From e30f9b8042bb657fd496c8c48fcc8cec29177446 Mon Sep 17 00:00:00 2001
From: Pierre-Yves Chibon <pingou@pingoured.fr>
Date: Oct 13 2017 14:00:47 +0000
Subject: Print out the URL to existing PR(s) or to create one in the default hook


With this commit, when you make a push it will print out the URLs you
can use to create a new PR or check out the existing/updated one.

Fixes https://pagure.io/pagure/issue/2556

Signed-off-by: Pierre-Yves Chibon <pingou@pingoured.fr>

---

diff --git a/pagure/hooks/files/default_hook.py b/pagure/hooks/files/default_hook.py
old mode 100755
new mode 100644
index d87a403..79754a1
--- a/pagure/hooks/files/default_hook.py
+++ b/pagure/hooks/files/default_hook.py
@@ -92,6 +92,39 @@ def run_as_post_receive_hook():
             print('/!\ Commit notification emails will not be sent and '
                   'commits won\'t be logged')
 
+        target_repo = project
+        if project.is_fork:
+            target_repo = project.parent
+
+        if commits and refname != default_branch\
+                and target_repo.settings.get('pull_requests', True):
+            print()
+            prs = pagure.lib.search_pull_requests(
+                pagure.SESSION,
+                project_id_from=project.id,
+                status='Open',
+                branch_from=refname,
+            )
+            # Link to existing PRs if there are any
+            seen = len(prs) != 0
+            for pr in prs:
+                print('View pull-request for %s' % refname)
+                print('   %s/%s/pull-request/%s' % (
+                    pagure.APP.config['APP_URL'].rstrip('/'),
+                    project.url_path,
+                    pr.id)
+                )
+            # If no existing PRs, provide the link to open one
+            if not seen:
+                print('Create a pull-request for %s' % refname)
+                print('   %s/%s/diff/%s..%s' % (
+                    pagure.APP.config['APP_URL'].rstrip('/'),
+                    project.url_path,
+                    default_branch,
+                    refname)
+                )
+            print()
+
     # Schedule refresh of all opened PRs
     pagure.lib.tasks.refresh_pr_cache.delay(project.name, namespace, username)
 
diff --git a/pagure/lib/__init__.py b/pagure/lib/__init__.py
index beba1af..9f54136 100644
--- a/pagure/lib/__init__.py
+++ b/pagure/lib/__init__.py
@@ -2417,7 +2417,7 @@ def get_colored_tag(session, tag, project_id):
 def search_pull_requests(
         session, requestid=None, project_id=None, project_id_from=None,
         status=None, author=None, assignee=None, count=False,
-        offset=None, limit=None, updated_after=None):
+        offset=None, limit=None, updated_after=None, branch_from=None):
     ''' Retrieve the specified issue
     '''
 
@@ -2499,6 +2499,11 @@ def search_pull_requests(
             model.User.user == author
         )
 
+    if branch_from is not None:
+        query = query.filter(
+            model.PullRequest.branch_from == branch_from
+        )
+
     if requestid:
         output = query.first()
     elif count: