Dump git-log to change-log

lib/changelog.js

@@ -1,6 +1,7 @@
 const {Transform} = require("stream");
 
 var entry;
+var blocked = new Map();
 
 function nextLine(t) {
 	var offset = t.buffer.indexOf("\n");
@@ -31,19 +32,22 @@ process.stdin.pipe(
 		}
 	})
 	.on("line", function(line) {
-		if (line.startsWith("commit")) {
+		if (/^commit\s+([0-9a-f]*)/.test(line)) {
 			if (entry && entry.length > 2) this.push(entry.join(""));
-			entry = undefined;
-		} else if (/^Date:\s+(.*)$/.test(line))
-			entry = ["# " + RegExp.$1 + "\n"];
+			if (blocked.get(RegExp.$1)) entry = undefined;
+			else entry = [];
+		} else if (entry && /^Date:\s+(.*)$/.test(line))
+			entry.push("# " + RegExp.$1 + "\n");
 		else if (entry && /^\s+\S/.test(line)) {
 			if (entry.length === 1)
 				entry.push("");
 			else if (entry.length === 2) {
-				if (!/^\s+CHANGELOG\s*$/.test(line))
+				if (!/^\s+CHANGELOG(\s+([0-9a-f]*))?\s*$/.test(line))
 					entry = undefined;
-				else
+				else {
+					blocked.set(RegExp.$2, true);
 					entry.push("");
+				}
 			} else
 				entry.push(line.replace(/^\s*/, "") + "\n");
 		}

test/gitlog.txt

@@ -24,12 +24,21 @@ Date:   Thu Sep 16 17:24:48 2021 +0200
 
     Temporal vocabulary (#146)
 
-commit 122dff83ef4f139e3361e5af557519c898ee81bd
+commit 122dff93ef4f139e3361e5af557519c898ee81bd
 Author: Ralf Handl <ralf.handl@sap.com>
 Date:   Thu Sep 16 17:19:01 2021 +0200
 
      Temporal: example for timeline with object key (#154)
 
-    CHANGELOG
+    CHANGELOG 122dff73ef4f139e3361e5af557519c898ee81bd
     New vocabulary
 
+commit 122dff73ef4f139e3361e5af557519c898ee81bd
+Author: Ralf Handl <ralf.handl@sap.com>
+Date:   Thu Sep 16 17:19:01 2021 +0200
+
+     Temporal: example for timeline with object key (#154)
+
+    CHANGELOG
+    New vocabularie
+