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-rw-r--r--meta/classes-global/patch.bbclass171
1 files changed, 171 insertions, 0 deletions
diff --git a/meta/classes-global/patch.bbclass b/meta/classes-global/patch.bbclass
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1# Copyright (C) 2006 OpenedHand LTD
2#
3# SPDX-License-Identifier: MIT
4
5# Point to an empty file so any user's custom settings don't break things
6QUILTRCFILE ?= "${STAGING_ETCDIR_NATIVE}/quiltrc"
7
8PATCHDEPENDENCY = "${PATCHTOOL}-native:do_populate_sysroot"
9
10# There is a bug in patch 2.7.3 and earlier where index lines
11# in patches can change file modes when they shouldn't:
12# http://git.savannah.gnu.org/cgit/patch.git/patch/?id=82b800c9552a088a241457948219d25ce0a407a4
13# This leaks into debug sources in particular. Add the dependency
14# to target recipes to avoid this problem until we can rely on 2.7.4 or later.
15PATCHDEPENDENCY:append:class-target = " patch-replacement-native:do_populate_sysroot"
16
17PATCH_GIT_USER_NAME ?= "OpenEmbedded"
18PATCH_GIT_USER_EMAIL ?= "oe.patch@oe"
19
20inherit terminal
21
22python () {
23 if d.getVar('PATCHTOOL') == 'git' and d.getVar('PATCH_COMMIT_FUNCTIONS') == '1':
24 extratasks = bb.build.tasksbetween('do_unpack', 'do_patch', d)
25 try:
26 extratasks.remove('do_unpack')
27 except ValueError:
28 # For some recipes do_unpack doesn't exist, ignore it
29 pass
30
31 d.appendVarFlag('do_patch', 'prefuncs', ' patch_task_patch_prefunc')
32 for task in extratasks:
33 d.appendVarFlag(task, 'postfuncs', ' patch_task_postfunc')
34}
35
36python patch_task_patch_prefunc() {
37 # Prefunc for do_patch
38 srcsubdir = d.getVar('S')
39
40 workdir = os.path.abspath(d.getVar('WORKDIR'))
41 testsrcdir = os.path.abspath(srcsubdir)
42 if (testsrcdir + os.sep).startswith(workdir + os.sep):
43 # Double-check that either workdir or S or some directory in-between is a git repository
44 found = False
45 while testsrcdir != workdir:
46 if os.path.exists(os.path.join(testsrcdir, '.git')):
47 found = True
48 break
49 if testsrcdir == workdir:
50 break
51 testsrcdir = os.path.dirname(testsrcdir)
52 if not found:
53 bb.fatal('PATCHTOOL = "git" set for source tree that is not a git repository. Refusing to continue as that may result in commits being made in your metadata repository.')
54
55 patchdir = os.path.join(srcsubdir, 'patches')
56 if os.path.exists(patchdir):
57 if os.listdir(patchdir):
58 d.setVar('PATCH_HAS_PATCHES_DIR', '1')
59 else:
60 os.rmdir(patchdir)
61}
62
63python patch_task_postfunc() {
64 # Prefunc for task functions between do_unpack and do_patch
65 import oe.patch
66 import shutil
67 func = d.getVar('BB_RUNTASK')
68 srcsubdir = d.getVar('S')
69
70 if os.path.exists(srcsubdir):
71 if func == 'do_patch':
72 haspatches = (d.getVar('PATCH_HAS_PATCHES_DIR') == '1')
73 patchdir = os.path.join(srcsubdir, 'patches')
74 if os.path.exists(patchdir):
75 shutil.rmtree(patchdir)
76 if haspatches:
77 stdout, _ = bb.process.run('git status --porcelain patches', cwd=srcsubdir)
78 if stdout:
79 bb.process.run('git checkout patches', cwd=srcsubdir)
80 stdout, _ = bb.process.run('git status --porcelain .', cwd=srcsubdir)
81 if stdout:
82 useroptions = []
83 oe.patch.GitApplyTree.gitCommandUserOptions(useroptions, d=d)
84 bb.process.run('git add .; git %s commit -a -m "Committing changes from %s\n\n%s"' % (' '.join(useroptions), func, oe.patch.GitApplyTree.ignore_commit_prefix + ' - from %s' % func), cwd=srcsubdir)
85}
86
87def src_patches(d, all=False, expand=True):
88 import oe.patch
89 return oe.patch.src_patches(d, all, expand)
90
91def should_apply(parm, d):
92 """Determine if we should apply the given patch"""
93 import oe.patch
94 return oe.patch.should_apply(parm, d)
95
96should_apply[vardepsexclude] = "DATE SRCDATE"
97
98python patch_do_patch() {
99 import oe.patch
100
101 patchsetmap = {
102 "patch": oe.patch.PatchTree,
103 "quilt": oe.patch.QuiltTree,
104 "git": oe.patch.GitApplyTree,
105 }
106
107 cls = patchsetmap[d.getVar('PATCHTOOL') or 'quilt']
108
109 resolvermap = {
110 "noop": oe.patch.NOOPResolver,
111 "user": oe.patch.UserResolver,
112 }
113
114 rcls = resolvermap[d.getVar('PATCHRESOLVE') or 'user']
115
116 classes = {}
117
118 s = d.getVar('S')
119
120 os.putenv('PATH', d.getVar('PATH'))
121
122 # We must use one TMPDIR per process so that the "patch" processes
123 # don't generate the same temp file name.
124
125 import tempfile
126 process_tmpdir = tempfile.mkdtemp()
127 os.environ['TMPDIR'] = process_tmpdir
128
129 for patch in src_patches(d):
130 _, _, local, _, _, parm = bb.fetch.decodeurl(patch)
131
132 if "patchdir" in parm:
133 patchdir = parm["patchdir"]
134 if not os.path.isabs(patchdir):
135 patchdir = os.path.join(s, patchdir)
136 if not os.path.isdir(patchdir):
137 bb.fatal("Target directory '%s' not found, patchdir '%s' is incorrect in patch file '%s'" %
138 (patchdir, parm["patchdir"], parm['patchname']))
139 else:
140 patchdir = s
141
142 if not patchdir in classes:
143 patchset = cls(patchdir, d)
144 resolver = rcls(patchset, oe_terminal)
145 classes[patchdir] = (patchset, resolver)
146 patchset.Clean()
147 else:
148 patchset, resolver = classes[patchdir]
149
150 bb.note("Applying patch '%s' (%s)" % (parm['patchname'], oe.path.format_display(local, d)))
151 try:
152 patchset.Import({"file":local, "strippath": parm['striplevel']}, True)
153 except Exception as exc:
154 bb.utils.remove(process_tmpdir, True)
155 bb.fatal("Importing patch '%s' with striplevel '%s'\n%s" % (parm['patchname'], parm['striplevel'], repr(exc).replace("\\n", "\n")))
156 try:
157 resolver.Resolve()
158 except bb.BBHandledException as e:
159 bb.utils.remove(process_tmpdir, True)
160 bb.fatal("Applying patch '%s' on target directory '%s'\n%s" % (parm['patchname'], patchdir, repr(e).replace("\\n", "\n")))
161
162 bb.utils.remove(process_tmpdir, True)
163 del os.environ['TMPDIR']
164}
165patch_do_patch[vardepsexclude] = "PATCHRESOLVE"
166
167addtask patch after do_unpack
168do_patch[dirs] = "${WORKDIR}"
169do_patch[depends] = "${PATCHDEPENDENCY}"
170
171EXPORT_FUNCTIONS do_patch