Add missing SYSTEMQUOTEs

Some popen() calls were missing SYSTEMQUOTEs, which caused initdb and
pg_upgrade to fail on Windows, if the installation path contained both
spaces and @ signs.

Patch by Nikhil Deshpande. Backpatch to all supported versions.

contrib/pg_upgrade/check.c

@@ -810,7 +810,7 @@ get_bin_version(ClusterInfo *cluster)
 	FILE	   *output;
 	int			pre_dot, post_dot;
 
-	snprintf(cmd, sizeof(cmd), "\"%s/pg_ctl\" --version", cluster->bindir);
+	snprintf(cmd, sizeof(cmd), SYSTEMQUOTE "\"%s/pg_ctl\" --version" SYSTEMQUOTE, cluster->bindir);
 
 	if ((output = popen(cmd, "r")) == NULL)
 		pg_log(PG_FATAL, "Could not get pg_ctl version data: %s\n",

src/bin/initdb/initdb.c

@@ -1192,7 +1192,7 @@ bootstrap_template1(void)
 	unsetenv("PGCLIENTENCODING");
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" --boot -x1 %s %s",
+			 SYSTEMQUOTE "\"%s\" --boot -x1 %s %s" SYSTEMQUOTE,
 			 backend_exec, boot_options, talkargs);
 
 	PG_CMD_OPEN;
@@ -1231,7 +1231,7 @@ setup_auth(void)
 	fflush(stdout);
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1309,7 +1309,7 @@ get_set_pwd(void)
 	fflush(stdout);
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1409,7 +1409,7 @@ setup_depend(void)
 	fflush(stdout);
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1442,7 +1442,7 @@ setup_sysviews(void)
 	 * We use -j here to avoid backslashing stuff in system_views.sql
 	 */
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s -j template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s -j template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1473,7 +1473,7 @@ setup_description(void)
 	fflush(stdout);
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1580,7 +1580,7 @@ setup_collation(void)
 
 #if defined(HAVE_LOCALE_T) && !defined(WIN32)
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1719,7 +1719,7 @@ setup_conversion(void)
 	fflush(stdout);
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1757,7 +1757,7 @@ setup_dictionary(void)
 	 * We use -j here to avoid backslashing stuff
 	 */
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s -j template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s -j template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1808,7 +1808,7 @@ setup_privileges(void)
 	fflush(stdout);
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1871,7 +1871,7 @@ setup_schema(void)
 	 * We use -j here to avoid backslashing stuff in information_schema.sql
 	 */
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s -j template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s -j template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1888,7 +1888,7 @@ setup_schema(void)
 	PG_CMD_CLOSE;
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1922,7 +1922,7 @@ load_plpgsql(void)
 	fflush(stdout);
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -1947,7 +1947,7 @@ vacuum_db(void)
 	fflush(stdout);
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -2003,7 +2003,7 @@ make_template0(void)
 	fflush(stdout);
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);
 
@@ -2035,7 +2035,7 @@ make_postgres(void)
 	fflush(stdout);
 
 	snprintf(cmd, sizeof(cmd),
-			 "\"%s\" %s template1 >%s",
+			 SYSTEMQUOTE "\"%s\" %s template1 >%s" SYSTEMQUOTE,
 			 backend_exec, backend_options,
 			 DEVNULL);