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import os
import subprocess
import bb.process
def detect_revision(d):
path = get_scmbasepath(d)
return get_metadata_git_revision(path)
def detect_branch(d):
path = get_scmbasepath(d)
return get_metadata_git_branch(path)
def get_scmbasepath(d):
return os.path.join(d.getVar('COREBASE'), 'meta')
def get_metadata_git_branch(path):
try:
rev, _ = bb.process.run('git rev-parse --abbrev-ref HEAD', cwd=path)
except bb.process.ExecutionError:
rev = '<unknown>'
return rev.strip()
def get_metadata_git_revision(path):
try:
rev, _ = bb.process.run('git rev-parse HEAD', cwd=path)
except bb.process.ExecutionError:
rev = '<unknown>'
return rev.strip()
def is_layer_modified(path):
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"
def get_layer_revisions(d):
layers = (d.getVar("BBLAYERS") or "").split()
revisions = []
for i in layers:
revisions.append((i, os.path.basename(i), get_metadata_git_branch(i).strip(), get_metadata_git_revision(i), is_layer_modified(i)))
return revisions
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