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SubjectRe: [v2 08/10] scripts: Coccinelle script for namespace dependencies
On Thu, Aug 15, 2019 at 03:50:38PM +0200, Markus Elfring wrote:
>> +generate_deps_for_ns() {
>> + $SPATCH --very-quiet --in-place --sp-file \
>> + $srctree/scripts/coccinelle/misc/add_namespace.cocci -D ns=$1 $2
>> +}
>* Where will the variable “srctree” be set for the file “scripts/nsdeps”?

$srctree is defined by kbuild in the toplevel Makefile.

>* Would you like to support a separate build directory for desired adjustments?

No, as the purpose of this script is to directly patch the kernel
sources where applicable.

>* How do you think about to check error handling around such commands?

spatch emits a descriptive message on error. I will add a 'set
-e' to the script so that it aborts on errors.

>> +generate_deps() {
>> + for source_file in $mod_source_files; do
>> + sed '/MODULE_IMPORT_NS/Q' $source_file > ${source_file}.tmp
>I suggest to assign the name for the temporary file to a variable
>which should be used by subsequent commands.

I somehow don't agree that this is an improvement to the code as the
variable would likely be something like ${source_file_tmp}. Sticking to
${source_file}.tmp does express the intent of a temporary file next to
the original source file and the reader of the code does not need to
reason about the value of ${source_file_tmp}.


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