Date: Sun, 23 Aug 2020 17:46:10 +0000 (UTC) From: Craig Leres <leres@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r364502 - in stable/12: contrib/netbsd-tests/usr.bin/grep usr.bin/grep Message-ID: <202008231746.07NHkANZ000963@repo.freebsd.org>
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Author: leres (ports committer) Date: Sun Aug 23 17:46:10 2020 New Revision: 364502 URL: https://svnweb.freebsd.org/changeset/base/364502 Log: MFC r363381: Fix some regressions with the zgrep(1) wrapper. PR: 247126 Modified: stable/12/contrib/netbsd-tests/usr.bin/grep/t_grep.sh (contents, props changed) stable/12/usr.bin/grep/zgrep.1 stable/12/usr.bin/grep/zgrep.sh Directory Properties: stable/12/ (props changed) Modified: stable/12/contrib/netbsd-tests/usr.bin/grep/t_grep.sh ============================================================================== --- stable/12/contrib/netbsd-tests/usr.bin/grep/t_grep.sh Sun Aug 23 17:34:21 2020 (r364501) +++ stable/12/contrib/netbsd-tests/usr.bin/grep/t_grep.sh Sun Aug 23 17:46:10 2020 (r364502) @@ -214,6 +214,89 @@ zgrep_body() atf_check -o file:"$(atf_get_srcdir)/d_zgrep.out" zgrep -h line d_input.gz } +atf_test_case zgrep_combined_flags +zgrep_combined_flags_head() +{ + atf_set "descr" "Checks for zgrep wrapper problems with combined flags (PR 247126)" +} +zgrep_combined_flags_body() +{ + atf_expect_fail "known but unsolved zgrep wrapper script regression" + + echo 'foo bar' > test + + atf_check -o inline:"foo bar\n" zgrep -we foo test + # Avoid hang on reading from stdin in the failure case + atf_check -o inline:"foo bar\n" zgrep -wefoo test < /dev/null +} + +atf_test_case zgrep_eflag +zgrep_eflag_head() +{ + atf_set "descr" "Checks for zgrep wrapper problems with -e PATTERN (PR 247126)" +} +zgrep_eflag_body() +{ + echo 'foo bar' > test + + # Avoid hang on reading from stdin in the failure case + atf_check -o inline:"foo bar\n" zgrep -e 'foo bar' test < /dev/null + atf_check -o inline:"foo bar\n" zgrep --regexp='foo bar' test < /dev/null +} + +atf_test_case zgrep_fflag +zgrep_fflag_head() +{ + atf_set "descr" "Checks for zgrep wrapper problems with -f FILE (PR 247126)" +} +zgrep_fflag_body() +{ + echo foo > pattern + echo foobar > test + + # Avoid hang on reading from stdin in the failure case + atf_check -o inline:"foobar\n" zgrep -f pattern test </dev/null + atf_check -o inline:"foobar\n" zgrep --file=pattern test </dev/null +} + +atf_test_case zgrep_long_eflag +zgrep_long_eflag_head() +{ + atf_set "descr" "Checks for zgrep wrapper problems with --ignore-case reading from stdin (PR 247126)" +} +zgrep_long_eflag_body() +{ + echo foobar > test + + atf_check -o inline:"foobar\n" zgrep -e foo --ignore-case < test +} + +atf_test_case zgrep_multiple_eflags +zgrep_multiple_eflags_head() +{ + atf_set "descr" "Checks for zgrep wrapper problems with multiple -e flags (PR 247126)" +} +zgrep_multiple_eflags_body() +{ + atf_expect_fail "known but unsolved zgrep wrapper script regression" + + echo foobar > test + + atf_check -o inline:"foobar\n" zgrep -e foo -e xxx test +} + +atf_test_case zgrep_empty_eflag +zgrep_empty_eflag_head() +{ + atf_set "descr" "Checks for zgrep wrapper problems with empty -e flags pattern (PR 247126)" +} +zgrep_empty_eflag_body() +{ + echo foobar > test + + atf_check -o inline:"foobar\n" zgrep -e '' test +} + atf_test_case nonexistent nonexistent_head() { @@ -826,6 +909,12 @@ atf_init_test_cases() atf_add_test_case file_exp atf_add_test_case egrep atf_add_test_case zgrep + atf_add_test_case zgrep_combined_flags + atf_add_test_case zgrep_eflag + atf_add_test_case zgrep_empty_eflag + atf_add_test_case zgrep_fflag + atf_add_test_case zgrep_long_eflag + atf_add_test_case zgrep_multiple_eflags atf_add_test_case nonexistent atf_add_test_case context2 # Begin FreeBSD Modified: stable/12/usr.bin/grep/zgrep.1 ============================================================================== --- stable/12/usr.bin/grep/zgrep.1 Sun Aug 23 17:34:21 2020 (r364501) +++ stable/12/usr.bin/grep/zgrep.1 Sun Aug 23 17:46:10 2020 (r364502) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd August 21, 2018 +.Dd July 20, 2020 .Dt ZGREP 1 .Os .Sh NAME @@ -86,9 +86,29 @@ to read compressed files. .Sh SEE ALSO .Xr bzip2 1 , .Xr grep 1 , -.Xr xz 1 +.Xr gzip 1 , +.Xr xz 1 , +.Xr zstd 1 .Sh AUTHORS This version of the .Nm utility was written by .An Thomas Klausner Aq Mt wiz@NetBSD.org . +.Sh BUGS +.Xr zgrep 1 +does not handle flags that take arguments if there is no whitespace +between the flag and the argument, for example: +.Pp +.Dl "zgrep -enfs /etc/rpc" +.Pp +When more than one +.Fl e +flag is used matching +should occur for any of the patterns (similar to multiple patterns +supplied in a file with the +.Fl f +flag). +.Xr zgrep 1 +only matches the last +.Fl e +pattern. Modified: stable/12/usr.bin/grep/zgrep.sh ============================================================================== --- stable/12/usr.bin/grep/zgrep.sh Sun Aug 23 17:34:21 2020 (r364501) +++ stable/12/usr.bin/grep/zgrep.sh Sun Aug 23 17:46:10 2020 (r364502) @@ -29,6 +29,7 @@ grep=grep zcat=zstdcat endofopts=0 +pattern_file=0 pattern_found=0 grep_args="" hyphen=0 @@ -75,29 +76,46 @@ while [ $# -gt 0 -a ${endofopts} -eq 0 ] do case $1 in # from GNU grep-2.5.1 -- keep in sync! - -[ABCDXdefm]) + --) + shift + endofopts=1 + ;; + --file=*) + pattern_file=1 + grep_args="${grep_args} ${1}" + shift + ;; + --regexp=*) + pattern="${1#--regexp=}" + pattern_found=1 + shift + ;; + --*) + grep_args="${grep_args} $1" + shift + ;; + -*[ABCDXdefm]) if [ $# -lt 2 ] then echo "${prg}: missing argument for $1 flag" >&2 exit 1 fi case $1 in - -e) + -*e) pattern="$2" pattern_found=1 shift 2 - break + continue ;; + -*f) + pattern_file=1 + ;; *) ;; esac grep_args="${grep_args} $1 $2" shift 2 ;; - --) - shift - endofopts=1 - ;; -) hyphen=1 shift @@ -125,7 +143,7 @@ do done # if no -e option was found, take next argument as grep-pattern -if [ ${pattern_found} -lt 1 ] +if [ ${pattern_file} -eq 0 -a ${pattern_found} -eq 0 ] then if [ $# -ge 1 ]; then pattern="$1" @@ -136,6 +154,7 @@ then echo "${prg}: missing pattern" >&2 exit 1 fi + pattern_found=1 fi ret=0 @@ -143,15 +162,24 @@ ret=0 if [ $# -lt 1 ] then # ... on stdin - ${cattool} ${catargs} - | ${grep} ${grep_args} -- "${pattern}" - || ret=$? + if [ ${pattern_file} -eq 0 ]; then + ${cattool} ${catargs} - | ${grep} ${grep_args} -- "${pattern}" - || ret=$? + else + ${cattool} ${catargs} - | ${grep} ${grep_args} -- - || ret=$? + fi else # ... on all files given on the command line if [ ${silent} -lt 1 -a $# -gt 1 ]; then grep_args="-H ${grep_args}" fi for file; do - ${cattool} ${catargs} -- "${file}" | - ${grep} --label="${file}" ${grep_args} -- "${pattern}" - || ret=$? + if [ ${pattern_file} -eq 0 ]; then + ${cattool} ${catargs} -- "${file}" | + ${grep} --label="${file}" ${grep_args} -- "${pattern}" - || ret=$? + else + ${cattool} ${catargs} -- "${file}" | + ${grep} --label="${file}" ${grep_args} -- - || ret=$? + fi done fi
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