[OE-core] [PATCH v3] lib/oe/utils: add eol to format_pkg_list()
akuster808
akuster808 at gmail.com
Wed Oct 10 20:29:23 UTC 2018
Grygorii,
On 10/10/2018 09:26 AM, grygorii tertychnyi via Openembedded-core wrote:
> Append '\n' to the non-empty formatted string before return. If you
> write it to the (manifest) file, it will ensure file ends with a newline.
>
> Many GNU utilities have problems processing the last line of a file
> if it is not '\n' terminated. E.g. if the last line is not terminated
> by a newline character, then "read" will read it but return false,
> leaving the broken partial line in the read variable(s).
> It can also break or adversely affect some text processing tools,
> that operate on the file.
is this needed for the cve patches?
- armin
> Signed-off-by: grygorii tertychnyi <gtertych at cisco.com>
> ---
>
> Changes in v3:
> o write_image_manifest(): remove extra '\n'
>
> PASS bitbake buildtools-tarball
> PASS bitbake core-image-minimal
> PASS bitbake core-image-sato -c do_populate_sdk_ext
> PASS oe-selftest --run-tests manifest.VerifyManifest.test_image_manifest_entries
>
> meta/classes/rootfs-postcommands.bbclass | 1 -
> meta/lib/oe/utils.py | 8 +++++++-
> 2 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/meta/classes/rootfs-postcommands.bbclass b/meta/classes/rootfs-postcommands.bbclass
> index e816824f28..bde58ad6cd 100644
> --- a/meta/classes/rootfs-postcommands.bbclass
> +++ b/meta/classes/rootfs-postcommands.bbclass
> @@ -253,7 +253,6 @@ python write_image_manifest () {
> pkgs = image_list_installed_packages(d)
> with open(manifest_name, 'w+') as image_manifest:
> image_manifest.write(format_pkg_list(pkgs, "ver"))
> - image_manifest.write("\n")
>
> if os.path.exists(manifest_name):
> manifest_link = deploy_dir + "/" + link_name + ".manifest"
> diff --git a/meta/lib/oe/utils.py b/meta/lib/oe/utils.py
> index 93b0763b0a..d05f517a70 100644
> --- a/meta/lib/oe/utils.py
> +++ b/meta/lib/oe/utils.py
> @@ -347,7 +347,13 @@ def format_pkg_list(pkg_dict, ret_format=None):
> for pkg in sorted(pkg_dict):
> output.append(pkg)
>
> - return '\n'.join(output)
> + output_str = '\n'.join(output)
> +
> + if output_str:
> + # make sure last line is newline terminated
> + output_str += '\n'
> +
> + return output_str
>
> def host_gcc_version(d, taskcontextonly=False):
> import re, subprocess
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