shell.c.in: on non-Windows platforms, check for $XDG_CONFIG_HOME/sqlite3/sqliterc before ~/.sqliterc, per request in [forum:7a16582b1e403c81|forum post 7a16582b1e403c81].

FossilOrigin-Name: 49c6e438a83b9ff40ebadd3dfd5f58e6eea053575e15335909f5ee59a6dba82c

1 files changed, 39 insertions, 2 deletions

diff --git a/src/shell.c.in b/src/shell.c.in
index 635361aa9..9d4689bd9 100644
--- a/src/shell.c.in
+++ b/src/shell.c.in
@@ -11252,8 +11252,42 @@ static char *find_home_dir(int clearFlag){
 }
 
 /*
+** On non-Windows platforms, look for $XDG_CONFIG_HOME.
+** If ${XDG_CONFIG_HOME}/sqlite3/sqliterc is found, return
+** the path to it, else return 0. The result is cached for
+** subsequent calls.
+*/
+static const char *find_xdg_config(void){
+#if defined(_WIN32) || defined(WIN32) || defined(_WIN32_WCE) \
+     || defined(__RTP__) || defined(_WRS_KERNEL)
+  return 0;
+#else
+  static int alreadyTried = 0;
+  static char *zConfig = 0;
+  const char *zXdgHome;
+
+  if( alreadyTried!=0 ){
+    return zConfig;
+  }
+  alreadyTried = 1;
+  zXdgHome = getenv("XDG_CONFIG_HOME");
+  if( zXdgHome==0 ){
+    return 0;
+  }
+  zConfig = sqlite3_mprintf("%s/sqlite3/sqliterc", zXdgHome);
+  shell_check_oom(zConfig);
+  if( access(zConfig,0)!=0 ){
+    sqlite3_free(zConfig);
+    zConfig = 0;
+  }
+  return zConfig;
+#endif
+}
+
+/*
 ** Read input from the file given by sqliterc_override.  Or if that
-** parameter is NULL, take input from ~/.sqliterc
+** parameter is NULL, take input from the first of find_xdg_config()
+** or ~/.sqliterc which is found.
 **
 ** Returns the number of errors.
 */
@@ -11267,7 +11301,10 @@ static void process_sqliterc(
   FILE *inSaved = p->in;
   int savedLineno = p->lineno;
 
-  if (sqliterc == NULL) {
+  if( sqliterc == NULL ){
+    sqliterc = find_xdg_config();
+  }
+  if( sqliterc == NULL ){
     home_dir = find_home_dir(0);
     if( home_dir==0 ){
       raw_printf(stderr, "-- warning: cannot find home directory;"