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