diff options
| -rw-r--r-- | meta/classes/image_types.bbclass | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass index f7de756b71..2b97397a51 100644 --- a/meta/classes/image_types.bbclass +++ b/meta/classes/image_types.bbclass @@ -218,6 +218,52 @@ USING_WIC = "${@bb.utils.contains_any('IMAGE_FSTYPES', 'wic ' + ' '.join('wic.%s WKS_FILE_CHECKSUM = "${@'${WKS_FULL_PATH}:%s' % os.path.exists('${WKS_FULL_PATH}') if '${USING_WIC}' else ''}" do_image_wic[file-checksums] += "${WKS_FILE_CHECKSUM}" +python do_write_wks_template () { + """Write out expanded template contents to WKS_FULL_PATH.""" + import re + + template_body = d.getVar('_WKS_TEMPLATE', True) + + # Remove any remnant variable references left behind by the expansion + # due to undefined variables + expand_var_regexp = re.compile(r"\${[^{}@\n\t :]+}") + while True: + new_body = re.sub(expand_var_regexp, '', template_body) + if new_body == template_body: + break + else: + template_body = new_body + + wks_file = d.getVar('WKS_FULL_PATH', True) + with open(wks_file, 'w') as f: + f.write(template_body) +} + +python () { + if d.getVar('USING_WIC', True): + wks_file_u = d.getVar('WKS_FULL_PATH', False) + wks_file = d.expand(wks_file_u) + base, ext = os.path.splitext(wks_file) + if ext == '.in' and os.path.exists(wks_file): + wks_out_file = os.path.join(d.getVar('WORKDIR', True), os.path.basename(base)) + d.setVar('WKS_FULL_PATH', wks_out_file) + d.setVar('WKS_TEMPLATE_PATH', wks_file_u) + d.setVar('WKS_FILE_CHECKSUM', '${WKS_TEMPLATE_PATH}:True') + + try: + with open(wks_file, 'r') as f: + body = f.read() + except (IOError, OSError) as exc: + pass + else: + # Previously, I used expandWithRefs to get the dependency list + # and add it to WICVARS, but there's no point re-parsing the + # file in process_wks_template as well, so just put it in + # a variable and let the metadata deal with the deps. + d.setVar('_WKS_TEMPLATE', body) + bb.build.addtask('do_write_wks_template', 'do_image_wic', None, d) +} + EXTRA_IMAGECMD = "" inherit siteinfo |