From 65333de9af84bddb3c40122af4a3bbc86929ea91 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Mon, 27 Sep 2021 16:47:04 +0200
Subject: gen.pl: insert the current date and version in generated man page

Reported-by: Gisle Vanem
Ref: #7780
---
 docs/cmdline-opts/gen.pl      | 15 +++++++++++++++
 docs/cmdline-opts/page-header |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/docs/cmdline-opts/gen.pl b/docs/cmdline-opts/gen.pl
index c058987d4..d63aed168 100755
--- a/docs/cmdline-opts/gen.pl
+++ b/docs/cmdline-opts/gen.pl
@@ -45,6 +45,19 @@ my %redirlong;
 my %protolong;
 my %catlong;
 
+use POSIX qw(strftime);
+my $date = strftime "%b %e %Y", localtime;
+my $version = "unknown";
+
+open(INC, "<../../include/curl/curlver.h");
+while(<INC>) {
+    if($_ =~ /^#define LIBCURL_VERSION \"([0-9.]*)/) {
+        $version = $1;
+        last;
+    }
+}
+close(INC);
+
 # get the long name version, return the man page string
 sub manpageify {
     my ($k)=@_;
@@ -365,6 +378,8 @@ sub header {
     open(F, "<:crlf", "$f");
     my @d;
     while(<F>) {
+        s/%DATE/$date/g;
+        s/%VERSION/$version/g;
         push @d, $_;
     }
     close(F);
diff --git a/docs/cmdline-opts/page-header b/docs/cmdline-opts/page-header
index 65b503fbb..2a1a7dac9 100644
--- a/docs/cmdline-opts/page-header
+++ b/docs/cmdline-opts/page-header
@@ -22,7 +22,7 @@
 .\"
 .\" DO NOT EDIT. Generated by the curl project gen.pl man page generator.
 .\"
-.TH curl 1 "16 Dec 2016" "Curl 7.52.0" "Curl Manual"
+.TH curl 1 "%DATE" "curl %VERSION" "curl Manual"
 .SH NAME
 curl \- transfer a URL
 .SH SYNOPSIS
-- 
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