feat: path input

Author: gr2m

index.js

@@ -37,16 +37,23 @@ async function main() {
       title: core.getInput("title"),
       body: core.getInput("body"),
       branch: core.getInput("branch"),
+      path: core.getInput("path"),
       commitMessage: core.getInput("commit-message"),
       author: core.getInput("author")
     };
 
     core.debug(`Inputs: ${inspect(inputs)}`);
 
-    const { hasChanges, hasUncommitedChanges } = await getLocalChanges();
+    const { hasChanges, hasUncommitedChanges } = await getLocalChanges(
+      inputs.path
+    );
 
     if (!hasChanges) {
-      core.info("No local changes");
+      if (inputs.path) {
+        core.info(`No local changes matchin "${inputs.path}"`);
+      } else {
+        core.info("No local changes");
+      }
       process.exit(0); // there is currently no neutral exit code
     }
 
@@ -70,10 +77,16 @@ async function main() {
         });
       }
 
-      core.debug(`Comitting local changes`);
-      await command("git add .", { shell: true });
+      if (inputs.path) {
+        core.debug(`Committing local changes matching "${inputs.path}"`);
+        await command(`git add "${inputs.path}"`, { shell: true });
+      } else {
+        core.debug(`Committing all local changes`);
+        await command("git add .", { shell: true });
+      }
+
       await command(
-        `git commit -a -m "${inputs.commitMessage}" --author "${inputs.author}"`,
+        `git commit -m "${inputs.commitMessage}" --author "${inputs.author}"`,
         { shell: true }
       );
     } else {
@@ -84,12 +97,11 @@ async function main() {
     const remoteBranchExists = await checkOutRemoteBranch(inputs.branch);
 
     core.debug(`Pushing local changes`);
-    const { stdout: pushStdOut, stderr: pushStdErr } = await command(
+    await command(
       `git push -f https://x-access-token:${process.env.GITHUB_TOKEN}@github.com/${process.env.GITHUB_REPOSITORY}.git HEAD:refs/heads/${inputs.branch}`,
       { shell: true }
     );
 
-    // no idea why the `git push` output goes into stderr. Checking in both just in case.
     if (remoteBranchExists) {
       core.info(`Existing pull request for "${inputs.branch}" updated`);
       return;
@@ -115,8 +127,10 @@ async function main() {
   }
 }
 
-async function getLocalChanges() {
-  const { stdout } = await command("git status", { shell: true });
+async function getLocalChanges(path) {
+  const { stdout } = await command(`git status ${path || "*"}`, {
+    shell: true
+  });
 
   if (/Your branch is up to date/.test(stdout)) {
     return;
@@ -162,16 +176,27 @@ async function setGitUser({ name, email }) {
 
 async function checkOutRemoteBranch(branch) {
   try {
+    const { stdout } = await command(`git rev-parse --abbrev-ref HEAD`, {
+      shell: true
+    });
+
+    if (stdout === branch) {
+      core.info(`Already in "${branch}".`);
+      return true;
+    }
+
     await command(
       `git fetch https://x-access-token:${process.env.GITHUB_TOKEN}@github.com/${process.env.GITHUB_REPOSITORY}.git ${branch}:${branch}`,
       { shell: true }
     );
+
     await command(`git checkout ${branch}`, { shell: true });
     core.info(`Remote branch "${branch}" checked out locally.`);
-    await command(`git rebase -Xtheirs -`, { shell: true });
+    await command(`git rebase -Xtheirs --autostash -`, { shell: true });
     return true;
   } catch (error) {
     core.info(`Branch "${branch}" does not yet exist on remote.`);
+    await command(`git checkout -b ${branch}`, { shell: true });
     return false;
   }
 }