#
# TODO:
# - support integrations (at least p4i)
-# - support incremental imports
-# - create tags
-# - instead of reading all files into a variable try to pipe from
# - support p4 submit (hah!)
-# - don't hardcode the import to master
#
import os, string, sys, time
-import marshal, popen2
+import marshal, popen2, getopt
-if len(sys.argv) != 2:
+branch = "refs/heads/p4"
+prefix = previousDepotPath = os.popen("git-repo-config --get p4.depotpath").read()
+if len(prefix) != 0:
+ prefix = prefix[:-1]
+
+try:
+ opts, args = getopt.getopt(sys.argv[1:], "", [ "branch=" ])
+except getopt.GetoptError:
+ print "fixme, syntax error"
+ sys.exit(1)
+
+for o, a in opts:
+ if o == "--branch":
+ branch = "refs/heads/" + a
+
+if len(args) == 0 and len(prefix) != 0:
+ print "[using previously specified depot path %s]" % prefix
+elif len(args) != 1:
print "usage: %s //depot/path[@revRange]" % sys.argv[0]
print "\n example:"
- print " %s //depot/my/project/ -- to import everything"
+ print " %s //depot/my/project/ -- to import the current head"
+ print " %s //depot/my/project/@all -- to import everything"
print " %s //depot/my/project/@1,6 -- to import only from revision 1 to 6"
print ""
print " (a ... is not needed in the path p4 specification, it's added implicitly)"
print ""
sys.exit(1)
+else:
+ if len(prefix) != 0 and prefix != args[0]:
+ print "previous import used depot path %s and now %s was specified. this doesn't work!" % (prefix, args[0])
+ sys.exit(1)
+ prefix = args[0]
-prefix = sys.argv[1]
changeRange = ""
-try:
+revision = ""
+users = {}
+initialParent = ""
+
+if prefix.find("@") != -1:
atIdx = prefix.index("@")
changeRange = prefix[atIdx:]
+ if changeRange == "@all":
+ changeRange = ""
+ elif changeRange.find(",") == -1:
+ revision = changeRange
+ changeRange = ""
prefix = prefix[0:atIdx]
-except ValueError:
- changeRange = ""
+elif prefix.find("#") != -1:
+ hashIdx = prefix.index("#")
+ revision = prefix[hashIdx:]
+ prefix = prefix[0:hashIdx]
+elif len(previousDepotPath) == 0:
+ revision = "#head"
+
+if prefix.endswith("..."):
+ prefix = prefix[:-3]
if not prefix.endswith("/"):
prefix += "/"
result.update(entry)
return result;
-def p4FileSize(path):
- return int(p4Cmd("fstat -Ol \"%s\"" % path)["fileSize"])
-
-def getUserMap():
- users = {}
-
- for output in p4CmdList("users"):
- if not output.has_key("User"):
- continue
- users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">"
- return users
-
-users = getUserMap()
+def commit(details):
+ global initialParent
+ global users
-output = os.popen("p4 changes %s...%s" % (prefix, changeRange)).readlines()
+ epoch = details["time"]
+ author = details["user"]
-changes = []
-for line in output:
- changeNum = line.split(" ")[1]
- changes.append(changeNum)
-
-changes.reverse()
-
-sys.stderr.write("\n")
-
-tz = - time.timezone / 36
-
-gitOutput, gitStream, gitError = popen2.popen3("git-fast-import")
-
-cnt = 1
-for change in changes:
- description = p4Cmd("describe %s" % change)
-
- sys.stdout.write("\rimporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
- cnt = cnt + 1
-
- epoch = description["time"]
- author = description["user"]
-
- gitStream.write("commit refs/heads/master\n")
+ gitStream.write("commit %s\n" % branch)
+ committer = ""
if author in users:
- gitStream.write("committer %s %s %s\n" % (users[author], epoch, tz))
+ committer = "%s %s %s" % (users[author], epoch, tz)
else:
- gitStream.write("committer %s <a@b> %s %s\n" % (author, epoch, tz))
+ committer = "%s <a@b> %s %s" % (author, epoch, tz)
+
+ gitStream.write("committer %s\n" % committer)
+
gitStream.write("data <<EOT\n")
- gitStream.write(description["desc"])
+ gitStream.write(details["desc"])
+ gitStream.write("\n[ imported from %s; change %s ]\n" % (prefix, details["change"]))
gitStream.write("EOT\n\n")
+ if len(initialParent) > 0:
+ gitStream.write("from %s\n" % initialParent)
+ initialParent = ""
+
fnum = 0
- while description.has_key("depotFile%s" % fnum):
- path = description["depotFile%s" % fnum]
+ while details.has_key("depotFile%s" % fnum):
+ path = details["depotFile%s" % fnum]
if not path.startswith(prefix):
print "\nchanged files: ignoring path %s outside of %s in change %s" % (path, prefix, change)
fnum = fnum + 1
continue
- rev = description["rev%s" % fnum]
+ rev = details["rev%s" % fnum]
depotPath = path + "#" + rev
relPath = path[len(prefix):]
- action = description["action%s" % fnum]
+ action = details["action%s" % fnum]
if action == "delete":
gitStream.write("D %s\n" % relPath)
else:
- fileSize = p4FileSize(depotPath)
mode = 644
- if description["type%s" % fnum].startswith("x"):
+ if details["type%s" % fnum].startswith("x"):
mode = 755
+ data = os.popen("p4 print -q \"%s\"" % depotPath, "rb").read()
+
gitStream.write("M %s inline %s\n" % (mode, relPath))
- gitStream.write("data %s\n" % fileSize)
- gitStream.write(os.popen("p4 print -q \"%s\"" % depotPath).read())
+ gitStream.write("data %s\n" % len(data))
+ gitStream.write(data)
gitStream.write("\n")
fnum = fnum + 1
gitStream.write("\n")
-gitStream.close()
-gitOutput.close()
-gitError.close()
+ gitStream.write("tag p4/%s\n" % details["change"])
+ gitStream.write("from %s\n" % branch);
+ gitStream.write("tagger %s\n" % committer);
+ gitStream.write("data 0\n\n")
+
+
+def getUserMap():
+ users = {}
+
+ for output in p4CmdList("users"):
+ if not output.has_key("User"):
+ continue
+ users[output["User"]] = output["FullName"] + " <" + output["Email"] + ">"
+ return users
+
+users = getUserMap()
+
+if len(changeRange) == 0:
+ try:
+ sout, sin, serr = popen2.popen3("git-name-rev --tags `git-rev-parse %s`" % branch)
+ output = sout.read()
+ tagIdx = output.index(" tags/p4/")
+ caretIdx = output.index("^")
+ rev = int(output[tagIdx + 9 : caretIdx]) + 1
+ changeRange = "@%s,#head" % rev
+ initialParent = os.popen("git-rev-parse %s" % branch).read()[:-1]
+ except:
+ pass
+
+sys.stderr.write("\n")
+
+tz = - time.timezone / 36
+tzsign = ("%s" % tz)[0]
+if tzsign != '+' and tzsign != '-':
+ tz = "+" + ("%s" % tz)
+
+if len(revision) > 0:
+ print "Doing initial import of %s from revision %s" % (prefix, revision)
+
+ details = { "user" : "git perforce import user", "time" : int(time.time()) }
+ details["desc"] = "Initial import of %s from the state at revision %s" % (prefix, revision)
+ details["change"] = revision
+ newestRevision = 0
+
+ fileCnt = 0
+ for info in p4CmdList("files %s...%s" % (prefix, revision)):
+ change = int(info["change"])
+ if change > newestRevision:
+ newestRevision = change
+
+ if info["action"] == "delete":
+ continue
+
+ for prop in [ "depotFile", "rev", "action", "type" ]:
+ details["%s%s" % (prop, fileCnt)] = info[prop]
+
+ fileCnt = fileCnt + 1
+
+ details["change"] = newestRevision
+
+ gitOutput, gitStream, gitError = popen2.popen3("git-fast-import")
+ try:
+ commit(details)
+ except:
+ print gitError.read()
+
+ gitStream.close()
+ gitOutput.close()
+ gitError.close()
+else:
+ output = os.popen("p4 changes %s...%s" % (prefix, changeRange)).readlines()
+
+ changes = []
+ for line in output:
+ changeNum = line.split(" ")[1]
+ changes.append(changeNum)
+
+ changes.reverse()
+
+ if len(changes) == 0:
+ print "no changes to import!"
+ sys.exit(1)
+
+ gitOutput, gitStream, gitError = popen2.popen3("git-fast-import")
+
+ cnt = 1
+ for change in changes:
+ description = p4Cmd("describe %s" % change)
+
+ sys.stdout.write("\rimporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
+ sys.stdout.flush()
+ cnt = cnt + 1
+
+ try:
+ commit(description)
+ except:
+ print gitError.read()
+ sys.exit(1)
+
+ gitStream.close()
+ gitOutput.close()
+ gitError.close()
print ""
+
+os.popen("git-repo-config p4.depotpath %s" % prefix).read()
+
+sys.exit(0)