sdkman-for-fish/conf.d/sdk.fish
Raphael Reitzig 541a69e192 Makes hack for issue #19 a litte more robust.
Refresh the export-free sdkman-init whenever the
original has changed.
2018-07-21 16:24:21 +02:00

81 lines
2.8 KiB
Fish

#!/usr/bin/fish
# Makes command and binaries from SDKMAN! available in fish.
# Delegates to bash for the `sdk` command.
# Copyright (c) 2018 Raphael Reitzig
# MIT License (MIT)
# https://github.com/reitzig/sdkman-for-fish
set __fish_sdkman_init "$HOME/.sdkman/bin/sdkman-init.sh"
set __fish_sdkman_noexport_init "$HOME/.config/fisherman/sdkman-for-fish/sdkman-noexport-init.sh"
# Guard: SDKMAN! needs to be installed
if not test -f "$__fish_sdkman_init"
exit 0
end
# Hack for issue #19:
# Create version of sdkman-init that doesn't export any environment variables.
# Refresh if sdkman-init changed.
if begin not test -f "$__fish_sdkman_noexport_init";
or env test "$__fish_sdkman_init" -nt "$__fish_sdkman_noexport_init"
end
mkdir -p (dirname $__fish_sdkman_noexport_init)
sed -e 's/^\(\s*\).*\(export\|to_path\).*$/\1:/g' "$__fish_sdkman_init" \
> $__fish_sdkman_noexport_init
end
# Runs the given command in bash, capturing some side effects
# and repeating them on the current fish shell.
# Returns the same status code as the given command.
function __fish_sdkman_run_in_bash
# We need to leave stdin and stdout of sdk free for user interaction.
# So, pipe relevant environment variables (which might have changed)
# through a file.
# But since now getting the exit code of sdk itself is a hassle,
# pipe it as well.
#
# TODO: Can somebody get this to work without the overhead of a file?
set pipe (mktemp)
bash -c "$argv[1];
echo -e \"\$?\" > $pipe;
env | grep -e '^SDKMAN_\|^PATH' >> $pipe;
echo \"SDKMAN_OFFLINE_MODE=\${SDKMAN_OFFLINE_MODE}\" >> $pipe" # it's not an environment variable!
set bashDump (cat $pipe; rm $pipe)
set sdkStatus $bashDump[1]
set bashEnv $bashDump[2..-1]
# If SDKMAN! succeeded, copy relevant environment variables
# to the current shell (they might have changed)
if [ $sdkStatus = 0 ]
for line in $bashEnv
set parts (string split "=" $line)
set var $parts[1]
set value (string join "=" $parts[2..-1])
switch "$var"
case "PATH"
# Special treatment: need fish list instead
# of colon-separated list.
set value (string split : "$value")
end
if test -n value
set -gx $var $value
# Note: This makes SDKMAN_OFFLINE_MODE an environment variable.
# That gives it the behavariour we _want_!
end
end
end
return $sdkStatus
end
# If this is a subshell of a(n initialized) fish, no initialization
# necessary. Otherwise:
if not set -q SDKMAN_DIR
__fish_sdkman_run_in_bash "source $__fish_sdkman_init"
end