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maint: fix ioctls_sym.sh premature termination

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When the list of headers do not fit into the command line, xargs splits
it into several lists and then passes them to grep.  If no headers from
a list match the grep pattern, grep exits with a non-zero status that
causes xargs to exit with a non-zero status, too.

* maint/ioctls_sym.sh: Use "find -exec +" instead of xargs,
ignore its exit status.
This commit is contained in:
Gleb Fotengauer-Malinovskiy 2017-06-28 20:39:54 +03:00 committed by Dmitry V. Levin
parent 663b4f8273
commit 16f1b5ca72
1 changed files with 4 additions and 3 deletions
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7
maint/ioctls_sym.sh
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@ -75,9 +75,10 @@ tmpdir="$(mktemp -dt "$me.XXXXXX")"
# list interesting files in $inc_dir.
cd "$inc_dir"
inc_dir="$(pwd -P)"
find . -type f -name '*.h' -print0 |
xargs -r0 grep -l "$r_value" -- > "$tmpdir"/headers1.list ||
exit 0
find . -type f -name '*.h' -exec grep -l "$r_value" -- '{}' + \
> "$tmpdir"/headers1.list ||:
[ -s "$tmpdir"/headers1.list ] || exit 0
cd - > /dev/null
sed 's|^\./\(uapi/\)\?||' < "$tmpdir"/headers1.list > "$tmpdir"/headers.list
LC_COLLATE=C sort -u -o "$tmpdir"/headers.list "$tmpdir"/headers.list