Make sure all popen calls use binary mode (for Windows) and
[gitweb.git] / contrib / fast-import / git-p4
index 6b74feeb642281e48f7c56a39545c3797495aade..d83ce1ae95175f2c239f302948272a771b1b9146 100755 (executable)
@@ -8,12 +8,15 @@
 # License: MIT <http://www.opensource.org/licenses/mit-license.php>
 #
 
-import optparse, sys, os, marshal, popen2, shelve
+import optparse, sys, os, marshal, popen2, subprocess, shelve
 import tempfile, getopt, sha, os.path, time
 from sets import Set;
 
 gitdir = os.environ.get("GIT_DIR", "")
 
+def mypopen(command):
+    return os.popen(command, "rb");
+
 def p4CmdList(cmd):
     cmd = "p4 -G %s" % cmd
     pipe = os.popen(cmd, "rb")
@@ -57,7 +60,7 @@ def die(msg):
     sys.exit(1)
 
 def currentGitBranch():
-    return os.popen("git name-rev HEAD").read().split(" ")[1][:-1]
+    return mypopen("git name-rev HEAD").read().split(" ")[1][:-1]
 
 def isValidGitDir(path):
     if os.path.exists(path + "/HEAD") and os.path.exists(path + "/refs") and os.path.exists(path + "/objects"):
@@ -71,7 +74,7 @@ def system(cmd):
 def extractLogMessageFromGitCommit(commit):
     logMessage = ""
     foundTitle = False
-    for log in os.popen("git cat-file commit %s" % commit).readlines():
+    for log in mypopen("git cat-file commit %s" % commit).readlines():
        if not foundTitle:
            if len(log) == 1:
                foundTitle = True
@@ -100,9 +103,8 @@ def extractDepotPathAndChangeFromGitLog(log):
     return values.get("depot-path"), values.get("change")
 
 def gitBranchExists(branch):
-    if os.system("git rev-parse %s 2>/dev/null >/dev/null" % branch) == 0:
-        return True
-    return False
+    proc = subprocess.Popen(["git", "rev-parse", branch], stderr=subprocess.PIPE, stdout=subprocess.PIPE);
+    return proc.wait() == 0;
 
 class Command:
     def __init__(self):
@@ -146,7 +148,7 @@ class P4CleanTags(Command):
             caretIdx = len(output) - 1
         rev = int(output[tagIdx + 9 : caretIdx])
 
-        allTags = os.popen("git tag -l p4/").readlines()
+        allTags = mypopen("git tag -l p4/").readlines()
         for i in range(len(allTags)):
             allTags[i] = int(allTags[i][3:-1])
 
@@ -155,7 +157,7 @@ class P4CleanTags(Command):
         allTags.remove(rev)
 
         for rev in allTags:
-            print os.popen("git tag -d p4/%s" % rev).read()
+            print mypopen("git tag -d p4/%s" % rev).read()
 
         print "%s tags removed." % len(allTags)
         return True
@@ -194,7 +196,7 @@ class P4Submit(Command):
             die("Cannot start sync. Previous sync config found at %s" % self.configFile)
 
         commits = []
-        for line in os.popen("git rev-list --no-merges %s..%s" % (self.origin, self.master)).readlines():
+        for line in mypopen("git rev-list --no-merges %s..%s" % (self.origin, self.master)).readlines():
             commits.append(line[:-1])
         commits.reverse()
 
@@ -224,8 +226,8 @@ class P4Submit(Command):
         return result
 
     def apply(self, id):
-        print "Applying %s" % (os.popen("git log --max-count=1 --pretty=oneline %s" % id).read())
-        diff = os.popen("git diff-tree -r --name-status \"%s^\" \"%s\"" % (id, id)).readlines()
+        print "Applying %s" % (mypopen("git log --max-count=1 --pretty=oneline %s" % id).read())
+        diff = mypopen("git diff-tree -r --name-status \"%s^\" \"%s\"" % (id, id)).readlines()
         filesToAdd = set()
         filesToDelete = set()
         for line in diff:
@@ -282,11 +284,11 @@ class P4Submit(Command):
         logMessage = logMessage.replace("\n", "\n\t")
         logMessage = logMessage[:-1]
 
-        template = os.popen("p4 change -o").read()
+        template = mypopen("p4 change -o").read()
 
         if self.interactive:
             submitTemplate = self.prepareLogMessage(template, logMessage)
-            diff = os.popen("p4 diff -du ...").read()
+            diff = mypopen("p4 diff -du ...").read()
 
             for newFile in filesToAdd:
                 diff += "==== new file ====\n"
@@ -323,7 +325,7 @@ class P4Submit(Command):
                    print submitTemplate
                    raw_input("Press return to continue...")
                else:
-                    pipe = os.popen("p4 submit -i", "w")
+                    pipe = mypopen("p4 submit -i", "w")
                     pipe.write(submitTemplate)
                     pipe.close()
             else:
@@ -455,7 +457,6 @@ class P4Sync(Command):
         self.detectBranches = False
         self.detectLabels = False
         self.changesFile = ""
-        self.tagLastChange = True
 
     def p4File(self, depotPath):
         return os.popen("p4 print -q \"%s\"" % depotPath, "rb").read()
@@ -858,15 +859,11 @@ class P4Sync(Command):
                 self.depotPath = self.previousDepotPath
                 self.changeRange = "@%s,#head" % p4Change
                 self.initialParent = self.branch
-                self.tagLastChange = False
                 if not self.silent:
                     print "Performing incremental import into %s git branch" % self.branch
 
         self.branch = "refs/heads/" + self.branch
 
-        if len(self.depotPath) == 0:
-            self.depotPath = self.previousDepotPath = os.popen("git repo-config --get p4.depotpath").read()
-
         if len(self.depotPath) != 0:
             self.depotPath = self.depotPath[:-1]
 
@@ -884,7 +881,6 @@ class P4Sync(Command):
         self.revision = ""
         self.users = {}
         self.lastChange = 0
-        self.initialTag = ""
 
         if self.depotPath.find("@") != -1:
             atIdx = self.depotPath.index("@")
@@ -926,17 +922,16 @@ class P4Sync(Command):
                     endPos = caretIdx
                 self.rev = int(output[tagIdx + 9 : endPos]) + 1
                 self.changeRange = "@%s,#head" % self.rev
-                self.initialParent = os.popen("git rev-parse %s" % self.branch).read()[:-1]
-                self.initialTag = "p4/%s" % (int(self.rev) - 1)
+                self.initialParent = mypopen("git rev-parse %s" % self.branch).read()[:-1]
             except:
                 pass
 
         self.tz = "%+03d%02d" % (- time.timezone / 3600, ((- time.timezone % 3600) / 60))
 
-        importProcess = popen2.Popen3("git fast-import", capturestderr = True)
-        self.gitOutput = importProcess.fromchild
-        self.gitStream = importProcess.tochild
-        self.gitError = importProcess.childerr
+        importProcess = subprocess.Popen(["git", "fast-import"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE);
+        self.gitOutput = importProcess.stdout
+        self.gitStream = importProcess.stdin
+        self.gitError = importProcess.stderr
 
         if len(self.revision) > 0:
             print "Doing initial import of %s from revision %s" % (self.depotPath, self.revision)
@@ -984,7 +979,7 @@ class P4Sync(Command):
 
                 changes.sort()
             else:
-                output = os.popen("p4 changes %s...%s" % (self.depotPath, self.changeRange)).readlines()
+                output = mypopen("p4 changes %s...%s" % (self.depotPath, self.changeRange)).readlines()
 
                 for line in output:
                     changeNum = line.split(" ")[1]
@@ -1049,20 +1044,12 @@ class P4Sync(Command):
         if not self.silent:
             print ""
 
-        if self.tagLastChange:
-            self.gitStream.write("reset refs/tags/p4/%s\n" % self.lastChange)
-            self.gitStream.write("from %s\n\n" % self.branch);
-
 
         self.gitStream.close()
         self.gitOutput.close()
         self.gitError.close()
         importProcess.wait()
 
-        os.popen("git repo-config p4.depotpath %s" % self.depotPath).read()
-        if len(self.initialTag) > 0:
-            os.popen("git tag -d %s" % self.initialTag).read()
-
         return True
 
 class P4Rebase(Command):
@@ -1075,7 +1062,7 @@ class P4Rebase(Command):
         sync = P4Sync()
         sync.run([])
         print "Rebasing the current branch"
-        oldHead = os.popen("git rev-parse HEAD").read()[:-1]
+        oldHead = mypopen("git rev-parse HEAD").read()[:-1]
         system("git rebase p4")
         system("git diff-tree --stat --summary -M %s HEAD" % oldHead)
         return True
@@ -1086,7 +1073,6 @@ class P4Clone(P4Sync):
         self.description = "Creates a new git repository and imports from Perforce into it"
         self.usage = "usage: %prog [options] //depot/path[@revRange] [directory]"
         self.needsGit = False
-        self.tagLastChange = False
 
     def run(self, args):
         if len(args) < 1:
@@ -1192,7 +1178,7 @@ if cmd.needsGit:
     if len(gitdir) == 0:
         gitdir = ".git"
         if not isValidGitDir(gitdir):
-            cdup = os.popen("git rev-parse --show-cdup").read()[:-1]
+            cdup = mypopen("git rev-parse --show-cdup").read()[:-1]
             if isValidGitDir(cdup + "/" + gitdir):
                 os.chdir(cdup)