patch.bbclass: Sync with OE.dev

Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

1 files changed, 63 insertions, 25 deletions

diff --git a/meta/classes/patch.bbclass b/meta/classes/patch.bbclass
index 28fdf07982..2cc1c36792 100644
--- a/meta/classes/patch.bbclass
+++ b/meta/classes/patch.bbclass
@@ -6,11 +6,29 @@ QUILTRCFILE ?= "${STAGING_BINDIR_NATIVE}/quiltrc"
 def patch_init(d):
         import os, sys
 
+        class NotFoundError(Exception):
+                def __init__(self, path):
+                        self.path = path
+                def __str__(self):
+                        return "Error: %s not found." % self.path
+
         def md5sum(fname):
-                import md5, sys
+                import sys
+
+                # when we move to Python 2.5 as minimal supported
+                # we can kill that try/except as hashlib is 2.5+
+                try:
+                        import hashlib
+                        m = hashlib.md5()
+                except ImportError:
+                        import md5
+                        m = md5.new()
+
+                try:
+                        f = file(fname, 'rb')
+                except IOError:
+                        raise NotFoundError(fname)
 
-                f = file(fname, 'rb')
-                m = md5.new()
                 while True:
                         d = f.read(8096)
                         if not d:
@@ -27,11 +45,6 @@ def patch_init(d):
                 def __str__(self):
                         return "Command Error: exit status: %d  Output:\n%s" % (self.status, self.output)
 
-        class NotFoundError(Exception):
-                def __init__(self, path):
-                        self.path = path
-                def __str__(self):
-                        return "Error: %s not found." % self.path
 
         def runcmd(args, dir = None):
                 import commands
@@ -41,7 +54,7 @@ def patch_init(d):
                         if not os.path.exists(dir):
                                 raise NotFoundError(dir)
                         os.chdir(dir)
-                        # print("cwd: %s -> %s" % (olddir, self.dir))
+                        # print("cwd: %s -> %s" % (olddir, dir))
 
                 try:
                         args = [ commands.mkarg(str(arg)) for arg in args ]
@@ -126,11 +139,14 @@ def patch_init(d):
                                 i = 0
                         self.patches.insert(i, patch)
 
-                def _applypatch(self, patch, force = None, reverse = None):
+                def _applypatch(self, patch, force = False, reverse = False, run = True):
                         shellcmd = ["cat", patch['file'], "|", "patch", "-p", patch['strippath']]
                         if reverse:
                                 shellcmd.append('-R')
 
+                        if not run:
+                                return "sh" + "-c" + " ".join(shellcmd)
+
                         if not force:
                                 shellcmd.append('--dry-run')
 
@@ -143,7 +159,7 @@ def patch_init(d):
                         output = runcmd(["sh", "-c", " ".join(shellcmd)], self.dir)
                         return output
 
-                def Push(self, force = None, all = None):
+                def Push(self, force = False, all = False, run = True):
                         if all:
                                 for i in self.patches:
                                         if self._current is not None:
@@ -158,7 +174,7 @@ def patch_init(d):
                                 else:
                                         self._current = 0
                                 bb.note("applying patch %s" % self.patches[self._current])
-                                self._applypatch(self.patches[self._current], force)
+                                return self._applypatch(self.patches[self._current], force)
 
 
                 def Pop(self, force = None, all = None):
@@ -172,8 +188,10 @@ def patch_init(d):
                         """"""
 
         class QuiltTree(PatchSet):
-                def _runcmd(self, args):
+                def _runcmd(self, args, run = True):
                         quiltrc = bb.data.getVar('QUILTRCFILE', self.d, 1)
+                        if not run:
+                                return ["quilt"] + ["--quiltrc"] + [quiltrc] + args
                         runcmd(["quilt"] + ["--quiltrc"] + [quiltrc] + args, self.dir)
 
                 def _quiltpatchpath(self, file):
@@ -248,7 +266,7 @@ def patch_init(d):
                         self.patches.insert(self._current or 0, patch)
 
 
-                def Push(self, force = None, all = None):
+                def Push(self, force = False, all = False, run = True):
                         # quilt push [-f]
 
                         args = ["push"]
@@ -256,6 +274,8 @@ def patch_init(d):
                                 args.append("-f")
                         if all:
                                 args.append("-a")
+                        if not run:
+                                return self._runcmd(args, run)
 
                         self._runcmd(args)
 
@@ -342,17 +362,34 @@ def patch_init(d):
 
                         olddir = os.path.abspath(os.curdir)
                         os.chdir(self.patchset.dir)
-                        try:
-                                self.patchset.Push(True)
-                        except CmdError, v:
-                                # Patch application failed
-                                if sys.exc_value.output.strip() == "No patches applied":
-                                        return
-                                print(sys.exc_value)
-                                print('NOTE: dropping user into a shell, so that patch rejects can be fixed manually.')
-                                print('Press CTRL+D to exit.')
-
-                                os.system('/bin/sh')
+                        try:
+                                self.patchset.Push(False)
+                        except CmdError, v:
+                                # Patch application failed
+                                patchcmd = self.patchset.Push(True, False, False)
+ 
+                                t = bb.data.getVar('T', d, 1)
+                                if not t:
+                                        bb.msg.fatal(bb.msg.domain.Build, "T not set")
+                                bb.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.write("#" + bb.data.getVar('TERMCMDRUN', d, 1))
+                                f.close()
+                                os.chmod(rcfile, 0775)
+ 
+                                os.environ['TERMWINDOWTITLE'] = "Bitbake: Please fix patch rejects manually"
+                                os.environ['TERMRCFILE'] = rcfile
+                                rc = os.system(bb.data.getVar('TERMCMDRUN', d, 1))
+                                if os.WIFEXITED(rc) and os.WEXITSTATUS(rc) != 0:
+                                        bb.msg.fatal(bb.msg.domain.Build, ("Cannot proceed with manual patch resolution - '%s' not found. " \
+                                            + "Check TERMCMDRUN variable.") % bb.data.getVar('TERMCMDRUN', d, 1))
 
                                 # Construct a new PatchSet after the user's changes, compare the
                                 # sets, checking patches for modifications, and doing a remote
@@ -395,6 +432,7 @@ def patch_init(d):
 
 addtask patch after do_unpack
 do_patch[dirs] = "${WORKDIR}"
+
 PATCHDEPENDENCY = "${PATCHTOOL}-native:do_populate_staging"
 do_patch[depends] = "${PATCHDEPENDENCY}"