pkg(octave-6.2.0): add aliases/file extensions (#249)

Octave aliases/file extensions compliant to https://octave.org/doc/v6.2.0/Introduction-to-Function-and-Script-Files.html

packages/octave/6.2.0/metadata.json

@@ -1,5 +1,5 @@
 {
   "language": "octave",
   "version": "6.2.0",
-  "aliases": []
+  "aliases": ["matlab", "m"]
 }

packages/rockstar/1.0.0/build.sh

@@ -1,20 +1,11 @@
 #!/bin/bash
 
-# Download and install NodeJS
-curl "https://nodejs.org/dist/v15.10.0/node-v15.10.0-linux-x64.tar.xz" -o node.tar.xz
-tar xf node.tar.xz --strip-components=1
-rm node.tar.xz
-export PATH=$PWD/bin:$PATH
+# Using the Rocky implementation of the Rockstar spec
 
-# Pull Rockstar reference implementation project
-git clone -q "https://github.com/RockstarLang/rockstar.git" rockstar
-cd rockstar
-git reset --hard bc9eedc6acb7c0f31a425cc204dcd93cb3e68936
+# Download Java
+source ../../java/15.0.2/build.sh
 
-# Install Satriani dependencies
-cd satriani
-npm install
-cd ../..
-
-# Suppress "(program returned no output)" output at the end of each program
-sed -i 's/console.log(result ? result : "(program returned no output)");/if (result) console.log(result);/g' rockstar/satriani/rockstar.js
+# Download Rocky and the wrapper
+curl -LO "https://github.com/gaborsch/rocky/raw/master/rocky.jar"
+curl -LO "https://github.com/gaborsch/rocky/raw/master/rockstar"
+chmod +x rockstar

packages/rockstar/1.0.0/environment

@@ -1,2 +1,5 @@
-export ROCKSTAR_PATH=$PWD/rockstar/satriani
+#!/bin/bash
+
+# Paths to the Java binary and Rocky jar
+export ROCKSTAR_PATH=$PWD
 export PATH=$PWD/bin:$PATH

packages/rockstar/1.0.0/metadata.json

@@ -1,5 +1,5 @@
 {
     "language": "rockstar",
     "version": "1.0.0",
-    "aliases": ["rockstar", "rock"]
+    "aliases": ["rock", "rocky"]
 }

packages/rockstar/1.0.0/run

@@ -1,3 +1,4 @@
 #!/bin/bash
 
-node $ROCKSTAR_PATH/rockstar "$@"
+# Run Rockstar file (no args or multifile execution, only stdin)
+$ROCKSTAR_PATH/rockstar "$1"

packages/zig/0.7.1/compile

@@ -3,4 +3,4 @@
 # optimizing for small programs
 rename 's/$/\.zig/' "$@" # Add .zig extension
 
-zig build-exe -O ReleaseSmall --color off --cache-dir . --global-cache-dir . --name out *.zig
+zig build-exe -O ReleaseSafe --color off --cache-dir . --global-cache-dir . --name out *.zig