Copy from graal srcipt, similart to SL.

Author: boris-spas

copy_from_graal.py

@@ -0,0 +1,87 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Since Simple Tool is not developed on this repository, we need to periodically sync this repository with the developement one.
+# This scipt automates cloning the source repository and copying the ST code from there to here.
+# Requires git to be installed.
+
+import os
+import sys
+from subprocess import call
+
+GRAAL_REPO = "https://github.com/oracle/graal"
+GRAAL_DIR = "../" + GRAAL_REPO.split('/')[-1]
+
+def fail(message):
+    """ Print message to stderr and exit script
+
+    """
+    print >> sys.stderr, message
+    sys.exit(1)
+
+def clone(repo, path = ""):
+    """ Clones the given repo url using git
+
+    :repo: String containing the url
+
+    """
+    if call(["git", "clone", repo, path]) != 0:
+        fail("Could not clone " + repo)
+    pass
+
+def checkout(path, commit, create = False):
+    """ Checks out a new branch in SL
+
+    :cwd: path to the git repo
+    :commit: String, name for the new branch
+    :create: create new or expect it to exist
+
+    """
+    command = ["git", "checkout"]
+    if create:
+        command.append("-b")
+    command.append(commit)
+    if call(command, cwd=path) != 0:
+        fail("Could not checkout " + commit + " from " + path)
+
+def replace(source, dest):
+    """ Replace contents of dest dir with contents of source dir
+
+    :source: String path to source
+    :dest: String path do destination
+
+    """
+    call(["rm", "-rf", dest])
+    call(["mkdir", "-p", dest])
+    call(["cp", "-RTf", source, dest])
+
+def copy_st():
+    """ Copies ST from graal to simpletool
+
+    """
+    replace(GRAAL_DIR + "/truffle/src/com.oracle.truffle.st/src/com"         , "src/main/java/com")
+    replace(GRAAL_DIR + "/truffle/src/com.oracle.truffle.st.test/src/com"    , "src/test/java/com")
+
+def update_st(revision):
+    """ Updates the SL repo from the graal repo given a revision
+
+    :revision: the hash of the commit in the graal repo to be used
+
+    """
+    checkout(".", "st_update_"+revision, True)
+    if os.path.isdir(GRAAL_DIR):
+        call(['git', 'fetch'], cwd=GRAAL_DIR)
+    else:
+        clone(GRAAL_REPO, GRAAL_DIR)
+    checkout(GRAAL_DIR, revision)
+    copy_st()
+    print ""
+    print "NOTE: Update the version in st, README.md and all pom.xml files!"
+    print "NOTE: Follow the instructions in README.md and make sure mvn package executes correctly!"
+    print "NOTE: Make sure project open correctly on the supported IDEs!"
+    print ""
+
+if __name__ == "__main__":
+    if (len(sys.argv) != 2):
+        fail("usage: " + sys.argv[0] + " idOfGraalCommitToUseAsBase")
+    update_st(sys.argv[1])