599 lines
22 KiB
Python
599 lines
22 KiB
Python
import oe.path
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class NotFoundError(bb.BBHandledException):
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def __init__(self, path):
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self.path = path
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def __str__(self):
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return "Error: %s not found." % self.path
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class CmdError(bb.BBHandledException):
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def __init__(self, exitstatus, output):
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self.status = exitstatus
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self.output = output
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def __str__(self):
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return "Command Error: exit status: %d Output:\n%s" % (self.status, self.output)
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def runcmd(args, dir = None):
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import pipes
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if dir:
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olddir = os.path.abspath(os.curdir)
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if not os.path.exists(dir):
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raise NotFoundError(dir)
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os.chdir(dir)
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# print("cwd: %s -> %s" % (olddir, dir))
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try:
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args = [ pipes.quote(str(arg)) for arg in args ]
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cmd = " ".join(args)
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# print("cmd: %s" % cmd)
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(exitstatus, output) = oe.utils.getstatusoutput(cmd)
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if exitstatus != 0:
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raise CmdError(exitstatus >> 8, output)
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return output
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finally:
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if dir:
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os.chdir(olddir)
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class PatchError(Exception):
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def __init__(self, msg):
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self.msg = msg
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def __str__(self):
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return "Patch Error: %s" % self.msg
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class PatchSet(object):
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defaults = {
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"strippath": 1
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}
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def __init__(self, dir, d):
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self.dir = dir
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self.d = d
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self.patches = []
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self._current = None
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def current(self):
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return self._current
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def Clean(self):
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"""
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Clean out the patch set. Generally includes unapplying all
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patches and wiping out all associated metadata.
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"""
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raise NotImplementedError()
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def Import(self, patch, force):
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if not patch.get("file"):
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if not patch.get("remote"):
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raise PatchError("Patch file must be specified in patch import.")
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else:
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patch["file"] = bb.fetch2.localpath(patch["remote"], self.d)
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for param in PatchSet.defaults:
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if not patch.get(param):
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patch[param] = PatchSet.defaults[param]
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if patch.get("remote"):
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patch["file"] = bb.data.expand(bb.fetch2.localpath(patch["remote"], self.d), self.d)
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patch["filemd5"] = bb.utils.md5_file(patch["file"])
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def Push(self, force):
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raise NotImplementedError()
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def Pop(self, force):
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raise NotImplementedError()
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def Refresh(self, remote = None, all = None):
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raise NotImplementedError()
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class PatchTree(PatchSet):
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def __init__(self, dir, d):
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PatchSet.__init__(self, dir, d)
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self.patchdir = os.path.join(self.dir, 'patches')
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self.seriespath = os.path.join(self.dir, 'patches', 'series')
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bb.utils.mkdirhier(self.patchdir)
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def _appendPatchFile(self, patch, strippath):
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with open(self.seriespath, 'a') as f:
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f.write(os.path.basename(patch) + "," + strippath + "\n")
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shellcmd = ["cat", patch, ">" , self.patchdir + "/" + os.path.basename(patch)]
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runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
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def _removePatch(self, p):
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patch = {}
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patch['file'] = p.split(",")[0]
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patch['strippath'] = p.split(",")[1]
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self._applypatch(patch, False, True)
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def _removePatchFile(self, all = False):
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if not os.path.exists(self.seriespath):
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return
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patches = open(self.seriespath, 'r+').readlines()
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if all:
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for p in reversed(patches):
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self._removePatch(os.path.join(self.patchdir, p.strip()))
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patches = []
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else:
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self._removePatch(os.path.join(self.patchdir, patches[-1].strip()))
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patches.pop()
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with open(self.seriespath, 'w') as f:
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for p in patches:
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f.write(p)
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def Import(self, patch, force = None):
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""""""
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PatchSet.Import(self, patch, force)
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if self._current is not None:
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i = self._current + 1
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else:
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i = 0
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self.patches.insert(i, patch)
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def _applypatch(self, patch, force = False, reverse = False, run = True):
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shellcmd = ["cat", patch['file'], "|", "patch", "-p", patch['strippath']]
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if reverse:
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shellcmd.append('-R')
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if not run:
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return "sh" + "-c" + " ".join(shellcmd)
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if not force:
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shellcmd.append('--dry-run')
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output = runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
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if force:
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return
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shellcmd.pop(len(shellcmd) - 1)
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output = runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
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if not reverse:
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self._appendPatchFile(patch['file'], patch['strippath'])
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return output
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def Push(self, force = False, all = False, run = True):
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bb.note("self._current is %s" % self._current)
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bb.note("patches is %s" % self.patches)
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if all:
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for i in self.patches:
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bb.note("applying patch %s" % i)
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self._applypatch(i, force)
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self._current = i
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else:
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if self._current is not None:
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next = self._current + 1
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else:
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next = 0
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bb.note("applying patch %s" % self.patches[next])
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ret = self._applypatch(self.patches[next], force)
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self._current = next
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return ret
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def Pop(self, force = None, all = None):
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if all:
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self._removePatchFile(True)
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self._current = None
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else:
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self._removePatchFile(False)
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if self._current == 0:
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self._current = None
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if self._current is not None:
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self._current = self._current - 1
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def Clean(self):
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""""""
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self.Pop(all=True)
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class GitApplyTree(PatchTree):
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patch_line_prefix = '%% original patch'
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def __init__(self, dir, d):
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PatchTree.__init__(self, dir, d)
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@staticmethod
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def extractPatchHeader(patchfile):
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"""
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Extract just the header lines from the top of a patch file
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"""
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lines = []
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with open(patchfile, 'r') as f:
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for line in f.readlines():
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if line.startswith('Index: ') or line.startswith('diff -') or line.startswith('---'):
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break
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lines.append(line)
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return lines
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@staticmethod
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def prepareCommit(patchfile):
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"""
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Prepare a git commit command line based on the header from a patch file
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(typically this is useful for patches that cannot be applied with "git am" due to formatting)
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"""
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import tempfile
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import re
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author_re = re.compile('[\S ]+ <\S+@\S+\.\S+>')
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# Process patch header and extract useful information
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lines = GitApplyTree.extractPatchHeader(patchfile)
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outlines = []
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author = None
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date = None
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for line in lines:
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if line.startswith('Subject: '):
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subject = line.split(':', 1)[1]
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# Remove any [PATCH][oe-core] etc.
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subject = re.sub(r'\[.+?\]\s*', '', subject)
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outlines.insert(0, '%s\n\n' % subject.strip())
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continue
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if line.startswith('From: ') or line.startswith('Author: '):
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authorval = line.split(':', 1)[1].strip().replace('"', '')
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# git is fussy about author formatting i.e. it must be Name <email@domain>
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if author_re.match(authorval):
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author = authorval
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continue
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if line.startswith('Date: '):
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if date is None:
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dateval = line.split(':', 1)[1].strip()
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# Very crude check for date format, since git will blow up if it's not in the right
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# format. Without e.g. a python-dateutils dependency we can't do a whole lot more
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if len(dateval) > 12:
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date = dateval
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continue
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if line.startswith('Signed-off-by: '):
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authorval = line.split(':', 1)[1].strip().replace('"', '')
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# git is fussy about author formatting i.e. it must be Name <email@domain>
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if author_re.match(authorval):
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author = authorval
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outlines.append(line)
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# Write out commit message to a file
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with tempfile.NamedTemporaryFile('w', delete=False) as tf:
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tmpfile = tf.name
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for line in outlines:
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tf.write(line)
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# Prepare git command
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cmd = ["git", "commit", "-F", tmpfile]
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# git doesn't like plain email addresses as authors
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if author and '<' in author:
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cmd.append('--author="%s"' % author)
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if date:
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cmd.append('--date="%s"' % date)
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return (tmpfile, cmd)
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@staticmethod
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def extractPatches(tree, startcommit, outdir):
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import tempfile
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import shutil
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tempdir = tempfile.mkdtemp(prefix='oepatch')
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try:
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shellcmd = ["git", "format-patch", startcommit, "-o", tempdir]
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out = runcmd(["sh", "-c", " ".join(shellcmd)], tree)
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if out:
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for srcfile in out.split():
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patchlines = []
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outfile = None
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with open(srcfile, 'r') as f:
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for line in f:
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if line.startswith(GitApplyTree.patch_line_prefix):
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outfile = line.split()[-1].strip()
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continue
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patchlines.append(line)
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if not outfile:
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outfile = os.path.basename(srcfile)
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with open(os.path.join(outdir, outfile), 'w') as of:
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for line in patchlines:
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of.write(line)
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finally:
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shutil.rmtree(tempdir)
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def _applypatch(self, patch, force = False, reverse = False, run = True):
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import shutil
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def _applypatchhelper(shellcmd, patch, force = False, reverse = False, run = True):
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if reverse:
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shellcmd.append('-R')
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shellcmd.append(patch['file'])
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if not run:
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return "sh" + "-c" + " ".join(shellcmd)
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return runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
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# Add hooks which add a pointer to the original patch file name in the commit message
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reporoot = (runcmd("git rev-parse --show-toplevel".split(), self.dir) or '').strip()
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if not reporoot:
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raise Exception("Cannot get repository root for directory %s" % self.dir)
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commithook = os.path.join(reporoot, '.git', 'hooks', 'commit-msg')
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commithook_backup = commithook + '.devtool-orig'
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applyhook = os.path.join(reporoot, '.git', 'hooks', 'applypatch-msg')
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applyhook_backup = applyhook + '.devtool-orig'
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if os.path.exists(commithook):
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shutil.move(commithook, commithook_backup)
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if os.path.exists(applyhook):
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shutil.move(applyhook, applyhook_backup)
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with open(commithook, 'w') as f:
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# NOTE: the formatting here is significant; if you change it you'll also need to
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# change other places which read it back
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f.write('echo >> $1\n')
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f.write('echo "%s: $PATCHFILE" >> $1\n' % GitApplyTree.patch_line_prefix)
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os.chmod(commithook, 0755)
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shutil.copy2(commithook, applyhook)
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try:
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patchfilevar = 'PATCHFILE="%s"' % os.path.basename(patch['file'])
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try:
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shellcmd = [patchfilevar, "git", "--work-tree=.", "am", "-3", "--keep-cr", "-p%s" % patch['strippath']]
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return _applypatchhelper(shellcmd, patch, force, reverse, run)
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except CmdError:
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# Need to abort the git am, or we'll still be within it at the end
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try:
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shellcmd = ["git", "--work-tree=.", "am", "--abort"]
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runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
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except CmdError:
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pass
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# Fall back to git apply
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shellcmd = ["git", "--git-dir=.", "apply", "-p%s" % patch['strippath']]
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try:
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output = _applypatchhelper(shellcmd, patch, force, reverse, run)
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except CmdError:
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# Fall back to patch
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output = PatchTree._applypatch(self, patch, force, reverse, run)
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# Add all files
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shellcmd = ["git", "add", "-f", "."]
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output += runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
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# Exclude the patches directory
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shellcmd = ["git", "reset", "HEAD", self.patchdir]
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output += runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
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# Commit the result
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(tmpfile, shellcmd) = self.prepareCommit(patch['file'])
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try:
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shellcmd.insert(0, patchfilevar)
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output += runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
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finally:
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os.remove(tmpfile)
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return output
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finally:
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os.remove(commithook)
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os.remove(applyhook)
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if os.path.exists(commithook_backup):
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shutil.move(commithook_backup, commithook)
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if os.path.exists(applyhook_backup):
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shutil.move(applyhook_backup, applyhook)
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class QuiltTree(PatchSet):
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def _runcmd(self, args, run = True):
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quiltrc = self.d.getVar('QUILTRCFILE', True)
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if not run:
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return ["quilt"] + ["--quiltrc"] + [quiltrc] + args
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runcmd(["quilt"] + ["--quiltrc"] + [quiltrc] + args, self.dir)
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def _quiltpatchpath(self, file):
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return os.path.join(self.dir, "patches", os.path.basename(file))
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def __init__(self, dir, d):
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PatchSet.__init__(self, dir, d)
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self.initialized = False
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p = os.path.join(self.dir, 'patches')
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if not os.path.exists(p):
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os.makedirs(p)
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def Clean(self):
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try:
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self._runcmd(["pop", "-a", "-f"])
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oe.path.remove(os.path.join(self.dir, "patches","series"))
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except Exception:
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pass
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self.initialized = True
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def InitFromDir(self):
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# read series -> self.patches
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seriespath = os.path.join(self.dir, 'patches', 'series')
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if not os.path.exists(self.dir):
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raise NotFoundError(self.dir)
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if os.path.exists(seriespath):
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series = file(seriespath, 'r')
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for line in series.readlines():
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patch = {}
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parts = line.strip().split()
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patch["quiltfile"] = self._quiltpatchpath(parts[0])
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patch["quiltfilemd5"] = bb.utils.md5_file(patch["quiltfile"])
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if len(parts) > 1:
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patch["strippath"] = parts[1][2:]
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self.patches.append(patch)
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series.close()
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# determine which patches are applied -> self._current
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try:
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output = runcmd(["quilt", "applied"], self.dir)
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except CmdError:
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import sys
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if sys.exc_value.output.strip() == "No patches applied":
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return
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else:
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raise
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output = [val for val in output.split('\n') if not val.startswith('#')]
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for patch in self.patches:
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if os.path.basename(patch["quiltfile"]) == output[-1]:
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self._current = self.patches.index(patch)
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self.initialized = True
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def Import(self, patch, force = None):
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if not self.initialized:
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self.InitFromDir()
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PatchSet.Import(self, patch, force)
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oe.path.symlink(patch["file"], self._quiltpatchpath(patch["file"]), force=True)
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f = open(os.path.join(self.dir, "patches","series"), "a");
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f.write(os.path.basename(patch["file"]) + " -p" + patch["strippath"]+"\n")
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f.close()
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patch["quiltfile"] = self._quiltpatchpath(patch["file"])
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patch["quiltfilemd5"] = bb.utils.md5_file(patch["quiltfile"])
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# TODO: determine if the file being imported:
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# 1) is already imported, and is the same
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# 2) is already imported, but differs
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self.patches.insert(self._current or 0, patch)
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def Push(self, force = False, all = False, run = True):
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# quilt push [-f]
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args = ["push"]
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if force:
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args.append("-f")
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if all:
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args.append("-a")
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if not run:
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return self._runcmd(args, run)
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self._runcmd(args)
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if self._current is not None:
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self._current = self._current + 1
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else:
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self._current = 0
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def Pop(self, force = None, all = None):
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# quilt pop [-f]
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args = ["pop"]
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if force:
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args.append("-f")
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if all:
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args.append("-a")
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self._runcmd(args)
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if self._current == 0:
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self._current = None
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if self._current is not None:
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self._current = self._current - 1
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def Refresh(self, **kwargs):
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if kwargs.get("remote"):
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patch = self.patches[kwargs["patch"]]
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if not patch:
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raise PatchError("No patch found at index %s in patchset." % kwargs["patch"])
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(type, host, path, user, pswd, parm) = bb.fetch.decodeurl(patch["remote"])
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if type == "file":
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import shutil
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if not patch.get("file") and patch.get("remote"):
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patch["file"] = bb.fetch2.localpath(patch["remote"], self.d)
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shutil.copyfile(patch["quiltfile"], patch["file"])
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else:
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raise PatchError("Unable to do a remote refresh of %s, unsupported remote url scheme %s." % (os.path.basename(patch["quiltfile"]), type))
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else:
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# quilt refresh
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args = ["refresh"]
|
|
if kwargs.get("quiltfile"):
|
|
args.append(os.path.basename(kwargs["quiltfile"]))
|
|
elif kwargs.get("patch"):
|
|
args.append(os.path.basename(self.patches[kwargs["patch"]]["quiltfile"]))
|
|
self._runcmd(args)
|
|
|
|
class Resolver(object):
|
|
def __init__(self, patchset, terminal):
|
|
raise NotImplementedError()
|
|
|
|
def Resolve(self):
|
|
raise NotImplementedError()
|
|
|
|
def Revert(self):
|
|
raise NotImplementedError()
|
|
|
|
def Finalize(self):
|
|
raise NotImplementedError()
|
|
|
|
class NOOPResolver(Resolver):
|
|
def __init__(self, patchset, terminal):
|
|
self.patchset = patchset
|
|
self.terminal = terminal
|
|
|
|
def Resolve(self):
|
|
olddir = os.path.abspath(os.curdir)
|
|
os.chdir(self.patchset.dir)
|
|
try:
|
|
self.patchset.Push()
|
|
except Exception:
|
|
import sys
|
|
os.chdir(olddir)
|
|
raise
|
|
|
|
# Patch resolver which relies on the user doing all the work involved in the
|
|
# resolution, with the exception of refreshing the remote copy of the patch
|
|
# files (the urls).
|
|
class UserResolver(Resolver):
|
|
def __init__(self, patchset, terminal):
|
|
self.patchset = patchset
|
|
self.terminal = terminal
|
|
|
|
# Force a push in the patchset, then drop to a shell for the user to
|
|
# resolve any rejected hunks
|
|
def Resolve(self):
|
|
olddir = os.path.abspath(os.curdir)
|
|
os.chdir(self.patchset.dir)
|
|
try:
|
|
self.patchset.Push(False)
|
|
except CmdError as v:
|
|
# Patch application failed
|
|
patchcmd = self.patchset.Push(True, False, False)
|
|
|
|
t = self.patchset.d.getVar('T', True)
|
|
if not t:
|
|
bb.msg.fatal("Build", "T not set")
|
|
bb.utils.mkdirhier(t)
|
|
import random
|
|
rcfile = "%s/bashrc.%s.%s" % (t, str(os.getpid()), random.random())
|
|
f = open(rcfile, "w")
|
|
f.write("echo '*** Manual patch resolution mode ***'\n")
|
|
f.write("echo 'Dropping to a shell, so patch rejects can be fixed manually.'\n")
|
|
f.write("echo 'Run \"quilt refresh\" when patch is corrected, press CTRL+D to exit.'\n")
|
|
f.write("echo ''\n")
|
|
f.write(" ".join(patchcmd) + "\n")
|
|
f.close()
|
|
os.chmod(rcfile, 0775)
|
|
|
|
self.terminal("bash --rcfile " + rcfile, 'Patch Rejects: Please fix patch rejects manually', self.patchset.d)
|
|
|
|
# Construct a new PatchSet after the user's changes, compare the
|
|
# sets, checking patches for modifications, and doing a remote
|
|
# refresh on each.
|
|
oldpatchset = self.patchset
|
|
self.patchset = oldpatchset.__class__(self.patchset.dir, self.patchset.d)
|
|
|
|
for patch in self.patchset.patches:
|
|
oldpatch = None
|
|
for opatch in oldpatchset.patches:
|
|
if opatch["quiltfile"] == patch["quiltfile"]:
|
|
oldpatch = opatch
|
|
|
|
if oldpatch:
|
|
patch["remote"] = oldpatch["remote"]
|
|
if patch["quiltfile"] == oldpatch["quiltfile"]:
|
|
if patch["quiltfilemd5"] != oldpatch["quiltfilemd5"]:
|
|
bb.note("Patch %s has changed, updating remote url %s" % (os.path.basename(patch["quiltfile"]), patch["remote"]))
|
|
# user change? remote refresh
|
|
self.patchset.Refresh(remote=True, patch=self.patchset.patches.index(patch))
|
|
else:
|
|
# User did not fix the problem. Abort.
|
|
raise PatchError("Patch application failed, and user did not fix and refresh the patch.")
|
|
except Exception:
|
|
os.chdir(olddir)
|
|
raise
|
|
os.chdir(olddir)
|