Add input options related to copy() (#161)

* Add absolute_build_dir input option

This commit adds absolute_build_dir as an additional input. If the
option is set, the provided build_dir argument won't be treated as a
relative path to the current working directory anymore. This is helpful
in environments like Nix, where the build is output to a static folder
(for example /nix/store).

Closes #159.

* Add follow_symlinks option

This option allows symbolic links in the source directory to be
followed, recursively copying the entire directory structure.

* Update outputs

* Add missing inputs to action.yml

* Add default values to input options

This concerns absolute_build_dir and follow_symlinks.

Co-authored-by: CrazyMax <github@crazymax.dev>

Co-authored-by: CrazyMax <github@crazymax.dev>

README.md

@@ -132,6 +132,8 @@ Following inputs can be used as `step.with` keys
 | `keep_history`       | Bool    | Create incremental commit instead of doing push force (default `false`)        |
 | `allow_empty_commit` | Bool    | Allow an empty commit to be created (default `true`)                           |
 | `build_dir`          | String  | Build directory to deploy (**required**)                                       |
+| `absolute_build_dir` | Bool    | Whether to treat `build_dir` as an absolute path (defaults to `false`, making it relative to the working directory) |
+| `follow_symlinks`    | Bool    | If enabled, the content of symbolic links will be copied (default `false`)     |
 | `committer`          | String  | Committer name and email address as `Display Name <joe@foo.bar>` (defaults to the GitHub Actions bot user) |
 | `author`             | String  | Author name and email address as `Display Name <joe@foo.bar>` (defaults to the GitHub Actions bot user) |
 | `commit_message`     | String  | Commit message (default `Deploy to GitHub pages`)                              |

action.yml

@@ -29,6 +29,14 @@ inputs:
   build_dir:
     description: 'Build directory to deploy'
     required: true
+  absolute_build_dir:
+    description: 'Whether to treat build_dir as an absolute path'
+    default: 'false'
+    required: false
+  follow_symlinks:
+    description: 'If enabled, the content of symbolic links will be copied'
+    default: 'false'
+    required: false
   committer:
     description: 'The committer name and email address'
     required: false

src/main.ts

@@ -14,6 +14,8 @@ async function run() {
     const keepHistory: boolean = /true/i.test(core.getInput('keep_history'));
     const allowEmptyCommit: boolean = /true/i.test(core.getInput('allow_empty_commit'));
     const buildDir: string = core.getInput('build_dir', {required: true});
+    const absoluteBuildDir: boolean = /true/i.test(core.getInput('absolute_build_dir'));
+    const followSymlinks: boolean = /true/i.test(core.getInput('follow_symlinks'));
     const committer: string = core.getInput('committer') || git.defaults.committer;
     const author: string = core.getInput('author') || git.defaults.author;
     const commitMessage: string = core.getInput('commit_message') || git.defaults.message;
@@ -63,7 +65,8 @@ async function run() {
 
     let copyCount = 0;
     await core.group(`Copying ${path.join(currentdir, buildDir)} to ${tmpdir}`, async () => {
-      await copy(path.join(currentdir, buildDir), tmpdir, {
+      const sourcePath = absoluteBuildDir ? buildDir : path.join(currentdir, buildDir);
+      await copy(sourcePath, tmpdir, {
         filter: (src, dest) => {
           if (verbose) {
             core.info(`${src} => ${dest}`);
@@ -75,7 +78,8 @@ async function run() {
             copyCount++;
           }
           return true;
-        }
+        },
+        dereference: followSymlinks
       }).catch(error => {
         core.error(error);
       });