Bug#966069: analysis and partial patch

[Joey Hess]

ghc-pkg dump output has changed slightly, it now indents values with spaces
to make then line up or something

haddock-interfaces:   /usr/lib/ghc-doc/haddock/th-lift-0.8.1/th-lift.haddock
haddock-html:         /usr/share/doc/libghc-th-lift-doc/html/

In some cases, it also wraps single line values to the next line:

haddock-interfaces:
    /usr/lib/ghc-doc/haddock/filepath-bytestring-1.4.2.1.6/filepath-bytestring.haddock

This patch partially fixed it for me, but does not deal with the line wrapping,
which would take more of a rfc-822 type parser than this.

--- /usr/lib/ghc-doc/gen_contents_index.old	2020-08-05 17:05:47.355190738 -0400
+++ /usr/lib/ghc-doc/gen_contents_index	2020-08-05 17:05:49.967249906 -0400
@@ -26,13 +26,13 @@
     my $fh = shift;
     my %dat;
     while (<$fh>) {
-	if (/^name: (.*)/) {
+	if (/^name:\s+(.*)/) {
 	    $dat{pkg} = $1;
-	} elsif (/^version: (.*)/) {
+	} elsif (/^version:\s+(.*)/) {
 	    $dat{ver} = $1;
-	} elsif (/^haddock-interfaces: (.*)/) {
+	} elsif (/^haddock-interfaces:\s+(.*)/) {
 	    $dat{ifaces} = $1;
-	} elsif (/^haddock-html: (.*)/) {
+	} elsif (/^haddock-html:\s+(.*)/) {
 	    $dat{html} = $1;
 	} elsif (/^---/) {
 	    process(\%dat, @_);

-- 
see shy jo
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