Mercurial > hg
view contrib/plan9/9diff @ 27504:ce3ae9ccd800
byterange: use absolute_import
There were a lot of imports scattered around this file. They have been
consolidated at the top of the file where they belong.
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Mon, 21 Dec 2015 21:42:14 -0800 |
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 ''