summaryrefslogtreecommitdiff
path: root/meta/classes/patch.bbclass
blob: 7ebae282b6f77a2f796105621b8517bdcffc8640 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
# Copyright (C) 2006  OpenedHand LTD

# Point to an empty file so any user's custom settings don't break things
QUILTRCFILE ?= "${STAGING_ETCDIR_NATIVE}/quiltrc"

PATCHDEPENDENCY = "${PATCHTOOL}-native:do_populate_sysroot"

PATCH_GIT_USER_NAME ?= "OpenEmbedded"
PATCH_GIT_USER_EMAIL ?= "oe.patch@oe"

inherit terminal

python () {
    if d.getVar('PATCHTOOL', True) == 'git' and d.getVar('PATCH_COMMIT_FUNCTIONS', True) == '1':
        tasks = list(filter(lambda k: d.getVarFlag(k, "task", True), d.keys()))
        extratasks = []
        def follow_chain(task, endtask, chain=None):
            if not chain:
                chain = []
            chain.append(task)
            for othertask in tasks:
                if othertask == task:
                    continue
                if task == endtask:
                    for ctask in chain:
                        if ctask not in extratasks:
                            extratasks.append(ctask)
                else:
                    deps = d.getVarFlag(othertask, 'deps', False)
                    if task in deps:
                        follow_chain(othertask, endtask, chain)
            chain.pop()
        follow_chain('do_unpack', 'do_patch')
        try:
            extratasks.remove('do_unpack')
        except ValueError:
            # For some recipes do_unpack doesn't exist, ignore it
            pass

        d.appendVarFlag('do_patch', 'prefuncs', ' patch_task_patch_prefunc')
        for task in extratasks:
            d.appendVarFlag(task, 'postfuncs', ' patch_task_postfunc')
}

python patch_task_patch_prefunc() {
    # Prefunc for do_patch
    func = d.getVar('BB_RUNTASK', True)
    srcsubdir = d.getVar('S', True)

    patchdir = os.path.join(srcsubdir, 'patches')
    if os.path.exists(patchdir):
        if os.listdir(patchdir):
            d.setVar('PATCH_HAS_PATCHES_DIR', '1')
        else:
            os.rmdir(patchdir)
}

python patch_task_postfunc() {
    # Prefunc for task functions between do_unpack and do_patch
    import oe.patch
    import shutil
    func = d.getVar('BB_RUNTASK', True)
    srcsubdir = d.getVar('S', True)

    if os.path.exists(srcsubdir):
        if func == 'do_patch':
            haspatches = (d.getVar('PATCH_HAS_PATCHES_DIR', True) == '1')
            patchdir = os.path.join(srcsubdir, 'patches')
            if os.path.exists(patchdir):
                shutil.rmtree(patchdir)
                if haspatches:
                    stdout, _ = bb.process.run('git status --porcelain patches', cwd=srcsubdir)
                    if stdout:
                        bb.process.run('git checkout patches', cwd=srcsubdir)
        stdout, _ = bb.process.run('git status --porcelain .', cwd=srcsubdir)
        if stdout:
            useroptions = []
            oe.patch.GitApplyTree.gitCommandUserOptions(useroptions, d=d)
            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)
}

def src_patches(d, all=False, expand=True):
    workdir = d.getVar('WORKDIR', True)
    fetch = bb.fetch2.Fetch([], d)
    patches = []
    sources = []
    for url in fetch.urls:
        local = patch_path(url, fetch, workdir, expand)
        if not local:
            if all:
                local = fetch.localpath(url)
                sources.append(local)
            continue

        urldata = fetch.ud[url]
        parm = urldata.parm
        patchname = parm.get('pname') or os.path.basename(local)

        apply, reason = should_apply(parm, d)
        if not apply:
            if reason:
                bb.note("Patch %s %s" % (patchname, reason))
            continue

        patchparm = {'patchname': patchname}
        if "striplevel" in parm:
            striplevel = parm["striplevel"]
        elif "pnum" in parm:
            #bb.msg.warn(None, "Deprecated usage of 'pnum' url parameter in '%s', please use 'striplevel'" % url)
            striplevel = parm["pnum"]
        else:
            striplevel = '1'
        patchparm['striplevel'] = striplevel

        patchdir = parm.get('patchdir')
        if patchdir:
            patchparm['patchdir'] = patchdir

        localurl = bb.fetch.encodeurl(('file', '', local, '', '', patchparm))
        patches.append(localurl)

    if all:
        return sources

    return patches

def patch_path(url, fetch, workdir, expand=True):
    """Return the local path of a patch, or None if this isn't a patch"""

    local = fetch.localpath(url)
    base, ext = os.path.splitext(os.path.basename(local))
    if ext in ('.gz', '.bz2', '.Z'):
        if expand:
            local = os.path.join(workdir, base)
        ext = os.path.splitext(base)[1]

    urldata = fetch.ud[url]
    if "apply" in urldata.parm:
        apply = oe.types.boolean(urldata.parm["apply"])
        if not apply:
            return
    elif ext not in (".diff", ".patch"):
        return

    return local

def should_apply(parm, d):
    """Determine if we should apply the given patch"""

    if "mindate" in parm or "maxdate" in parm:
        pn = d.getVar('PN', True)
        srcdate = d.getVar('SRCDATE_%s' % pn, True)
        if not srcdate:
            srcdate = d.getVar('SRCDATE', True)

        if srcdate == "now":
            srcdate = d.getVar('DATE', True)

        if "maxdate" in parm and parm["maxdate"] < srcdate:
            return False, 'is outdated'

        if "mindate" in parm and parm["mindate"] > srcdate:
            return False, 'is predated'


    if "minrev" in parm:
        srcrev = d.getVar('SRCREV', True)
        if srcrev and srcrev < parm["minrev"]:
            return False, 'applies to later revisions'

    if "maxrev" in parm:
        srcrev = d.getVar('SRCREV', True)
        if srcrev and srcrev > parm["maxrev"]:
            return False, 'applies to earlier revisions'

    if "rev" in parm:
        srcrev = d.getVar('SRCREV', True)
        if srcrev and parm["rev"] not in srcrev:
            return False, "doesn't apply to revision"

    if "notrev" in parm:
        srcrev = d.getVar('SRCREV', True)
        if srcrev and parm["notrev"] in srcrev:
            return False, "doesn't apply to revision"

    return True, None

should_apply[vardepsexclude] = "DATE SRCDATE"

python patch_do_patch() {
    import oe.patch

    patchsetmap = {
        "patch": oe.patch.PatchTree,
        "quilt": oe.patch.QuiltTree,
        "git": oe.patch.GitApplyTree,
    }

    cls = patchsetmap[d.getVar('PATCHTOOL', True) or 'quilt']

    resolvermap = {
        "noop": oe.patch.NOOPResolver,
        "user": oe.patch.UserResolver,
    }

    rcls = resolvermap[d.getVar('PATCHRESOLVE', True) or 'user']

    classes = {}

    s = d.getVar('S', True)

    os.putenv('PATH', d.getVar('PATH', True))

    # We must use one TMPDIR per process so that the "patch" processes
    # don't generate the same temp file name.

    import tempfile
    process_tmpdir = tempfile.mkdtemp()
    os.environ['TMPDIR'] = process_tmpdir

    for patch in src_patches(d):
        _, _, local, _, _, parm = bb.fetch.decodeurl(patch)

        if "patchdir" in parm:
            patchdir = parm["patchdir"]
            if not os.path.isabs(patchdir):
                patchdir = os.path.join(s, patchdir)
        else:
            patchdir = s

        if not patchdir in classes:
            patchset = cls(patchdir, d)
            resolver = rcls(patchset, oe_terminal)
            classes[patchdir] = (patchset, resolver)
            patchset.Clean()
        else:
            patchset, resolver = classes[patchdir]

        bb.note("Applying patch '%s' (%s)" % (parm['patchname'], oe.path.format_display(local, d)))
        try:
            patchset.Import({"file":local, "strippath": parm['striplevel']}, True)
        except Exception as exc:
            bb.utils.remove(process_tmpdir, True)
            bb.fatal(str(exc))
        try:
            resolver.Resolve()
        except bb.BBHandledException as e:
            bb.utils.remove(process_tmpdir, True)
            bb.fatal(str(e))

    bb.utils.remove(process_tmpdir, True)
    del os.environ['TMPDIR']
}
patch_do_patch[vardepsexclude] = "PATCHRESOLVE"

addtask patch after do_unpack
do_patch[dirs] = "${WORKDIR}"
do_patch[depends] = "${PATCHDEPENDENCY}"

EXPORT_FUNCTIONS do_patch