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-rwxr-xr-xcontrib/fast-import/p4-fast-export.py128
1 files changed, 90 insertions, 38 deletions
diff --git a/contrib/fast-import/p4-fast-export.py b/contrib/fast-import/p4-fast-export.py
index 0a3e5c9934..b5dc6f6767 100755
--- a/contrib/fast-import/p4-fast-export.py
+++ b/contrib/fast-import/p4-fast-export.py
@@ -13,14 +13,16 @@ import os, string, sys, time
import marshal, popen2, getopt
knownBranches = set()
+committedChanges = set()
branch = "refs/heads/master"
globalPrefix = previousDepotPath = os.popen("git-repo-config --get p4.depotpath").read()
detectBranches = False
+changesFile = ""
if len(globalPrefix) != 0:
globalPrefix = globalPrefix[:-1]
try:
- opts, args = getopt.getopt(sys.argv[1:], "", [ "branch=", "detect-branches" ])
+ opts, args = getopt.getopt(sys.argv[1:], "", [ "branch=", "detect-branches", "changesfile=" ])
except getopt.GetoptError:
print "fixme, syntax error"
sys.exit(1)
@@ -30,6 +32,8 @@ for o, a in opts:
branch = "refs/heads/" + a
elif o == "--detect-branches":
detectBranches = True
+ elif o == "--changesfile":
+ changesFile = a
if len(args) == 0 and len(globalPrefix) != 0:
print "[using previously specified depot path %s]" % globalPrefix
@@ -53,7 +57,7 @@ changeRange = ""
revision = ""
users = {}
initialParent = ""
-lastChange = ""
+lastChange = 0
initialTag = ""
if globalPrefix.find("@") != -1:
@@ -104,6 +108,7 @@ def extractFilesFromCommit(commit):
path = commit["depotFile%s" % fnum]
if not path.startswith(globalPrefix):
print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, globalPrefix, change)
+ fnum = fnum + 1
continue
file = {}
@@ -115,7 +120,15 @@ def extractFilesFromCommit(commit):
fnum = fnum + 1
return files
+def isSubPathOf(first, second):
+ if not first.startswith(second):
+ return False
+ if first == second:
+ return True
+ return first[len(second)] == "/"
+
def branchesForCommit(files):
+ global knownBranches
branches = set()
for file in files:
@@ -123,9 +136,10 @@ def branchesForCommit(files):
# strip off the filename
relativePath = relativePath[0:relativePath.rfind("/")]
- if len(branches) == 0:
- branches.add(relativePath)
- continue
+# if len(branches) == 0:
+# branches.add(relativePath)
+# knownBranches.add(relativePath)
+# continue
###### this needs more testing :)
knownBranch = False
@@ -133,15 +147,32 @@ def branchesForCommit(files):
if relativePath == branch:
knownBranch = True
break
- if relativePath.startswith(branch):
+# if relativePath.startswith(branch):
+ if isSubPathOf(relativePath, branch):
knownBranch = True
break
- if branch.startswith(relativePath):
+# if branch.startswith(relativePath):
+ if isSubPathOf(branch, relativePath):
branches.remove(branch)
break
- if not knownBranch:
- branches.add(relativePath)
+ if knownBranch:
+ continue
+
+ for branch in knownBranches:
+ #if relativePath.startswith(branch):
+ if isSubPathOf(relativePath, branch):
+ if len(branches) == 0:
+ relativePath = branch
+ else:
+ knownBranch = True
+ break
+
+ if knownBranch:
+ continue
+
+ branches.add(relativePath)
+ knownBranches.add(relativePath)
return branches
@@ -149,12 +180,14 @@ def commit(details, files, branch, branchPrefix):
global initialParent
global users
global lastChange
+ global committedChanges
epoch = details["time"]
author = details["user"]
gitStream.write("commit %s\n" % branch)
gitStream.write("mark :%s\n" % details["change"])
+ committedChanges.add(int(details["change"]))
committer = ""
if author in users:
committer = "%s %s %s" % (users[author], epoch, tz)
@@ -173,9 +206,11 @@ def commit(details, files, branch, branchPrefix):
initialParent = ""
#mergedBranches = set()
- merge = 0
+ merges = set()
for file in files:
+ if lastChange == 0:
+ continue
path = file["path"]
if not path.startswith(branchPrefix):
continue
@@ -195,9 +230,14 @@ def commit(details, files, branch, branchPrefix):
print "eek! wrong action in filelog for %s : found %s, expected %s" % (depotPath, log["action0"], action)
sys.exit(1);
- if not log["how0,0"].endswith(" from"):
- print "eek! file %s was not branched but instead: %s" % (depotPath, log["how0,0"])
- sys.exit(1);
+ branchAction = log["how0,0"]
+# if branchAction == "branch into" or branchAction == "ignored":
+# continue # ignore for branching
+
+ if not branchAction.endswith(" from"):
+ continue # ignore for branching
+# print "eek! file %s was not branched from but instead: %s" % (depotPath, branchAction)
+# sys.exit(1);
source = log["file0,0"]
if source.startswith(branchPrefix):
@@ -212,8 +252,7 @@ def commit(details, files, branch, branchPrefix):
sourceLog = sourceLog[0]
change = int(sourceLog["change0"])
- if change > merge:
- merge = change
+ merges.add(change)
# relPath = source[len(globalPrefix):]
#
@@ -223,13 +262,14 @@ def commit(details, files, branch, branchPrefix):
# mergedBranches.add(branch)
# break
- if merge != 0:
- gitStream.write("merge :%s\n" % merge)
+ for merge in merges:
+ if merge in committedChanges:
+ gitStream.write("merge :%s\n" % merge)
for file in files:
path = file["path"]
if not path.startswith(branchPrefix):
- print "\nchanged files: ignoring path %s outside of branch prefix %s in change %s" % (path, branchPrefix, change)
+ print "\nchanged files: ignoring path %s outside of branch prefix %s in change %s" % (path, branchPrefix, details["change"])
continue
rev = file["rev"]
depotPath = path + "#" + rev
@@ -252,7 +292,7 @@ def commit(details, files, branch, branchPrefix):
gitStream.write("\n")
- lastChange = details["change"]
+ lastChange = int(details["change"])
def getUserMap():
users = {}
@@ -322,14 +362,26 @@ if len(revision) > 0:
print gitError.read()
else:
- output = os.popen("p4 changes %s...%s" % (globalPrefix, changeRange)).readlines()
-
changes = []
- for line in output:
- changeNum = line.split(" ")[1]
- changes.append(changeNum)
- changes.reverse()
+ if len(changesFile) > 0:
+ output = open(changesFile).readlines()
+ changeSet = set()
+ for line in output:
+ changeSet.add(int(line))
+
+ for change in changeSet:
+ changes.append(change)
+
+ changes.sort()
+ else:
+ output = os.popen("p4 changes %s...%s" % (globalPrefix, changeRange)).readlines()
+
+ for line in output:
+ changeNum = line.split(" ")[1]
+ changes.append(changeNum)
+
+ changes.reverse()
if len(changes) == 0:
print "no changes to import!"
@@ -343,19 +395,19 @@ else:
sys.stdout.flush()
cnt = cnt + 1
- try:
- files = extractFilesFromCommit(description)
- if detectBranches:
- for branch in branchesForCommit(files):
- knownBranches.add(branch)
- branchPrefix = globalPrefix + branch + "/"
- branch = "refs/heads/" + branch
- commit(description, files, branch, branchPrefix)
- else:
- commit(description, files, branch, globalPrefix)
- except:
- print gitError.read()
- sys.exit(1)
+# try:
+ files = extractFilesFromCommit(description)
+ if detectBranches:
+ for branch in branchesForCommit(files):
+ knownBranches.add(branch)
+ branchPrefix = globalPrefix + branch + "/"
+ branch = "refs/heads/" + branch
+ commit(description, files, branch, branchPrefix)
+ else:
+ commit(description, files, branch, globalPrefix)
+# except:
+# print gitError.read()
+# sys.exit(1)
print ""