datomic: set JAVA_HOME by :java and using write_env_script

Closes #37141.

Signed-off-by: Xu Cheng <xucheng@me.com>

1 files changed, 5 insertions, 16 deletions

diff --git a/Library/Formula/datomic.rb b/Library/Formula/datomic.rb
index 978955df1..44abb392a 100644
--- a/Library/Formula/datomic.rb
+++ b/Library/Formula/datomic.rb
@@ -4,27 +4,18 @@ class Datomic < Formula
   sha256 "3fd1d7a8a2c400f570899e6bb77af246ea7d7561f7692b84f299064b8b22b681"
   version "0.9.5130"
 
-  def write_libexec_alias(*script_names)
-    base = "datomic"
-    script_names.each do |script_name|
-      alias_name = script_name == base ? base : "#{base}-#{script_name}"
-      (bin + alias_name).write <<-EOS.undent
-        #!/bin/bash
-        cd #{libexec} && exec "bin/#{script_name}" "$@"
-      EOS
-    end
-  end
+  depends_on :java
 
   def install
     libexec.install Dir["*"]
-    binaries = %w[datomic transactor repl repl-jline rest shell]
-    write_libexec_alias(*binaries)
+    (bin/"datomic").write_env_script libexec/"bin/datomic", :JAVA_HOME => ENV["JAVA_HOME"]
+    %w[transactor repl repl-jline rest shell].each do |file|
+      (bin/"datomic-#{file}").write_env_script libexec/"bin/#{file}", :JAVA_HOME => ENV["JAVA_HOME"]
+    end
   end
 
   def caveats
     <<-EOS.undent
-      You may need to set JAVA_HOME:
-        export JAVA_HOME="$(/usr/libexec/java_home)"
       All commands have been installed with the prefix "datomic-".
 
       We agreed to the Datomic Free Edition License for you:
@@ -34,8 +25,6 @@ class Datomic < Formula
   end
 
   test do
-    ENV["JAVA_HOME"] = `/usr/libexec/java_home`.strip
-
     help = pipe_output("#{bin}/datomic-shell", "Shell.help();\n")
     assert_match(/^\* Basics/, help)
   end