Add examples

examples/create-branch.js

@@ -0,0 +1,21 @@
+var nodegit = require("../");
+var path = require("path");
+var Promise = require("nodegit-promise");
+var promisify = require("promisify-node");
+var fse = promisify(require("fs-extra"));
+
+nodegit.Repository.open(path.resolve(__dirname, "../.git"))
+  .then(function(repo) {
+    // Create a new branch on head
+    return repo.getHeadCommit()
+    .then(function(commit) {
+      return repo.createBranch(
+        "new-branch",
+        commit,
+        0,
+        repo.defaultSignature(),
+        "Created new-branch on HEAD");
+    })
+  }).done(function() {
+    console.log("All done!");
+  });

examples/index-add-and-remove.js

@@ -0,0 +1,134 @@
+var nodegit = require("../");
+var path = require("path");
+var Promise = require("nodegit-promise");
+var promisify = require("promisify-node");
+var fse = promisify(require("fs-extra"));
+
+nodegit.Repository.open(path.resolve(__dirname, "../.git"))
+  .then(function(repo) {
+    return repo.openIndex()
+    .then(function(index) {
+      var fileContent = {
+        newFile1: "this has some content",
+        newFile2: "and this will have more content"
+      };
+      var fileNames = Object.keys(fileContent);
+
+      return Promise.all(fileNames.map(function(fileName) {
+        fse.writeFile(
+          path.join(repo.workdir(), fileName), fileContent[fileName]);
+      }))
+
+
+
+        // This will add all files to the index
+      .then(function() {
+        return index.addAll();
+      })
+      .then(function() {
+        var newFiles = index.entries().filter(function(entry) {
+          return ~fileNames.indexOf(entry.path);
+        });
+
+        console.log(
+          "\n-------------------\n" +
+          "Added files: " +
+          "\n-------------------\n");
+        newFiles.forEach(function(entry) {
+          console.log(entry.path);
+        });
+      })
+      .then(function() {
+        // This will remove the files from the index
+        return index.removeAll("newFile*");
+      })
+      .then(function() {
+        var newFiles = index.entries().filter(function(entry) {
+          return ~fileNames.indexOf(entry.path);
+        });
+
+        console.log("New files in index: " + newFiles.length);
+      })
+
+
+
+      // We can also provide a pattern to add files to the index
+      .then(function() {
+        return index.addAll("newFile*");
+      })
+      .then(function() {
+        var newFiles = index.entries().filter(function(entry) {
+          return ~fileNames.indexOf(entry.path);
+        });
+
+        console.log(
+          "\n-------------------\n" +
+          "Added files with pattern: " +
+          "\n-------------------\n");
+        newFiles.forEach(function(entry) {
+          console.log(entry.path);
+        });
+      })
+      .then(function() {
+        // We're also using the pattern in the remove
+        return index.removeAll("newFile*");
+      })
+      .then(function() {
+        var newFiles = index.entries().filter(function(entry) {
+          return ~fileNames.indexOf(entry.path);
+        });
+
+        console.log("New files in index: " + newFiles.length);
+      })
+
+
+
+      // Callbacks can be used for a finer degree of control over what
+      // we add to the index
+      .then(function() {
+        return index.addAll(
+          "newFile*",
+          nodegit.Index.ADD_OPTION.ADD_CHECK_PATHSPEC,
+          function(path, matchedPattern) {
+            if (path == "newFile1") {
+              return 0; // add the file
+            }
+
+            return 1; // skip the file
+          });
+      })
+      .then(function() {
+        var newFiles = index.entries().filter(function(entry) {
+          return ~fileNames.indexOf(entry.path);
+        });
+
+        console.log(
+          "\n-------------------\n" +
+          "Added files with callback: " +
+          "\n-------------------\n");
+        newFiles.forEach(function(entry) {
+          console.log(entry.path);
+        });
+      })
+      .then(function() {
+        // Lets use a callback in the remove as well
+        return index.removeAll(null, function(path) {
+          if (~path.indexOf("newFile")) {
+            return 0; // remove the file
+          }
+
+          return 1; // don't remove the file
+        });
+      })
+      .then(function() {
+        var newFiles = index.entries().filter(function(entry) {
+          return ~fileNames.indexOf(entry.path);
+        });
+
+        console.log("Total: " + index.entries().length);
+        console.log("New files in index: " + newFiles.length);
+      });
+    });
+  }).done(function() {
+    console.log("All done!");
+  });

examples/push.js

@@ -60,7 +60,11 @@ fse.remove(path.resolve(__dirname, repoDir))
       });
 
       // Create the push object for this remote
-      return nodegit.Push.create(remote)
+      return remote.push(
+        ["refs/heads/master:refs/heads/master"],
+        null,
+        repository.defaultSignature(),
+        "Push to master")
       .then(function(pushResult) {
         push = pushResult;
 

examples/walk-history-for-file.js

@@ -0,0 +1,52 @@
+var nodegit = require("../"),
+    path = require("path");
+
+// This code walks the history of the master branch and prints results
+// that look very similar to calling `git log` from the command line
+
+nodegit.Repository.open(path.resolve(__dirname, "../.git"))
+  .then(function(repo) {
+    return repo.getMasterCommit();
+  })
+  .then(function(firstCommitOnMaster){
+    // History returns an event.
+    var history = firstCommitOnMaster.history(nodegit.Revwalk.SORT.Time);
+    var commits = [];
+
+    // History emits "commit" event for each commit in the branch's history
+    history.on("commit", function(commit) {
+      return commit.getDiff()
+      .then(function(diffList) {
+        var addCommit = diffList.reduce(function(prevVal, diff) {
+          var result = prevVal || diff.patches().reduce(function(prevValDiff, patch) {
+            var result =
+              prevValDiff ||
+              !!~patch.oldFile().path().indexOf("descriptor.json") ||
+              !!~patch.newFile().path().indexOf("descriptor.json");
+
+            return result;
+          }, false);
+
+          return result;
+        }, false);
+
+        if (addCommit) {
+          commits.push(commit);
+        }
+      });
+    });
+
+    history.on("end", function() {
+      commits.forEach(function(commit) {
+        console.log("commit " + commit.sha());
+        console.log("Author:", commit.author().name() +
+          " <" + commit.author().email() + ">");
+        console.log("Date:", commit.date());
+        console.log("\n    " + commit.message());
+      });
+    });
+
+    // Don't forget to call `start()`!
+    history.start();
+  })
+  .done();