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devtool/standard: set a preferred provider when adding a new recipe with devtool

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A recipe added with "devtool add" requires to be able to take precedence on recipes
previously defined with PREFERRED_PROVIDER.

By adding the parameter "--provides" to "devtool add" it is possible to specify
an element to be provided by the recipe. A devtool recipe can override a previous
PREFERRED_PROVIDER using the layer configuration file in the workspace.

E.g.
    devtool add my-libgl git@git://my-libgl-repository --provides virtual/libgl

[YOCTO #10415]

(From OE-Core rev: adeea2fe6895898a5e6006e798898f0f5dabd890)

Signed-off-by: Juan M Cruz Alcaraz <juan.m.cruz.alcaraz@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:
Juan M Cruz Alcaraz 2017-09-08 06:34:34 -07:00 committed by Richard Purdie
parent 6cfb161ed9
commit 688e0894aa
2 changed files with 45 additions and 0 deletions
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42
scripts/lib/devtool/standard.py
View File

@ -161,6 +161,8 @@ def add(args, config, basepath, workspace):
extracmdopts += ' --srcrev %s' % args.srcrev
if args.srcbranch:
extracmdopts += ' --srcbranch %s' % args.srcbranch
if args.provides:
extracmdopts += ' --provides %s' % args.provides
tempdir = tempfile.mkdtemp(prefix='devtool')
try:
@ -276,6 +278,24 @@ def add(args, config, basepath, workspace):
f.write(' done\n')
f.write('}\n')
# Check if the new layer provides recipes whose priorities have been
# overriden by PREFERRED_PROVIDER.
recipe_name = rd.getVar('PN')
provides = rd.getVar('PROVIDES')
# Search every item defined in PROVIDES
for recipe_provided in provides.split():
preferred_provider = 'PREFERRED_PROVIDER_' + recipe_provided
current_pprovider = rd.getVar(preferred_provider)
if current_pprovider and current_pprovider != recipe_name:
if args.fixed_setup:
#if we are inside the eSDK add the new PREFERRED_PROVIDER in the workspace layer.conf
layerconf_file = os.path.join(config.workspace_path, "conf", "layer.conf")
with open(layerconf_file, 'a') as f:
f.write('%s = "%s"\n' % (preferred_provider, recipe_name))
else:
logger.warn('Set \'%s\' in order to use the recipe' % preferred_provider)
break
_add_md5(config, recipename, appendfile)
logger.info('Recipe %s has been automatically created; further editing may be required to make it fully functional' % recipefile)
@ -1612,6 +1632,26 @@ def status(args, config, basepath, workspace):
def _reset(recipes, no_clean, config, basepath, workspace):
"""Reset one or more recipes"""
def clean_preferred_provider(pn, layerconf_path):
"""Remove PREFERRED_PROVIDER from layer.conf'"""
import re
layerconf_file = os.path.join(layerconf_path, 'conf', 'layer.conf')
new_layerconf_file = os.path.join(layerconf_path, 'conf', '.layer.conf')
pprovider_found = False
with open(layerconf_file, 'r') as f:
lines = f.readlines()
with open(new_layerconf_file, 'a') as nf:
for line in lines:
pprovider_exp = r'^PREFERRED_PROVIDER_.*? = "' + pn + r'"$'
if not re.match(pprovider_exp, line):
nf.write(line)
else:
pprovider_found = True
if pprovider_found:
shutil.move(new_layerconf_file, layerconf_file)
else:
os.remove(new_layerconf_file)
if recipes and not no_clean:
if len(recipes) == 1:
logger.info('Cleaning sysroot for recipe %s...' % recipes[0])
@ -1664,6 +1704,7 @@ def _reset(recipes, no_clean, config, basepath, workspace):
# This is unlikely, but if it's empty we can just remove it
os.rmdir(srctree)
clean_preferred_provider(pn, config.workspace_path)
def reset(args, config, basepath, workspace):
"""Entry point for the devtool 'reset' subcommand"""
@ -1827,6 +1868,7 @@ def register_commands(subparsers, context):
parser_add.add_argument('--also-native', help='Also add native variant (i.e. support building recipe for the build host as well as the target machine)', action='store_true')
parser_add.add_argument('--src-subdir', help='Specify subdirectory within source tree to use', metavar='SUBDIR')
parser_add.add_argument('--mirrors', help='Enable PREMIRRORS and MIRRORS for source tree fetching (disable by default).', action="store_true")
parser_add.add_argument('--provides', '-p', help='Specify an alias for the item provided by the recipe. E.g. virtual/libgl')
parser_add.set_defaults(func=add, fixed_setup=context.fixed_setup)
parser_modify = subparsers.add_parser('modify', help='Modify the source for an existing recipe',

3
scripts/lib/recipetool/create.py
View File

@ -699,6 +699,8 @@ def create_recipe(args):
(stdout, _) = bb.process.run('git rev-parse HEAD', cwd=srctree)
srcrev = stdout.rstrip()
lines_before.append('SRCREV = "%s"' % srcrev)
if args.provides:
lines_before.append('PROVIDES = "%s"' % args.provides)
lines_before.append('')
if srcsubdir and not args.binary:
@ -1300,6 +1302,7 @@ def register_commands(subparsers):
description='Creates a new recipe from a source tree')
parser_create.add_argument('source', help='Path or URL to source')
parser_create.add_argument('-o', '--outfile', help='Specify filename for recipe to create')
parser_create.add_argument('-p', '--provides', help='Specify an alias for the item provided by the recipe')
parser_create.add_argument('-m', '--machine', help='Make recipe machine-specific as opposed to architecture-specific', action='store_true')
parser_create.add_argument('-x', '--extract-to', metavar='EXTRACTPATH', help='Assuming source is a URL, fetch it and extract it to the directory specified as %(metavar)s')
parser_create.add_argument('-N', '--name', help='Name to use within recipe (PN)')