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#!/usr/bin/env python
# $Id: makebranch.py 3177 2006-04-27 06:25:26Z rogerb $
# Check subversion is on the path
import os, sys, xml.dom.minidom, tempfile
if os.popen("svn help", "r").read().find("proplist")<0:
print "You need to have the Subversion binaries available. A good start is"
print "http://subversion.tigris.org/project_packages.html"
sys.exit(1)
# check to see we are at a top level directory
topdirs=('buildrelease', 'dev-doc', 'examples', 'experiments', 'help', 'helpers', 'packaging', 'resources', 'scripts', 'src')
for d in topdirs:
if not os.path.isdir(d):
print "There should be a directory named",d
sys.exit(2)
# sys.argv[1] is the branch target
if len(sys.argv)<2 or not sys.argv[1].startswith("/"):
print "The first argument needs to be where you want the branch to appear"
print "and should be relative to the top of the repository. For example"
print "/developer/rogerb/gofaster would put the branch at"
print "https://svn.sourceforge.net/svnroot/bitpim/developer/rogerb/gofaster"
sys.exit(3)
branchtarget="https://svn.sourceforge.net/svnroot/bitpim"+sys.argv[1]
branchdirs=sys.argv[2:]
if len(branchdirs)<=1:
print "You need to supply the list of directories you want to branch"
print "The most likely one is src"
sys.exit(4)
for d in branchdirs:
if d not in topdirs:
print d,"is not a valid directory!"
sys.exit(5)
def run(cmd):
print cmd
res=os.system(cmd)
if res:
print "Returned code",res,"! Aborting!"
sys.exit(res)
externals=[]
copies=[]
metadata=xml.dom.minidom.parseString(os.popen("svn info --xml .", "r").read())
toprev=int(metadata.documentElement.getElementsByTagName("entry")[0].getAttribute("revision"))
topurl=str(metadata.documentElement.getElementsByTagName("entry")[0].getElementsByTagName("url")[0].firstChild.nodeValue)
toproot=str(metadata.documentElement.getElementsByTagName("entry")[0].getElementsByTagName("repository")[0].getElementsByTagName("root")[0].firstChild.nodeValue)
assert topurl.startswith(toproot)
toppath=topurl[len(toproot):]
for d in topdirs:
metadata=xml.dom.minidom.parseString(os.popen("svn info --xml "+d, "r").read())
url=str(metadata.documentElement.getElementsByTagName("entry")[0].getElementsByTagName("url")[0].firstChild.nodeValue)
rev=int(metadata.documentElement.getElementsByTagName("entry")[0].getAttribute("revision"))
root=str(metadata.documentElement.getElementsByTagName("entry")[0].getElementsByTagName("repository")[0].getElementsByTagName("root")[0].firstChild.nodeValue)
assert url.startswith(root)
path=url[len(root):]
# same rigmarole for the revision number
rev=int(metadata.documentElement.getElementsByTagName("entry")[0].getAttribute("revision"))
if d in branchdirs:
# we want to branch this one - dir, target, rev, path
copies.append( (d, "/".join([branchtarget, d]), rev, "/".join([toppath, d])) )
else:
externals.append( (d, url) )
cmd='svn mkdir -m "new branch on dirs %s from rev %d of %s" %s' % (`branchdirs`, toprev, toppath, branchtarget)
run(cmd)
for src,dest,rev,path in copies:
cmd='svn copy -m "branch from rev %d of %s" %s %s' % (rev, path, src, dest)
run(cmd)
# subversion doesn't allow setting properties against a URL - it has to be against local copy
branchdirname=tempfile.mkdtemp(prefix="__branch__")
externalsfile=tempfile.mkstemp(prefix="__externals__")
os.close(externalsfile[0])
externalsfile=externalsfile[1]
try:
open(externalsfile, "wt").write("\n".join([" ".join([d,url]) for d,url in externals]))
cmd="svn checkout --non-recursive --quiet --non-interactive --ignore-externals %s %s" % (branchtarget, branchdirname)
run(cmd)
cmd="svn propset svn:externals --file %s %s" % (externalsfile, branchdirname)
run(cmd)
print "====", externalsfile
print open(externalsfile, "rt").read()
print "----", externalsfile
cmd='svn commit -m "Directories %s are not branched here" %s' % (`[d for d in topdirs if d not in branchdirs]`, branchdirname)
run(cmd)
finally:
import shutil
shutil.rmtree(branchdirname)
os.remove(externalsfile)
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