[bug#44492] [PATCH v3 46/46] gnu: Add fractal.

[Leo Prikler]

* gnu/packages/patches/fractal-switch-from-failure-to-anyhow.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it here.
* gnu/packages/gnome.scm (fractal): New variable.
---
 gnu/local.mk                                  |   1 +
 gnu/packages/gnome.scm                        | 142 ++++++++++++++++-
 ...ractal-switch-from-failure-to-anyhow.patch | 143 ++++++++++++++++++
 3 files changed, 285 insertions(+), 1 deletion(-)
 create mode 100644 
gnu/packages/patches/fractal-switch-from-failure-to-anyhow.patch

diff --git a/gnu/local.mk b/gnu/local.mk
index 4bb2806811..57b6c40998 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -997,6 +997,7 @@ dist_patch_DATA =                                           
\
   %D%/packages/patches/fontconfig-hurd-path-max.patch          \
   %D%/packages/patches/fpc-reproducibility.patch               \
   %D%/packages/patches/fplll-std-fenv.patch                    \
+  %D%/packages/patches/fractal-switch-from-failure-to-anyhow.patch     \
   %D%/packages/patches/freedink-engine-fix-sdl-hints.patch     \
   %D%/packages/patches/freebayes-devendor-deps.patch           \
   %D%/packages/patches/freeimage-unbundle.patch                \
diff --git a/gnu/packages/gnome.scm b/gnu/packages/gnome.scm
index 5c6d247471..9c1cb17805 100644
--- a/gnu/packages/gnome.scm
+++ b/gnu/packages/gnome.scm
@@ -12103,7 +12103,6 @@ editing environment for translation issues within the 
GNU gettext/GNOME desktop
 world.")
     (license license:gpl3+)))
 
-
 (define-public ocrfeeder
   (package
     (name "ocrfeeder")
@@ -12166,3 +12165,144 @@ world.")
     (description "OCRFeeder is a complete Optical Character Recognition and
 Document Analysis and Recognition program.")
     (license license:gpl3+)))
+
+(define-public fractal
+  (package
+    (name "fractal")
+    (version "4.4.0")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://gitlab.gnome.org/GNOME/fractal";)
+                    (commit version)))
+              (file-name (string-append "fractal-" version))
+              (sha256
+               (base32
+                "1v2aw41gfmixki6g7j7mcav7i7qkn17k7zndvvfv08rgsrvma8qd"))
+              (patches
+               (search-patches
+                "fractal-switch-from-failure-to-anyhow.patch"))))
+    (build-system cargo-build-system)
+    (arguments
+     `(#:imported-modules
+       (,@%cargo-build-system-modules
+        ,@%meson-build-system-modules)
+       #:modules
+       ((guix build cargo-build-system)
+        (guix build utils)
+        ((guix build meson-build-system) #:prefix meson:))
+       #:cargo-inputs
+       (("rust-anyhow" ,rust-anyhow-1)
+        ("rust-comrak" ,rust-comrak-0.7)
+        ("rust-directories" ,rust-directories-2)
+        ("rust-dirs" ,rust-dirs-2)
+        ("rust-either" ,rust-either-1)
+        ("rust-fragile" ,rust-fragile-1)
+        ("rust-gdk" ,rust-gdk-0.12)
+        ("rust-gdk-pixbuf" ,rust-gdk-pixbuf-0.8)
+        ("rust-gettext" ,rust-gettext-rs-0.4)
+        ("rust-glib" ,rust-glib-0.9)
+        ("rust-gio" ,rust-gio-0.8)
+        ("rust-gspell" ,rust-gspell-0.4)
+        ("rust-gstreamer" ,rust-gstreamer-0.15)
+        ("rust-gstreamer-pbutils" ,rust-gstreamer-pbutils-0.15)
+        ("rust-gstreamer-player" ,rust-gstreamer-player-0.15)
+        ("rust-gtk" ,rust-gtk-0.8)
+        ("rust-html2pango" ,rust-html2pango-0.3)
+        ("rust-letter-avatar" ,rust-letter-avatar-for-fractal)
+        ("rust-libhandy" ,rust-libhandy-0.5)
+        ("rust-loggerv" ,rust-loggerv-0.7)
+        ("rust-md5" ,rust-md5-0.7)
+        ("rust-mdl" ,rust-mdl-1)
+        ("rust-rand" ,rust-rand-0.7)
+        ("rust-regex" ,rust-regex-1)
+        ("rust-reqwest" ,rust-reqwest-0.10)
+        ("rust-ruma-identifiers" ,rust-ruma-identifiers-0.17)
+        ("rust-serde" ,rust-serde-1)
+        ("rust-secret-service" ,rust-secret-service-1)
+        ("rust-sourceview4" ,rust-sourceview4-for-fractal))
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'patch-cargo
+           (lambda* (#:key vendor-dir #:allow-other-keys)
+             (substitute* "fractal-gtk/Cargo.toml"
+               (("git = .*") "")
+               ;; rust-gettext-rs
+               (("branch = \"no-gettext\"") "version = \"0.4.0\"")
+               ;; rust-sourceview4
+               (("rev = \"fa8819fa7ecbe56f44d951656d3825f468915754\"")
+                "version = \"0.2.0\"")
+               ;; rust-either
+               (("rev = \"60c99bc0723491e2dfd42bbe9b485c5f9323e96b\"")
+                "version = \"1.6.0\"")
+               (("\"serde_untagged\"") "\"serde\""))
+             (substitute*
+                 (map
+                  (lambda (dir) (string-append dir "/Cargo.toml"))
+                  (find-files vendor-dir "system-deps.*" #:directories? #t))
+               (("0.0.10") ,(package-version rust-version-compare-0.0)))
+             (substitute* "meson.build"
+               (("'Cargo.lock',") ""))
+             (substitute* "scripts/cargo.sh"
+               (("export CARGO_HOME=.*" all)
+                (string-append all "\
+mkdir -p $CARGO_HOME
+cp $1/.cargo/config $CARGO_HOME
+")))
+
+             #t))
+         (add-after 'unpack 'skip-gtk-update-icon-cache
+           (lambda _
+             (substitute* "scripts/meson_post_install.py"
+               (("gtk-update-icon-cache") (which "true")))
+             #t))
+         (add-after 'configure 'configure-harder
+           (lambda* (#:key vendor-dir inputs #:allow-other-keys)
+             (for-each
+              (lambda (d)
+                (copy-recursively
+                 (string-append (assoc-ref inputs "rust-sourceview4") "/" d)
+                 (string-append vendor-dir "/rust-" d "-0.2.0")))
+              '("sourceview4" "sourceview4-sys"))
+             (delete-file-recursively
+              (car (find-files vendor-dir "fractal.*" #:directories? #t)))
+             #t))
+         (add-after 'patch-cargo-checksums 'really-configure
+           (lambda args
+             (apply (assoc-ref meson:%standard-phases 'configure)
+                    #:build-type "release"
+                    #:configure-flags '()
+                    args)))
+         (replace 'build (assoc-ref meson:%standard-phases 'build))
+         (replace 'check
+           (lambda args
+             ((assoc-ref meson:%standard-phases 'check)
+              #:test-target "test"
+              #:parallel-tests? #t
+              #:tests? #t)))
+         (replace 'install (assoc-ref meson:%standard-phases 'install)))))
+    (native-inputs
+     `(("glib:bin" ,glib "bin")
+       ("gettext" ,gettext-minimal)
+       ("meson" ,meson-for-build)
+       ("ninja" ,ninja)
+       ("pkg-config" ,pkg-config)))
+    (inputs
+     `(("atk" ,atk)
+       ("cairo" ,cairo)
+       ("glib" ,glib)
+       ("gspell" ,gspell)
+       ("gst-editing-services" ,gst-editing-services)
+       ("gstreamer" ,gstreamer)
+       ("gst-plugins-base" ,gst-plugins-base)
+       ("gst-plugins-bad" ,gst-plugins-bad)
+       ("gtk+" ,gtk+)
+       ("gtksourceview" ,gtksourceview)
+       ("libhandy" ,libhandy-0.0)
+       ("openssl" ,openssl)))
+    (synopsis "Matrix messaging app for GNOME")
+    (description "Fractal is a Matrix messaging app for GNOME written in Rust.
+Its interface is optimized for collaboration in large groups, such as free
+software projects.")
+    (home-page "https://wiki.gnome.org/Apps/Fractal";)
+    (license license:gpl3)))
diff --git a/gnu/packages/patches/fractal-switch-from-failure-to-anyhow.patch 
b/gnu/packages/patches/fractal-switch-from-failure-to-anyhow.patch
new file mode 100644
index 0000000000..6b830ecf94
--- /dev/null
+++ b/gnu/packages/patches/fractal-switch-from-failure-to-anyhow.patch
@@ -0,0 +1,143 @@
+From e4ca9dc5c0f4401f350338e4cd9b0734db9371bf Mon Sep 17 00:00:00 2001
+From: Yuki Okushi <huyuumi.dev@gmail.com>
+Date: Thu, 13 Aug 2020 14:41:50 +0900
+Subject: [PATCH] Switch from failure to anyhow
+
+---
+ Cargo.lock                      | 8 +++++++-
+ fractal-gtk/Cargo.toml          | 2 +-
+ fractal-gtk/src/appop/attach.rs | 2 +-
+ fractal-gtk/src/cache/mod.rs    | 2 +-
+ fractal-gtk/src/cache/state.rs  | 7 +++----
+ fractal-gtk/src/util.rs         | 8 ++++----
+ 6 files changed, 17 insertions(+), 12 deletions(-)
+
+diff --git a/Cargo.lock b/Cargo.lock
+index c0b5e5e2..f26d9787 100644
+--- a/Cargo.lock
++++ b/Cargo.lock
+@@ -88,6 +88,12 @@ dependencies = [
+  "winapi 0.3.9",
+ ]
+ 
++[[package]]
++name = "anyhow"
++version = "1.0.32"
++source = "registry+https://github.com/rust-lang/crates.io-index";
++checksum = "6b602bfe940d21c130f3895acd65221e8a61270debe89d628b9cb4e3ccb8569b"
++
+ [[package]]
+ name = "arrayref"
+ version = "0.3.6"
+@@ -580,6 +586,7 @@ checksum = 
"00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+ name = "fractal-gtk"
+ version = "4.4.0"
+ dependencies = [
++ "anyhow",
+  "cairo-rs",
+  "chrono",
+  "clap",
+@@ -587,7 +594,6 @@ dependencies = [
+  "directories",
+  "dirs",
+  "either 1.5.99",
+- "failure",
+  "fractal-matrix-api",
+  "fragile",
+  "gdk",
+diff --git a/fractal-gtk/Cargo.toml b/fractal-gtk/Cargo.toml
+index 960f64b5..e1c6a33d 100644
+--- a/fractal-gtk/Cargo.toml
++++ b/fractal-gtk/Cargo.toml
+@@ -6,11 +6,11 @@ workspace = "../"
+ edition = "2018"
+ 
+ [dependencies]
++anyhow = "1.0.32"
+ clap = "2.33.0"
+ comrak = "0.7.0"
+ directories = "2.0.2"
+ dirs = "2.0.2"
+-failure = "0.1.6"
+ fragile = "1.0.0"
+ gspell = "0.4.0"
+ gdk = "0.12.1"
+diff --git a/fractal-gtk/src/appop/attach.rs b/fractal-gtk/src/appop/attach.rs
+index 3f0813aa..3b5bff4c 100644
+--- a/fractal-gtk/src/appop/attach.rs
++++ b/fractal-gtk/src/appop/attach.rs
+@@ -6,7 +6,7 @@ use std::io::prelude::*;
+ use std::path::PathBuf;
+ use std::sync::{Arc, Mutex};
+ 
+-use failure::Error;
++use anyhow::Error;
+ 
+ use gtk::prelude::*;
+ 
+diff --git a/fractal-gtk/src/cache/mod.rs b/fractal-gtk/src/cache/mod.rs
+index 76942866..8943eac6 100644
+--- a/fractal-gtk/src/cache/mod.rs
++++ b/fractal-gtk/src/cache/mod.rs
+@@ -12,7 +12,7 @@ use std::thread;
+ 
+ use crate::types::Room;
+ use crate::types::RoomList;
+-use failure::Error;
++use anyhow::Error;
+ use fractal_api::identifiers::{DeviceId, UserId};
+ use std::collections::HashMap;
+ use std::hash::Hash;
+diff --git a/fractal-gtk/src/cache/state.rs b/fractal-gtk/src/cache/state.rs
+index 7cb5372a..0e62c59b 100644
+--- a/fractal-gtk/src/cache/state.rs
++++ b/fractal-gtk/src/cache/state.rs
+@@ -4,8 +4,7 @@ use mdl::Model;
+ use mdl::Store;
+ use serde::{Deserialize, Serialize};
+ 
+-use failure::err_msg;
+-use failure::Error;
++use anyhow::{anyhow, Error};
+ 
+ use std::cell::RefCell;
+ use std::fs::remove_dir_all;
+@@ -127,8 +126,8 @@ impl FCache {
+         guard.take();
+ 
+         let fname = cache_dir_path(None, "cache.mdl")
+-            .or_else(|_| Err(err_msg("Can't remove cache file")))?;
+-        remove_dir_all(fname).or_else(|_| Err(err_msg("Can't remove cache 
file")))
++            .or_else(|_| Err(anyhow!("Can't remove cache file")))?;
++        remove_dir_all(fname).or_else(|_| Err(anyhow!("Can't remove cache 
file")))
+     }
+ 
+     #[allow(dead_code)]
+diff --git a/fractal-gtk/src/util.rs b/fractal-gtk/src/util.rs
+index 764a8e8e..b2feb12c 100644
+--- a/fractal-gtk/src/util.rs
++++ b/fractal-gtk/src/util.rs
+@@ -1,6 +1,6 @@
+ use crate::globals::CACHE_PATH;
+-use failure::format_err;
+-use failure::Error as FailError;
++use anyhow::anyhow;
++use anyhow::Error as AnyhowError;
+ use gdk::prelude::*;
+ use gdk_pixbuf::Pixbuf;
+ use gio::{Settings, SettingsExt, SettingsSchemaSource};
+@@ -21,9 +21,9 @@ pub fn cache_dir_path(dir: Option<&str>, name: &str) -> 
Result<PathBuf, IoError>
+     Ok(path.join(name))
+ }
+ 
+-pub fn get_pixbuf_data(pb: &Pixbuf) -> Result<Vec<u8>, FailError> {
++pub fn get_pixbuf_data(pb: &Pixbuf) -> Result<Vec<u8>, AnyhowError> {
+     let image = cairo::ImageSurface::create(cairo::Format::ARgb32, 
pb.get_width(), pb.get_height())
+-        .or_else(|_| Err(format_err!("Cairo Error")))?;
++        .or_else(|_| Err(anyhow!("Cairo Error")))?;
+ 
+     let g = cairo::Context::new(&image);
+     g.set_source_pixbuf(pb, 0.0, 0.0);
+-- 
+2.30.1
+
-- 
2.30.1