component/fish-shell: initial addition

The user-friendly command line shell. https://fishshell.com

component/fish-shell/buildout.cfg

+# The user-friendly command line shell. https://fishshell.com
+
+[buildout]
+parts = fish-shell
+extends =
+  ../cmake/buildout.cfg
+  ../zlib/buildout.cfg
+  ../bzip2/buildout.cfg
+  ../ncurses/buildout.cfg
+  ../readline/buildout.cfg
+  ../gettext/buildout.cfg
+
+[fish-shell]
+recipe = slapos.recipe.cmmi
+shared = true
+url = https://github.com/fish-shell/fish-shell/releases/download/3.1.0/fish-3.1.0.tar.gz
+md5sum = 8c9995a5a6d07ce05a1413ca24e16691
+configure-command = ${cmake:location}/bin/cmake
+configure-options =
+  -DCMAKE_INSTALL_PREFIX=${:location}
+  -DCMAKE_C_FLAGS="${:CMAKE_CFLAGS}"
+  -DCMAKE_CXX_FLAGS="${:CMAKE_CFLAGS}"
+  -DCMAKE_INSTALL_RPATH=${:CMAKE_LIBRARY_PATH}
+environment =
+  CMAKE_PROGRAM_PATH=${cmake:location}/bin
+  CMAKE_INCLUDE_PATH=${bzip2:location}/include:${zlib:location}/include:${ncurses:location}/include:${gettext:location}/include:${readline:location}/include
+  CMAKE_LIBRARY_PATH=${:CMAKE_LIBRARY_PATH}
+  LDFLAGS=-L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib -L${gettext:location}/lib -Wl,-rpath=${gettext:location}/lib
+
+CMAKE_CFLAGS = -I${bzip2:location}/include -I${zlib:location}/include -I${ncurses:location}/include -I${gettext:location}/include -I${readline:location}/include
+CMAKE_LIBRARY_PATH = ${bzip2:location}/lib:${zlib:location}/lib:${ncurses:location}/lib:${gettext:location}/lib:${readline:location}/lib
+location = @@LOCATION@@