Mirrors/fish-shell
2
0
Fork 0
mirror of https://github.com/fish-shell/fish-shell synced 2024-09-21 06:51:58 +00:00
Code Issues Projects Releases Packages Wiki Activity

vared: avoid using local variables

Browse source 
The tmp and prompt variables collide with variables used as arguments.
Just avoid them entirely, at the cost of making the internals of the
functions somewhat more complicated.

Closes #8836.
This commit is contained in:
David Adam 2022-03-27 12:42:40 +08:00
parent cc689290cd
commit fa2450db30
2 changed files with 11 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
CHANGELOG.rst
View file

@ -35,6 +35,7 @@ Interactive improvements
- ``less`` and other interactive commands would occasionally be stopped when run in a pipeline with fish functions; this has been fixed (:issue:`8699`). - ``less`` and other interactive commands would occasionally be stopped when run in a pipeline with fish functions; this has been fixed (:issue:`8699`).
- Case-changing autosuggestions generated mid-token now correctly append only the suffix, instead of duplicating the token (:issue:`8820`). - Case-changing autosuggestions generated mid-token now correctly append only the suffix, instead of duplicating the token (:issue:`8820`).
- ``ulimit`` learned a number of new options for the resource limits available on Linux, FreeBSD and NetBSD, and returns a specific warning if the limit specified is not available on the active operating system (:issue:`8823`). - ``ulimit`` learned a number of new options for the resource limits available on Linux, FreeBSD and NetBSD, and returns a specific warning if the limit specified is not available on the active operating system (:issue:`8823`).
- The ``vared`` command can now successfully edit variables named "tmp" or "prompt" (:issue:`8836`).
New or improved bindings New or improved bindings
^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^

27
share/functions/vared.fish
View file

@ -17,25 +17,18 @@ function vared --description "Edit variable value"
case '*' case '*'
if test (count $$argv ) -lt 2 if test (count $$argv ) -lt 2
set -l init '' # Avoid using any local variables in this function, otherwise they can't be edited
if test -n "$$argv" # https://github.com/fish-shell/fish-shell/issues/8836
set init $$argv
end
set -l prompt 'set_color green; echo '$argv'; set_color normal; echo "> "'
if read -p $prompt -c $init tmp
# If variable already exists, do not add any # The command substitution in this line controls the scope.
# switches, so we don't change export rules. But # If variable already exists, do not add any switches, so we don't change
# if it does not exist, we make the variable # scoping or export rules. But if it does not exist, we make the variable
# global, so that it will not die when this # global, so that it will not die when this function dies.
# function dies
if test -n "$$argv" read -p 'set_color green; echo '$argv'; set_color normal; echo "> "' \
set $argv $tmp (if not set -q $argv; echo -g; end) \
else -c "$$argv" \
set -g $argv $tmp $argv
end
end
else else
printf (_ '%s: %s is an array variable. Use %svared%s %s[n]%s to edit the n:th element of %s\n') vared $argv (set_color $fish_color_command; echo) (set_color $fish_color_normal; echo) $argv (set_color normal; echo) $argv printf (_ '%s: %s is an array variable. Use %svared%s %s[n]%s to edit the n:th element of %s\n') vared $argv (set_color $fish_color_command; echo) (set_color $fish_color_normal; echo) $argv (set_color normal; echo) $argv
end end