epm-repolist: add regexp support

bin/epm-repolist

 #!/bin/sh
 #
-# Copyright (C) 2012, 2016, 2019, 2020, 2021  Etersoft
-# Copyright (C) 2012, 2016, 2019, 2020, 2021  Vitaly Lipatov <lav@etersoft.ru>
+# Copyright (C) 2012, 2016, 2019, 2020, 2021, 2025  Etersoft
+# Copyright (C) 2012, 2016, 2019, 2020, 2021, 2025  Vitaly Lipatov <lav@etersoft.ru>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -21,23 +21,28 @@ load_helper epm-sh-altlinux
 
 __print_apt_sources_list()
 {
+    local regexp="$1"
+    shift
     local i
     for i in $@ ; do
         test -r "$i" || continue
         grep -v -- "^.*#" $i
-    done | grep -v -- "^ *\$"
+    done | grep -v -- "^ *\$" | grep -E "$regexp"
 }
 
 __print_apt_sources_list_full()
 {
+    local regexp="$1"
+    shift
     local i
     for i in $@ ; do
         test -r "$i" || continue
         grep -- "^[[:space:]]*#*[[:space:]]*rpm" $i
-    done | grep -v -- "^ *\$"
+    done | grep -v -- "^ *\$" | grep -E "$regexp"
 }
 
 # TODO: remove
+# print lists with active values
 __print_apt_sources_list_list()
 {
     local i
@@ -56,21 +61,25 @@ __info_cyan()
 
 __print_apt_sources_list_verbose()
 {
+    local regexp="$1"
+    shift
     local i
     for i in $@ ; do
         test -r "$i" || continue
         grep -v -- "^.*#" $i | grep -v -- "^ *\$" | grep -q . && __info_cyan "$i:" || continue
-        grep -v -- "^.*#" $i | grep -v -- "^ *\$" | sed -e 's|^|    |'
+        grep -v -- "^.*#" $i | grep -v -- "^ *\$" | sed -e 's|^|    |' | grep -E --color "$regexp"
     done
 }
 
 __print_apt_sources_list_verbose_full()
 {
+    local regexp="$1"
+    shift
     local i
     for i in $@ ; do
         test -r "$i" || continue
         grep -- "^[[:space:]]*#*[[:space:]]*rpm" $i | grep -v -- "^ *\$" | grep -q . && echo && __info_cyan "$i:" || continue
-        grep -- "^[[:space:]]*#*[[:space:]]*rpm" $i | grep -v -- "^ *\$" | sed -e 's|^|    |' -e "s|\(.*#.*\)|$(set_color $WHITE)\1$(restore_color)|"
+        grep -- "^[[:space:]]*#*[[:space:]]*rpm" $i | grep -v -- "^ *\$" | sed -e 's|^|    |' -e "s|\(.*#.*\)|$(set_color $WHITE)\1$(restore_color)|" | grep -E --color "$regexp"
     done
 }
 
@@ -79,18 +88,19 @@ print_apt_sources_list()
     local LISTS='/etc/apt/sources.list /etc/apt/sources.list.d/*.list'
 
     if [ "$1" = "-a" ] || [ "$1" = "--all" ] ; then
+        shift
         if [ -n "$quiet" ] ; then
-            __print_apt_sources_list_full $LISTS
+            __print_apt_sources_list_full "$*" $LISTS
         else
-            __print_apt_sources_list_verbose_full $LISTS
+            __print_apt_sources_list_verbose_full "$*" $LISTS
         fi
         return
     fi
 
     if [ -n "$quiet" ] ; then
-        __print_apt_sources_list $LISTS
+        __print_apt_sources_list "$*" $LISTS
     else
-        __print_apt_sources_list_verbose $LISTS
+        __print_apt_sources_list_verbose "$*" $LISTS
     fi
 }