From 2f6b2dc1b611479c1d066f9b5d1af13725025b87 Mon Sep 17 00:00:00 2001
From: Raphael Reitzig <4246780+reitzig@users.noreply.github.com>
Date: Thu, 12 Jul 2018 00:26:34 +0200
Subject: [PATCH] Do not declare function/command sdk if sdkman is not
 installed.

Closes issue #6.
---
 conf.d/sdk.fish | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/conf.d/sdk.fish b/conf.d/sdk.fish
index 6b43118..b58c8c1 100644
--- a/conf.d/sdk.fish
+++ b/conf.d/sdk.fish
@@ -1,11 +1,15 @@
 #!/usr/bin/fish
 
-# sdk command
-function sdk
-    bash -c "source $HOME/.sdkman/bin/sdkman-init.sh && sdk $argv"
-end
+set sdkman_init "$HOME/.sdkman/bin/sdkman-init.sh"
 
-# add paths
-for ITEM in $HOME/.sdkman/candidates/* ;
-    set -gx PATH $PATH $ITEM/current/bin
+if test -f "$sdkman_init"
+    # Add candidate binaries to PATH
+    for ITEM in $HOME/.sdkman/candidates/* ;
+        set -gx PATH $PATH $ITEM/current/bin
+    end
+
+    # Declare the sdk command for fish
+    function sdk
+        bash -c "source $sdkman_init && sdk $argv"
+    end
 end
\ No newline at end of file