Previously parseopts checked if there was an argument by checking
that the string was non-empty, resulting in empty arguments being
incorrectly considered non-existent. This change makes parseopts check
if arguments exist at all, rather than checking that they are non-empty
Signed-off-by: Ethan Sommer <e5ten.a...@gmail.com>
---
scripts/libmakepkg/util/parseopts.sh.in | 8 ++++----
test/scripts/parseopts_test.sh | 5 ++++-
2 files changed, 8 insertions(+), 5 deletions(-)
diff --git a/scripts/libmakepkg/util/parseopts.sh.in
b/scripts/libmakepkg/util/parseopts.sh.in
index 38ff7f62..698f2acb 100644
--- a/scripts/libmakepkg/util/parseopts.sh.in
+++ b/scripts/libmakepkg/util/parseopts.sh.in
@@ -103,7 +103,7 @@ parseopts() {
OPTRET+=("-$opt" "${1:i+1}")
break
# if we're at the end,
grab the the next positional, if it exists
- elif (( i == ${#1} - 1
)) && [[ $2 ]]; then
+ elif (( i == ${#1} - 1
&& $# > 1 )); then
OPTRET+=("-$opt" "$2")
shift
break
@@ -144,7 +144,7 @@ parseopts() {
case $? in
0)
# parse failure
- if [[ $optarg ]]; then
+ if [[ $1 = *=* ]]; then
printf "${0##*/}:
$(gettext "option '%s' does not allow an argument")\n" "--$opt" >&2
OPTRET=(--)
return 1
@@ -155,10 +155,10 @@ parseopts() {
;;
1)
# --longopt=optarg
- if [[ $optarg ]]; then
+ if [[ $1 = *=* ]]; then
OPTRET+=("--$opt"
"$optarg")
# --longopt optarg
- elif [[ $2 ]]; then
+ elif (( $# > 1 )); then
OPTRET+=("--$opt" "$2" )
shift
# parse failure
diff --git a/test/scripts/parseopts_test.sh b/test/scripts/parseopts_test.sh
index 8f1ea1f3..3d706be8 100755
--- a/test/scripts/parseopts_test.sh
+++ b/test/scripts/parseopts_test.sh
@@ -31,7 +31,7 @@ tap_parse() {
unset OPTRET
}
-tap_plan 54
+tap_plan 56
# usage: tap_parse <expected result> <token count> test-params...
# a failed tap_parse will match only the end of options marker '--'
@@ -117,4 +117,7 @@ tap_parse '--opt= --opt=foo --opt --' 4 --opt= --opt=foo
--opt
# short opt with and without optional arg, and non-option arg
tap_parse '-b=foo -A -b -- foo' 5 -bfoo -Ab foo
+# all possible ways to specify empty optargs
+tap_parse '--key --pkg -p --' 7 --key '' --pkg='' -p ''
+
tap_finish
--
2.24.0
