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authorHolger Freyther <zecke@selfish.org>2008-01-08 02:53:25 +0000
committerHolger Freyther <zecke@selfish.org>2008-01-08 02:53:25 +0000
commitd705f2e604fa72fde95417307feb01b24fa6920f (patch)
tree3746df92c7a86d776d20435d8743ac6489b9253f /contrib/mtn2git
parent8d002927dc6ba3c4b380a1c41b8a61facd9fdddd (diff)
contrib/mtn2git/mtn2git.py: Have only one function that is parsing the manifest
Build a directory tree from a manifest with all the information we need. This currently is a list of directory names and a list of files (with absolute paths) and their revision and the executable attribute.
Diffstat (limited to 'contrib/mtn2git')
-rwxr-xr-xcontrib/mtn2git/mtn2git.py86
1 files changed, 38 insertions, 48 deletions
diff --git a/contrib/mtn2git/mtn2git.py b/contrib/mtn2git/mtn2git.py
index 8559643069..859b86fb11 100755
--- a/contrib/mtn2git/mtn2git.py
+++ b/contrib/mtn2git/mtn2git.py
@@ -107,20 +107,34 @@ def get_git_date(revision):
dt = datetime.datetime.strptime(revision["date"], "%Y-%m-%dT%H:%M:%S").strftime("%a, %d %b %Y %H:%M:%S +0000")
return dt
-def build_tree(manifest):
+def is_executable_attribute_set(attributes, rev):
+ assert(len(attributes) % 3 == 0), rev
+
+ if len(attributes) >= 3:
+ for i in range(0, len(attributes)%3+1):
+ if attributes[i] == "attr" and attributes[i+1] == "mtn:execute" and attributes[i+2] == "true":
+ return True
+ return False
+
+
+def build_tree(manifest, rev):
"""Assemble a filesystem tree from a given manifest"""
- dirs = {}
- files = {}
+ class tree:
+ def __init__(self):
+ self.dirs = {}
+ self.files= {}
+
+ tree = tree()
for line in manifest:
if line[0] == "file":
- files[line[1]] = (line[3],line[4:])
+ tree.files[line[1]] = (line[3], is_executable_attribute_set(line[4:], rev))
elif line[0] == "dir":
- dirs[line[1]] = 1
+ tree.dirs[line[1]] = 1
elif line[0] != "format_version":
- print >> sys.stderr, line[0]
- assert(False)
- return (dirs,files)
+ assert(False), "Rev: %s: Line[0]: '%s'" % (rev, line[0])
+
+ return tree
def fast_import(ops, revision):
@@ -158,16 +172,11 @@ def fast_import(ops, revision):
return
# Use the manifest to find dirs and files
- manifest = [line for line in ops.get_manifest_of(revision["revision"])]
- manifests = {}
- dirs = {}
- for parent in revision["parent"]:
- manifests[parent] = [line for line in ops.get_manifest_of(parent)]
- for line in manifests[parent]:
- if line[0] == "dir":
- if not parent in dirs:
- dirs[parent] = {}
- dirs[parent][line[1]] = 1
+ current_tree = build_tree([line for line in ops.get_manifest_of(revision["revision"])], revision["revision"])
+
+ all_added = set()
+ all_modifications = set()
+ all_deleted = set()
# We can not just change the mode of a file but we need to modifiy the whole file. We
# will simply add it to the modified list and ask to retrieve the status from the manifest
@@ -195,9 +204,6 @@ def fast_import(ops, revision):
for parent in revision["parent"][1:]:
cmd += ["merge :%s" % get_mark(parent)]
- all_added = set()
- all_modifications = set()
- all_deleted = set()
for (dir_name, rev) in all_added:
cmd += ["M 644 inline %s" % os.path.join(dir_name, ".mtn2git_empty")]
@@ -206,7 +212,7 @@ def fast_import(ops, revision):
cmd += [""]
for (file_name, file_revision, rev) in all_modifications:
- (mode, file) = get_file_and_mode(ops, manifest, file_name, file_revision, revision["revision"])
+ (mode, file) = get_file_and_mode(ops, current_tree, file_name, file_revision, revision["revision"])
cmd += ["M %d inline %s" % (mode, file_name)]
cmd += ["data %d" % len(file)]
cmd += ["%s" % file]
@@ -228,33 +234,17 @@ def is_trusted(operations, revision):
return False
return True
-def get_file_and_mode(operations, manifest, file_name, _file_revision, rev = None):
- mode = 644
+def get_file_and_mode(operations, file_tree, file_name, _file_revision, rev = None):
+ assert file_name in file_tree.files, "get_file_and_mode: Revision '%s', file_name='%s' " % (rev, file_name)
- file_revision = None
- for line in manifest:
- if line[0] == "file" and line[1] == file_name:
- assert(line[1] == file_name)
- assert(line[2] == "content")
-
- if _file_revision:
- assert(line[3] == _file_revision)
- file_revision = line[3]
-
- attributes = line[4:]
- assert(len(attributes) % 3 == 0)
- if len(attributes) >= 3:
- for i in range(0, len(attributes)%3+1):
- if attributes[i] == "attr" and attributes[i+1] == "mtn:execute" and attributes[i+2] == "true":
- mode = 755
- break
-
- assert(file_revision)
- file = "".join([file for file in operations.get_file(file_revision)])
- return (mode, file)
-
- print >> sys.stderr, file_name, rev
- assert(False)
+ (file_revision, executable) = file_tree.files[file_name]
+ if executable:
+ mode = 755
+ else:
+ mode = 644
+
+ file = "".join([file for file in operations.get_file(file_revision)])
+ return (mode, file)
def parse_revision(operations, revision):