[Request] [+ ] D10849: localrepo: introduce a clone_requirements function

[marmoute (Pierre-Yves David)]

marmoute created this revision.
Herald added a reviewer: hg-reviewers.
Herald added a subscriber: mercurial-patches.

REVISION SUMMARY
  This function take a source repository and return a relevant set of
  requirements that should be used by a copy clone.
  
  This will help make the creation of the destination repository during copy
  clone simpler.

REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D10849

AFFECTED FILES
  mercurial/localrepo.py

CHANGE DETAILS

diff --git a/mercurial/localrepo.py b/mercurial/localrepo.py
--- a/mercurial/localrepo.py
+++ b/mercurial/localrepo.py
@@ -3485,6 +3485,24 @@
     return createopts
 
 
+def clone_requirements(ui, createopts, srcrepo):
+    """clone the requirements of a local repo for a local clone
+
+    The store requirements are unchanged while the working copy requirements
+    depends on the configuration
+    """
+    target_requirements = set()
+    createopts = defaultcreateopts(ui, createopts=createopts)
+    for r in newreporequirements(ui, createopts):
+        if r in requirementsmod.WORKING_DIR_REQUIREMENTS:
+            target_requirements.add(r)
+
+    for r in srcrepo.requirements:
+        if r not in requirementsmod.WORKING_DIR_REQUIREMENTS:
+            target_requirements.add(r)
+    return target_requirements
+
+
 def newreporequirements(ui, createopts):
     """Determine the set of requirements for a new local repository.
 



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Cc: mercurial-patches, mercurial-devel
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