Add initial repo handling scripts

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/prepare-shared-repos

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+#
+# Iterate over a set of repositories in a json file and setup a shared directory containing them
+#
+# Called with $1 - The json file containing the repositories to use
+#             $2 - The shared directory where the repos are to be transferred
+#
+
+import json
+import os
+import sys
+import subprocess
+import errno
+
+import utils
+
+if len(sys.argv) != 3:
+    print("Incorrect number of parameters, please call as %s repo.json")
+    sys.exit(1)
+
+repojson = sys.argv[1]
+shared = sys.argv[2]
+
+ourconfig = utils.loadconfig(__file__)
+
+with open(repojson) as f:
+    repos = json.load(f)
+
+stash = ourconfig["REPO_STASH_DIR"]
+
+for repo in sorted(repos.keys()):
+    sharedrepo = "%s/%s" % (shared, repo)
+    branch = repos[repo][1]
+    revision = repos[repo][2]
+    if os.path.exists(stash + "/" + repo):
+        subprocess.check_call(["git", "clone", "file://%s/%s" % (stash, repo), "%s/%s" % (shared, repo)])
+        subprocess.check_call(["git", "remote", "rm", "origin"], cwd=sharedrepo)
+        subprocess.check_call(["git", "remote", "add", "origin", repos[repo][0]], cwd=sharedrepo)
+        subprocess.check_call(["git", "fetch", "origin", "-t"], cwd=sharedrepo)
+    else:
+        subprocess.check_call(["git", "clone", repos[repo][0], sharedrepo])
+
+    subprocess.check_call(["git", "checkout", branch], cwd=sharedrepo)
+    subprocess.check_call(["git", "reset", revision, "--hard"], cwd=sharedrepo)
+

scripts/shared-repo-unpack

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+#
+# Unpack a shared directory of repos to the autobuilder working directory
+#
+# Called with $1 - The json file containing the repositories to use
+#             $2 - The shared directory where the repos are to be transferred from (can be 'None')
+#             $3 - The autobuilder working directory
+#
+
+import json
+import os
+import sys
+import subprocess
+import errno
+
+import utils
+
+if len(sys.argv) != 4:
+    print("Incorrect number of parameters, please call as %s repo.json")
+    sys.exit(1)
+
+repojson = sys.argv[1]
+shared = sys.argv[2]
+targetdir = sys.argv[3]
+
+ourconfig = utils.loadconfig(__file__)
+
+with open(repojson) as f:
+    repos = json.load(f)
+
+if shared:
+   "cp shared targetdir"
+else:
+   "prepare-shared-repos repojson targetdir" 
+