shithub: riscv

ref: 1ee1bfaa8c5644092e0c1ca3985ee74813bbfb1d
dir: /sys/src/cmd/git/diff/

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#!/bin/rc
rfork ne
. /sys/lib/git/common.rc

gitup

flagfmt='c:commit branch, s:summarize'; args='[file ...]'
eval `''{aux/getflags $*} || exec aux/usage

if(~ $#commit 0)
	commit=HEAD

files=()
if(! ~ $#* 0)
	files=`{cleanname $gitrel/$*}

branch=`{git/query -p $commit}
if(~ $summarize 1){
	git/walk -fMAR $files
	exit
}

fn lsdirty {
	git/walk -c -fRMA $files
	if(! ~ $commit HEAD)
		git/query -c $commit HEAD | subst '^..'
}

for(f in `$nl{lsdirty | sort | uniq}){
	orig=$branch/tree/$f
	if(! test -f $orig)
		orig=/dev/null
	if(! test -f $f)
		f=/dev/null
	diff -u $orig $f
}
exit ''