Provides output option to cat command
# HG changeset patch
# User thananck@yahoo.com
# Node ID c838b9c2c71b1d64b8bde786f6470b30f23962de
# Parent 7369ec5d93f2ffd490a43970edd9adf8d2bbe269
Provides output option to cat command
expand function in commands.doexport is moved to toplevel and renamed
to make_filename. The 'cat' command now accecpts --output <pattern>
switch to specify the destination file.
Index: hg/mercurial/commands.py
===================================================================
+ mkdir t
+ cd t
+ hg init
+ hg id
unknown
+ echo a
+ hg add a
+ hg commit -t test -u test -d '0 0'
+ hg co
+ hg identify
acb14030fe0a tip
++ hg -q tip
++ cut -d : -f 2
+ T=acb14030fe0a21b60322c440ad2d20cf7685a376
+ echo 'acb14030fe0a21b60322c440ad2d20cf7685a376 first'
+ cat .hgtags
acb14030fe0a21b60322c440ad2d20cf7685a376 first
+ hg add .hgtags
+ hg commit -t 'add tags' -u test -d '0 0'
+ hg tags
tip 1:b9154636be938d3d431e75a7c906504a079bfe07
first 0:acb14030fe0a21b60322c440ad2d20cf7685a376
+ hg identify
b9154636be93 tip
+ echo bb
+ hg status
C a
+ hg identify
b9154636be93+ tip
+ hg co first
+ hg id
acb14030fe0a+ first
+ hg -v id
acb14030fe0a21b60322c440ad2d20cf7685a376+ first
+ hg status
C a
+ echo 1
+ hg add b
+ hg commit -t branch -u test -d '0 0'
+ hg id
c8edf04160c7 tip
+ hg co -m 1
+ hg id
c8edf04160c7+b9154636be93+ tip
+ hg status
C .hgtags
C a