Add linenoise-ng as alternative to readline

client/deps/get_linenoise.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+
+# Can be used if Readline is unavailable or explicitely disabled
+# Note that ConvertUTF.cpp is under redis-only license therefore
+# if you are maintainer, think twice before including it
+
+version=1.0.1
+mkdir -p linenoise
+ZP=linenoise-ng-$version
+if [ ! -f "${ZP}.zip" ]; then
+    wget -O "${ZP}.zip" https://github.com/arangodb/linenoise-ng/archive/v$version.zip
+fi
+unzip -o -j "${ZP}.zip" $ZP/src/ConvertUTF.cpp $ZP/src/ConvertUTF.h $ZP/LICENSE $ZP/src/linenoise.cpp $ZP/include/linenoise.h $ZP/README.md $ZP/src/wcwidth.cpp -d linenoise
+#echo "Please do make style"
+
+echo "Generating linenoise.cmake..."
+cat > linenoise.cmake << EOF
+add_library(pm3rrg_rdv4_linenoise STATIC
+        linenoise/ConvertUTF.cpp
+        linenoise/linenoise.cpp
+        linenoise/wcwidth.cpp
+)
+
+target_compile_definitions(pm3rrg_rdv4_linenoise PRIVATE NDEBUG)
+target_include_directories(pm3rrg_rdv4_linenoise INTERFACE linenoise)
+target_compile_options(pm3rrg_rdv4_linenoise PRIVATE -Wall -Werror -O3)
+set_property(TARGET pm3rrg_rdv4_linenoise PROPERTY POSITION_INDEPENDENT_CODE ON)
+EOF
+
+cd linenoise
+echo "Generating linenoise/Makefile..."
+cat > Makefile << EOF
+MYSRCPATHS =
+MYINCLUDES =
+MYCXXFLAGS = -DNDEBUG -std=c++11 -fomit-frame-pointer
+MYDEFS =
+MYCXXSRCS = ConvertUTF.cpp linenoise.cpp wcwidth.cpp
+
+LIB_A = liblinenoise.a
+
+include ../../../Makefile.host
+EOF
+
+# Patch to get proper autocompletion of subcommands
+patch << EOF
+diff -Naur linenoise.cpp linenoise.cpp
++++ linenoise.cpp 2017-03-06 17:01:33.000000000 +0100
+--- linenoise.cpp 2022-01-29 10:37:19.656202922 +0100
+@@ -1956,7 +1956,7 @@
+   // character and
+   // extract a copy to parse.  we also handle the case where tab is hit while
+   // not at end-of-line.
+-  int startIndex = pos;
++  int startIndex = 0;
+   while (--startIndex >= 0) {
+     if (strchr(breakChars, buf32[startIndex])) {
+       break;
+EOF