sdkman-for-fish/functions/sdk.fish
Raphael Reitzig e01e9a4bea Refactoring: bash calling in its own function.
Also:
 - Fixes Travis build reg. bf13d2f.
 - Wrapper test now cleans up after itself.
2018-07-18 22:05:57 +02:00

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Fish

set sdkman_init "$HOME/.sdkman/bin/sdkman-init.sh"
# Guard: SDKMAN! needs to be installed
if not test -f "$sdkman_init"
exit 0
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 PATH (which might have changed) through a file.
# Now, getting the exit code of sdk itself is a hassle so 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 \"\$PATH\n\$?\" > $pipe"
set bashDump (cat $pipe; rm $pipe)
set bashPath $bashDump[1]
set sdkStatus $bashDump[2]
# If SDKMAN! succeeded, copy PATH here (might have changed)
if [ $sdkStatus = 0 ]
set newPath (string split : "$bashPath")
set -gx PATH $newPath
end
return $sdkStatus
end
# Declare the sdk command for fish
function sdk -d "Manage SDKs"
__fish_sdkman_run_in_bash "source $sdkman_init && sdk $argv"
end