# HG changeset patch
# User Jesse Glick <jesse.glick@sun.com>
# Date 1202580322 18000
# Node ID f5b00b6e426a058dd983585d4e070a523b420d01
# Parent  911f5be5d1594370dcf21d1351b2eb0f60d96000
Option --decode for hg cat to apply decode filters.

(Does not trigger expansion of keyword arguments when using keyword
extension, though that might be desirable as well.)

diff -r 911f5be5d159 -r f5b00b6e426a mercurial/commands.py
--- a/mercurial/commands.py	Wed Feb 13 23:49:57 2008 +0100
+++ b/mercurial/commands.py	Sat Feb 09 13:05:22 2008 -0500
@@ -466,7 +466,10 @@
     for src, abs, rel, exact in cmdutil.walk(repo, (file1,) + pats, opts,
                                              ctx.node()):
         fp = cmdutil.make_file(repo, opts['output'], ctx.node(), pathname=abs)
-        fp.write(ctx.filectx(abs).data())
+        data = ctx.filectx(abs).data()
+        if opts['decode']:
+            data = repo.wwritedata(abs, data)
+        fp.write(data)
         err = 0
     return err
 
@@ -2765,6 +2768,7 @@
         (cat,
          [('o', 'output', '', _('print output to file with formatted name')),
           ('r', 'rev', '', _('print the given revision')),
+          ('d', 'decode', None, _('apply any matching decode filter')),
          ] + walkopts,
          _('hg cat [OPTION]... FILE...')),
     "^clone":
diff -r 911f5be5d159 -r f5b00b6e426a tests/test-cat
--- a/tests/test-cat	Wed Feb 13 23:49:57 2008 +0100
+++ b/tests/test-cat	Sat Feb 09 13:05:22 2008 -0500
@@ -8,6 +8,7 @@
 hg ci -A -m m -d "1000000 0"
 hg rm a
 hg cat a
+hg cat --decode a # more tests in test-encode
 sleep 1 # make sure mtime is changed
 echo 1 > b
 hg ci -m m -d "1000000 0"
diff -r 911f5be5d159 -r f5b00b6e426a tests/test-cat.out
--- a/tests/test-cat.out	Wed Feb 13 23:49:57 2008 +0100
+++ b/tests/test-cat.out	Sat Feb 09 13:05:22 2008 -0500
@@ -3,5 +3,6 @@
 0
 0
 0
+0
 a: No such file in rev 03f6b0774996
 1
diff -r 911f5be5d159 -r f5b00b6e426a tests/test-dispatch.out
--- a/tests/test-dispatch.out	Wed Feb 13 23:49:57 2008 +0100
+++ b/tests/test-dispatch.out	Sat Feb 09 13:05:22 2008 -0500
@@ -21,6 +21,7 @@
 
  -o --output   print output to file with formatted name
  -r --rev      print the given revision
+ -d --decode   apply any matching decode filter
  -I --include  include names matching the given patterns
  -X --exclude  exclude names matching the given patterns
 
diff -r 911f5be5d159 -r f5b00b6e426a tests/test-encode
--- a/tests/test-encode	Wed Feb 13 23:49:57 2008 +0100
+++ b/tests/test-encode	Sat Feb 09 13:05:22 2008 -0500
@@ -32,3 +32,11 @@
 
 echo %% uncompress our new working dir copy
 gunzip < a.gz
+
+echo %% check hg cat operation
+hg cat a.gz
+hg cat -d a.gz | gunzip
+mkdir subdir
+cd subdir
+hg -R .. cat ../a.gz
+hg -R .. cat -d ../a.gz | gunzip
diff -r 911f5be5d159 -r f5b00b6e426a tests/test-encode.out
--- a/tests/test-encode.out	Wed Feb 13 23:49:57 2008 +0100
+++ b/tests/test-encode.out	Sat Feb 09 13:05:22 2008 -0500
@@ -7,3 +7,8 @@
 1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 %% uncompress our new working dir copy
 this is a test
+%% check hg cat operation
+this is a test
+this is a test
+this is a test
+this is a test