Commit 81e61cda authored by Daniel Stenberg's avatar Daniel Stenberg
Browse files

gen: support 'redirect' 

... and warn for too long --help lines
parent 1ef1f10c

docs/cmdline-opts/MANPAGE.md

+1 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ Each file has a set of meta-data and a body of text. 
    Mutexed: (space separated list of options this overrides)

    Requires: (space separated list of features this option requires)

    See-also: (space separated list of related options)

    Redirect: (option name to use instead)

    Help: (short text for the --help output for this option)

    --- (end of meta-data)

docs/cmdline-opts/gen.pl

+29 −14
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ my %optshort; 
my %optlong;

my %helplong;

my %arglong;

my %redirlong;



# get the long name version, return the man page string

sub manpageify {
@@ -51,6 +52,7 @@ sub single { 
    my $arg;

    my $mutexed;

    my $requires;

    my $redirect;

    my $seealso;

    my $magic; # cmdline special option

    while(<F>) {
@@ -84,6 +86,9 @@ sub single { 
        elsif(/^Requires: (.*)/i) {

            $requires=$1;

        }

        elsif(/^Redirect: (.*)/i) {

            $redirect=$1;

        }

        elsif(/^---/) {

            last;

        }
@@ -109,6 +114,11 @@ sub single { 
    }



    print ".IP \"$opt\"\n";

    if($redirect) {

        my $l = manpageify($redirect);

        print "Use $l instead!\n";

    }

    else {

        my $o;

        if($protocols) {

            $o++;
@@ -122,8 +132,8 @@ sub single { 
            $o++;

            print "[cmdline control] ";

        }



        print "\n" if($o);

    }



    printdesc(@desc);

    undef @desc;
@@ -231,7 +241,12 @@ sub listhelp { 
            $opt .= " $arg";

        }



        printf " %-19s %s\n", $opt, $helplong{$f};

        my $line = sprintf " %-19s %s\n", $opt, $helplong{$f};



        if(length($line) > 79) {

            print STDERR "WARN: the --$long line is too long\n";

        }

        print $line;

    }

}