'..HEAD';
+$sGitLogRaw = shell_exec($sGitLogCommand);
+
+
+//--- Analyze log
+$aGitLogLines = preg_split('/\n/', trim($sGitLogRaw));;
+$aLogLinesWithBugRef = [];
+$aLogLineNoBug = [];
+foreach ($aGitLogLines as $sLogLine) {
+	$sBugRef = preg_match('/[nN]°(\d{3,4})/', $sLogLine, $aLineBugRef);
+	if (($sBugRef === false) || empty($aLineBugRef)) {
+		$aLogLineNoBug[] = $sLogLine;
+		continue;
+	}
+
+	$iBugId = $aLineBugRef[1];
+	$sSha = substr($sLogLine, 0, 9);
+
+	if (array_key_exists($iBugId, $aLogLinesWithBugRef)) {
+		$aBugShaRefs = $aLogLinesWithBugRef[$iBugId];
+		$aBugShaRefs[] = $sSha;
+		$aLogLinesWithBugRef[$iBugId] = $aBugShaRefs;
+	} else {
+		$aLogLinesWithBugRef[$iBugId] = [$sSha];
+	}
+}
+$aBugsList = array_keys($aLogLinesWithBugRef);
+sort($aBugsList, SORT_NUMERIC);
+
+
+//-- Output results
+echo "# Bugs included\n";
+echo "Bug_ref;Bug_URL;sha1\n";
+foreach ($aBugsList as $sBugRef) {
+	$sShaRefs = implode('|', $aLogLinesWithBugRef[$sBugRef]);
+	echo "{$sBugRef};https://support.combodo.com/pages/UI.php?operation=details&class=Bug&id={$sBugRef};$sShaRefs\n";
+}
+echo "\n";
+echo "# Logs line without bug referenced\n";
+echo "sha1;subject\n";
+foreach ($aLogLineNoBug as $sLogLine) {
+	echo "$sLogLine\n";
+}
\ No newline at end of file