[PATCH] add: named branches and special revisions for multiple commands

[Sebastian Tramp <tramp@informatik.uni-leipzig.de>]

quote Richard Hartmann (20.5.2010):

This patch introduces named branches, tags and local head ids as 
speciarevision for multiple commands of mercurial ...

best regards

S.Tramp


---
  Completion/Unix/Command/_hg |   54 ++++++++++++++++++++++++++++--------------
  1 files changed, 36 insertions(+), 18 deletions(-)

diff --git a/Completion/Unix/Command/_hg b/Completion/Unix/Command/_hg
index aeb64f6..850215b 100644
--- a/Completion/Unix/Command/_hg
+++ b/Completion/Unix/Command/_hg
@@ -15,6 +15,7 @@
  #
  # Copyright (C) 2005, 2006 Steve Borho <steve@borho.org>
  # Copyright (C) 2006-9 Brendan Cully <brendan@kublai.com>
+# Copyright (C) 2010 Sebastian Tramp <mail@sebastian.tramp.name> (special revisions / named branches)
  #
  # Permission is hereby granted, without written agreement and without
  # licence or royalty fees, to use, copy, modify, and distribute this
@@ -173,8 +174,20 @@ _hg_tags() {
    (( $#tags )) && _describe -t tags 'tags' tags
  }

-# likely merge candidates
-_hg_mergerevs() {
+# named branches as described in http://mercurial.selenic.com/wiki/NamedBranches
+_hg_branches() {
+  typeset -a branches
+  local branch rev
+
+  _hg_cmd branches 2> /dev/null | cut -f 1 -d ' ' | while read branch
+  do
+    branches+=(${branch/ #    [0-9]#:*})
+  done
+  (( $#branches )) && _describe -t branches 'named branches' branches
+}
+
+# current heads of the repository
+_hg_heads() {
    typeset -a heads
    local myrev

@@ -186,6 +199,11 @@ _hg_mergerevs() {
    (( $#heads )) && _describe -t heads 'heads' heads
  }

+# this is an alternative of named branches, tags and heads
+_hg_specialrevisions() {
+  _alternative 'branches:named branches:_hg_branches' 'tags:tags:_hg_tags' 'heads:heads:_hg_heads'
+}
+
  _hg_files() {
    if [[ -n "$_hg_root" ]]
    then
@@ -394,7 +412,7 @@ _hg_cmd_addremove() {

  _hg_cmd_annotate() {
    _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
-  '(--rev -r)'{-r+,--rev}'[annotate the specified revision]:revision:_hg_tags' \
+  '(--rev -r)'{-r+,--rev}'[annotate the specified revision]:revision:_hg_specialrevisions' \
    '(--follow -f)'{-f,--follow}'[follow file copies and renames]' \
    '(--text -a)'{-a,--text}'[treat all files as text]' \
    '(--user -u)'{-u,--user}'[list the author]' \
@@ -408,7 +426,7 @@ _hg_cmd_archive() {
    _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
    '--no-decode[do not pass files through decoders]' \
    '(--prefix -p)'{-p+,--prefix}'[directory prefix for files in archive]:' \
-  '(--rev -r)'{-r+,--rev}'[revision to distribute]:revision:_hg_tags' \
+  '(--rev -r)'{-r+,--rev}'[revision to distribute]:revision:_hg_specialrevisions' \
    '(--type -t)'{-t+,--type}'[type of distribution to create]:archive type:(files tar tbz2 tgz uzip zip)' \
    '*:destination:_files'
  }
@@ -456,7 +474,7 @@ _hg_cmd_bundle() {
  _hg_cmd_cat() {
    _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
    '(--output -o)'{-o+,--output}'[print output to file with formatted name]:filespec:' \
-  '(--rev -r)'{-r+,--rev}'[revision]:revision:_hg_tags' \
+  '(--rev -r)'{-r+,--rev}'[revision]:revision:_hg_specialrevisions' \
    '*:file:_hg_files'
  }

@@ -511,7 +529,7 @@ _hg_cmd_export() {
    _arguments -s -w : $_hg_global_opts $_hg_diff_opts \
    '(--outout -o)'{-o+,--output}'[print output to file with formatted name]:filespec:' \
    '--switch-parent[diff against the second parent]' \
-  '*:revision:_hg_tags'
+  '*:revision:_hg_specialrevisions'
  }

  _hg_cmd_grep() {
@@ -540,7 +558,7 @@ _hg_cmd_help() {

  _hg_cmd_identify() {
    _arguments -s -w : $_hg_global_opts \
-  '(--rev -r)'{-r+,--rev}'[identify the specified rev]:revision:_hg_tags' \
+  '(--rev -r)'{-r+,--rev}'[identify the specified rev]:revision:_hg_specialrevisions' \
    '(--num -n)'{-n+,--num}'[show local revision number]' \
    '(--id -i)'{-i+,--id}'[show global revision id]' \
    '(--branch -b)'{-b+,--branch}'[show branch]' \
@@ -560,7 +578,7 @@ _hg_cmd_incoming() {
    '(--no-merges -M)'{-M,--no-merges}'[do not show merge revisions]' \
    '(--force -f)'{-f,--force}'[run even when the remote repository is unrelated]' \
    '(--patch -p)'{-p,--patch}'[show patch]' \
-  '(--rev -r)'{-r+,--rev}'[a specific revision up to which you would like to pull]:revision:_hg_tags' \
+  '(--rev -r)'{-r+,--rev}'[a specific revision up to which you would like to pull]:revision:_hg_specialrevisions' \
    '(--newest-first -n)'{-n,--newest-first}'[show newest record first]' \
    '--bundle[file to store the bundles into]:bundle file:_files' \
    ':source:_hg_remote'
@@ -573,7 +591,7 @@ _hg_cmd_init() {

  _hg_cmd_locate() {
    _arguments -s -w : $_hg_global_opts $_hg_pat_opts \
-  '(--rev -r)'{-r+,--rev}'[search repository as it stood at revision]:revision:_hg_tags' \
+  '(--rev -r)'{-r+,--rev}'[search repository as it stood at revision]:revision:_hg_specialrevisions' \
    '(--print0 -0)'{-0,--print0}'[end filenames with NUL, for use with xargs]' \
    '(--fullpath -f)'{-f,--fullpath}'[print complete paths]' \
    '*:search pattern:_hg_files'
@@ -590,21 +608,21 @@ _hg_cmd_log() {
    '(--no-merges -M)'{-M,--no-merges}'[do not show merges]' \
    '(--only-merges -m)'{-m,--only-merges}'[show only merges]' \
    '(--patch -p)'{-p,--patch}'[show patch]' \
-  '(--prune -P)'{-P+,--prune}'[do not display revision or any of its ancestors]:revision:_hg_tags' \
+  '(--prune -P)'{-P+,--prune}'[do not display revision or any of its ancestors]:revision:_hg_specialrevisions' \
    '*:files:_hg_files'
  }

  _hg_cmd_manifest() {
    _arguments -s -w : $_hg_global_opts \
-  ':revision:_hg_tags'
+  ':revision:_hg_specialrevisions'
  }

  _hg_cmd_merge() {
    _arguments -s -w : $_hg_global_opts \
    '(--force -f)'{-f,--force}'[force a merge with outstanding changes]' \
-  '(--rev -r 1)'{-r,--rev}'[revision to merge]:revision:_hg_mergerevs' \
+  '(--rev -r 1)'{-r,--rev}'[revision to merge]:revision:_hg_specialrevisions' \
    '(--preview -P)'{-P,--preview}'[review revisions to merge (no merge is performed)]' \
-  ':revision:_hg_mergerevs'
+  ':revision:_hg_specialrevisions'
  }

  _hg_cmd_outgoing() {
@@ -619,7 +637,7 @@ _hg_cmd_outgoing() {

  _hg_cmd_parents() {
    _arguments -s -w : $_hg_global_opts $_hg_style_opts \
-  '(--rev -r)'{-r+,--rev}'[show parents of the specified rev]:revision:_hg_tags' \
+  '(--rev -r)'{-r+,--rev}'[show parents of the specified rev]:revision:_hg_specialrevisions' \
    ':last modified file:_hg_files'
  }

@@ -639,7 +657,7 @@ _hg_cmd_pull() {
  _hg_cmd_push() {
    _arguments -s -w : $_hg_global_opts $_hg_remote_opts \
    '(--force -f)'{-f,--force}'[force push]' \
-  '(--rev -r)'{-r+,--rev}'[a specific revision you would like to push]:revision:_hg_tags' \
+  '(--rev -r)'{-r+,--rev}'[a specific revision you would like to push]:revision:_hg_specialrevisions' \
    ':destination:_hg_remote'
  }

@@ -730,7 +748,7 @@ _hg_cmd_status() {
    '(--no-status -n)'{-n,--no-status}'[hide status prefix]' \
    '(--copies -C)'{-C,--copies}'[show source of copied files]' \
    '(--print0 -0)'{-0,--print0}'[end filenames with NUL, for use with xargs]' \
-  '--rev[show difference from revision]:revision:_hg_tags' \
+  '--rev[show difference from revision]:revision:_hg_specialrevisions' \
    '*:files:_files'
  }

@@ -758,8 +776,8 @@ _hg_cmd_unbundle() {
  _hg_cmd_update() {
    _arguments -s -w : $_hg_global_opts \
    '(--clean -C)'{-C,--clean}'[overwrite locally modified files]' \
-  '(--rev -r)'{-r+,--rev}'[revision]:revision:_hg_tags' \
-  ':revision:_hg_tags'
+  '(--rev -r)'{-r+,--rev}'[revision]:revision:_hg_specialrevisions' \
+  ':revision:_hg_specialrevisions'
  }

  # HGK
-- 
1.7.0.4