Added version info to shell application

Author: utelle

readme.md

@@ -14,6 +14,7 @@ The code was mainly developed under Windows, but was tested under Linux as well.
 
 * 1.1.2 - *December 2020*
   - Fixed a bug on cipher configuration via PRAGMA commands or URI parameters
+  - Added SQLite3 Multple Ciphers version info to shell application
 * 1.1.1 - *December 2020*
   - Fixed a bug on removing encryption from an encrypted database
 * 1.1.0 - *December 2020*

scripts/patchshell.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+# Generate patched shell.c from SQLite3 amalgamation distribution and write it to stdout.
+# Usage: ./script/patchshell.sh shell.c >shellpatched.c
+
+INPUT="$([ "$#" -eq 1 ] && echo "$1" || echo "shell.c")"
+if ! [ -f "$INPUT" ]; then
+  echo "Usage: $0 <SQLITE3_SHELL_AMALGAMATION>" >&2
+  echo " e.g.: $0 shell.c" >&2
+  exit 1
+fi
+
+die() {
+    echo "[-]" "$@" >&2
+    exit 2
+}
+
+sed -e '/int nHistory;/{n;N;N;N;N;d}' "$INPUT" \
+    | sed '/int nHistory;/a \      extern char* sqlite3mc_version();\n      printf(\n        "SQLite version \%s \%.19s" \/\*extra-version-info\*\/\n        " (\%s)\\n" \/\*SQLite3-Multiple-Ciphers-version-info\*\/\n        "Enter \\".help\\" for usage hints.\\n\",\n        sqlite3_libversion(), sqlite3_sourceid(), sqlite3mc_version()\n      );'

src/shell.c

@@ -21323,10 +21323,12 @@ int SQLITE_CDECL wmain(int argc, wchar_t **wargv){
       char *zHome;
       char *zHistory;
       int nHistory;
+      extern char* sqlite3mc_version();
       printf(
-        "SQLite version %s %.19s\n" /*extra-version-info*/
+        "SQLite version %s %.19s" /*extra-version-info*/
+        " (%s)\n" /*SQLite3-Multiple-Ciphers-version-info*/
         "Enter \".help\" for usage hints.\n",
-        sqlite3_libversion(), sqlite3_sourceid()
+        sqlite3_libversion(), sqlite3_sourceid(), sqlite3mc_version()
       );
       if( warnInmemoryDb ){
         printf("Connected to a ");