feat: add --git-client to explicitly set the type of forge (#106)

codeberg is running Forgejo and it may not be possible to infer that
from the URL alone. The same is true for GitHub Enterprise Server.

src/service/args/args-parser.ts

@@ -27,6 +27,7 @@ export default abstract class ArgsParser {
       dryRun: this.getOrDefault(args.dryRun, false),
       auth: this.getOrDefault(args.auth),
       folder: this.getOrDefault(args.folder),
+      gitClient: this.getOrDefault(args.gitClient),
       gitUser: this.getOrDefault(args.gitUser),
       gitEmail: this.getOrDefault(args.gitEmail),
       title: this.getOrDefault(args.title),

src/service/args/args.types.ts

@@ -8,6 +8,7 @@ export interface Args {
   dryRun?: boolean, // if enabled do not push anything remotely
   auth?: string, // git service auth, like github token
   folder?: string, // local folder where the repositories should be cloned
+  gitClient?: string, // git client
   gitUser?: string, // local git user, default 'GitHub'
   gitEmail?: string, // local git email, default 'noreply@github.com'
   title?: string, // backport pr title, default original pr title prefixed by target branch

src/service/args/cli/cli-args-parser.ts

@@ -14,6 +14,7 @@ export default class CLIArgsParser extends ArgsParser {
       .option("-pr, --pull-request <pr-url>", "pull request url, e.g., https://github.com/kiegroup/git-backporting/pull/1")
       .option("-d, --dry-run", "if enabled the tool does not create any pull request nor push anything remotely")
       .option("-a, --auth <auth>", "git authentication string, if not provided fallback by looking for existing env variables like GITHUB_TOKEN")
+      .option("--git-client <github|gitlab|codeberg>", "git client type, if not set it is infered from --pull-request")
       .option("-gu, --git-user <git-user>", "local git user name, default is 'GitHub'")
       .option("-ge, --git-email <git-email>", "local git user email, default is 'noreply@github.com'")
       .option("-f, --folder <folder>", "local folder where the repo will be checked out, e.g., /tmp/folder")
@@ -49,6 +50,7 @@ export default class CLIArgsParser extends ArgsParser {
         pullRequest: opts.pullRequest,
         targetBranch: opts.targetBranch,
         folder: opts.folder,
+        gitClient: opts.gitClient,
         gitUser: opts.gitUser,
         gitEmail: opts.gitEmail,
         title: opts.title,

src/service/args/gha/gha-args-parser.ts

@@ -18,6 +18,7 @@ export default class GHAArgsParser extends ArgsParser {
         pullRequest: getInput("pull-request"),
         targetBranch: getInput("target-branch"),
         folder: getOrUndefined(getInput("folder")),
+        gitClient: getOrUndefined(getInput("git-client")),
         gitUser: getOrUndefined(getInput("git-user")),
         gitEmail: getOrUndefined(getInput("git-email")),
         title: getOrUndefined(getInput("title")),

src/service/runner/runner.ts

@@ -60,7 +60,12 @@ export default class Runner {
     }
 
     // 2. init git service
-    const gitClientType: GitClientType = inferGitClient(args.pullRequest);
+    let gitClientType: GitClientType;
+    if (args.gitClient === undefined) {
+      gitClientType = inferGitClient(args.pullRequest);
+    } else {
+      gitClientType = args.gitClient as GitClientType;
+    }
     // the api version is ignored in case of github
     const apiUrl = inferGitApiUrl(args.pullRequest, gitClientType === GitClientType.CODEBERG ? "v1" : undefined);
     const token = this.fetchToken(args, gitClientType);