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[RFC/PATCH v4 1/6] completion: add new __git_complete helper

From
Felipe Contreras <felipe.contreras@gmail.com>
Date
May 7, 2012, 01:23 UTC
Message-ID
<1336353800-17323-2-git-send-email-felipe.contreras@gmail.com>
In-Reply-To
<1336353800-17323-1-git-send-email-felipe.contreras@gmail.com>

This simplifies the completions, and would make it easier to define aliases in the future.

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>
---
Since v3:
 * Get rid of typeset and subshell
Since v2:
 * Rename to _GIT_complete to follow bash completion "guidelines"
 * Get rid of foo_wrap name
Since v1:
 * Remove stuff related to aliases fixes; should work on top of master
 contrib/completion/git-completion.bash |   69 +++++++++++++++-----------------
 t/t9902-completion.sh                  |    2 +-
 2 files changed, 33 insertions(+), 38 deletions(-)
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 9f56ec7..4098902 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -2603,21 +2603,6 @@ _git ()
 {
 	local i c=1 command __git_dir
 
-	if [[ -n ${ZSH_VERSION-} ]]; then
-		emulate -L bash
-		setopt KSH_TYPESET
-
-		# workaround zsh's bug that leaves 'words' as a special
-		# variable in versions < 4.3.12
-		typeset -h words
-
-		# workaround zsh's bug that quotes spaces in the COMPREPLY
-		# array if IFS doesn't contain spaces.
-		typeset -h IFS
-	fi
-
-	local cur words cword prev
-	_get_comp_words_by_ref -n =: cur words cword prev
 	while [ $c -lt $cword ]; do
 		i="${words[c]}"
 		case "$i" in
@@ -2667,22 +2652,6 @@ _git ()
 
 _gitk ()
 {
-	if [[ -n ${ZSH_VERSION-} ]]; then
-		emulate -L bash
-		setopt KSH_TYPESET
-
-		# workaround zsh's bug that leaves 'words' as a special
-		# variable in versions < 4.3.12
-		typeset -h words
-
-		# workaround zsh's bug that quotes spaces in the COMPREPLY
-		# array if IFS doesn't contain spaces.
-		typeset -h IFS
-	fi
-
-	local cur words cword prev
-	_get_comp_words_by_ref -n =: cur words cword prev
-
 	__git_has_doubledash && return
 
 	local g="$(__gitdir)"
@@ -2703,16 +2672,42 @@ _gitk ()
 	__git_complete_revlist
 }
 
-complete -o bashdefault -o default -o nospace -F _git git 2>/dev/null \
-	|| complete -o default -o nospace -F _git git
-complete -o bashdefault -o default -o nospace -F _gitk gitk 2>/dev/null \
-	|| complete -o default -o nospace -F _gitk gitk
+__git_func_wrap ()
+{
+	if [[ -n ${ZSH_VERSION-} ]]; then
+		emulate -L bash
+		setopt KSH_TYPESET
+
+		# workaround zsh's bug that leaves 'words' as a special
+		# variable in versions < 4.3.12
+		typeset -h words
+
+		# workaround zsh's bug that quotes spaces in the COMPREPLY
+		# array if IFS doesn't contain spaces.
+		typeset -h IFS
+	fi
+	local cur words cword prev
+	_get_comp_words_by_ref -n =: cur words cword prev
+	_$1
+}
+
+# this is NOT a public function; use at your own risk
+__git_complete ()
+{
+	local name="${2-$1}"
+	local wrapper="_${name}_wrap"
+	eval "$wrapper () { __git_func_wrap $name ; }"
+	complete -o bashdefault -o default -o nospace -F $wrapper $1 2>/dev/null \
+		|| complete -o default -o nospace -F $wrapper $1
+}
+
+__git_complete git
+__git_complete gitk
 
 # The following are necessary only for Cygwin, and only are needed
 # when the user has tab-completed the executable name and consequently
 # included the '.exe' suffix.
 #
 if [ Cygwin = "$(uname -o 2>/dev/null)" ]; then
-complete -o bashdefault -o default -o nospace -F _git git.exe 2>/dev/null \
-	|| complete -o default -o nospace -F _git git.exe
+__git_complete git.exe git
 fi
diff --git a/t/t9902-completion.sh b/t/t9902-completion.sh
index 5bda6b6..331a5b9 100755
--- a/t/t9902-completion.sh
+++ b/t/t9902-completion.sh
@@ -63,7 +63,7 @@ run_completion ()
 	local _cword
 	_words=( $1 )
 	(( _cword = ${#_words[@]} - 1 ))
-	_git && print_comp
+	_git_wrap && print_comp
 }
 
 test_completion ()
-- 
1.7.10
Previous: Felipe ContrerasNext: SZEDER Gábor
Message 2 of 18 in “completion: __git_complete and other stuff”
  1. 0/6 completion: __git_complete and other stuffFelipe Contreras, May 7, 2012
  2. 1/6 completion: add new __git_complete helperFelipe Contreras, May 7, 2012
  3. SZEDER GáborMay 7, 2012
  4. Junio C HamanoMay 7, 2012
  5. Felipe ContrerasMay 7, 2012
  6. 2/6 tests: add more bash completion testsFelipe Contreras, May 7, 2012
  7. 3/6 completion: simplify _git_bundleFelipe Contreras, May 7, 2012
  8. 4/6 completion: simplify command stuffFelipe Contreras, May 7, 2012
  9. SZEDER GáborMay 7, 2012
  10. 5/6 completion: calculate argument position properlyFelipe Contreras, May 7, 2012
  11. Felipe ContrerasMay 7, 2012
  12. Junio C HamanoMay 7, 2012
  13. Felipe ContrerasMay 7, 2012
  14. Junio C HamanoMay 7, 2012
  15. Felipe ContrerasMay 8, 2012
  16. 6/6 completion: add public _GIT_complete helperFelipe Contreras, May 7, 2012
  17. Junio C HamanoMay 7, 2012
  18. Felipe ContrerasMay 7, 2012

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