[REF] runbot: store the target branch name

In the case of PR, the name contains 'refs/pull/3175', the branch_name
contains '3175' and because of the previous fix e095170f8c, the
pull_head_name sontains something like 'blah:12.0-something'.

In that case, the _get_closest_branch_name reaches the fallback.

With this commit, the target_branch_name is stored in a new field and is
used as the fallback.

runbot/__manifest__.py

@@ -6,7 +6,7 @@
     'author': "Odoo SA",
     'website': "http://runbot.odoo.com",
     'category': 'Website',
-    'version': '2.3',
+    'version': '2.4',
     'depends': ['website', 'base'],
     'data': [
         'security/runbot_security.xml',

runbot/models/branch.py

@@ -16,9 +16,10 @@ class runbot_branch(models.Model):
 
     repo_id = fields.Many2one('runbot.repo', 'Repository', required=True, ondelete='cascade')
     name = fields.Char('Ref Name', required=True)
-    branch_name = fields.Char(compute='_get_branch_name', type='char', string='Branch', readonly=1, store=True)
+    branch_name = fields.Char(compute='_get_branch_infos', string='Branch', readonly=1, store=True)
-    branch_url = fields.Char(compute='_get_branch_url', type='char', string='Branch url', readonly=1)
+    branch_url = fields.Char(compute='_get_branch_infos', string='Branch url', readonly=1)
-    pull_head_name = fields.Char(compute='_get_pull_head_name', type='char', string='PR HEAD name', readonly=1, store=True)
+    pull_head_name = fields.Char(compute='_get_branch_infos', string='PR HEAD name', readonly=1, store=True)
+    target_branch_name = fields.Char(compute='_get_branch_infos', string='PR target branch', readonly=1, store=True)
     sticky = fields.Boolean('Sticky')
     coverage = fields.Boolean('Coverage')
     coverage_result = fields.Float(compute='_get_last_coverage', type='Float', string='Last coverage', store=False)
@@ -28,21 +29,21 @@ class runbot_branch(models.Model):
     priority = fields.Boolean('Build priority', default=False)
 
     @api.depends('name')
-    def _get_branch_name(self):
+    def _get_branch_infos(self):
-        """compute the branch name based on ref name"""
+        """compute branch_name, branch_url, pull_head_name and target_branch_name based on name"""
         for branch in self:
             if branch.name:
                 branch.branch_name = branch.name.split('/')[-1]
-
-    @api.depends('branch_name')
-    def _get_branch_url(self):
-        """compute the branch url based on branch_name"""
-        for branch in self:
-            if branch.name:
                 if re.match('^[0-9]+$', branch.branch_name):
                     branch.branch_url = "https://%s/pull/%s" % (branch.repo_id.base, branch.branch_name)
                 else:
                     branch.branch_url = "https://%s/tree/%s" % (branch.repo_id.base, branch.branch_name)
+                pi = self._get_pull_info()
+                if pi:
+                    branch.target_branch_name = pi['base']['ref']
+                    if not _re_patch.match(pi['head']['label']):
+                        # label is used to disambiguate PR with same branch name
+                        branch.pull_head_name = pi['head']['label']
 
     def _get_pull_info(self):
         self.ensure_one()
@@ -67,15 +68,6 @@ class runbot_branch(models.Model):
         vals.setdefault('coverage', _re_coverage.search(vals.get('name') or '') is not None)
         return super(runbot_branch, self).create(vals)
 
-    @api.depends('branch_name')
-    def _get_pull_head_name(self):
-        """compute pull head name"""
-        for branch in self:
-            pi = self._get_pull_info()
-            if pi and not _re_patch.match(pi['head']['label']):
-                # label is used to disambiguate PR with same branch name
-                branch.pull_head_name = pi['head']['label']
-
     def _get_branch_quickconnect_url(self, fqdn, dest):
         self.ensure_one()
         r = {}

runbot/models/build.py

@@ -134,6 +134,7 @@ class runbot_build(models.Model):
         build = self
         branch, repo = build.branch_id, build.repo_id
         name = branch.pull_head_name or branch.branch_name
+        target_branch = branch.target_branch_name or 'master'
 
         target_repo = self.env['runbot.repo'].browse(target_repo_id)
 
@@ -216,7 +217,7 @@ class runbot_build(models.Model):
                 return target_id, b, 'fuzzy'
 
         # 5. last-resort value
-        return target_repo_id, 'master', 'default'
+        return target_repo_id, target_branch, 'default'
 
     @api.depends('name', 'branch_id.name')
     def _get_dest(self):