From 6ac20cd3f258cdd235eb2f07c6e8170e6d57683e Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Thu, 23 Mar 2023 09:26:59 -0300
Subject: src/bin/paku.in: Enable license mapping to be extended or overriden
 from paku.lock

---
 paku.lock       |  8 +++++---
 src/bin/paku.in | 16 +++++++++-------
 2 files changed, 14 insertions(+), 10 deletions(-)

diff --git a/paku.lock b/paku.lock
index 73a8e32..82231fd 100644
--- a/paku.lock
+++ b/paku.lock
@@ -7,9 +7,11 @@
   },
   "mappings": {
     "guix": {
-      "guile": [
-        "guile-3.0"
-      ]
+      "packages": {
+        "guile": [
+          "guile-3.0"
+         ]
+      }
     }
   },
   "namespace": "org.euandre",
diff --git a/src/bin/paku.in b/src/bin/paku.in
index a19b3e5..d1d7939 100755
--- a/src/bin/paku.in
+++ b/src/bin/paku.in
@@ -99,8 +99,8 @@ my $licenses = {
 		'AGPL-3.0-or-later' => 'agpl3Plus',
 	},
 };
-sub license_for($target, $id) {
-	return $licenses->{$target}->{$id};
+sub license_for($target, $mappings, $id) {
+	return $mappings->{$id} || $licenses->{$target}->{$id} || $id;
 }
 
 sub inputs_for($mappings, @inputs) {
@@ -195,10 +195,11 @@ sub emit_nix() {
 		self: super: {
 		  $ns = rec {
 		EOF
+	my $license_mapping = $json->{mappings}{nix}{licenses};
 	for my $pkg (@{$json->{packages}}) {
 		my $long = $pkg->{'long-description'};
 		$long =~ s/^(.)/          $1/gm;
-		my $license = license_for 'nix', $pkg->{license};
+		my $license = license_for 'nix', $license_mapping, $pkg->{license};
 
 		my $suffix = $pkg->{label} eq 'latest' ? '' : "-$pkg->{label}";
 		print <<~EOF;
@@ -279,13 +280,14 @@ sub emit_guix() {
 
 	EOF
 
-	my $mappings = $json->{mappings}{guix};
+	my $pkg_mapping     = $json->{mappings}{guix}{packages};
+	my $license_mapping = $json->{mappings}{guix}{licenses};
 	my @pkgs = ();
 	for my $pkg (@{$json->{packages}}) {
 		my $long = $pkg->{'long-description'};
 		$long =~ s/^(.)/          $1/gm;
 		my $ver = $pkg->{version} =~ s/^v//r;
-		my $license = license_for 'guix', $pkg->{license};
+		my $license = license_for 'guix', $license_mapping, $pkg->{license};
 
 		my $name = $pkg->{name} . (
 			$pkg->{label} eq 'latest' ? '' : "-$pkg->{label}"
@@ -307,14 +309,14 @@ sub emit_guix() {
 		EOF
 
 		print '      (list';
-		for (inputs_for $mappings, @{$pkg->{'native-inputs'}}) {
+		for (inputs_for $pkg_mapping, @{$pkg->{'native-inputs'}}) {
 			print "\n       $_";
 		}
 		print "))\n";
 
 		print "    (inputs\n";
 		print '      (list';
-		for (inputs_for $mappings, @{$pkg->{inputs}}) {
+		for (inputs_for $pkg_mapping, @{$pkg->{inputs}}) {
 			print "\n       $_";
 		}
 		print "))\n";
-- 
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