nixpkgs/pkgs/applications/graphics/akira/fix-build-with-vala-0-44-or-later.patch

From bcda8fd53f6f232db0b6411269ba108af551629f Mon Sep 17 00:00:00 2001
From: Alberto Fanjul <albertofanjul@gmail.com>
Date: Tue, 9 Apr 2019 09:45:36 +0200
Subject: [PATCH] Build on vala >= 0.44.2

---
 src/FileFormat/JsonObject.vala        |  2 +-
 src/FileFormat/JsonObjectArray.vala   |  2 +-
 src/FileFormat/ZipArchiveHandler.vala | 18 +++++++++++++++++-
 3 files changed, 19 insertions(+), 3 deletions(-)

diff --git a/src/FileFormat/JsonObject.vala b/src/FileFormat/JsonObject.vala
index 7bfe46f..805fbad 100644
--- a/src/FileFormat/JsonObject.vala
+++ b/src/FileFormat/JsonObject.vala
@@ -31,7 +31,7 @@ public abstract class Akira.FileFormat.JsonObject : GLib.Object {
 
     private ObjectClass obj_class;
 
-    public JsonObject.from_object (Json.Object object) {
+    protected JsonObject.from_object (Json.Object object) {
         Object (object: object);
     }
 
diff --git a/src/FileFormat/JsonObjectArray.vala b/src/FileFormat/JsonObjectArray.vala
index 4f6e573..d0a7dad 100644
--- a/src/FileFormat/JsonObjectArray.vala
+++ b/src/FileFormat/JsonObjectArray.vala
@@ -31,7 +31,7 @@ public abstract class Akira.FileFormat.JsonObjectArray : Object {
      *
      * Your JsonObject implementation should have it's own list of items
      */
-    public JsonObjectArray (Json.Object object, string property_name) {
+    protected JsonObjectArray (Json.Object object, string property_name) {
         Object (object: object, property_name: property_name);
     }
 
diff --git a/src/FileFormat/ZipArchiveHandler.vala b/src/FileFormat/ZipArchiveHandler.vala
index ca60dd0..5d65aa2 100644
--- a/src/FileFormat/ZipArchiveHandler.vala
+++ b/src/FileFormat/ZipArchiveHandler.vala
@@ -262,11 +262,17 @@ public class Akira.FileFormat.ZipArchiveHandler : GLib.Object {
                 continue;
             }
 
+            Posix.off_t offset;
+#if VALA_0_42
+            uint8[] buffer;
+            while (archive.read_data_block (out buffer, out offset) == Archive.Result.OK) {
+                if (extractor.write_data_block (buffer, offset) != Archive.Result.OK) {
+#else
             void* buffer = null;
             size_t buffer_length;
-            Posix.off_t offset;
             while (archive.read_data_block (out buffer, out buffer_length, out offset) == Archive.Result.OK) {
                 if (extractor.write_data_block (buffer, buffer_length, offset) != Archive.Result.OK) {
+#endif
                     break;
                 }
             }
@@ -316,9 +322,15 @@ public class Akira.FileFormat.ZipArchiveHandler : GLib.Object {
                     // Add an entry to the archive
                     Archive.Entry entry = new Archive.Entry ();
                     entry.set_pathname (initial_folder.get_relative_path (current_file));
+#if VALA_0_42
+                    entry.set_size ((Archive.int64_t) file_info.get_size ());
+                    entry.set_filetype (Archive.FileType.IFREG);
+                    entry.set_perm (Archive.FileType.IFREG);
+#else
                     entry.set_size (file_info.get_size ());
                     entry.set_filetype ((uint) Posix.S_IFREG);
                     entry.set_perm (0644);
+#endif
 
                     if (archive.write_header (entry) != Archive.Result.OK) {
                         critical ("Error writing '%s': %s (%d)", current_file.get_path (), archive.error_string (), archive.errno ());
@@ -333,7 +345,11 @@ public class Akira.FileFormat.ZipArchiveHandler : GLib.Object {
                             break;
                         }
 
+#if VALA_0_42
+                        archive.write_data (buffer[0:bytes_read]);
+#else
                         archive.write_data (buffer, bytes_read);
+#endif
                     }
                 }
             }