330 lines
13 KiB
Nix
330 lines
13 KiB
Nix
{ stdenv
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, lib
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, fetchurl
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, fetchpatch
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, coreutils
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, which
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, gnused
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, gnugrep
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, groff
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, gawk
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, man-db
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, getent
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, libiconv
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, pcre2
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, gettext
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, ncurses
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, python3
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, cmake
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, fishPlugins
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, procps
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# used to generate autocompletions from manpages and for configuration editing in the browser
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, usePython ? true
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, runCommand
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, writeText
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, nixosTests
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, useOperatingSystemEtc ? true
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# An optional string containing Fish code that initializes the environment.
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# This is run at the very beginning of initialization. If it sets $NIX_PROFILES
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# then Fish will use that to configure its function, completion, and conf.d paths.
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# For example:
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# fishEnvPreInit = "source /etc/fish/my-env-preinit.fish";
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# It can also be a function that takes one argument, which is a function that
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# takes a path to a bash file and converts it to fish. For example:
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# fishEnvPreInit = source: source "${nix}/etc/profile.d/nix-daemon.sh";
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, fishEnvPreInit ? null
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}:
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let
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etcConfigAppendix = writeText "config.fish.appendix" ''
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############### ↓ Nix hook for sourcing /etc/fish/config.fish ↓ ###############
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# #
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# Origin:
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# This fish package was called with the attribute
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# "useOperatingSystemEtc = true;".
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#
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# Purpose:
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# Fish ordinarily sources /etc/fish/config.fish as
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# $__fish_sysconfdir/config.fish,
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# and $__fish_sysconfdir is defined at compile-time, baked into the C++
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# component of fish. By default, it is set to "/etc/fish". When building
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# through Nix, $__fish_sysconfdir gets set to $out/etc/fish. Here we may
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# have included a custom $out/etc/config.fish in the fish package,
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# as specified, but according to the value of useOperatingSystemEtc, we
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# may want to further source the real "/etc/fish/config.fish" file.
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#
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# When this option is enabled, this segment should appear the very end of
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# "$out/etc/config.fish". This is to emulate the behavior of fish itself
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# with respect to /etc/fish/config.fish and ~/.config/fish/config.fish:
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# source both, but source the more global configuration files earlier
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# than the more local ones, so that more local configurations inherit
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# from but override the more global locations.
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#
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# Special care needs to be taken, when fish is called from an FHS user env
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# or similar setup, because this configuration file will then be relocated
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# to /etc/fish/config.fish, so we test for this case to avoid nontermination.
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if test -f /etc/fish/config.fish && test /etc/fish/config.fish != (status filename)
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source /etc/fish/config.fish
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end
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# #
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############### ↑ Nix hook for sourcing /etc/fish/config.fish ↑ ###############
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'';
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fishPreInitHooks = writeText "__fish_build_paths_suffix.fish" ''
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# source nixos environment
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# note that this is required:
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# 1. For all shells, not just login shells (mosh needs this as do some other command-line utilities)
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# 2. Before the shell is initialized, so that config snippets can find the commands they use on the PATH
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builtin status --is-login
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or test -z "$__fish_nixos_env_preinit_sourced" -a -z "$ETC_PROFILE_SOURCED" -a -z "$ETC_ZSHENV_SOURCED"
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${if fishEnvPreInit != null then ''
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and begin
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${lib.removeSuffix "\n" (if lib.isFunction fishEnvPreInit then fishEnvPreInit sourceWithFenv else fishEnvPreInit)}
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end'' else ''
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and test -f /etc/fish/nixos-env-preinit.fish
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and source /etc/fish/nixos-env-preinit.fish''}
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and set -gx __fish_nixos_env_preinit_sourced 1
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test -n "$NIX_PROFILES"
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and begin
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# We ensure that __extra_* variables are read in $__fish_datadir/config.fish
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# with a preference for user-configured data by making sure the package-specific
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# data comes last. Files are loaded/sourced in encounter order, duplicate
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# basenames get skipped, so we assure this by prepending Nix profile paths
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# (ordered in reverse of the $NIX_PROFILE variable)
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#
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# Note that at this point in evaluation, there is nothing whatsoever on the
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# fish_function_path. That means we don't have most fish builtins, e.g., `eval`.
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# additional profiles are expected in order of precedence, which means the reverse of the
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# NIX_PROFILES variable (same as config.environment.profiles)
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set -l __nix_profile_paths (string split ' ' $NIX_PROFILES)[-1..1]
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set -p __extra_completionsdir \
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$__nix_profile_paths"/etc/fish/completions" \
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$__nix_profile_paths"/share/fish/vendor_completions.d"
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set -p __extra_functionsdir \
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$__nix_profile_paths"/etc/fish/functions" \
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$__nix_profile_paths"/share/fish/vendor_functions.d"
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set -p __extra_confdir \
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$__nix_profile_paths"/etc/fish/conf.d" \
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$__nix_profile_paths"/share/fish/vendor_conf.d"
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end
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'';
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# This is wrapped in begin/end in case the user wants to apply redirections.
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# This does mean the basic usage of sourcing a single file will produce
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# `begin; begin; …; end; end` but that's ok.
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sourceWithFenv = path: ''
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begin # fenv
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# This happens before $__fish_datadir/config.fish sets fish_function_path, so it is currently
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# unset. We set it and then completely erase it, leaving its configuration to $__fish_datadir/config.fish
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set fish_function_path ${fishPlugins.foreign-env}/share/fish/vendor_functions.d $__fish_datadir/functions
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fenv source ${lib.escapeShellArg path}
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set -l fenv_status $status
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# clear fish_function_path so that it will be correctly set when we return to $__fish_datadir/config.fish
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set -e fish_function_path
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test $fenv_status -eq 0
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end # fenv
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'';
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fish = stdenv.mkDerivation rec {
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pname = "fish";
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version = "3.4.0";
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src = fetchurl {
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# There are differences between the release tarball and the tarball GitHub
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# packages from the tag. Specifically, it comes with a file containing its
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# version, which is used in `build_tools/git_version_gen.sh` to determine
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# the shell's actual version (and what it displays when running `fish
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# --version`), as well as the local documentation for all builtins (and
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# maybe other things).
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url = "https://github.com/fish-shell/fish-shell/releases/download/${version}/${pname}-${version}.tar.xz";
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sha256 = "sha256-tbSKuEhrGe9xajL39GuIuepTVhVfDpZ+6Z9Ak2RUE8U=";
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};
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# Fix FHS paths in tests
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postPatch = ''
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# src/fish_tests.cpp
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sed -i 's|/bin/ls|${coreutils}/bin/ls|' src/fish_tests.cpp
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sed -i 's|is_potential_path(L"/usr"|is_potential_path(L"/nix"|' src/fish_tests.cpp
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sed -i 's|L"/bin/echo"|L"${coreutils}/bin/echo"|' src/fish_tests.cpp
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sed -i 's|L"/bin/c"|L"${coreutils}/bin/c"|' src/fish_tests.cpp
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sed -i 's|L"/bin/ca"|L"${coreutils}/bin/ca"|' src/fish_tests.cpp
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# tests/checks/cd.fish
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sed -i 's|/bin/pwd|${coreutils}/bin/pwd|' tests/checks/cd.fish
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# tests/checks/redirect.fish
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sed -i 's|/bin/echo|${coreutils}/bin/echo|' tests/checks/redirect.fish
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# tests/checks/vars_as_commands.fish
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sed -i 's|/usr/bin|${coreutils}/bin|' tests/checks/vars_as_commands.fish
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# tests/checks/jobs.fish
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sed -i 's|ps -o stat|${procps}/bin/ps -o stat|' tests/checks/jobs.fish
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sed -i 's|/bin/echo|${coreutils}/bin/echo|' tests/checks/jobs.fish
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# tests/checks/job-control-noninteractive.fish
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sed -i 's|/bin/echo|${coreutils}/bin/echo|' tests/checks/job-control-noninteractive.fish
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# tests/checks/complete.fish
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sed -i 's|/bin/ls|${coreutils}/bin/ls|' tests/checks/complete.fish
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'' + lib.optionalString stdenv.isDarwin ''
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# Tests use pkill/pgrep which are currently not built on Darwin
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# See https://github.com/NixOS/nixpkgs/pull/103180
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rm tests/pexpects/exit.py
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rm tests/pexpects/job_summary.py
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rm tests/pexpects/signals.py
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'' + lib.optionalString (stdenv.isLinux && stdenv.isAarch64) ''
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# pexpect tests are flaky on aarch64-linux
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# See https://github.com/fish-shell/fish-shell/issues/8789
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rm tests/pexpects/exit_handlers.py
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'';
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nativeBuildInputs = [
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cmake
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gettext
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];
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buildInputs = [
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ncurses
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libiconv
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pcre2
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];
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cmakeFlags = [
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"-DCMAKE_INSTALL_DOCDIR=${placeholder "out"}/share/doc/fish"
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] ++ lib.optionals stdenv.isDarwin [
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"-DMAC_CODESIGN_ID=OFF"
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];
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# The optional string is kind of an inelegant way to get fish to cross compile.
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# Fish needs coreutils as a runtime dependency, and it gets put into
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# CMAKE_PREFIX_PATH, which cmake uses to look up build time programs, so it
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# was clobbering the PATH. It probably needs to be fixed at a lower level.
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preConfigure = ''
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patchShebangs ./build_tools/git_version_gen.sh
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'' + lib.optionalString (stdenv.hostPlatform != stdenv.buildPlatform) ''
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export CMAKE_PREFIX_PATH=
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'';
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# Required binaries during execution
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propagatedBuildInputs = [
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coreutils
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gnugrep
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gnused
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groff
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gettext
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] ++ lib.optional (!stdenv.isDarwin) man-db;
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doCheck = true;
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checkInputs = [
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coreutils
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(python3.withPackages (ps: [ ps.pexpect ]))
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procps
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];
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checkPhase = ''
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make test
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'';
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postInstall = with lib; ''
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sed -r "s|command grep|command ${gnugrep}/bin/grep|" \
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-i "$out/share/fish/functions/grep.fish"
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sed -e "s|\|cut|\|${coreutils}/bin/cut|" \
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-i "$out/share/fish/functions/fish_prompt.fish"
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sed -e "s|uname|${coreutils}/bin/uname|" \
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-i "$out/share/fish/functions/__fish_pwd.fish" \
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"$out/share/fish/functions/prompt_pwd.fish"
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sed -e "s|sed |${gnused}/bin/sed |" \
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-i "$out/share/fish/functions/alias.fish" \
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"$out/share/fish/functions/prompt_pwd.fish"
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sed -i "s|nroff|${groff}/bin/nroff|" \
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"$out/share/fish/functions/__fish_print_help.fish"
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sed -e "s|clear;|${getBin ncurses}/bin/clear;|" \
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-i "$out/share/fish/functions/fish_default_key_bindings.fish"
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sed -i "s|/usr/local/sbin /sbin /usr/sbin||" \
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$out/share/fish/completions/{sudo.fish,doas.fish}
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sed -e "s| awk | ${gawk}/bin/awk |" \
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-i $out/share/fish/functions/{__fish_print_packages.fish,__fish_print_addresses.fish,__fish_describe_command.fish,__fish_complete_man.fish,__fish_complete_convert_options.fish} \
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$out/share/fish/completions/{cwebp,adb,ezjail-admin,grunt,helm,heroku,lsusb,make,p4,psql,rmmod,vim-addons}.fish
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'' + optionalString usePython ''
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cat > $out/share/fish/functions/__fish_anypython.fish <<EOF
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function __fish_anypython
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echo ${python3.interpreter}
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return 0
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end
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EOF
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'' + optionalString stdenv.isLinux ''
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for cur in $out/share/fish/functions/*.fish; do
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sed -e "s|/usr/bin/getent|${getent}/bin/getent|" \
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-i "$cur"
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done
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'' + optionalString (!stdenv.isDarwin) ''
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sed -i "s|Popen(\['manpath'|Popen(\['${man-db}/bin/manpath'|" \
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"$out/share/fish/tools/create_manpage_completions.py"
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sed -i "s|command manpath|command ${man-db}/bin/manpath|" \
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"$out/share/fish/functions/man.fish"
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'' + optionalString useOperatingSystemEtc ''
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tee -a $out/etc/fish/config.fish < ${etcConfigAppendix}
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'' + ''
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tee -a $out/share/fish/__fish_build_paths.fish < ${fishPreInitHooks}
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'';
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meta = with lib; {
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description = "Smart and user-friendly command line shell";
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homepage = "https://fishshell.com/";
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license = licenses.gpl2;
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platforms = platforms.unix;
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maintainers = with maintainers; [ cole-h ];
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};
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passthru = {
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shellPath = "/bin/fish";
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tests = {
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nixos = nixosTests.fish;
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# Test the fish_config tool by checking the generated splash page.
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# Since the webserver requires a port to run, it is not started.
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fishConfig =
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let fishScript = writeText "test.fish" ''
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set -x __fish_bin_dir ${fish}/bin
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echo $__fish_bin_dir
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cp -r ${fish}/share/fish/tools/web_config/* .
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chmod -R +w *
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# if we don't set `delete=False`, the file will get cleaned up
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# automatically (leading the test to fail because there's no
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# tempfile to check)
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sed -e 's@, mode="w"@, mode="w", delete=False@' -i webconfig.py
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# we delete everything after the fileurl is assigned
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sed -e '/fileurl =/q' -i webconfig.py
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echo "print(fileurl)" >> webconfig.py
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# and check whether the message appears on the page
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cat (${python3}/bin/python ./webconfig.py \
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| tail -n1 | sed -ne 's|.*\(/build/.*\)|\1|p' \
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) | grep 'a href="http://localhost.*Start the Fish Web config'
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# cannot test the http server because it needs a localhost port
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'';
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in
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runCommand "test-web-config" { } ''
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HOME=$(mktemp -d)
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${fish}/bin/fish ${fishScript} && touch $out
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'';
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};
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};
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};
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in
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fish
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