Mercurial > hg
changeset 22345:cf7014c5f087
obsolete: add a `commonversion` function
This function returns the highest common version between the locally known
formats and a list of remotely known formats. This is going to be useful to
know what format should be used for exchange.
| author | Pierre-Yves David <pierre-yves.david@fb.com> |
|---|---|
| date | Tue, 26 Aug 2014 11:36:23 +0200 |
| parents | 9829b7948100 |
| children | a76660f85200 |
| files | mercurial/obsolete.py |
| diffstat | 1 files changed, 11 insertions(+), 0 deletions(-) [+] |
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--- a/mercurial/obsolete.py Tue Aug 26 11:48:26 2014 +0200 +++ b/mercurial/obsolete.py Tue Aug 26 11:36:23 2014 +0200 @@ -455,6 +455,17 @@ seennodes |= pendingnodes return seenmarkers +def commonversion(versions): + """Return the newest version listed in both versions and our local formats. + + Returns None if no common version exists. + """ + versions.sort(reverse=True) + # search for highest version known on both side + for v in versions: + if v in formats: + return v + return None # arbitrary picked to fit into 8K limit from HTTP server # you have to take in account: