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- #
- # Writes build information to target filesystem on /etc/build
- #
- # Copyright (C) 2014 Intel Corporation
- # Author: Alejandro Enedino Hernandez Samaniego <alejandro.hernandez@intel.com>
- #
- # Licensed under the MIT license, see COPYING.MIT for details
- #
- # Usage: add INHERIT += "image-buildinfo" to your conf file
- #
- # Desired variables to display
- IMAGE_BUILDINFO_VARS ?= "DISTRO DISTRO_VERSION"
- # Desired location of the output file in the image.
- IMAGE_BUILDINFO_FILE ??= "${sysconfdir}/build"
- # From buildhistory.bbclass
- def image_buildinfo_outputvars(vars, d):
- vars = vars.split()
- ret = ""
- for var in vars:
- value = d.getVar(var) or ""
- if (d.getVarFlag(var, 'type') == "list"):
- value = oe.utils.squashspaces(value)
- ret += "%s = %s\n" % (var, value)
- return ret.rstrip('\n')
- # Gets git branch's status (clean or dirty)
- def get_layer_git_status(path):
- import subprocess
- try:
- subprocess.check_output("""cd %s; export PSEUDO_UNLOAD=1; set -e;
- git diff --quiet --no-ext-diff
- git diff --quiet --no-ext-diff --cached""" % path,
- shell=True,
- stderr=subprocess.STDOUT)
- return ""
- except subprocess.CalledProcessError as ex:
- # Silently treat errors as "modified", without checking for the
- # (expected) return code 1 in a modified git repo. For example, we get
- # output and a 129 return code when a layer isn't a git repo at all.
- return "-- modified"
- # Returns layer revisions along with their respective status
- def get_layer_revs(d):
- layers = (d.getVar("BBLAYERS") or "").split()
- medadata_revs = ["%-17s = %s:%s %s" % (os.path.basename(i), \
- base_get_metadata_git_branch(i, None).strip(), \
- base_get_metadata_git_revision(i, None), \
- get_layer_git_status(i)) \
- for i in layers]
- return '\n'.join(medadata_revs)
- def buildinfo_target(d):
- # Get context
- if d.getVar('BB_WORKERCONTEXT') != '1':
- return ""
- # Single and list variables to be read
- vars = (d.getVar("IMAGE_BUILDINFO_VARS") or "")
- return image_buildinfo_outputvars(vars, d)
- # Write build information to target filesystem
- python buildinfo () {
- if not d.getVar('IMAGE_BUILDINFO_FILE'):
- return
- with open(d.expand('${IMAGE_ROOTFS}${IMAGE_BUILDINFO_FILE}'), 'w') as build:
- build.writelines((
- '''-----------------------
- Build Configuration: |
- -----------------------
- ''',
- buildinfo_target(d),
- '''
- -----------------------
- Layer Revisions: |
- -----------------------
- ''',
- get_layer_revs(d),
- '''
- '''
- ))
- }
- IMAGE_PREPROCESS_COMMAND += "buildinfo;"
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