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functions/help: Cleanup

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This commit is contained in:
Fabian Homborg 2019-03-22 12:40:39 +01:00
parent 4c61691377
commit 25ba16d4b6
1 changed files with 14 additions and 15 deletions
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29
share/functions/help.fish
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@ -15,30 +15,28 @@ function help --description 'Show help for the fish shell'
set -a help_topics expand-command-substitution expand-process
#
# Find a suitable browser for viewing the help pages. This is needed
# by the help function defined below.
#
set -l fish_browser
set -l graphical_browsers htmlview x-www-browser firefox galeon mozilla konqueror epiphany opera netscape rekonq google-chrome chromium-browser
# Find a suitable browser for viewing the help pages.
# The first thing we try is $fish_help_browser.
set -l fish_browser $fish_help_browser
# A list of graphical browsers we know about.
set -l graphical_browsers htmlview x-www-browser firefox galeon mozilla
set -a graphical_browsers konqueror epiphany opera netscape rekonq google-chrome chromium-browser
# On mac we may have to write a temporary file that redirects to the desired
# help page, since `open` will drop fragments from file URIs (issue #4480).
set -l need_trampoline
if set -q fish_help_browser[1]
# User has set a fish-specific help browser. This overrides the
# browser that may be defined by $BROWSER. The fish_help_browser
# variable may be an array containing a browser name plus options.
set fish_browser $fish_help_browser
else
set -l text_browsers htmlview www-browser links elinks lynx w3m
if not set -q fish_browser[1]
if set -q BROWSER
# User has manually set a preferred browser, so we respect that
set fish_browser $BROWSER
else
# No browser set up, inferring.
# We check a bunch and use the last we find.
# Check for a text-based browser.
for i in $text_browsers
for i in htmlview www-browser links elinks lynx w3m
if type -q -f $i
set fish_browser $i
break
@ -47,7 +45,7 @@ function help --description 'Show help for the fish shell'
# If we are in a graphical environment, check if there is a graphical
# browser to use instead.
if test "$DISPLAY" -a \( "$XAUTHORITY" = "$HOME/.Xauthority" -o "$XAUTHORITY" = "" \)
if test -n "$DISPLAY" -a \( "$XAUTHORITY" = "$HOME/.Xauthority" -o "$XAUTHORITY" = "" \)
for i in $graphical_browsers
if type -q -f $i
set fish_browser $i
@ -69,6 +67,7 @@ function help --description 'Show help for the fish shell'
# which might not have a backend to use.
if command -sq open
set fish_browser open
# The open command needs a trampoline because the macOS version can't handle #-fragments.
set need_trampoline 1
end
end