Mercurial > hg
view contrib/plan9/9diff @ 44788:6493f0a567c2
nodemap: add a new mode option, with an optional "warn" value
When "warn" is set, user will get notified when the slow code, used for
compatibility is used. This can help people to detect situation were using that
feature will give them a slowdown instead of a speedup.
Differential Revision: https://phab.mercurial-scm.org/D8414
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Tue, 14 Apr 2020 02:45:05 +0200 |
parents | f9262456fb01 |
children |
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#!/bin/rc # 9diff - Mercurial extdiff wrapper for diff(1) rfork e fn getfiles { cd $1 && for(f in `{du -as | awk '{print $2}'}) test -f $f && echo `{cleanname $f} } fn usage { echo >[1=2] usage: 9diff [diff options] parent child root exit usage } opts=() while(~ $1 -*){ opts=($opts $1) shift } if(! ~ $#* 3) usage # extdiff will set the parent and child to a single file if there is # only one change. If there are multiple changes, directories will be # set. diff(1) does not cope particularly with directories; instead we # do the recursion ourselves and diff each file individually. if(test -f $1) diff $opts $1 $2 if not{ # extdiff will create a snapshot of the working copy to prevent # conflicts during the diff. We circumvent this behavior by # diffing against the repository root to produce plumbable # output. This is antisocial. for(f in `{sort -u <{getfiles $1} <{getfiles $2}}){ file1=$1/$f; test -f $file1 || file1=/dev/null file2=$3/$f; test -f $file2 || file2=/dev/null diff $opts $file1 $file2 } } exit ''