| index : pacman | |
| Archlinux32 fork of pacman | gitolite user |
| summaryrefslogtreecommitdiff |
| -rw-r--r-- | Makefile.am | 6 | ||||
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | scripts/Makefile.am | 1 | ||||
| -rw-r--r-- | scripts/library/README | 20 | ||||
| -rw-r--r-- | scripts/library/parseopts.sh | 141 | ||||
| -rw-r--r-- | scripts/po/POTFILES.in | 1 | ||||
| -rw-r--r-- | test/scripts/Makefile.am | 9 | ||||
| -rwxr-xr-x | test/scripts/parseopts_test.sh | 138 |
diff --git a/Makefile.am b/Makefile.am index a024a2e6..e08b809b 100644 --- a/Makefile.am +++ b/Makefile.am @@ -1,4 +1,4 @@ -SUBDIRS = lib/libalpm src/util src/pacman scripts etc test/pacman test/util +SUBDIRS = lib/libalpm src/util src/pacman scripts etc test/pacman test/util test/scripts if WANT_DOC SUBDIRS += doc endif @@ -23,7 +23,7 @@ dist_pkgdata_DATA = \ proto/ChangeLog.proto # run the pactest test suite and vercmp tests -check-local: test/pacman test/util src/pacman src/util +check-local: test/pacman test/scripts test/util src/pacman src/util LC_ALL=C $(PYTHON) $(top_srcdir)/test/pacman/pactest.py --debug=1 \ --test $(top_srcdir)/test/pacman/tests/*.py \ -p $(top_builddir)/src/pacman/pacman @@ -31,6 +31,8 @@ check-local: test/pacman test/util src/pacman src/util $(top_builddir)/src/util/pacsort $(SH) $(top_srcdir)/test/util/vercmptest.sh \ $(top_builddir)/src/util/vercmp + $(BASH_SHELL) $(top_srcdir)/test/scripts/parseopts_test.sh \ + $(top_srcdir)/scripts/library/parseopts.sh # create the pacman DB and cache directories upon install install-data-local: diff --git a/configure.ac b/configure.ac index 8898f146..d488bfaf 100644 --- a/configure.ac +++ b/configure.ac @@ -442,6 +442,7 @@ doc/Makefile etc/Makefile test/pacman/Makefile test/pacman/tests/Makefile +test/scripts/Makefile test/util/Makefile contrib/Makefile Makefile diff --git a/scripts/Makefile.am b/scripts/Makefile.am index 328fbff2..7662fba6 100644 --- a/scripts/Makefile.am +++ b/scripts/Makefile.am @@ -27,6 +27,7 @@ EXTRA_DIST = \ LIBRARY = \ library/output_format.sh \ + library/parseopts.sh \ library/parse_options.sh # Files that should be removed, but which Automake does not know. diff --git a/scripts/library/README b/scripts/library/README index 1e9c962b..f43873f3 100644 --- a/scripts/library/README +++ b/scripts/library/README @@ -13,3 +13,23 @@ A getopt replacement to avoids portability issues, in particular the lack of long option name support in the default getopt provided by some platforms. Usage: parse_option $SHORT_OPTS $LONG_OPTS "$@" + +parseopts.sh: +A getopt_long-like parser which portably supports longopts and shortopts +with some GNU extensions. It does not allow for options with optional +arguments. For both short and long opts, options requiring an argument +should be suffixed with a colon. After the first argument containing +the short opts, any number of valid long opts may be be passed. The end +of the options delimiter must then be added, followed by the user arguments +to the calling program. + +Reccommended Usage: + OPT_SHORT='fb:z' + OPT_LONG=('foo' 'bar:' 'baz') + if ! parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@"; then + exit 1 + fi + set -- "${OPTRET[@]}" +Returns: + 0: parse success + 1: parse failure (error message supplied) diff --git a/scripts/library/parseopts.sh b/scripts/library/parseopts.sh new file mode 100644 index 00000000..11589ce3 --- /dev/null +++ b/scripts/library/parseopts.sh @@ -0,0 +1,141 @@ +# getopt-like parser +parseopts() { + local opt= optarg= i= shortopts=$1 + local -a longopts=() unused_argv=() + + shift + while [[ $1 && $1 != '--' ]]; do + longopts+=("$1") + shift + done + shift + + longoptmatch() { + local o longmatch=() + for o in "${longopts[@]}"; do + if [[ ${o%:} = "$1" ]]; then + longmatch=("$o") + break + fi + [[ ${o%:} = "$1"* ]] && longmatch+=("$o") + done + + case ${#longmatch[*]} in + 1) + # success, override with opt and return arg req (0 == none, 1 == required) + opt=${longmatch%:} + if [[ $longmatch = *: ]]; then + return 1 + else + return 0 + fi ;; + 0) + # fail, no match found + return 255 ;; + *) + # fail, ambiguous match + printf "@SCRIPTNAME@: $(gettext "option '%s' is ambiguous; possibilities:")" "--$1" + printf " '%s'" "${longmatch[@]%:}" + printf '\n' + return 254 ;; + esac >&2 + } + + while (( $# )); do + case $1 in + --) # explicit end of options + shift + break + ;; + -[!-]*) # short option + for (( i = 1; i < ${#1}; i++ )); do + opt=${1:i:1} + + # option doesn't exist + if [[ $shortopts != *$opt* ]]; then + printf "@SCRIPTNAME@: $(gettext "invalid option") -- '%s'\n" "$opt" >&2 + OPTRET=(--) + return 1 + fi + + OPTRET+=("-$opt") + # option requires optarg + if [[ $shortopts = *$opt:* ]]; then + # if we're not at the end of the option chunk, the rest is the optarg + if (( i < ${#1} - 1 )); then + OPTRET+=("${1:i+1}") + break + # if we're at the end, grab the the next positional, if it exists + elif (( i == ${#1} - 1 )) && [[ $2 ]]; then + OPTRET+=("$2") + shift + break + # parse failure + else + printf "@SCRIPTNAME@: $(gettext "option requires an argument") -- '%s'\n" "$opt" >&2 + OPTRET=(--) + return 1 + fi + fi + done + ;; + --?*=*|--?*) # long option + IFS='=' read -r opt optarg <<< "${1#--}" + longoptmatch "$opt" + case $? in + 0) + # parse failure + if [[ $optarg ]]; then + printf "@SCRIPTNAME@: $(gettext "option '%s' does not allow an argument")\n" "--$opt" >&2 + OPTRET=(--) + return 1 + # --longopt + else + OPTRET+=("--$opt") + shift + continue 2 + fi + ;; + 1) + # --longopt=optarg + if [[ $optarg ]]; then + OPTRET+=("--$opt" "$optarg") + shift + # --longopt optarg + elif [[ $2 ]]; then + OPTRET+=("--$opt" "$2" ) + shift 2 + # parse failure + else + printf "@SCRIPTNAME@: $(gettext "option '%s' requires an argument")\n" "--$opt" >&2 + OPTRET=(--) + return 1 + fi + continue 2 + ;; + 254) + # ambiguous option -- error was reported for us by longoptmatch() + OPTRET=(--) + return 1 + ;; + 255) + # parse failure + printf "@SCRIPTNAME@: $(gettext "invalid option") '--%s'\n" "$opt" >&2 + OPTRET=(--) + return 1 + ;; + esac + ;; + *) # non-option arg encountered, add it as a parameter + unused_argv+=("$1") + ;; + esac + shift + done + + # add end-of-opt terminator and any leftover positional parameters + OPTRET+=('--' "${unused_argv[@]}" "$@") + unset longoptmatch + + return 0 +} diff --git a/scripts/po/POTFILES.in b/scripts/po/POTFILES.in index 007e535f..01cc235f 100644 --- a/scripts/po/POTFILES.in +++ b/scripts/po/POTFILES.in @@ -9,3 +9,4 @@ scripts/pkgdelta.sh.in scripts/repo-add.sh.in scripts/library/output_format.sh scripts/library/parse_options.sh +scripts/library/parseopts.sh diff --git a/test/scripts/Makefile.am b/test/scripts/Makefile.am new file mode 100644 index 00000000..b949e880 --- /dev/null +++ b/test/scripts/Makefile.am @@ -0,0 +1,9 @@ +check_SCRIPTS = \ + parseopts_test.sh + +noinst_SCRIPTS = $(check_SCRIPTS) + +EXTRA_DIST = \ + $(check_SCRIPTS) + +# vim:set ts=2 sw=2 noet: diff --git a/test/scripts/parseopts_test.sh b/test/scripts/parseopts_test.sh new file mode 100755 index 00000000..b5c07b5d --- /dev/null +++ b/test/scripts/parseopts_test.sh @@ -0,0 +1,138 @@ +#!/bin/bash + +declare -i testcount=0 pass=0 fail=0 + +# source the library function +if [[ -z $1 || ! -f $1 ]]; then + printf "error: path to parseopts library not provided or does not exist\n" + exit 1 +fi +. "$1" + +if ! type -t parseopts >/dev/null; then + printf 'parseopts function not found\n' + exit 1 +fi + +# borrow opts from makepkg +OPT_SHORT="AcdefFghiLmop:rRsV" +OPT_LONG=('allsource' 'asroot' 'ignorearch' 'check' 'clean:' 'cleanall' 'nodeps' + 'noextract' 'force' 'forcever:' 'geninteg' 'help' 'holdver' + 'install' 'key:' 'log' 'nocolor' 'nobuild' 'nocheck' 'nosign' 'pkg:' 'rmdeps' + 'repackage' 'skipinteg' 'sign' 'source' 'syncdeps' 'version' 'config:' + 'noconfirm' 'noprogressbar') + +parse() { + local result=$1 tokencount=$2; shift 2 + + (( ++testcount )) + parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@" 2>/dev/null + test_result "$result" "$tokencount" "$*" "${OPTRET[@]}" + unset OPTRET +} + +test_result() { + local result=$1 tokencount=$2 input=$3; shift 3 + + if [[ $result = "$*" ]] && (( tokencount == $# )); then + (( ++pass )) + else + printf '[TEST %3s]: FAIL\n' "$testcount" + printf ' input: %s\n' "$input" + printf ' output: %s (%s tokens)\n' "$*" "$#" + printf ' expected: %s (%s tokens)\n' "$result" "$tokencount" + echo + (( ++fail )) + fi +} + +summarize() { + if (( !fail )); then + printf 'All %s tests successful\n' "$testcount" + exit 0 + else + printf '%s of %s tests failed\n' "$fail" "$testcount" + exit 1 + fi +} +trap 'summarize' EXIT + +printf 'Beginning parseopts tests\n' + +# usage: parse <expected result> <token count> test-params... +# a failed parse will match only the end of options marker '--' + +# no options +parse '--' 1 + +# short options +parse '-s -r --' 3 -s -r + +# short options, no spaces +parse '-s -r --' 3 -sr + +# short opt missing an opt arg +parse '--' 1 -s -p + +# short opt with an opt arg +parse '-p PKGBUILD -L --' 4 -p PKGBUILD -L + +# short opt with an opt arg, no space +parse '-p PKGBUILD --' 3 -pPKGBUILD + +# valid shortopts as a long opt +parse '--' 1 --sir + +# long opt wiht no optarg +parse '--log --' 2 --log + +# long opt with missing optarg +parse '--' 1 -sr --pkg + +# long opt with optarg +parse '--pkg foo --' 3 --pkg foo + +# long opt with optarg with whitespace +parse '--pkg foo bar -- baz' 4 --pkg "foo bar" baz + +# long opt with optarg with = +parse '--pkg foo=bar -- baz' 4 --pkg foo=bar baz + +# long opt with explicit optarg +parse '--pkg bar -- foo baz' 5 foo --pkg=bar baz + +# long opt with explicit optarg, with whitespace +parse '--pkg foo bar -- baz' 4 baz --pkg="foo bar" + +# long opt with explicit optarg that doesn't take optarg +parse '--' 1 --force=always -s + +# long opt with explicit optarg with = +parse '--pkg foo=bar --' 3 --pkg=foo=bar + +# explicit end of options with options after +parse '-s -r -- foo bar baz' 6 -s -r -- foo bar baz + +# non-option parameters mixed in with options +parse '-s -r -- foo baz' 5 -s foo baz -r + +# optarg with whitespace +parse '-p foo bar -s --' 4 -p'foo bar' -s + +# non-option parameter with whitespace +parse '-i -- foo bar' 3 -i 'foo bar' + +# successful stem match (opt has no arg) +parse '--nocolor --' 2 --nocol + +# successful stem match (opt has arg) +parse '--config foo --' 3 --conf foo + +# ambiguous long opt +parse '--' 1 '--for' + +# exact match on a possible stem (--force & --forcever) +parse '--force --' 2 --force + +# exact match on possible stem (opt has optarg) +parse '--clean foo --' 3 --clean=foo |