When cloning a repo where contributions go through a fork, configure …

…that checkout to use the fork and to pull from upstream main.

jaraco/develop/git.py

@@ -145,11 +145,26 @@ def target_for_root(project, root: path.Path = path.Path()):
     return root / prefix
 
 
+def configure_fork(project, repo):
+    if 'fork' not in project.tags:
+        return
+    cmd = ['gh', 'repo', 'fork', '--remote']
+    subprocess.check_call(cmd, cwd=repo)
+    cmd = ['git', 'config', '--local', 'branch.main.remote', 'upstream']
+    subprocess.check_call(cmd, cwd=repo)
+    cmd = ['git', 'remote', 'get-url', 'origin']
+    origin = subprocess.check_output(cmd, cwd=repo)
+    cmd = ['git', 'remote', 'set-url', '--push', 'upstream', origin]
+    subprocess.check_output(cmd, cwd=repo)
+
+
 def checkout(project, target: path.Path = path.Path()):
     url = resolve(project)
     cmd = ['git', '-C', target, 'clone', url]
     subprocess.check_call(cmd)
-    return target / posixpath.basename(project)
+    repo = target / posixpath.basename(project)
+    configure_fork(project, repo)
+    return repo
 
 
 def projects():

jaraco/develop/projects.txt

@@ -95,19 +95,19 @@ compilers
 jaraco.pghfreethought
 multipy-tox
 skeleton
-/martinvonz/jj
+/martinvonz/jj [fork]
 /pypa/distutils
 /cherrypy/cherrypy
 /cherrypy/cheroot
-/python/cpython
-/python/bedevere
-/python/devguide
-/xonsh/xonsh
-/jsonpickle/jsonpickle
-/StefanScherer/windows-docker-machine
-/pypa/pep517
+/python/cpython [fork]
+/python/bedevere [fork]
+/python/devguide [fork]
+/xonsh/xonsh [fork]
+/jsonpickle/jsonpickle [fork]
+/StefanScherer/windows-docker-machine [fork]
+/pypa/pep517 [fork]
 /pypa/twine
-/pypa/setuptools_scm
-/pypa/packaging
-/pypa/get-pip
-/pypa/pip
+/pypa/setuptools_scm [fork]
+/pypa/packaging [fork]
+/pypa/get-pip [fork]
+/pypa/pip [fork]