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Improve simplified quoting

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman 2024-02-26 17:29:31 +00:00
parent bdf0a6d431
commit dbc2e8d4cc
1 changed files with 9 additions and 12 deletions
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21
tests/scripts/quiet/quiet
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@ -27,18 +27,15 @@ print_quoted_args() {
# similar to printf '%q' "$@"
# but produce more human-readable results for common/simple cases like "a b"
for a in "$@"; do
simple_pattern='^([[:alnum:]_+-]+=)?([[:alnum:] _=+-./:@]*)$'
if [[ $a =~ ' ' && $a =~ $simple_pattern ]]; then
# a has spaces, but no other special characters that need escaping
# (quoting after removing spaces yields no backslashes)
# simplify quoted form - e.g.:
# a b -> "a b"
# CFLAGS=a b -> CFLAGS="a b"
q="${BASH_REMATCH[1]}\"${BASH_REMATCH[2]}\""
else
# get bash to do the quoting (which may result in no quotes or escaping,
# if none is needed).
q=$(printf '%q' "$a")
# Get bash to quote the string
q=$(printf '%q' "$a")
simple_pattern="^([-[:alnum:]_+./:@]+=)?([^']*)$"
if [[ "$a" != "$q" && $a =~ $simple_pattern ]]; then
# a requires some quoting (a != q), but has no single quotes, so we can
# simplify the quoted form - e.g.:
# a b -> 'a b'
# CFLAGS=a b -> CFLAGS='a b'
q="${BASH_REMATCH[1]}'${BASH_REMATCH[2]}'"
fi
printf "%s " "$q"
done