tools, feat: automatically generate changelog.

tools/changelog.js

@@ -0,0 +1,97 @@
+var path = require('path');
+
+process.chdir(path.join(__dirname, '..'));
+
+var describe = process.open('git', ['describe']).readLines();
+var info = (/^(v[\d\.]+)-(\d+)-g([a-f\d]+)/g).exec(describe);
+
+var logs = process.open('git', [
+    'log',
+    '--pretty=format:%H-%s(%an)',
+    '-' + (new Number(info[2] - 1))
+]).readLines();
+
+var commits = [];
+var changes = {};
+
+logs.forEach(log => {
+    var log_info = /^([a-f\d]+)-\s*(([^\,\:]*)(\s*,\s*([^\:]*))?\s*:)?\s*(.*)$/.exec(log);
+
+    var hash = log_info[1].substr(0, 10);
+    var module = log_info[3];
+    var type = log_info[5];
+    var type = '';
+
+    if (log_info[3]) {
+        if (log_info[5])
+            type = `**${log_info[3]}, ${log_info[5]}**: `;
+        else
+            type = `**${log_info[3]}**: `;
+    } else
+        log_info[3] = '~';
+
+    var group;
+    if (log_info[5]) {
+        group = changes[log_info[5]];
+        if (group === undefined)
+            group = changes[log_info[5]] = {};
+    } else {
+        group = changes['others'];
+        if (group === undefined)
+            group = changes['others'] = {};
+    }
+
+    var module = group[log_info[3]];
+    if (module === undefined)
+        module = group[log_info[3]] = [];
+
+    module.push(log_info[6]);
+
+    commits.push(`* [[\`${hash}\`](https://github.com/fibjs/fibjs/commit/${hash})] - ${type}${log_info[6]}`);
+});
+
+
+function out_changes(key, name) {
+    if (name === undefined)
+        name = key;
+
+    var group = changes[key];
+
+    if (group === undefined)
+        return;
+
+    console.log(`* **${name}** :`);
+
+    var keys = Object.keys(group);
+
+    keys.sort((a, b) => {
+        return a.toLowerCase() > b.toLowerCase() ? 1 : -1;
+    });
+
+    keys.forEach(k => {
+        var chgs = group[k];
+        if (k === '~') {
+            console.log(`    * ` + chgs.join('\n    * '));
+        } else {
+            if (chgs.length === 1)
+                console.log(`    * ${k} - ${chgs[0]}`);
+            else
+                console.log(`    * ${k}:\n      - ` + chgs.join('\n      - '));
+        }
+    });
+
+    console.log();
+
+    delete changes[key];
+}
+
+out_changes('feat', 'feature');
+out_changes('break', 'breakchange');
+out_changes('bugfix');
+out_changes('refactor');
+
+for (var k in changes)
+    out_changes(k, k);
+
+console.log("### Commits");
+console.log(commits.join('\n'));