gitclone: allow to create symlink in repository after clone or pull

slapos/recipe/gitclone.py

@@ -140,6 +140,10 @@ class Recipe(object):
         setattr(self, option, None)
       else:
         setattr(self, option, value)
+    self.path_list = [self.location]
+    self.link_list = [link.strip()
+                      for link in options.get('link-list', '').split('\n')
+                      if link.strip()]
     self.git_command = options.get('git-executable', '')
     if self.git_command == '':
       self.git_command = 'git'
@@ -172,6 +176,16 @@ class Recipe(object):
       command.append(revision)
     check_call(command, cwd=self.location)
 
+  def configureSymlink(self):
+    for link in self.link_list:
+      source, dest = link.split(' ')
+      source_path = os.path.join(self.location, source.strip())
+      link_path = os.path.join(self.location, dest.strip())
+      if os.path.islink(link_path):
+        os.unlink(link_path)
+      os.symlink(source_path, link_path)
+      self.path_list.append(link_path)
+
   def install(self):
     """
     Do a git clone.
@@ -188,7 +202,7 @@ class Recipe(object):
         shutil.rmtree(self.location)
       else:
         # If develop is set, assume that this is a valid working copy
-        return [self.location]
+        return self.path_list
 
     if getattr(self, 'branch_overrided', None):
       print('Warning: "branch" parameter with value "%s" is ignored. '
@@ -242,6 +256,7 @@ class Recipe(object):
         # in main repo
         check_call([self.git_command, 'submodule', 'update', '--init',
                     '--recursive'], cwd=self.location)
+      self.configureSymlink()
     except CalledProcessError:
       print("Unable to download from git repository."
             " Trying from network cache...")
@@ -255,7 +270,7 @@ class Recipe(object):
         raise UserError(GIT_CLONE_CACHE_ERROR_MESSAGE)
       self.gitReset()
 
-    return [self.location]
+    return self.path_list
 
   def deletePycFiles(self, path):
     """Delete *.pyc files so that deleted/moved files can not be imported"""
@@ -299,6 +314,7 @@ class Recipe(object):
         # NOTE: This will put the submodule repo in a `Detached` state.
         check_call([self.git_command, 'submodule', 'update', '--init', '-f',
                     '--recursive'], cwd=self.location)
+      self.configureSymlink()
 
     except:
       # Buildout will remove the installed location and mark the part as not