Change exit code for --help and --version.

bwtakacy · bwtakacy · commit 70eac9ee067b · 2015-11-26T21:51:09.000+09:00
Previously, it is 1 but the reason is not clear.
It seems to be a historical one because pg_reorg
has the same exit codes.
diff --git a/bin/pgut/pgut-fe.c b/bin/pgut/pgut-fe.c
@@ -754,12 +754,12 @@ pgut_getopt(int argc, char **argv, pgut_option options[])
 		if (strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-?") == 0)
 		{
 			help(true);
-			exit(1);
+			exit(0);
 		}
 		if (strcmp(argv[1], "--version") == 0 || strcmp(argv[1], "-V") == 0)
 		{
 			printf("%s %s\n", PROGRAM_NAME, PROGRAM_VERSION);
-			exit(1);
+			exit(0);
 		}
 		if (strcmp(argv[1], "--configuration") == 0)
 		{

Original file line number	Diff line number	Diff line change
`@@ -754,12 +754,12 @@ pgut_getopt(int argc, char **argv, pgut_option options[])`
`754`	`754`	`if (strcmp(argv[1], "--help") == 0 \|\| strcmp(argv[1], "-?") == 0)`
`755`	`755`	`{`
`756`	`756`	`help(true);`
`757`		`- exit(1);`
	`757`	`+ exit(0);`
`758`	`758`	`}`
`759`	`759`	`if (strcmp(argv[1], "--version") == 0 \|\| strcmp(argv[1], "-V") == 0)`
`760`	`760`	`{`
`761`	`761`	`printf("%s %s\n", PROGRAM_NAME, PROGRAM_VERSION);`
`762`		`- exit(1);`
	`762`	`+ exit(0);`
`763`	`763`	`}`
`764`	`764`	`if (strcmp(argv[1], "--configuration") == 0)`
`765`	`765`	`{`