Use GPG key name/email as default values (#13)

.github/test-key.pgp

@@ -0,0 +1,106 @@
+-----BEGIN PGP PRIVATE KEY BLOCK-----
+
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+=WbwB
+-----END PGP PRIVATE KEY BLOCK-----

.github/workflows/ci.yml

@@ -24,6 +24,13 @@ jobs:
       -
         name: Checkout
         uses: actions/checkout@v2
+      -
+        name: Read test env variable
+        uses: pCYSl5EDgo/cat@master
+        id: test-key
+        with:
+          path: ./.github/test-key.pgp
+
       -
         name: Import GPG private key
         id: import_gpg
@@ -36,8 +43,8 @@ jobs:
           git_committer_name: Joe Tester
           git_committer_email: joe@foo.bar
         env:
-          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY_TEST }}
+          GPG_PRIVATE_KEY: ${{ steps.test-key.outputs.text }}
-          PASSPHRASE: ${{ secrets.PASSPHRASE_TEST }}
+          PASSPHRASE: 'with stupid passphrase'
       -
         name: GPG user IDs
         run: |

README.md

@@ -123,8 +123,8 @@ Following inputs can be used as `step.with` keys
 | `git_commit_gpgsign` :pushpin:       | Bool    | Sign all commits automatically. (default `false`) |
 | `git_tag_gpgsign` :pushpin:          | Bool    | Sign all tags automatically. (default `false`) |
 | `git_push_gpgsign` :pushpin:         | Bool    | Sign all pushes automatically. (default `false`) |
-| `git_committer_name` :pushpin:       | String  | Set commit author's name (default [GITHUB_ACTOR](https://help.github.com/en/github/automating-your-workflow-with-github-actions/using-environment-variables#default-environment-variables) or `github-actions`) |
+| `git_committer_name` :pushpin:       | String  | Set commit author's name (defaults to the name associated with the GPG key) |
-| `git_committer_email` :pushpin:      | String  | Set commit author's email (default `<committer_name>@users.noreply.github.com`) |
+| `git_committer_email` :pushpin:      | String  | Set commit author's email (defaults to the email address associated with the GPG key) |
 
 > :pushpin: `git_user_signingkey` needs to be enabled for these inputs to be used.
 
@@ -137,6 +137,7 @@ Following outputs are available
 | `fingerprint` | String  | Fingerprint of the GPG key (recommended as [user ID](https://www.gnupg.org/documentation/manuals/gnupg/Specify-a-User-ID.html)) |
 | `keyid`       | String  | Low 64 bits of the X.509 certificate SHA-1 fingerprint |
 | `email`       | String  | Email address associated with the GPG key |
+| `name`       | String  | Name associated with the GPG key |
 
 ### environment variables
 

src/main.ts

@@ -15,8 +15,8 @@ async function run(): Promise<void> {
     const git_commit_gpgsign = /true/i.test(core.getInput('git_commit_gpgsign'));
     const git_tag_gpgsign = /true/i.test(core.getInput('git_tag_gpgsign'));
     const git_push_gpgsign = /true/i.test(core.getInput('git_push_gpgsign'));
-    const git_committer_name: string = core.getInput('git_committer_name') || process.env['GITHUB_ACTOR'] || 'github-actions';
+    const git_committer_name: string = core.getInput('git_committer_name');
-    const git_committer_email: string = core.getInput('git_committer_email') || `${git_committer_name}@users.noreply.github.com`;
+    const git_committer_email: string = core.getInput('git_committer_email');
 
     core.info('📣 GnuPG info');
     const version = await gpg.getVersion();
@@ -58,19 +58,23 @@ async function run(): Promise<void> {
     core.setOutput('fingerprint', privateKey.fingerprint);
     core.setOutput('keyid', privateKey.keyID);
     core.setOutput('email', privateKey.email);
+    core.setOutput('name', privateKey.name);
 
     if (git_user_signingkey) {
       core.info('🔐 Setting GPG signing keyID for this Git repository');
       await git.setConfig('user.signingkey', privateKey.keyID);
 
+      const user_email = git_committer_email || privateKey.email
+      const user_name = git_committer_name || privateKey.name
+
       if (git_committer_email != privateKey.email) {
         core.setFailed('Committer email does not match GPG key user address');
         return;
       }
 
-      core.info(`🔨 Configuring Git committer (${git_committer_name} <${git_committer_email}>)`);
+      core.info(`🔨 Configuring Git committer (${user_name} <${user_email}>)`);
-      await git.setConfig('user.name', git_committer_name);
+      await git.setConfig('user.name', user_name);
-      await git.setConfig('user.email', git_committer_email);
+      await git.setConfig('user.email', user_email);
 
       if (git_commit_gpgsign) {
         core.info('💎 Sign all commits automatically');