Add PostgreSQL home page to --help output

Per emerging standard in GNU programs and elsewhere.  Autoconf already
has support for specifying a home page, so we can just that.

Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://www.postgresql.org/message-id/flat/8d389c5f-7fb5-8e48-9a4a-68cec44786fa%402ndquadrant.com

32 files changed, 43 insertions, 9 deletions

diff --git a/src/Makefile.global.in b/src/Makefile.global.in
index e4db3e80af3..b2434437701 100644
--- a/src/Makefile.global.in
+++ b/src/Makefile.global.in
@@ -40,6 +40,8 @@ VERSION = @PACKAGE_VERSION@
 MAJORVERSION = @PG_MAJORVERSION@
 VERSION_NUM = @PG_VERSION_NUM@
 
+PACKAGE_URL = @PACKAGE_URL@
+
 # Set top_srcdir, srcdir, and VPATH.
 ifdef PGXS
 top_srcdir = $(top_builddir)
diff --git a/src/Makefile.shlib b/src/Makefile.shlib
index 526361f31bb..29a7f6d38c8 100644
--- a/src/Makefile.shlib
+++ b/src/Makefile.shlib
@@ -389,7 +389,7 @@ endif # PORTNAME == cygwin || PORTNAME == win32
 %.pc: $(MAKEFILE_LIST)
 	echo 'Name: lib$(NAME)' >$@
 	echo 'Description: PostgreSQL lib$(NAME) library' >>$@
-	echo 'Url: http://www.postgresql.org/' >>$@
+	echo 'Url: $(PACKAGE_URL)' >>$@
 	echo 'Version: $(VERSION)' >>$@
 	echo 'Requires: ' >>$@
 	echo 'Requires.private: $(PKG_CONFIG_REQUIRES_PRIVATE)' >>$@
diff --git a/src/backend/main/main.c b/src/backend/main/main.c
index 1bb4ae03b8a..da3dae9e250 100644
--- a/src/backend/main/main.c
+++ b/src/backend/main/main.c
@@ -360,6 +360,7 @@ help(const char *progname)
 			 "configuration settings and how to set them on the command line or in\n"
 			 "the configuration file.\n\n"
 			 "Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 
diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
index 12dd83c230d..a6577486ce9 100644
--- a/src/bin/initdb/initdb.c
+++ b/src/bin/initdb/initdb.c
@@ -2323,6 +2323,7 @@ usage(const char *progname)
 	printf(_("\nIf the data directory is not specified, the environment variable PGDATA\n"
 			 "is used.\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 static void
diff --git a/src/bin/pg_archivecleanup/pg_archivecleanup.c b/src/bin/pg_archivecleanup/pg_archivecleanup.c
index aef99eba30e..e454bae767d 100644
--- a/src/bin/pg_archivecleanup/pg_archivecleanup.c
+++ b/src/bin/pg_archivecleanup/pg_archivecleanup.c
@@ -270,6 +270,7 @@ usage(void)
 			 "e.g.\n"
 			 "  pg_archivecleanup /mnt/server/archiverdir 000000010000000000000010.00000020.backup\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 /*------------ MAIN ----------------------------------------*/
diff --git a/src/bin/pg_basebackup/pg_basebackup.c b/src/bin/pg_basebackup/pg_basebackup.c
index b75b6d4da25..48bd838803b 100644
--- a/src/bin/pg_basebackup/pg_basebackup.c
+++ b/src/bin/pg_basebackup/pg_basebackup.c
@@ -397,6 +397,7 @@ usage(void)
 	printf(_("  -w, --no-password      never prompt for password\n"));
 	printf(_("  -W, --password         force password prompt (should happen automatically)\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 
diff --git a/src/bin/pg_basebackup/pg_receivewal.c b/src/bin/pg_basebackup/pg_receivewal.c
index 808078e6b73..cd05f5fede1 100644
--- a/src/bin/pg_basebackup/pg_receivewal.c
+++ b/src/bin/pg_basebackup/pg_receivewal.c
@@ -103,6 +103,7 @@ usage(void)
 	printf(_("      --create-slot      create a new replication slot (for the slot's name see --slot)\n"));
 	printf(_("      --drop-slot        drop the replication slot (for the slot's name see --slot)\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 static bool
diff --git a/src/bin/pg_basebackup/pg_recvlogical.c b/src/bin/pg_basebackup/pg_recvlogical.c
index ef2d806fb39..0da32771184 100644
--- a/src/bin/pg_basebackup/pg_recvlogical.c
+++ b/src/bin/pg_basebackup/pg_recvlogical.c
@@ -104,6 +104,7 @@ usage(void)
 	printf(_("  -w, --no-password      never prompt for password\n"));
 	printf(_("  -W, --password         force password prompt (should happen automatically)\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 /*
diff --git a/src/bin/pg_checksums/pg_checksums.c b/src/bin/pg_checksums/pg_checksums.c
index b4578660484..9aa9f756f66 100644
--- a/src/bin/pg_checksums/pg_checksums.c
+++ b/src/bin/pg_checksums/pg_checksums.c
@@ -89,6 +89,7 @@ usage(void)
 	printf(_("\nIf no data directory (DATADIR) is specified, "
 			 "the environment variable PGDATA\nis used.\n\n"));
 	printf(_("Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 /*
diff --git a/src/bin/pg_config/pg_config.c b/src/bin/pg_config/pg_config.c
index 9ff56e2fca4..f5410f64187 100644
--- a/src/bin/pg_config/pg_config.c
+++ b/src/bin/pg_config/pg_config.c
@@ -103,6 +103,7 @@ help(void)
 	printf(_("  -?, --help            show this help, then exit\n"));
 	printf(_("\nWith no arguments, all known items are shown.\n\n"));
 	printf(_("Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 static void
diff --git a/src/bin/pg_controldata/pg_controldata.c b/src/bin/pg_controldata/pg_controldata.c
index a53794b9e66..e73639df744 100644
--- a/src/bin/pg_controldata/pg_controldata.c
+++ b/src/bin/pg_controldata/pg_controldata.c
@@ -42,6 +42,7 @@ usage(const char *progname)
 	printf(_("\nIf no data directory (DATADIR) is specified, "
 			 "the environment variable PGDATA\nis used.\n\n"));
 	printf(_("Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 
diff --git a/src/bin/pg_ctl/pg_ctl.c b/src/bin/pg_ctl/pg_ctl.c
index 72f095fd0d6..f41084d2dba 100644
--- a/src/bin/pg_ctl/pg_ctl.c
+++ b/src/bin/pg_ctl/pg_ctl.c
@@ -2096,6 +2096,7 @@ do_help(void)
 #endif
 
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 
diff --git a/src/bin/pg_dump/pg_dump.c b/src/bin/pg_dump/pg_dump.c
index d368f00d1df..ef1539044fd 100644
--- a/src/bin/pg_dump/pg_dump.c
+++ b/src/bin/pg_dump/pg_dump.c
@@ -1048,6 +1048,7 @@ help(const char *progname)
 	printf(_("\nIf no database name is supplied, then the PGDATABASE environment\n"
 			 "variable value is used.\n\n"));
 	printf(_("Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 static void
diff --git a/src/bin/pg_dump/pg_dumpall.c b/src/bin/pg_dump/pg_dumpall.c
index de311b6ad10..0b25526d48f 100644
--- a/src/bin/pg_dump/pg_dumpall.c
+++ b/src/bin/pg_dump/pg_dumpall.c
@@ -671,6 +671,7 @@ help(void)
 	printf(_("\nIf -f/--file is not used, then the SQL script will be written to the standard\n"
 			 "output.\n\n"));
 	printf(_("Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 
diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
index 3749454b977..544ae3bc5cd 100644
--- a/src/bin/pg_dump/pg_restore.c
+++ b/src/bin/pg_dump/pg_restore.c
@@ -520,4 +520,5 @@ usage(const char *progname)
 			 "multiple times to select multiple objects.\n"));
 	printf(_("\nIf no input file name is supplied, then standard input is used.\n\n"));
 	printf(_("Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
diff --git a/src/bin/pg_resetwal/pg_resetwal.c b/src/bin/pg_resetwal/pg_resetwal.c
index 1f043c918fb..233441837f8 100644
--- a/src/bin/pg_resetwal/pg_resetwal.c
+++ b/src/bin/pg_resetwal/pg_resetwal.c
@@ -1224,4 +1224,5 @@ usage(void)
 	printf(_("      --wal-segsize=SIZE         size of WAL segments, in megabytes\n"));
 	printf(_("  -?, --help                     show this help, then exit\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
diff --git a/src/bin/pg_rewind/pg_rewind.c b/src/bin/pg_rewind/pg_rewind.c
index 2d9cf6075ab..bf2d2983e7e 100644
--- a/src/bin/pg_rewind/pg_rewind.c
+++ b/src/bin/pg_rewind/pg_rewind.c
@@ -88,6 +88,7 @@ usage(const char *progname)
 	printf(_("  -V, --version                  output version information, then exit\n"));
 	printf(_("  -?, --help                     show this help, then exit\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 
diff --git a/src/bin/pg_upgrade/option.c b/src/bin/pg_upgrade/option.c
index c753a75fa03..4ef2036ecd6 100644
--- a/src/bin/pg_upgrade/option.c
+++ b/src/bin/pg_upgrade/option.c
@@ -337,6 +337,7 @@ usage(void)
 			 "  C:\\> pg_upgrade\n"));
 #endif
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 
diff --git a/src/bin/pg_waldump/pg_waldump.c b/src/bin/pg_waldump/pg_waldump.c
index 906f7e1f089..279acfa0440 100644
--- a/src/bin/pg_waldump/pg_waldump.c
+++ b/src/bin/pg_waldump/pg_waldump.c
@@ -731,6 +731,7 @@ usage(void)
 			 "                         (optionally, show per-record statistics)\n"));
 	printf(_("  -?, --help             show this help, then exit\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 int
diff --git a/src/bin/pgbench/pgbench.c b/src/bin/pgbench/pgbench.c
index 978fca0f471..b8864c6ae53 100644
--- a/src/bin/pgbench/pgbench.c
+++ b/src/bin/pgbench/pgbench.c
@@ -681,8 +681,9 @@ usage(void)
 		   "  -V, --version            output version information, then exit\n"
 		   "  -?, --help               show this help, then exit\n"
 		   "\n"
-		   "Report bugs to <%s>.\n",
-		   progname, progname, PACKAGE_BUGREPORT);
+		   "Report bugs to <%s>.\n"
+		   "%s home page: <%s>\n",
+		   progname, progname, PACKAGE_BUGREPORT, PACKAGE_NAME, PACKAGE_URL);
 }
 
 /* return whether str matches "^\s*[-+]?[0-9]+$" */
diff --git a/src/bin/psql/help.c b/src/bin/psql/help.c
index 777d54f0858..1f1f7784261 100644
--- a/src/bin/psql/help.c
+++ b/src/bin/psql/help.c
@@ -145,6 +145,7 @@ usage(unsigned short int pager)
 					  "commands) from within psql, or consult the psql section in the PostgreSQL\n"
 					  "documentation.\n\n"));
 	fprintf(output, _("Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	fprintf(output, _("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 
 	ClosePager(output);
 }
diff --git a/src/bin/scripts/clusterdb.c b/src/bin/scripts/clusterdb.c
index d9761b39b26..12972de0e91 100644
--- a/src/bin/scripts/clusterdb.c
+++ b/src/bin/scripts/clusterdb.c
@@ -292,4 +292,5 @@ help(const char *progname)
 	printf(_("  --maintenance-db=DBNAME   alternate maintenance database\n"));
 	printf(_("\nRead the description of the SQL command CLUSTER for details.\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
diff --git a/src/bin/scripts/createdb.c b/src/bin/scripts/createdb.c
index 9fd46a679aa..1353af97c49 100644
--- a/src/bin/scripts/createdb.c
+++ b/src/bin/scripts/createdb.c
@@ -278,4 +278,5 @@ help(const char *progname)
 	printf(_("  --maintenance-db=DBNAME      alternate maintenance database\n"));
 	printf(_("\nBy default, a database with the same name as the current user is created.\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
diff --git a/src/bin/scripts/createuser.c b/src/bin/scripts/createuser.c
index a658701dd24..cf32fbe1bc8 100644
--- a/src/bin/scripts/createuser.c
+++ b/src/bin/scripts/createuser.c
@@ -376,4 +376,5 @@ help(const char *progname)
 	printf(_("  -w, --no-password         never prompt for password\n"));
 	printf(_("  -W, --password            force password prompt\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
diff --git a/src/bin/scripts/dropdb.c b/src/bin/scripts/dropdb.c
index 1b26f9e6de2..3d6be80ffdc 100644
--- a/src/bin/scripts/dropdb.c
+++ b/src/bin/scripts/dropdb.c
@@ -178,4 +178,5 @@ help(const char *progname)
 	printf(_("  -W, --password            force password prompt\n"));
 	printf(_("  --maintenance-db=DBNAME   alternate maintenance database\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
diff --git a/src/bin/scripts/dropuser.c b/src/bin/scripts/dropuser.c
index a81d4868c4a..fee270d4f6d 100644
--- a/src/bin/scripts/dropuser.c
+++ b/src/bin/scripts/dropuser.c
@@ -176,4 +176,5 @@ help(const char *progname)
 	printf(_("  -w, --no-password         never prompt for password\n"));
 	printf(_("  -W, --password            force password prompt\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
diff --git a/src/bin/scripts/pg_isready.c b/src/bin/scripts/pg_isready.c
index ead88a9b5a5..f3971129064 100644
--- a/src/bin/scripts/pg_isready.c
+++ b/src/bin/scripts/pg_isready.c
@@ -236,4 +236,5 @@ help(const char *progname)
 	printf(_("  -t, --timeout=SECS       seconds to wait when attempting connection, 0 disables (default: %s)\n"), DEFAULT_CONNECT_TIMEOUT);
 	printf(_("  -U, --username=USERNAME  user name to connect as\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
diff --git a/src/bin/scripts/reindexdb.c b/src/bin/scripts/reindexdb.c
index f680c0d6bdd..54e46181fe7 100644
--- a/src/bin/scripts/reindexdb.c
+++ b/src/bin/scripts/reindexdb.c
@@ -775,4 +775,5 @@ help(const char *progname)
 	printf(_("  --maintenance-db=DBNAME   alternate maintenance database\n"));
 	printf(_("\nRead the description of the SQL command REINDEX for details.\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
diff --git a/src/bin/scripts/vacuumdb.c b/src/bin/scripts/vacuumdb.c
index d3952f41506..154084a086e 100644
--- a/src/bin/scripts/vacuumdb.c
+++ b/src/bin/scripts/vacuumdb.c
@@ -950,4 +950,5 @@ help(const char *progname)
 	printf(_("  --maintenance-db=DBNAME   alternate maintenance database\n"));
 	printf(_("\nRead the description of the SQL command VACUUM for details.\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
diff --git a/src/interfaces/ecpg/preproc/ecpg.c b/src/interfaces/ecpg/preproc/ecpg.c
index a8c93d49345..44a6d5119b2 100644
--- a/src/interfaces/ecpg/preproc/ecpg.c
+++ b/src/interfaces/ecpg/preproc/ecpg.c
@@ -59,6 +59,7 @@ help(const char *progname)
 	printf(_("\nIf no output file is specified, the name is formed by adding .c to the\n"
 			 "input file name, after stripping off .pgc if present.\n"));
 	printf(_("\nReport bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 static void
diff --git a/src/test/regress/pg_regress.c b/src/test/regress/pg_regress.c
index 9270977393d..a53e4a6243b 100644
--- a/src/test/regress/pg_regress.c
+++ b/src/test/regress/pg_regress.c
@@ -2072,6 +2072,7 @@ help(void)
 	printf(_("if the tests could not be run for some reason.\n"));
 	printf(_("\n"));
 	printf(_("Report bugs to <%s>.\n"), PACKAGE_BUGREPORT);
+	printf(_("%s home page: <%s>\n"), PACKAGE_NAME, PACKAGE_URL);
 }
 
 int
diff --git a/src/tools/msvc/Solution.pm b/src/tools/msvc/Solution.pm
index 6b4a6eec2a4..9bb8f57150a 100644
--- a/src/tools/msvc/Solution.pm
+++ b/src/tools/msvc/Solution.pm
@@ -146,20 +146,26 @@ sub GenerateFiles
 {
 	my $self = shift;
 	my $bits = $self->{platform} eq 'Win32' ? 32 : 64;
+	my $ac_init_found = 0;
 	my $package_name;
 	my $package_version;
 	my $package_bugreport;
+	my $package_url;
 
 	# Parse configure.in to get version numbers
 	open(my $c, '<', "configure.in")
 	  || confess("Could not open configure.in for reading\n");
 	while (<$c>)
 	{
-		if (/^AC_INIT\(\[([^\]]+)\], \[([^\]]+)\], \[([^\]]+)\]/)
+		if (/^AC_INIT\(\[([^\]]+)\], \[([^\]]+)\], \[([^\]]+)\], \[([^\]]*)\], \[([^\]]+)\]/)
 		{
+			$ac_init_found = 1;
+
 			$package_name      = $1;
 			$package_version   = $2;
 			$package_bugreport = $3;
+			#$package_tarname   = $4;
+			$package_url       = $5;
 
 			if ($package_version !~ /^(\d+)(?:\.(\d+))?/)
 			{
@@ -171,10 +177,7 @@ sub GenerateFiles
 	}
 	close($c);
 	confess "Unable to parse configure.in for all variables!"
-	  if ( $package_name eq ''
-		|| $package_version eq ''
-		|| $self->{numver} eq ''
-		|| $package_bugreport eq '');
+	  unless $ac_init_found;
 
 	if (IsNewer("src/include/pg_config_os.h", "src/include/port/win32.h"))
 	{
@@ -431,7 +434,7 @@ sub GenerateFiles
 		PACKAGE_NAME                             => qq{"$package_name"},
 		PACKAGE_STRING      => qq{"$package_name $package_version"},
 		PACKAGE_TARNAME     => lc qq{"$package_name"},
-		PACKAGE_URL         => undef,
+		PACKAGE_URL         => qq{"$package_url"},
 		PACKAGE_VERSION     => qq{"$package_version"},
 		PG_INT128_TYPE      => undef,
 		PG_INT64_TYPE       => 'long long int',