Mercurial > public > mercurial-scm > hg-stable
diff mercurial/copies.py @ 42729:3cffc7bbec26
copies: extract an explicit `computechangesetcopie` method from context
Right now, the logic around changeset centric copies data are buried into the
"changectx" code. We extract this code in a dedicated method (in the copies
module) for clarity. This clarity will help to explicitly compute and caches
these data in the future.
| author | Pierre-Yves David <pierre-yves.david@octobus.net> |
|---|---|
| date | Tue, 06 Aug 2019 03:17:40 +0200 |
| parents | 8c5a36805d5d |
| children | f3bcae1e9e23 |
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--- a/mercurial/copies.py Wed Aug 07 19:18:20 2019 +0530 +++ b/mercurial/copies.py Tue Aug 06 03:17:40 2019 +0200 @@ -809,3 +809,28 @@ continue if dst in wctx: wctx[dst].markcopied(src) + +def computechangesetcopies(ctx): + """return the copies data for a changeset + + The copies data are returned as a pair of dictionnary (p1copies, p2copies). + + Each dictionnary are in the form: `{newname: oldname}` + """ + p1copies = {} + p2copies = {} + p1 = ctx.p1() + p2 = ctx.p2() + narrowmatch = ctx._repo.narrowmatch() + for dst in ctx.files(): + if not narrowmatch(dst) or dst not in ctx: + continue + copied = ctx[dst].renamed() + if not copied: + continue + src, srcnode = copied + if src in p1 and p1[src].filenode() == srcnode: + p1copies[dst] = src + elif src in p2 and p2[src].filenode() == srcnode: + p2copies[dst] = src + return p1copies, p2copies