doc: fix build-docdep.perl

We renamed from .txt to .adoc all the asciidoc source files and
necessary includes.  We also need to adjust the build-docdep tool to
work on files whose suffix is .adoc when computing the documentation
dependencies.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/build-docdep.perl b/Documentation/build-docdep.perl
index 315efaa2fa2f2efc89b2c8073cc97cd2cc83611c..781da12b2ee8c98d77c95dfeaafdd7d1e7593620 100755 (executable)
--- a/Documentation/build-docdep.perl
+++ b/Documentation/build-docdep.perl
@@ -4,15 +4,15 @@ my ($build_dir) = @ARGV;
 my %include = ();
 my %included = ();
 
-for my $text (<*.txt>) {
-    open I, '<', $text || die "cannot read: $text";
+for my $adoc (<*.adoc>) {
+    open I, '<', $adoc || die "cannot read: $adoc";
     while (<I>) {
        if (/^include::/) {
            chomp;
            s/^include::\s*//;
            s/\[\]//;
            s/{build_dir}/${build_dir}/;
-           $include{$text}{$_} = 1;
+           $include{$adoc}{$_} = 1;
            $included{$_} = 1;
        }
     }
@@ -23,14 +23,14 @@ for my $text (<*.txt>) {
 my $changed = 1;
 while ($changed) {
     $changed = 0;
-    while (my ($text, $included) = each %include) {
+    while (my ($adoc, $included) = each %include) {
        for my $i (keys %$included) {
-           # $text has include::$i; if $i includes $j
-           # $text indirectly includes $j.
+           # $adoc has include::$i; if $i includes $j
+           # $adoc indirectly includes $j.
            if (exists $include{$i}) {
                for my $j (keys %{$include{$i}}) {
-                   if (!exists $include{$text}{$j}) {
-                       $include{$text}{$j} = 1;
+                   if (!exists $include{$adoc}{$j}) {
+                       $include{$adoc}{$j} = 1;
                        $included{$j} = 1;
                        $changed = 1;
                    }
@@ -40,10 +40,10 @@ while ($changed) {
     }
 }
 
-foreach my $text (sort keys %include) {
-    my $included = $include{$text};
-    if (! exists $included{$text} &&
-       (my $base = $text) =~ s/\.txt$//) {
+foreach my $adoc (sort keys %include) {
+    my $included = $include{$adoc};
+    if (! exists $included{$adoc} &&
+       (my $base = $adoc) =~ s/\.adoc$//) {
        print "$base.html $base.xml : ", join(" ", sort keys %$included), "\n";
     }
 }