Catch exceptions and display errors when needed

hggithub.py

@@ -70,16 +70,7 @@ def _ghclone(path_url, destination):
     update_hgrc(destination)
 
 
-@command("ghclone", [], _("git_path working_directory"), norepo=True)
-def ghclone(ui, git_url, working_directory, **opts):
-    """Prepare working directory to work with github"""
-    _ghclone(git_url, working_directory)
-
-
-@command("ghpull", [], _(""))
-def ghpull(ui, repo, **opts):
-    """Prepare working directory to work with github"""
-    git_repo = ui.config("gitrepo", "gitrepo")
+def _ghpull(git_repo):
     cmd(
         "Fetching remote Git repository",
         ["git", "fetch", "-q", "origin", "master:master"],
@@ -89,12 +80,10 @@ def ghpull(ui, repo, **opts):
     cmd("Publishing master bookmark", ["hg", "phase", "-p", "master"])
 
 
-@command("ghpush", [], _("bookmark"))
-def ghpush(ui, repo, bookmark, **opts):
-    """Prepare working directory to work with github"""
-    git_repo = ui.config("gitrepo", "gitrepo")
+def _ghpush(git_repo, bookmark):
     cmd(
-        "Pushing bookmark to local Git repository", ["hg", "push", "-B", bookmark, "-f"]
+        "Pushing bookmark to local Git repository",
+        ["hg", "push", "-B", bookmark, "-f"],
     )
     # TODO use --force-with-lease if possible
     cmd(
@@ -102,3 +91,34 @@ def ghpush(ui, repo, bookmark, **opts):
         ["git", "push", "--set-upstream", "origin", bookmark, "-f"],
         cwd=git_repo,
     )
+
+
+@command("ghclone", [], _("git_path working_directory"), norepo=True)
+def ghclone(ui, git_url, working_directory, **opts):
+    """Prepare working directory to work with github"""
+    try:
+        _ghclone(git_url, working_directory)
+    except CalledProcessError:
+        pass
+    except ValueError as ex:
+        print(ex)
+
+
+@command("ghpull", [], _(""))
+def ghpull(ui, repo, **opts):
+    """Prepare working directory to work with github"""
+    git_repo = ui.config("gitrepo", "gitrepo")
+    try:
+        _ghpull(git_repo)
+    except CalledProcessError:
+        pass
+
+
+@command("ghpush", [], _("bookmark"))
+def ghpush(ui, repo, bookmark, **opts):
+    """Prepare working directory to work with github"""
+    git_repo = ui.config("gitrepo", "gitrepo")
+    try:
+        _ghpush(git_repo, bookmark)
+    except CalledProcessError:
+        pass