Add support for the "support_tags" command when running with no hooks…

lib/git/commands.js

@@ -1,4 +1,5 @@
 var exec = require('child_process').exec;
+var execSync = require('child_process').execSync;
 
 var logger = require('../logging.js');
 
@@ -24,6 +25,18 @@ var run_command = function(cmd, cwd, cb) {
   });
 };
 
+var run_command_sync = function(cmd, cwd, cb) {
+  logger.trace('Running synchronously %s in %s', cmd, cwd);
+  try {
+    var stdout = execSync(cmd, {cwd: cwd});
+    if (stdout.length > 0) logger.trace("stdout:\n" + stdout);
+    cb(null, stdout);
+  }
+  catch(err) {
+    cb(new Error(err));
+  }
+};
+
 exports.init = function(cwd, cb) {
   run_command('git init', cwd, cb);
 };
@@ -72,6 +85,18 @@ exports.extractTags = function (repo_url, cwd, cb) {
   });
 }
 
+exports.extractTagsSync = function (repo_url, cwd, cb) {
+  run_command_sync('git ls-remote --tags' + ' ' + repo_url, cwd, function (err, output) {
+    var extracted_tags = [];
+    var one_tag;
+    var tag_regex = /refs\/tags\/(.*)\^\{\}/ig;
+    while ((one_tag = tag_regex.exec(output)) !== null) {
+      extracted_tags.push(one_tag[1]);
+    }
+    cb(null, extracted_tags)
+  });
+}
+
 var fixup_path = function(path) {
   if ((path.charAt(0) === '"') && (path.charAt(path.length-1) === '"')) {
     path = path.substring(1, path.length-1);

lib/git/repo.js

@@ -66,6 +66,21 @@ function Repo(repo_config) {
     // TODO: Switch to passing in the repo, not the repo_config.
     branches[branch] = new Branch(repo_config, branch);
   });
+
+  if (repo_config.support_tags === true) {
+    git_commands.extractTagsSync(this_obj.url, this_obj.repo_config.local_store, function (err, tags) {
+      if (err) throw new Error(err)
+
+      var new_tags = tags.filter(function (tag) {
+        return this_obj.branch_names.indexOf(tag) < 0
+      });
+
+      new_tags.forEach(function (tag_name) {
+        this_obj.branches[tag_name] = new Branch(repo_config, tag_name);
+        this_obj.branch_names.push(tag_name);
+      });
+    });
+  }
 }
 
 Repo.prototype.getBranch = function(branch_name) {

test/git2consul_support_tags_test.js

@@ -0,0 +1,48 @@
+var should = require('should');
+var _ = require('underscore');
+
+// We want this above any git2consul module to make sure logging gets configured
+require('./git2consul_bootstrap_test.js');
+
+var git = require('../lib/git');
+var git_utils = require('./utils/git_utils.js');
+var consul_utils = require('./utils/consul_utils.js');
+
+var git_commands = require('../lib/git/commands.js');
+
+describe('Support tags', function() {
+  it ('should populate consul with the sample key/value pair under master and the tag', function(done) {
+    var repo_config = git_utils.createRepoConfig();
+    repo_config.support_tags = true;
+
+    git_commands.init(git_utils.TEST_REMOTE_REPO, function(err) {
+      if (err) return done(err);
+
+      var sample_key = 'readme.md';
+      var sample_value = 'stub data';
+      git_utils.addFileToGitRepo(sample_key, sample_value, "Stub commit.", function(err) {
+        if (err) return done(err);
+
+        git_utils.addTagToGitRepo("v0.1", "v0.1", function(err) {
+          if (err) return done(err);
+          var config = {
+            repos: [repo_config],
+            local_store: git_utils.TEST_WORKING_DIR,
+            no_daemon: true
+          };
+
+          // Now, create a repo. The repo should populate consul with the proper values.
+          git.createRepos(config, function(err) {
+            consul_utils.validateValue(repo_config.name + '/' + 'master' + '/' + sample_key, sample_value, function(err, value) {
+              consul_utils.validateValue(repo_config.name + '/' + 'v0.1' + '/' + sample_key, sample_value, function(err, value) {
+                if (err) return done(err);
+                (undefined === err).should.equal(true);
+                done();
+              });
+            });
+          });
+        });
+      });
+    });
+  });
+});

test/utils/git_utils.js

@@ -112,3 +112,10 @@ exports.symlinkFileInGitRepo = function(link, referrent, commit_message, cb) {
   });
 
 };
+
+exports.addTagToGitRepo = function(tag, commit_message, cb) {
+  git_commands.tag(tag, commit_message, git_utils.TEST_REMOTE_REPO, function (err) {
+      if (err) return cb(err);
+      cb();
+  });
+}