Added coloring aliases to fgrep egrep and grep

color_grep.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+/usr/libexec/grepconf.sh -c || return
+
+alias grep='grep --color=auto' 2>/dev/null
+alias egrep='egrep --color=auto' 2>/dev/null
+alias fgrep='fgrep --color=auto' 2>/dev/null

colorgrep.csh

@@ -0,0 +1,11 @@
+
+# color-grep initialization
+
+/usr/libexec/grepconf.sh -c
+if ( $status == 1 ) then
+    exit
+endif
+
+alias grep 'grep --color=auto'
+alias egrep 'egrep --color=auto'
+alias fgrep 'fgrep --color=auto'

grep.spec

@@ -1,10 +1,13 @@
 Name:    grep
 Version: 3.7
-Release: 5
+Release: 6
 Summary: A string search utility
 License: GPLv3+
 URL: http://www.gnu.org/software/grep/
 Source0: https://ftp.gnu.org/gnu/grep/grep-%{version}.tar.xz
+Source1: color_grep.sh
+Source2: colorgrep.csh
+Source3: grepconf.sh
 
 Patch1: backport-grep-avoid-sticky-problem-with-f-f.patch
 Patch2: backport-grep-s-does-not-suppress-binary-file-matches.patch
@@ -34,6 +37,9 @@ CPPFLAGS="-I%{_includedir}/pcre2" CFLAGS="$RPM_OPT_FLAGS -fsigned-char"
 rm -f $RPM_BUILD_ROOT%{_infodir}/dir
 mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/profile.d
 
+install -pm 644 %{SOURCE1} %{SOURCE2} $RPM_BUILD_ROOT%{_sysconfdir}/profile.d
+install -Dpm 755 %{SOURCE3} $RPM_BUILD_ROOT%{_libexecdir}/grepconf.sh
+
 %pre
 %preun
 %post
@@ -44,14 +50,20 @@ make check
 
 %files
 %{_datadir}/locale/*
+%config(noreplace) %{_sysconfdir}/profile.d/color_grep.sh
+%config(noreplace) %{_sysconfdir}/profile.d/colorgrep.csh
 %doc NEWS README THANKS TODO
 %license COPYING AUTHORS
 %{_bindir}/*grep
+%{_libexecdir}/grepconf.sh
 %{_infodir}/grep.info.gz
 %{_mandir}/man1/*grep.1.gz
 
 
 %changelog
+* Fri Jul 15 2022 panxiaohe <panxh.life@foxmail.com> - 3.7-6
+- Added coloring aliases to fgrep egrep and grep
+
 * Tue Jun 28 2022 panxiaohe <panxh.life@foxmail.com> - 3.7-5
 - grep: Don't limit jitstack_max to INT_MAX
 - grep: speed up, fix bad-UTF8 check with -P

grepconf.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+case "$1" in
+    -c | --interactive-color)
+        ! grep -qsi "^COLOR.*none" /etc/GREP_COLORS
+        ;;
+    *)
+        echo >&2 "Invalid / no option passed, so far only -c | --interactive-color is supported."
+        exit 1
+        ;;
+esac