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* [PATCH] completion: avoid aliased command lookup error in nounset mode
@ 2021-04-16 19:19 Ville Skyttä
  2021-04-16 20:40 ` Junio C Hamano
  0 siblings, 1 reply; 2+ messages in thread
From: Ville Skyttä @ 2021-04-16 19:19 UTC (permalink / raw)
  To: git

Aliased command lookup accesses the `list` variable before it has been
set, causing an error in "nounset" mode. Initialize to an empty string
to avoid that.

    $ git nonexistent-command <Tab>bash: list: unbound variable

Signed-off-by: Ville Skyttä <ville.skytta@iki.fi>
---
 contrib/completion/git-completion.bash | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index dfa735ea62..49e76e9d08 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -1129,7 +1129,7 @@ __git_pretty_aliases ()
 # __git_aliased_command requires 1 argument
 __git_aliased_command ()
 {
-	local cur=$1 last list word cmdline
+	local cur=$1 last list= word cmdline
 
 	while [[ -n "$cur" ]]; do
 		if [[ "$list" == *" $cur "* ]]; then
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] completion: avoid aliased command lookup error in nounset mode
  2021-04-16 19:19 [PATCH] completion: avoid aliased command lookup error in nounset mode Ville Skyttä
@ 2021-04-16 20:40 ` Junio C Hamano
  0 siblings, 0 replies; 2+ messages in thread
From: Junio C Hamano @ 2021-04-16 20:40 UTC (permalink / raw)
  To: Ville Skyttä; +Cc: git

Ville Skyttä <ville.skytta@iki.fi> writes:

> Aliased command lookup accesses the `list` variable before it has been
> set, causing an error in "nounset" mode. Initialize to an empty string
> to avoid that.
>
>     $ git nonexistent-command <Tab>bash: list: unbound variable
>
> Signed-off-by: Ville Skyttä <ville.skytta@iki.fi>
> ---
>  contrib/completion/git-completion.bash | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Thanks, will queue.

> diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
> index dfa735ea62..49e76e9d08 100644
> --- a/contrib/completion/git-completion.bash
> +++ b/contrib/completion/git-completion.bash
> @@ -1129,7 +1129,7 @@ __git_pretty_aliases ()
>  # __git_aliased_command requires 1 argument
>  __git_aliased_command ()
>  {
> -	local cur=$1 last list word cmdline
> +	local cur=$1 last list= word cmdline
>  
>  	while [[ -n "$cur" ]]; do
>  		if [[ "$list" == *" $cur "* ]]; then

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2021-04-16 19:19 [PATCH] completion: avoid aliased command lookup error in nounset mode Ville Skyttä
2021-04-16 20:40 ` Junio C Hamano

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