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lib/oe/patch: fix handling of patches with no header

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If a patch applied by a recipe has no header and we turn the recipe's
source into a git tree (when PATCHTOOL = "git" or when using devtool
extract / modify / upgrade), the commit message ends up consisting only
of the original filename marker ("%% original patch: filename.patch").
When we come to do turn the commits back into a set of patches in
extractPatches(), this first line ends up in the "Subject: " part of
the file, but we were ignoring it because the line didn't start with the
marker text. The end result was we weren't able to get the original
patch name. Strip off any "Subject [PATCH x/y]" part before looking for
the marker text to fix.

This caused "devtool modify openssl" followed by "devtool update-recipe
openssl" (without any changes in-between) to remove version-script.patch
because that patch has no header and we weren't able to determine the
original filename.

(From OE-Core rev: d9971f5dc8eb7de551fd6f5e058fd24770ef5d78)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Paul Eggleton
2016-11-10 14:45:16 +13:00
committed by Richard Purdie
parent e5a391795a
commit d316363b7b
1 changed files with 6 additions and 2 deletions
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8
meta/lib/oe/patch.py
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@@ -428,6 +428,7 @@ class GitApplyTree(PatchTree):
def extractPatches(tree, startcommit, outdir, paths=None):
import tempfile
import shutil
import re
tempdir = tempfile.mkdtemp(prefix='oepatch')
try:
shellcmd = ["git", "format-patch", startcommit, "-o", tempdir]
@@ -443,10 +444,13 @@ class GitApplyTree(PatchTree):
try:
with open(srcfile, 'r', encoding=encoding) as f:
for line in f:
if line.startswith(GitApplyTree.patch_line_prefix):
checkline = line
if checkline.startswith('Subject: '):
checkline = re.sub(r'\[.+?\]\s*', '', checkline[9:])
if checkline.startswith(GitApplyTree.patch_line_prefix):
outfile = line.split()[-1].strip()
continue
if line.startswith(GitApplyTree.ignore_commit_prefix):
if checkline.startswith(GitApplyTree.ignore_commit_prefix):
continue
patchlines.append(line)
except UnicodeDecodeError: