[PR PATCH] chroot-grep: patch out problematic warnings in egrep and fgrep.

[icp1994 <icp1994@users.noreply.github.com>]

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There is a new pull request by icp1994 against master on the void-packages repository

https://github.com/icp1994/void-packages egrep
https://github.com/void-linux/void-packages/pull/41593

chroot-grep: patch out problematic warnings in egrep and fgrep.
This mirrors the changes from grep in https://github.com/void-linux/void-packages/commit/ef5ffe4d696b31041c272be92e912fb454c075ac into chroot-grep.

A patch file from https://github.com/void-linux/void-packages/pull/41593.patch is attached

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From 6aab3a8f07f8dcc4a12bcacc07ec49720e01d961 Mon Sep 17 00:00:00 2001
From: icp <pangolin@vivaldi.net>
Date: Thu, 12 Jan 2023 01:37:31 +0530
Subject: [PATCH] chroot-grep: patch out problematic warnings in egrep and
 fgrep.

---
 .../chroot-grep/patches/efgrep-remove-warning.patch    | 10 ++++++++++
 srcpkgs/chroot-grep/template                           |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)
 create mode 100644 srcpkgs/chroot-grep/patches/efgrep-remove-warning.patch

diff --git a/srcpkgs/chroot-grep/patches/efgrep-remove-warning.patch b/srcpkgs/chroot-grep/patches/efgrep-remove-warning.patch
new file mode 100644
index 000000000000..6371301688f0
--- /dev/null
+++ b/srcpkgs/chroot-grep/patches/efgrep-remove-warning.patch
@@ -0,0 +1,10 @@
+since 3.8, egrep and fgrep print a warning which can cause many issues with
+programs not expecting this behaviour
+
+--- a/src/egrep.sh
++++ b/src/egrep.sh
+@@ -1,4 +1,3 @@
+ #!@SHELL@
+ cmd=${0##*/}
+-echo "$cmd: warning: $cmd is obsolescent; using @grep@ @option@" >&2
+ exec @grep@ @option@ "$@"
diff --git a/srcpkgs/chroot-grep/template b/srcpkgs/chroot-grep/template
index 6a99116d4b5d..7b68ca9348b8 100644
--- a/srcpkgs/chroot-grep/template
+++ b/srcpkgs/chroot-grep/template
@@ -1,7 +1,7 @@
 # Template file for 'chroot-grep'
 pkgname=chroot-grep
 version=3.8
-revision=1
+revision=2
 bootstrap=yes
 build_style=gnu-configure
 configure_args="--disable-perl-regexp --disable-nls ac_cv_path_GREP=grep"