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### Command-not-found handlers
# This can be overridden by defining a new fish_command_not_found function
# Read the OS/Distro from /etc/os-release.
# This has a "ID=" line that defines the exact distribution,
# and an "ID_LIKE=" line that defines what it is derived from or otherwise like.
# For our purposes, we use both.
set -l os
if test -r /etc/os-release
set os (string match -r '^ID(?:_LIKE)?\s*=.*' < /etc/os-release | \
string replace -r '^ID(?:_LIKE)?\s*=(.*)' '$1' | string trim -c '\'"' | string split " ")
end
function __fish_default_command_not_found_handler
printf (_ "fish: Unknown command: %s\n") (string escape -- $argv[1]) >&2
end
# If an old handler already exists, defer to that.
if functions -q __fish_command_not_found_handler
function fish_command_not_found
# The fish_command_not_found event was removed in fish 3.2.0,
# and future versions of fish will just call a function called "fish_command_not_found".
# You have defined a custom handler, we suggest renaming it to "fish_command_not_found".
__fish_command_not_found_handler $argv
end
# First check if we are on OpenSUSE since SUSE's handler has no options
# but the same name and path as Ubuntu's.
else if contains -- suse $os || contains -- sles $os && type -q command-not-found
function fish_command_not_found
command-not-found $argv[1]
end
# Check for Fedora's handler
else if test -f /usr/libexec/pk-command-not-found
function fish_command_not_found
/usr/libexec/pk-command-not-found $argv
end
# Check in /usr/lib, where Ubuntu places this command
else if test -f /usr/lib/command-not-found
function fish_command_not_found
/usr/lib/command-not-found -- $argv[1]
end
# Check for NixOS handler
else if test -f /run/current-system/sw/bin/command-not-found
function fish_command_not_found
/run/current-system/sw/bin/command-not-found $argv
end
# Ubuntu Feisty places this command in the regular path instead
else if type -q command-not-found
function fish_command_not_found
command-not-found -- $argv[1]
end
# pkgfile is an optional, but official, package on Arch Linux
# it ships with example handlers for bash and zsh, so we'll follow that format
else if type -q pkgfile
function fish_command_not_found
set -l __packages (pkgfile --binaries --verbose -- $argv[1] 2>/dev/null)
if test $status -eq 0
printf "%s may be found in the following packages:\n" "$argv[1]"
printf " %s\n" $__packages
else
__fish_default_command_not_found_handler $argv[1]
end
end
# pacman is too slow, see #7841.
# else if type -q pacman
# function fish_command_not_found
# set -l paths $argv[1]
# # If we've not been given an absolute path, try $PATH as the starting point,
# # otherwise pacman will try *every path*, and e.g. bash-completion
# # isn't helpful.
# string match -q '/*' -- $argv[1]; or set paths $PATH/$argv[1]
# # Pacman only prints the path, so we still need to print the error.
# __fish_default_command_not_found_handler $argv[1]
# pacman -F $paths
# end
else
# Use standard fish command not found handler otherwise
function fish_command_not_found --on-event fish_command_not_found
__fish_default_command_not_found_handler $argv
end
end
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