commit:     bad1434434e66744b2c660546374f8574ed9d8a0
Author:     Sam James <sam <AT> gentoo <DOT> org>
AuthorDate: Sun Apr 28 23:04:03 2024 +0000
Commit:     Sam James <sam <AT> gentoo <DOT> org>
CommitDate: Sun Apr 28 23:05:49 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=bad14344

sys-apps/grep: fix operation on large directories

While I did backport the test itself, it's not run by default as
it's marked as expensive. We may want to run those in future though.

Closes: https://bugs.gentoo.org/930825
Signed-off-by: Sam James <sam <AT> gentoo.org>

 sys-apps/grep/files/grep-3.11-100k-files-dir.patch | 143 +++++++++++++++++++++
 sys-apps/grep/grep-3.11-r1.ebuild                  | 122 ++++++++++++++++++
 2 files changed, 265 insertions(+)

diff --git a/sys-apps/grep/files/grep-3.11-100k-files-dir.patch 
b/sys-apps/grep/files/grep-3.11-100k-files-dir.patch
new file mode 100644
index 000000000000..2862fef02efd
--- /dev/null
+++ b/sys-apps/grep/files/grep-3.11-100k-files-dir.patch
@@ -0,0 +1,143 @@
+https://bugs.gentoo.org/930825
+https://debbugs.gnu.org/64773
+https://bugs.debian.org/1041588
+https://bugs.debian.org/1041588#105
+
+We backport the following:
+* the fix 
(https://git.savannah.gnu.org/cgit/gnulib.git/commit/?id=d4d8abb39eb02c555f062b1f83ffcfac999c582f)
+* a test 
(https://git.savannah.gnu.org/cgit/grep.git/commit/?id=d1c3fbe7722662b449bae23130b644c726473fe3)
+* a fixup commit for the test 
(https://git.savannah.gnu.org/cgit/grep.git/commit/?id=180e8dd674ede48727c03647dd36c1f8c3379667)
+
+From d4d8abb39eb02c555f062b1f83ffcfac999c582f Mon Sep 17 00:00:00 2001
+From: Bruno Haible <br...@clisp.org>
+Date: Fri, 5 May 2023 12:02:49 +0200
+Subject: [PATCH] dirfd: Fix bogus override (regression 2023-04-26).
+
+Reported by Bjarni Ingi Gislason <bjarn...@simnet.is> in
+<https://lists.gnu.org/archive/html/bug-gnulib/2023-05/msg00040.html>.
+
+* m4/dirfd.m4 (gl_FUNC_DIRFD): Fix mistake in last change.
+--- a/m4/dirfd.m4
++++ b/m4/dirfd.m4
+@@ -1,4 +1,4 @@
+-# serial 27   -*- Autoconf -*-
++# serial 28   -*- Autoconf -*-
+ 
+ dnl Find out how to get the file descriptor associated with an open DIR*.
+ 
+@@ -40,10 +40,6 @@ AC_DEFUN([gl_FUNC_DIRFD],
+     HAVE_DIRFD=0
+   else
+     HAVE_DIRFD=1
+-    dnl Replace only if the system declares dirfd already.
+-    if test $ac_cv_have_decl_dirfd = yes; then
+-      REPLACE_DIRFD=1
+-    fi
+     dnl Replace dirfd() on native Windows, to support fdopendir().
+     AC_REQUIRE([gl_DIRENT_DIR])
+     if test $DIR_HAS_FD_MEMBER = 0; then
+--- a/configure
++++ b/configure
+@@ -31438,9 +31438,6 @@ printf "%s\n" "$gl_cv_func_dirfd_macro" >&6; }
+     HAVE_DIRFD=0
+   else
+     HAVE_DIRFD=1
+-        if test $ac_cv_have_decl_dirfd = yes; then
+-      REPLACE_DIRFD=1
+-    fi
+ 
+     if test $DIR_HAS_FD_MEMBER = 0; then
+       REPLACE_DIRFD=1
+From d1c3fbe7722662b449bae23130b644c726473fe3 Mon Sep 17 00:00:00 2001
+From: Jim Meyering <meyer...@meta.com>
+Date: Fri, 21 Jul 2023 17:42:23 -0700
+Subject: doc: mention the 100,000-entry ENOTSUP bug
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+* NEWS: document the fixed bug.
+* tests/100k-entries: New file, to test for this.
+Reported by Vincent Lefevre via Santiago Ruano Rincón in
+https://bugs.gnu.org/64773
+Fixed by gnulib commit v0.1-6175-gd4d8abb39e.
+---
+ tests/100k-entries | 15 +++++++++++++++
+ 2 files changed, 24 insertions(+)
+ create mode 100755 tests/100k-entries
+
+diff --git a/tests/100k-entries b/tests/100k-entries
+new file mode 100755
+index 0000000..382ab3c
+--- /dev/null
++++ b/tests/100k-entries
+@@ -0,0 +1,15 @@
++#!/bin/sh
++# This would make grep-3.11 fail with ENOTSUP and exit 2.
++. "${srcdir=.}/init.sh"; path_prepend_ ../src
++expensive_
++
++fail=0
++
++mkdir t || framework_failure_
++(cd t && seq 100000|xargs touch) || framework_failure_
++
++returns_ 1 grep -r x t > out 2> err
++compare /dev/null out || fail=1
++compare /dev/null err || fail=1
++
++Exit $fail
+-- 
+cgit v1.1
+
+From 180e8dd674ede48727c03647dd36c1f8c3379667 Mon Sep 17 00:00:00 2001
+From: Jim Meyering <meyer...@meta.com>
+Date: Sun, 20 Aug 2023 12:42:14 -0700
+Subject: tests: actually package and run the new 100k-entries test
+
+* tests/Makefile.am (TESTS): Include the new test file name,
+100k-entries.
+---
+ tests/Makefile.am | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/tests/Makefile.am b/tests/Makefile.am
+index d566445..94430a9 100644
+--- a/tests/Makefile.am
++++ b/tests/Makefile.am
+@@ -71,6 +71,7 @@ else
+ endif
+ 
+ TESTS =                                               \
++  100k-entries                                        \
+   backref                                     \
+   backref-alt                                 \
+   backref-multibyte-slow                      \
+-- 
+cgit v1.1
+diff --git a/tests/Makefile.in b/tests/Makefile.in
+index 8ae7bb4..0007f8d 100644
+--- a/tests/Makefile.in
++++ b/tests/Makefile.in
+@@ -1953,6 +1953,7 @@ XFAIL_TESTS = triple-backref glibc-infloop 
$(am__append_1)
+ # If you're using older glibc you can upgrade to glibc 2.28 or later,
+ # configure --with-included-regex, or ignore the test failure.
+ TESTS = \
++  100k-entries                                        \
+   backref                                     \
+   backref-alt                                 \
+   backref-multibyte-slow                      \
+@@ -2430,6 +2431,13 @@ recheck: all $(check_PROGRAMS)
+               am__force_recheck=am--force-recheck \
+               TEST_LOGS="$$log_list"; \
+       exit $$?
++100k-entries.log: 100k-entries
++      @p='100k-entries'; \
++      b='100k-entries'; \
++      $(am__check_pre) $(LOG_DRIVER) --test-name "$$f" \
++      --log-file $$b.log --trs-file $$b.trs \
++      $(am__common_driver_flags) $(AM_LOG_DRIVER_FLAGS) $(LOG_DRIVER_FLAGS) 
-- $(LOG_COMPILE) \
++      "$$tst" $(AM_TESTS_FD_REDIRECT)
+ backref.log: backref
+       @p='backref'; \
+       b='backref'; \

diff --git a/sys-apps/grep/grep-3.11-r1.ebuild 
b/sys-apps/grep/grep-3.11-r1.ebuild
new file mode 100644
index 000000000000..4341f860771e
--- /dev/null
+++ b/sys-apps/grep/grep-3.11-r1.ebuild
@@ -0,0 +1,122 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/grep.asc
+inherit flag-o-matic verify-sig
+
+DESCRIPTION="GNU regular expression matcher"
+HOMEPAGE="https://www.gnu.org/software/grep/";
+
+if [[ ${PV} == *_p* ]] ; then
+       # Subscribe to the 'platform-testers' ML to find these.
+       # Useful to test on our especially more niche arches and report issues 
upstream.
+       MY_COMMIT="19-2ea9"
+       MY_P=${PN}-$(ver_cut 1-2).${MY_COMMIT}
+       SRC_URI="https://meyering.net/${PN}/${MY_P}.tar.xz";
+       SRC_URI+=" verify-sig? ( https://meyering.net/${PN}/${MY_P}.tar.xz.sig 
)"
+       S="${WORKDIR}"/${MY_P}
+else
+       SRC_URI="mirror://gnu/${PN}/${P}.tar.xz"
+       SRC_URI+=" verify-sig? ( mirror://gnu/${PN}/${P}.tar.xz.sig )"
+       KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~ia64 ~loong ~m68k ~mips ~ppc 
~ppc64 ~riscv ~s390 ~sparc ~x86 ~amd64-linux ~x86-linux ~arm64-macos ~ppc-macos 
~x64-macos ~x64-solaris"
+fi
+
+LICENSE="GPL-3+"
+SLOT="0"
+IUSE="+egrep-fgrep nls pcre static"
+
+# We lack dev-libs/libsigsegv[static-libs] for now
+REQUIRED_USE="static? ( !sparc )"
+
+LIB_DEPEND="
+       pcre? ( >=dev-libs/libpcre2-10.42-r1[static-libs(+)] )
+       sparc? ( dev-libs/libsigsegv )
+"
+RDEPEND="
+       !static? ( ${LIB_DEPEND//\[static-libs(+)]} )
+       nls? ( virtual/libintl )
+       virtual/libiconv
+"
+DEPEND="
+       ${RDEPEND}
+       static? ( ${LIB_DEPEND} )
+"
+BDEPEND="
+       virtual/pkgconfig
+       nls? ( sys-devel/gettext )
+       verify-sig? ( sec-keys/openpgp-keys-grep )
+"
+
+DOCS=( AUTHORS ChangeLog NEWS README THANKS TODO )
+
+QA_CONFIG_IMPL_DECL_SKIP=(
+       # Either gnulib FPs or fixed in newer autoconf, not worth autoreconf 
here for now?
+       MIN
+       alignof
+       static_assert
+)
+
+PATCHES=(
+       "${FILESDIR}"/${P}-100k-files-dir.patch
+)
+
+src_prepare() {
+       default
+
+       # bug #523898
+       sed -i \
+               -e "s:@SHELL@:${EPREFIX}/bin/sh:g" \
+               -e "s:@grep@:${EPREFIX}/bin/grep:" \
+               src/egrep.sh || die
+
+       # Drop when grep-3.11-100k-files-dir.patch is gone
+       touch aclocal.m4 config.hin configure 
{,doc/,gnulib-tests/,lib/,src/,tests/}Makefile.in || die
+}
+
+src_configure() {
+       use static && append-ldflags -static
+
+       # We used to turn this off unconditionally (bug #673524) but we now
+       # allow it for cases where libsigsegv is better for userspace handling
+       # of stack overflows.
+       # In particular, it's necessary for sparc: bug #768135
+       export ac_cv_libsigsegv=$(usex sparc)
+
+       local myeconfargs=(
+               --bindir="${EPREFIX}"/bin
+               $(use_enable nls)
+               $(use_enable pcre perl-regexp)
+       )
+
+       econf "${myeconfargs[@]}"
+}
+
+src_install() {
+       default
+
+       if use egrep-fgrep ; then
+               # Delete the upstream wrapper variants which warn on 
egrep+fgrep use
+               rm "${ED}"/bin/{egrep,fgrep} || die
+
+               into /
+               # Install egrep, fgrep which don't warn.
+               #
+               # We do this by default to avoid breakage in old scripts
+               # and such which don't expect unexpected output on stderr,
+               # we've had examples of builds failing because foo-config
+               # starts returning a warning.
+               #
+               # 
https://lists.gnu.org/archive/html/bug-grep/2022-10/msg00000.html
+               newbin - egrep <<-EOF
+               #!/usr/bin/env sh
+               exec "${EPREFIX}/bin/grep" -E "\$@"
+               EOF
+
+               newbin - fgrep <<-EOF
+               #!/usr/bin/env sh
+               exec "${EPREFIX}/bin/grep" -F "\$@"
+               EOF
+       fi
+}

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