At 2014-09-24 14:03:41 +0300, hlinnakan...@vmware.com wrote:
>
> Ah, I frequently run into that too; but with pg_resetxlog.

Well, that's no fun. Patch attached.

-- Abhijit
>From 23fc4d90d0353e1c6d65ca5715fc0338199f01cf Mon Sep 17 00:00:00 2001
From: Abhijit Menon-Sen <a...@2ndquadrant.com>
Date: Wed, 24 Sep 2014 16:48:36 +0530
Subject: Make pg_resetxlog also accept -D datadir

---
 src/bin/pg_resetxlog/pg_resetxlog.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/bin/pg_resetxlog/pg_resetxlog.c b/src/bin/pg_resetxlog/pg_resetxlog.c
index 302d005..3b43aff 100644
--- a/src/bin/pg_resetxlog/pg_resetxlog.c
+++ b/src/bin/pg_resetxlog/pg_resetxlog.c
@@ -89,7 +89,7 @@ main(int argc, char *argv[])
 	MultiXactId set_oldestmxid = 0;
 	char	   *endptr;
 	char	   *endptr2;
-	char	   *DataDir;
+	char	   *DataDir = NULL;
 	int			fd;
 
 	set_pglocale_pgservice(argv[0], PG_TEXTDOMAIN("pg_resetxlog"));
@@ -111,10 +111,14 @@ main(int argc, char *argv[])
 	}
 
 
-	while ((c = getopt(argc, argv, "fl:m:no:O:x:e:")) != -1)
+	while ((c = getopt(argc, argv, "D:fl:m:no:O:x:e:")) != -1)
 	{
 		switch (c)
 		{
+			case 'D':
+				DataDir = optarg;
+				break;
+
 			case 'f':
 				force = true;
 				break;
@@ -233,7 +237,7 @@ main(int argc, char *argv[])
 		}
 	}
 
-	if (optind == argc)
+	if (DataDir == NULL && optind == argc)
 	{
 		fprintf(stderr, _("%s: no data directory specified\n"), progname);
 		fprintf(stderr, _("Try \"%s --help\" for more information.\n"), progname);
@@ -257,7 +261,8 @@ main(int argc, char *argv[])
 	}
 #endif
 
-	DataDir = argv[optind];
+	if (DataDir == NULL)
+		DataDir = argv[optind];
 
 	if (chdir(DataDir) < 0)
 	{
-- 
1.9.1

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