151 lines
4.2 KiB
Python
151 lines
4.2 KiB
Python
#!/usr/bin/python
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#
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# p4-fast-export.py
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#
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# Author: Simon Hausmann <hausmann@kde.org>
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# License: MIT <http://www.opensource.org/licenses/mit-license.php>
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#
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# TODO: - fix date parsing (how hard can it be?)
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# - support integrations (at least p4i)
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# - support incremental imports
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# - create tags
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# - instead of reading all files into a variable try to pipe from
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# - p4 print directly to stdout. need to figure out file size somehow
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# though.
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# - support p4 submit (hah!)
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# - don't hardcode the import to master
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#
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import os, string, sys
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# yep, that's hardcoded right. will fix to a commandline option rsn :)
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prefix = "//depot/qt/main/"
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# that's in revision range syntax, for example @2342,523634
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changeRange = ""
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def describe(change):
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output = os.popen("p4 describe %s" % change).readlines()
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firstLine = output[0]
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author = firstLine.split(" ")[3]
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author = author[:author.find("@")]
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filesSection = 0
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try:
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filesSection = output.index("Affected files ...\n")
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except ValueError:
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sys.stderr.write("Change %s doesn't seem to affect any files. Weird.\n" % change)
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return [], [], [], []
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differencesSection = 0
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try:
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differencesSection = output.index("Differences ...\n")
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except ValueError:
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sys.stderr.write("Change %s doesn't seem to have a differences section. Weird.\n" % change)
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return [], [], [], []
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log = output[2:filesSection - 1]
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lines = output[filesSection + 2:differencesSection - 1]
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changed = []
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removed = []
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for line in lines:
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# chop off "... " and trailing newline
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line = line[4:len(line) - 1]
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lastSpace = line.rfind(" ")
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if lastSpace == -1:
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sys.stderr.write("trouble parsing line %s, skipping!\n" % line)
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continue
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operation = line[lastSpace + 1:]
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path = line[:lastSpace]
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if operation == "delete":
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removed.append(path)
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else:
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changed.append(path)
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return author, log, changed, removed
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def p4cat(path):
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return os.popen("p4 print -q \"%s\"" % path).read()
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def stripRevision(path):
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hashPos = path.rindex("#")
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return path[:hashPos]
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def getUserMap():
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users = {}
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output = os.popen("p4 users")
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for line in output:
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firstSpace = line.index(" ")
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secondSpace = line.index(" ", firstSpace + 1)
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key = line[:firstSpace]
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email = line[firstSpace + 1:secondSpace]
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openParenPos = line.index("(", secondSpace)
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closedParenPos = line.index(")", openParenPos)
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name = line[openParenPos + 1:closedParenPos]
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users[key] = name + " " + email
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return users
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users = getUserMap()
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output = os.popen("p4 changes %s...%s" % (prefix, changeRange)).readlines()
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changes = []
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for line in output:
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changeNum = line.split(" ")[1]
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changes.append(changeNum)
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changes.reverse()
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sys.stderr.write("\n")
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cnt = 0
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for change in changes:
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[ author, log, changedFiles, removedFiles ] = describe(change)
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sys.stderr.write("\rimporting revision %s (%s%%)" % (change, cnt * 100 / len(changes)))
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cnt = cnt + 1
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# sys.stderr.write("%s\n" % log)
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# sys.stderr.write("%s\n" % changedFiles)
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# sys.stderr.write("%s\n" % removedFiles)
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print "commit refs/heads/master"
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if author in users:
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print "committer %s 1 2" % users[author]
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else:
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print "committer %s <a@b> 1 2" % author
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print "data <<EOT"
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for l in log:
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print l[:len(l) - 1]
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print "EOT"
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print ""
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for f in changedFiles:
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if not f.startswith(prefix):
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sys.stderr.write("\nchanged files: ignoring path %s outside of %s in change %s\n" % (f, prefix, change))
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continue
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relpath = f[len(prefix):]
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print "M 644 inline %s" % stripRevision(relpath)
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data = p4cat(f)
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print "data %s" % len(data)
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sys.stdout.write(data)
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print ""
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for f in removedFiles:
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if not f.startswith(prefix):
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sys.stderr.write("\ndeleted files: ignoring path %s outside of %s in change %s\n" % (f, prefix, change))
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continue
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relpath = f[len(prefix):]
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print "D %s" % stripRevision(relpath)
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print ""
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