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METADATA_BRANCH ?= "${@base_detect_branch(d)}"
METADATA_REVISION ?= "${@base_detect_revision(d)}"

def base_detect_revision(d):
    path = base_get_scmbasepath(d)

    scms = [base_get_metadata_git_revision]

    for scm in scms:
        rev = scm(path, d)
        if rev != "<unknown>":
            return rev

    return "<unknown>"

def base_detect_branch(d):
    path = base_get_scmbasepath(d)

    scms = [base_get_metadata_git_branch]

    for scm in scms:
        rev = scm(path, d)
        if rev != "<unknown>":
            return rev.strip()

    return "<unknown>"

def base_get_scmbasepath(d):
    return os.path.join(d.getVar('COREBASE'), 'meta')

def base_get_metadata_monotone_branch(path, d):
    monotone_branch = "<unknown>"
    try:
        with open("%s/_MTN/options" % path) as f:
            monotone_branch = f.read().strip()
            if monotone_branch.startswith( "database" ):
                monotone_branch_words = monotone_branch.split()
                monotone_branch = monotone_branch_words[ monotone_branch_words.index( "branch" )+1][1:-1]
    except:
        pass
    return monotone_branch

def base_get_metadata_monotone_revision(path, d):
    monotone_revision = "<unknown>"
    try:
        with open("%s/_MTN/revision" % path) as f:
            monotone_revision = f.read().strip()
            if monotone_revision.startswith( "format_version" ):
                monotone_revision_words = monotone_revision.split()
                monotone_revision = monotone_revision_words[ monotone_revision_words.index( "old_revision" )+1][1:-1]
    except IOError:
        pass
    return monotone_revision

def base_get_metadata_svn_revision(path, d):
    # This only works with older subversion. For newer versions 
    # this function will need to be fixed by someone interested
    revision = "<unknown>"
    try:
        with open("%s/.svn/entries" % path) as f:
            revision = f.readlines()[3].strip()
    except (IOError, IndexError):
        pass
    return revision

def base_get_metadata_git_branch(path, d):
    import bb.process

    try:
        rev, _ = bb.process.run('git rev-parse --abbrev-ref HEAD', cwd=path)
    except bb.process.ExecutionError:
        rev = '<unknown>'
    return rev.strip()

def base_get_metadata_git_revision(path, d):
    import bb.process

    try:
        rev, _ = bb.process.run('git rev-parse HEAD', cwd=path)
    except bb.process.ExecutionError:
        rev = '<unknown>'
    return rev.strip()
envdata.setVarFlag(key, 'export', '1') # Use original PATH as a fallback path = d.getVar('PATH') + ":" + origbbenv.getVar('PATH') os.environ['PATH'] = path envdata.setVar('PATH', path) # A complex PS1 might need more escaping of chars. # Lets not export PS1 instead. envdata.delVar("PS1") # Replace command with an executable wrapper script command = emit_terminal_func(command, envdata, d) terminal = oe.data.typed_value('OE_TERMINAL', d).lower() if terminal == 'none': bb.fatal('Devshell usage disabled with OE_TERMINAL') elif terminal != 'auto': try: oe.terminal.spawn(terminal, command, title, None, d) return except oe.terminal.UnsupportedTerminal: bb.warn('Unsupported terminal "%s", defaulting to "auto"' % terminal) except oe.terminal.ExecutionError as exc: bb.fatal('Unable to spawn terminal %s: %s' % (terminal, exc)) try: oe.terminal.spawn_preferred(command, title, None, d) except oe.terminal.NoSupportedTerminals as nosup: nosup.terms.remove("false") cmds = '\n\t'.join(nosup.terms).replace("{command}", "do_terminal").replace("{title}", title) bb.fatal('No valid terminal found, unable to open devshell.\n' + 'Tried the following commands:\n\t%s' % cmds) except oe.terminal.ExecutionError as exc: bb.fatal('Unable to spawn terminal %s: %s' % (terminal, exc)) oe_terminal[vardepsexclude] = "BB_ORIGENV"