summaryrefslogtreecommitdiffstats
path: root/poky/meta/classes/devtool-source.bbclass
blob: 1372e32c9e5dec1516d54717e1a3b006e7f2302e (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
# Development tool - source extraction helper class
#
# NOTE: this class is intended for use by devtool and should not be
# inherited manually.
#
# Copyright (C) 2014-2017 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


DEVTOOL_TEMPDIR ?= ""
DEVTOOL_PATCH_SRCDIR = "${DEVTOOL_TEMPDIR}/patchworkdir"


python() {
    tempdir = d.getVar('DEVTOOL_TEMPDIR')

    if not tempdir:
        bb.fatal('devtool-source class is for internal use by devtool only')

    # Make a subdir so we guard against WORKDIR==S
    workdir = os.path.join(tempdir, 'workdir')
    d.setVar('WORKDIR', workdir)
    if not d.getVar('S').startswith(workdir):
        # Usually a shared workdir recipe (kernel, gcc)
        # Try to set a reasonable default
        if bb.data.inherits_class('kernel', d):
            d.setVar('S', '${WORKDIR}/source')
        else:
            d.setVar('S', '${WORKDIR}/%s' % os.path.basename(d.getVar('S')))
    if bb.data.inherits_class('kernel', d):
        # We don't want to move the source to STAGING_KERNEL_DIR here
        d.setVar('STAGING_KERNEL_DIR', '${S}')

    d.setVar('STAMPS_DIR', os.path.join(tempdir, 'stamps'))
    d.setVar('T', os.path.join(tempdir, 'temp'))

    # Hook in pre/postfuncs
    is_kernel_yocto = bb.data.inherits_class('kernel-yocto', d)
    if is_kernel_yocto:
        unpacktask = 'do_kernel_checkout'
        d.appendVarFlag('do_configure', 'postfuncs', ' devtool_post_configure')
    else:
        unpacktask = 'do_unpack'
    d.appendVarFlag(unpacktask, 'postfuncs', ' devtool_post_unpack')
    d.prependVarFlag('do_patch', 'prefuncs', ' devtool_pre_patch')
    d.appendVarFlag('do_patch', 'postfuncs', ' devtool_post_patch')

    # NOTE: in order for the patch stuff to be fully functional,
    # PATCHTOOL and PATCH_COMMIT_FUNCTIONS need to be set; we can't
    # do that here because we can't guarantee the order of the anonymous
    # functions, so it gets done in the bbappend we create.
}


python devtool_post_unpack() {
    import oe.recipeutils
    import shutil
    sys.path.insert(0, os.path.join(d.getVar('COREBASE'), 'scripts', 'lib'))
    import scriptutils
    from devtool import setup_git_repo

    tempdir = d.getVar('DEVTOOL_TEMPDIR')
    workdir = d.getVar('WORKDIR')
    srcsubdir = d.getVar('S')

    def _move_file(src, dst):
        """Move a file. Creates all the directory components of destination path."""
        dst_d = os.path.dirname(dst)
        if dst_d:
            bb.utils.mkdirhier(dst_d)
        shutil.move(src, dst)

    def _ls_tree(directory):
        """Recursive listing of files in a directory"""
        ret = []
        for root, dirs, files in os.walk(directory):
            ret.extend([os.path.relpath(os.path.join(root, fname), directory) for
                        fname in files])
        return ret

    is_kernel_yocto = bb.data.inherits_class('kernel-yocto', d)
    # Move local source files into separate subdir
    recipe_patches = [os.path.basename(patch) for patch in
                        oe.recipeutils.get_recipe_patches(d)]
    local_files = oe.recipeutils.get_recipe_local_files(d)

    if is_kernel_yocto:
        for key in local_files.copy():
            if key.endswith('scc'):
                sccfile = open(local_files[key], 'r')
                for l in sccfile:
                    line = l.split()
                    if line and line[0] in ('kconf', 'patch'):
                        local_files[line[-1]] = os.path.join(os.path.dirname(local_files[key]), line[-1])
                        shutil.copy2(os.path.join(os.path.dirname(local_files[key]), line[-1]), workdir)
                sccfile.close()

    # Ignore local files with subdir={BP}
    srcabspath = os.path.abspath(srcsubdir)
    local_files = [fname for fname in local_files if
                    os.path.exists(os.path.join(workdir, fname)) and
                    (srcabspath == workdir or not
                    os.path.join(workdir, fname).startswith(srcabspath +
                        os.sep))]
    if local_files:
        for fname in local_files:
            _move_file(os.path.join(workdir, fname),
                        os.path.join(tempdir, 'oe-local-files', fname))
        with open(os.path.join(tempdir, 'oe-local-files', '.gitignore'),
                    'w') as f:
            f.write('# Ignore local files, by default. Remove this file '
                    'if you want to commit the directory to Git\n*\n')

    if srcsubdir == workdir:
        # Find non-patch non-local sources that were "unpacked" to srctree
        # directory
        src_files = [fname for fname in _ls_tree(workdir) if
                        os.path.basename(fname) not in recipe_patches]
        srcsubdir = d.getVar('DEVTOOL_PATCH_SRCDIR')
        # Move source files to S
        for path in src_files:
            _move_file(os.path.join(workdir, path),
                        os.path.join(srcsubdir, path))
    elif os.path.dirname(srcsubdir) != workdir:
        # Handle if S is set to a subdirectory of the source
        srcsubdir = os.path.join(workdir, os.path.relpath(srcsubdir, workdir).split(os.sep)[0])

    scriptutils.git_convert_standalone_clone(srcsubdir)

    # Make sure that srcsubdir exists
    bb.utils.mkdirhier(srcsubdir)
    if not os.listdir(srcsubdir):
        bb.warn("No source unpacked to S - either the %s recipe "
                "doesn't use any source or the correct source "
                "directory could not be determined" % d.getVar('PN'))

    devbranch = d.getVar('DEVTOOL_DEVBRANCH')
    setup_git_repo(srcsubdir, d.getVar('PV'), devbranch, d=d)

    (stdout, _) = bb.process.run('git rev-parse HEAD', cwd=srcsubdir)
    initial_rev = stdout.rstrip()
    with open(os.path.join(tempdir, 'initial_rev'), 'w') as f:
        f.write(initial_rev)

    with open(os.path.join(tempdir, 'srcsubdir'), 'w') as f:
        f.write(srcsubdir)
}

python devtool_pre_patch() {
    if d.getVar('S') == d.getVar('WORKDIR'):
        d.setVar('S', '${DEVTOOL_PATCH_SRCDIR}')
}

python devtool_post_patch() {
    import shutil
    tempdir = d.getVar('DEVTOOL_TEMPDIR')
    with open(os.path.join(tempdir, 'srcsubdir'), 'r') as f:
        srcsubdir = f.read()
    with open(os.path.join(tempdir, 'initial_rev'), 'r') as f:
        initial_rev = f.read()

    def rm_patches():
        patches_dir = os.path.join(srcsubdir, 'patches')
        if os.path.exists(patches_dir):
            shutil.rmtree(patches_dir)
        # Restore any "patches" directory that was actually part of the source tree
        try:
            bb.process.run('git checkout -- patches', cwd=srcsubdir)
        except bb.process.ExecutionError:
            pass

    extra_overrides = d.getVar('DEVTOOL_EXTRA_OVERRIDES')
    if extra_overrides:
        extra_overrides = set(extra_overrides.split(':'))
        devbranch = d.getVar('DEVTOOL_DEVBRANCH')
        default_overrides = d.getVar('OVERRIDES').split(':')
        no_overrides = []
        # First, we may have some overrides that are referred to in the recipe set in
        # our configuration, so we need to make a branch that excludes those
        for override in default_overrides:
            if override not in extra_overrides:
                no_overrides.append(override)
        if default_overrides != no_overrides:
            # Some overrides are active in the current configuration, so
            # we need to create a branch where none of the overrides are active
            bb.process.run('git checkout %s -b devtool-no-overrides' % initial_rev, cwd=srcsubdir)
            # Run do_patch function with the override applied
            localdata = bb.data.createCopy(d)
            localdata.setVar('OVERRIDES', ':'.join(no_overrides))
            bb.build.exec_func('do_patch', localdata)
            rm_patches()
            # Now we need to reconcile the dev branch with the no-overrides one
            # (otherwise we'd likely be left with identical commits that have different hashes)
            bb.process.run('git checkout %s' % devbranch, cwd=srcsubdir)
            bb.process.run('git rebase devtool-no-overrides', cwd=srcsubdir)
        else:
            bb.process.run('git checkout %s -b devtool-no-overrides' % devbranch, cwd=srcsubdir)

        for override in extra_overrides:
            localdata = bb.data.createCopy(d)
            if override in default_overrides:
                bb.process.run('git branch devtool-override-%s %s' % (override, devbranch), cwd=srcsubdir)
            else:
                # Reset back to the initial commit on a new branch
                bb.process.run('git checkout %s -b devtool-override-%s' % (initial_rev, override), cwd=srcsubdir)
                # Run do_patch function with the override applied
                localdata.appendVar('OVERRIDES', ':%s' % override)
                bb.build.exec_func('do_patch', localdata)
                rm_patches()
                # Now we need to reconcile the new branch with the no-overrides one
                # (otherwise we'd likely be left with identical commits that have different hashes)
                bb.process.run('git rebase devtool-no-overrides', cwd=srcsubdir)
        bb.process.run('git checkout %s' % devbranch, cwd=srcsubdir)
    bb.process.run('git tag -f devtool-patched', cwd=srcsubdir)
}

python devtool_post_configure() {
    import shutil
    tempdir = d.getVar('DEVTOOL_TEMPDIR')
    shutil.copy2(os.path.join(d.getVar('B'), '.config'), tempdir)
}
OpenPOWER on IntegriCloud