chore: Switch to this repository from predecessor

bin/fosgen

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+#!/bin/bash
+
+##### Convenience:
+erro() { printf "%s\n" "$*" >&2; }
+
+##### Set defaults:
+SUPPRESS_ERR=YES
+LANGUAGE=Python
+
+##### Extract command line options:
+while [[ $1 = -* ]]
+do
+  case $1 in
+    -h|--help)
+      echo
+      echo "Usage:"
+      echo "  fosgen [-d] [-l LANGUAGE] FILE"
+      echo
+      echo "Writes to standard output the code generated from the fostr"
+      echo "program in FILE, targeting the specified LANGUAGE (which"
+      echo "defaults to Python)."
+      echo
+      echo "The -d option writes diagnostic output to standard error."
+      exit
+      ;;
+    -d)
+      SUPPRESS_ERR=''
+      ;;
+    -l)
+      shift
+      LANGUAGE="$1"
+      ;;
+  esac
+  shift
+done
+
+##### Get positional arguments:
+PROGRAM=$1
+
+##### Corral resources:
+BINDIR=$(dirname $BASH_SOURCE)
+SUNJAR="$BINDIR/../lib/sunshine.jar"
+PROJDIR="$BINDIR/.."
+
+if [[ ! -f $SUNJAR ]]; then
+  erro "Please download the Spoofax Sunshine jar to the lib directory."
+  erro "Recommended command:"
+  erro "  curl -o lib/sunshine.jar -L 'http://artifacts.metaborg.org/service/local/artifact/maven/redirect?r=snapshots&g=org.metaborg&a=org.metaborg.sunshine2&v=LATEST'"
+  exit 1
+fi
+
+if [[ ! $MVN_REPO ]]; then
+  MVN_REPO="$HOME/.m2/repository"
+fi
+if [[ ! -d $MVN_REPO ]]; then
+  MVN_REPO="/root/.m2/repository"
+fi
+if [[ ! -d $MVN_REPO ]]; then
+  erro "Cannot find your Maven repository. Please set environment variable"
+  erro "MVN_REPO to its full path and re-run."
+  exit 1
+fi
+
+##### Perform the code generation:
+if [[ $SUPPRESS_ERR ]]
+then
+  exec 2>/dev/null
+fi
+
+java -jar $SUNJAR transform -p $PROJDIR -l $PROJDIR -l $MVN_REPO -n $LANGUAGE -i $PROGRAM
+exit $?