[PATCH] bash: offer only paths after '--'

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From: SZEDER
Date: Tuesday, July 8, 2008 - 9:56 am

Many git commands use '--' to separate subcommands, options, and refs
from paths.  However, the programmable completion for several of these
commands does not respect the '--', and offer subcommands, options, or
refs after a '--', although only paths are permitted.  e.g. 'git bisect
-- <TAB>' offers subcommands, 'git log -- --<TAB>' offers options and
'git log -- git<TAB>' offers all gitgui tags.

The completion for the following commands share this wrong behaviour:
  am add bisect commit diff log reset shortlog submodule gitk.

To avoid this, we check the presence of a '--' on the command line first
and let the shell do filename completion, if one is found.

Signed-off-by: SZEDER Gábor <szeder@ira.uka.de>
---

On Tue, Jul 08, 2008 at 01:36:43PM +0200, Johannes Schindelin wrote:
I think I have found and corrected all the places where '--' was not
handled properly, but might have overlooked something.

Hope that I got the commit message right (;


 contrib/completion/git-completion.bash |   30 ++++++++++++++++++++++++++++++
 1 files changed, 30 insertions(+), 0 deletions(-)

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 6a15522..e7d8a75 100755
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -451,6 +451,18 @@ __git_find_subcommand ()
 	done
 }
 
+__git_has_doubledash ()
+{
+	local c=1
+	while [ $c -lt $COMP_CWORD ]; do
+		if [ "--" = "${COMP_WORDS[c]}" ]; then
+			return 0
+		fi
+		c=$((++c))
+	done
+	return 1
+}
+
 __git_whitespacelist="nowarn warn error error-all strip"
 
 _git_am ()
@@ -497,6 +509,8 @@ _git_apply ()
 
 _git_add ()
 {
+	__git_has_doubledash && return
+
 	local cur="${COMP_WORDS[COMP_CWORD]}"
 	case "$cur" in
 	--*)
@@ -511,6 +525,8 @@ _git_add ()
 
 _git_bisect ()
 {
+	__git_has_doubledash && return
+
 	local subcommands="start bad good skip reset visualize replay log run"
 	local subcommand="$(__git_find_subcommand "$subcommands")"
 	if [ -z "$subcommand" ]; then
@@ -612,6 +628,8 @@ _git_cherry_pick ()
 
 _git_commit ()
 {
+	__git_has_doubledash && return
+
 	local cur="${COMP_WORDS[COMP_CWORD]}"
 	case "$cur" in
 	--*)
@@ -631,6 +649,8 @@ _git_describe ()
 
 _git_diff ()
 {
+	__git_has_doubledash && return
+
 	local cur="${COMP_WORDS[COMP_CWORD]}"
 	case "$cur" in
 	--*)
@@ -733,6 +753,8 @@ _git_ls_tree ()
 
 _git_log ()
 {
+	__git_has_doubledash && return
+
 	local cur="${COMP_WORDS[COMP_CWORD]}"
 	case "$cur" in
 	--pretty=*)
@@ -1088,6 +1110,8 @@ _git_remote ()
 
 _git_reset ()
 {
+	__git_has_doubledash && return
+
 	local cur="${COMP_WORDS[COMP_CWORD]}"
 	case "$cur" in
 	--*)
@@ -1100,6 +1124,8 @@ _git_reset ()
 
 _git_shortlog ()
 {
+	__git_has_doubledash && return
+
 	local cur="${COMP_WORDS[COMP_CWORD]}"
 	case "$cur" in
 	--*)
@@ -1157,6 +1183,8 @@ _git_stash ()
 
 _git_submodule ()
 {
+	__git_has_doubledash && return
+
 	local subcommands="add status init update"
 	if [ -z "$(__git_find_subcommand "$subcommands")" ]; then
 		local cur="${COMP_WORDS[COMP_CWORD]}"
@@ -1362,6 +1390,8 @@ _git ()
 
 _gitk ()
 {
+	__git_has_doubledash && return
+
 	local cur="${COMP_WORDS[COMP_CWORD]}"
 	local g="$(git rev-parse --git-dir 2>/dev/null)"
 	local merge=""
-- 
1.5.6.1.118.g82b2fef

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Messages in current thread:
Re: [PATCH] completion: add branch options --contains --me ..., Johannes Schindelin, (Tue Jul 8, 4:36 am)
[PATCH] bash: offer only paths after '--', SZEDER , (Tue Jul 8, 9:56 am)
Re: [PATCH] bash: offer only paths after '--', Junio C Hamano, (Tue Jul 8, 1:21 pm)
Re: [PATCH] bash: offer only paths after '--', Shawn O. Pearce, (Tue Jul 8, 4:18 pm)
Re: [PATCH] bash: offer only paths after '--', Junio C Hamano, (Tue Jul 8, 4:23 pm)
Re: [PATCH] bash: offer only paths after '--', SZEDER , (Tue Jul 8, 4:51 pm)
Re: [PATCH] bash: offer only paths after '--', Shawn O. Pearce, (Tue Jul 8, 4:55 pm)
Re: [PATCH] bash: offer only paths after '--', Junio C Hamano, (Tue Jul 8, 5:06 pm)