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Make fish install a command_not_found handler in non-interactive uses.

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Previously, fish's command_not_found handler would be installed in
__fish_config_interactive. Errors that occured early in startup (e.g. in
config.fish) or in non-interactive mode would therefore not be reported.
With this change, fish now exposes its default cnf handler as
__fish_default_command_not_found_handler . config.fish then installs a
cnfh that invokes the default. When fish goes interactive, the initial
cnfh is overwritten with a fancier one, that may in turn fall back to
invoking the default.
This commit is contained in:
ridiculousfish 2014-02-20 10:26:57 -08:00
parent 64953e26fc
commit 3ab954644f
2 changed files with 21 additions and 1 deletions
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15
share/config.fish
View file

@ -10,6 +10,21 @@
set -g IFS \n\ \t
#
# Create the default command_not_found handler
#
function __fish_default_command_not_found_handler
echo "fish: Unknown command '$argv'" >&2
end
#
# Hook up the default as the principal command_not_found handler
# This is likely to be overwritten in __fish_config_interactive
#
function __fish_command_not_found_handler --on-event fish_command_not_found
__fish_default_command_not_found_handler $argv
end
#
# Set default search paths for completions and shellscript functions
# unless they already exist

7
share/functions/__fish_config_interactive.fish
View file

@ -233,6 +233,11 @@ function __fish_config_interactive -d "Initializations that should be performed
# The first time a command is not found, look for command-not-found
# This is not cheap so we try to avoid doing it during startup
# config.fish already installed a handler for noninteractive command-not-found,
# so delete it here since we are now interactive
functions -e __fish_command_not_found_handler
# Now install our fancy variant
function __fish_command_not_found_setup --on-event fish_command_not_found
# Remove fish_command_not_found_setup so we only execute this once
functions --erase __fish_command_not_found_setup
@ -262,7 +267,7 @@ function __fish_config_interactive -d "Initializations that should be performed
# Use standard fish command not found handler otherwise
else
function __fish_command_not_found_handler --on-event fish_command_not_found
echo fish: Unknown command "'$argv'" >&2
__fish_default_command_not_found_handler $argv
end
end
__fish_command_not_found_handler $argv