Fix for initgtm for share folder when build is not installed

When initializing GTM with initgtm, make check process was using
the install folder of build when it is necessary to check for the
folder where installation is located.
This provides a fix for bug 3528057.

1 files changed, 30 insertions, 8 deletions

diff --git a/src/bin/initgtm/initgtm.c b/src/bin/initgtm/initgtm.c
index 784a2ab37c..df6a1b63b8 100644
--- a/src/bin/initgtm/initgtm.c
+++ b/src/bin/initgtm/initgtm.c
@@ -69,6 +69,7 @@ static char *gtm_host = "localhost";
 
 /* path to 'initgtm' binary directory */
 static char bin_path[MAXPGPATH];
+static char backend_exec[MAXPGPATH];
 
 static void *pg_malloc(size_t size);
 static char *xstrdup(const char *s);
@@ -803,11 +804,10 @@ main(int argc, char *argv[])
 		{NULL, 0, NULL, 0}
 	};
 
-	int			c;
+	int			c, ret;
 	int			option_index;
 	char	   *effective_user;
 	char		bin_dir[MAXPGPATH];
-	char		full_path[MAXPGPATH];
 	char	   *pg_data_native;
 	bool		node_type_specified = false;
 
@@ -955,19 +955,40 @@ main(int argc, char *argv[])
 	}
 #endif
 
-	/* Find full path name */
-	if (find_my_exec(argv[0], full_path) < 0)
-		strlcpy(full_path, progname, sizeof(full_path));
+	/* Like for initdb, check if a valid version of Postgres is running */
+	if ((ret = find_other_exec(argv[0], "postgres", PG_BACKEND_VERSIONSTR,
+							   backend_exec)) < 0)
+	{
+		char        full_path[MAXPGPATH];
+
+		if (find_my_exec(argv[0], full_path) < 0)
+			strlcpy(full_path, progname, sizeof(full_path));
+
+		if (ret == -1)
+			fprintf(stderr,
+					_("The program \"postgres\" is needed by %s "
+					  "but was not found in the\n"
+					  "same directory as \"%s\".\n"
+					  "Check your installation.\n"),
+					progname, full_path);
+		else
+			fprintf(stderr,
+					_("The program \"postgres\" was found by \"%s\"\n"
+					  "but was not the same version as %s.\n"
+					  "Check your installation.\n"),
+					full_path, progname);
+		exit(1);
+	}
 
 	/* store binary directory */
-	strcpy(bin_path, full_path);
+	strcpy(bin_path, backend_exec);
 	*last_dir_separator(bin_path) = '\0';
 	canonicalize_path(bin_path);
 
 	if (!share_path)
 	{
 		share_path = pg_malloc(MAXPGPATH);
-		get_share_path(bin_path, share_path);
+		get_share_path(backend_exec, share_path);
 	}
 	else if (!is_absolute_path(share_path))
 	{
@@ -978,7 +999,8 @@ main(int argc, char *argv[])
 	canonicalize_path(share_path);
 
 	effective_user = get_id();
-	/* TODO: separate the case of GTM and GTM-Proxy depending on options specified */
+
+	/* Take into account GTM and GTM-proxy cases */
 	if (is_gtm)
 		set_input(&conf_file, "gtm.conf.sample");
 	else