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functions/help: Try harder to find a browser on WSL

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We now try cmd.exe via $PATH and via a common location, wsl-open, and
an open command.

Fixes #5756.

[ci skip]
This commit is contained in:
Fabian Homborg 2019-03-22 17:24:10 +01:00
parent 248200520e
commit 2a51e42ee0
1 changed files with 16 additions and 7 deletions
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23
share/functions/help.fish
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@ -72,6 +72,19 @@ function help --description 'Show help for the fish shell'
else if type -q xdg-open; and set -q -x DISPLAY
set fish_browser xdg-open
end
# Try to find cmd.exe via $PATH or one of the paths that it's often at.
#
# We use this instead of xdg-open because that's useless without a backend
# like wsl-open which we'll check in a minute.
if set -l cmd (command -s cmd.exe /mnt/c/Windows/System32/cmd.exe)
# Use the first of these.
set fish_browser $cmd[1]
end
if type -q wsl-open
set fish_browser wsl-open
end
end
end
@ -119,11 +132,6 @@ function help --description 'Show help for the fish shell'
set fish_help_page "index.html"
end
set -l wsl 0
if uname -a | string match -qr Microsoft
set wsl 1
end
set -l page_url
if test -f $__fish_help_dir/index.html
# Help is installed, use it
@ -155,8 +163,9 @@ function help --description 'Show help for the fish shell'
end
end
if test $wsl -eq 1
cmd.exe /c "start $page_url"
# cmd.exe needs more coaxing.
if string match -qr 'cmd.exe$' -- $fish_browser[1]
$fish_browser /c "start $page_url"
# If browser is known to be graphical, put into background
else if contains -- $fish_browser[1] $graphical_browsers
switch $fish_browser[1]