Mercurial > hg
annotate 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> |
---|---|
date | Tue, 14 Apr 2020 02:45:05 +0200 |
parents | f9262456fb01 |
children |
rev | line source |
---|---|
16383
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
1 #!/bin/rc |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
2 # 9diff - Mercurial extdiff wrapper for diff(1) |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
3 |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
4 rfork e |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
5 |
16556
f9262456fb01
plan9: mkfile and 9diff fixes
Steven Stallion <sstallion@gmail.com>
parents:
16383
diff
changeset
|
6 fn getfiles { |
f9262456fb01
plan9: mkfile and 9diff fixes
Steven Stallion <sstallion@gmail.com>
parents:
16383
diff
changeset
|
7 cd $1 && |
16383
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
8 for(f in `{du -as | awk '{print $2}'}) |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
9 test -f $f && echo `{cleanname $f} |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
10 } |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
11 |
16556
f9262456fb01
plan9: mkfile and 9diff fixes
Steven Stallion <sstallion@gmail.com>
parents:
16383
diff
changeset
|
12 fn usage { |
16383
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
13 echo >[1=2] usage: 9diff [diff options] parent child root |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
14 exit usage |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
15 } |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
16 |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
17 opts=() |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
18 while(~ $1 -*){ |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
19 opts=($opts $1) |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
20 shift |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
21 } |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
22 if(! ~ $#* 3) |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
23 usage |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
24 |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
25 # extdiff will set the parent and child to a single file if there is |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
26 # only one change. If there are multiple changes, directories will be |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
27 # set. diff(1) does not cope particularly with directories; instead we |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
28 # do the recursion ourselves and diff each file individually. |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
29 if(test -f $1) |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
30 diff $opts $1 $2 |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
31 if not{ |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
32 # extdiff will create a snapshot of the working copy to prevent |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
33 # conflicts during the diff. We circumvent this behavior by |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
34 # diffing against the repository root to produce plumbable |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
35 # output. This is antisocial. |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
36 for(f in `{sort -u <{getfiles $1} <{getfiles $2}}){ |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
37 file1=$1/$f; test -f $file1 || file1=/dev/null |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
38 file2=$3/$f; test -f $file2 || file2=/dev/null |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
39 diff $opts $file1 $file2 |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
40 } |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
41 } |
f5dd179bfa4a
plan9: initial support for plan 9 from bell labs
Steven Stallion <sstallion@gmail.com>
parents:
diff
changeset
|
42 exit '' |