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check: fix warnings from shellcheck 0.8.0

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And make errors gcc-style, so emacs can jump through the automatically.

```
In devtools/reduce-includes.sh line 21:
	    echo -n "-$LINE"
                 ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.


In devtools/reduce-includes.sh line 25:
	    echo -n "."
                 ^-- SC3037 (warning): In POSIX sh, echo flags are undefined.


In tools/rel.sh line 6:
prefix=$(printf '%s\n' "${from#$common}" | sed 's@[^/][^/]*@..@g')
                               ^-----^ SC2295 (info): Expansions inside ${..} need to be quoted separately, otherwise they match as patterns.

Did you mean: 
prefix=$(printf '%s\n' "${from#"$common"}" | sed 's@[^/][^/]*@..@g')


In tools/rel.sh line 7:
printf '%s\n' "$prefix/${to#$common}"
                            ^-----^ SC2295 (info): Expansions inside ${..} need to be quoted separately, otherwise they match as patterns.

Did you mean: 
printf '%s\n' "$prefix/${to#"$common"}"

For more information:
  https://www.shellcheck.net/wiki/SC3037 -- In POSIX sh, echo flags are undef...
  https://www.shellcheck.net/wiki/SC2295 -- Expansions inside ${..} need to b...
make: *** [Makefile:553: check-shellcheck] Error 123
```

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
2022-11-09 13:02:01 +10:30
committed by Christian Decker
parent 8a217f13cf
commit 2e4a58efac
3 changed files with 6 additions and 7 deletions
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7
devtools/reduce-includes.sh
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@@ -17,12 +17,11 @@ for file; do
grep -F -v "$LINE" "$file" > "$file".c
if $CCMD /tmp/out.$$.o "$file".c 2>/dev/null; then
# shellcheck disable=SC2039
echo -n "-$LINE"
printf "%s" "-$LINE"
mv "$file".c "$file"
else
# shellcheck disable=SC2039
echo -n "."
# shellcheck disable=SC2039,SC3037
printf "."
rm -f "$file".c
i=$((i + 1))
fi