add fish 4.3.2

app-shells/fish/files/README.gentoo

@@ -0,0 +1,19 @@
+fish is now installed on your system.
+To run fish, type 'fish' in your terminal.
+
+It is advised not to set fish as a default login shell.
+see https://bugs.gentoo.org/545830 for more details.
+Executing fish using ~/.bashrc is an alternative
+see https://wiki.gentoo.org/wiki/Fish#Caveats for details
+
+To set your colors, run 'fish_config'
+To scan your man pages for completions, run 'fish_update_completions'
+To autocomplete command suggestions press Ctrl + F or right arrow key.
+
+Please add a "BROWSER" variable to fish environment pointing to the
+browser of your choice to get acces to fish help system:
+  BROWSER="/usr/bin/firefox"
+
+If you have issues with cut'n'paste in X-terminals, install the x11-misc/xsel package.
+
+Have fun!

app-shells/fish/files/fish-4.3.0-use-cargo-eclass-for-build.patch

@@ -0,0 +1,46 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index c65b3e422..caf670f0c 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -60,18 +60,7 @@ add_custom_target(
+   fish ALL
+   COMMAND
+     "${CMAKE_COMMAND}" -E
+-      env ${VARS_FOR_CARGO}
+-        ${Rust_CARGO}
+-          build --bin fish
+-          $<$<CONFIG:Release>:--release>
+-          $<$<CONFIG:RelWithDebInfo>:--profile=release-with-debug>
+-          --target ${Rust_CARGO_TARGET}
+-          --no-default-features
+-          --features=${FISH_CARGO_FEATURES}
+-          ${CARGO_FLAGS}
+-    &&
+-    "${CMAKE_COMMAND}" -E
+-      copy "${rust_target_dir}/${rust_profile}/fish" "${CMAKE_CURRENT_BINARY_DIR}"
++      copy "${FISH_RUST_BUILD_DIR}/${rust_profile}/fish" "${CMAKE_CURRENT_BINARY_DIR}"
+   WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+   USES_TERMINAL
+ )
+diff --git a/cmake/Rust.cmake b/cmake/Rust.cmake
+index d99e621e4..4d6b47f2a 100644
+--- a/cmake/Rust.cmake
++++ b/cmake/Rust.cmake
+@@ -1,7 +1,7 @@
+ include(FindRust)
+ find_package(Rust REQUIRED)
+ 
+-set(FISH_RUST_BUILD_DIR "${CMAKE_BINARY_DIR}/cargo/build")
++set(FISH_RUST_BUILD_DIR "${CMAKE_SOURCE_DIR}/target")
+ 
+ if(DEFINED ASAN)
+     list(APPEND CARGO_FLAGS "-Z" "build-std")
+@@ -18,7 +18,7 @@ else()
+     set(rust_target_dir "${FISH_RUST_BUILD_DIR}/${Rust_CARGO_HOST_TARGET}")
+ endif()
+ 
+-set(rust_profile $<IF:$<CONFIG:Debug>,debug,$<IF:$<CONFIG:RelWithDebInfo>,release-with-debug,release>>)
++set(rust_profile $<IF:$<CONFIG:Debug>,debug,release>)
+ 
+ option(WITH_GETTEXT "Build with gettext localization support. Requires `msgfmt` to work." ON)
+ # Enable gettext feature unless explicitly disabled.