[easytag] Add AppData XML using APPDATA_XML macro

[David King <davidk src gnome org>]

commit 02d199b2cac7c34b36cb534a48eda32172efb941
Author: David King <amigadave amigadave com>
Date:   Wed Jan 22 17:37:28 2014 +0000

    Add AppData XML using APPDATA_XML macro

 .gitignore                  |    1 +
 Makefile.am                 |    8 ++++++++
 README                      |    1 +
 configure.ac                |    3 +++
 data/easytag.appdata.xml.in |   23 +++++++++++++++++++++++
 po/POTFILES.in              |    1 +
 6 files changed, 37 insertions(+), 0 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index fbc3ca8..44fc72f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,7 @@ config.h.in
 config.log
 config.status
 configure
+/data/easytag.appdata.xml
 /data/easytag.desktop
 /doc/easytag.1
 /doc/version.xml
diff --git a/Makefile.am b/Makefile.am
index a8f6d19..0260c1c 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,7 @@
 ACLOCAL_AMFLAGS = -I m4
 
 DISTCHECK_CONFIGURE_FLAGS = \
+       --enable-appdata-check \
        --enable-flac \
        --enable-id3v23 \
        --enable-ogg \
@@ -148,6 +149,11 @@ easytag-win32-installer.nsi: easytag-win32-installer.nsi.in Makefile
        $(AM_V_at)$(MKDIR_P) $(@D)
        $(AM_V_at)touch $@
 
+ APPDATA_XML_RULES@
+ INTLTOOL_XML_RULE@
+appdata_in_files = data/easytag.appdata.xml.in
+appdata_XML = $(appdata_in_files:.appdata.xml.in=.appdata.xml)
+
 @INTLTOOL_DESKTOP_RULE@
 desktopdir = $(datadir)/applications
 desktop_in_files = data/easytag.desktop.in
@@ -224,6 +230,7 @@ uninstall-update-icon-cache:
        test -n "$(DESTDIR)" || $(UPDATE_ICON_CACHE) "$(iconthemedir)"
 
 dist_noinst_DATA = \
+       $(appdata_in_files) \
        $(desktop_in_files) \
        $(easytag_headers) \
        src/id3lib/patch_id3lib_3.8.3_UTF16_writing_bug.diff \
@@ -260,6 +267,7 @@ TESTS = \
 endif
 
 CLEANFILES = \
+       $(appdata_XML) \
        $(check_SCRIPTS) \
        $(desktop_DATA) \
        $(easytag_rc) \
diff --git a/README b/README
index 5b9ff40..df9af68 100644
--- a/README
+++ b/README
@@ -63,6 +63,7 @@ Installation
 * wavpack (http://www.wavpack.com/) (if not deactivated by './configure --disable-wavpack')
 * yelp-tools (https://git.gnome.org/browse/yelp-tools)
 * libc 6 (glibc 2.1) or greater
+* appdata-tools (https://github.com/hughsie/appdata-tools)
 * intltool (if not deactivated by './configure --disable-nls')
 
 ### Compilation instructions
diff --git a/configure.ac b/configure.ac
index f07fffc..7f73ed2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,6 +27,9 @@ AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], ["$GETTEXT_PACKAGE"], [Package name for ge
 AS_IF([test "x$USE_NLS" != "xno"],
       [AC_DEFINE([ENABLE_NLS], [1], [Native Language support is enabled])])
 
+dnl AppData
+APPDATA_XML
+
 dnl -------------------------------
 dnl Checks for programs.
 dnl -------------------------------
diff --git a/data/easytag.appdata.xml.in b/data/easytag.appdata.xml.in
new file mode 100644
index 0000000..01fef04
--- /dev/null
+++ b/data/easytag.appdata.xml.in
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Copyright 2013 David King <amigadave amigadave com> -->
+<application>
+    <id type="desktop">easytag.desktop</id>
+    <licence>CC0</licence>
+<!-- Both taken from the desktop file.
+    <name>EasyTAG</name>
+    <summary></summary>
+-->
+    <description>
+        <_p>View and edit tags for MP3, MP2, MP4/AAC, FLAC, Ogg Vorbis,
+       MusePack, Monkey's Audio and WavPack files.</_p>
+       <_p>Look up albums in online databases, bulk edit tags, create
+       playlists and rename a collection of files.</_p>
+        <_p>A simple and nice GTK+ interface makes tagging easier under
+       GNU/Linux and Windows.</_p>
+    </description>
+    <url type="homepage">https://wiki.gnome.org/Apps/EasyTAG</url>
+    <screenshots>
+        <screenshot type="default">http://amigadave.com/temp/easytag-default.png</screenshot>
+    </screenshots>
+    <updatecontact>amigadave amigadave com</updatecontact>
+</application>
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 9ec12e7..2270e4d 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1,3 +1,4 @@
+data/easytag.appdata.xml.in
 data/easytag.desktop.in
 src/about.c
 src/ape_tag.c