feat(fish): Switch shell to fish

tools/fish/conf.d/0init.fish

@@ -0,0 +1,137 @@
+# $DOTFILES/tools/fish/conf.d/0init.fish
+# Date: 2024-12-19
+# Author: js0ny
+# By dictionary order, this file is sourced first in fish shell
+# Define user-specific environment variables for fish
+
+# Location:
+# ~/.config/fish/conf.d/0init.fish (default location)
+# Linking: Link the whole directory for submodules
+# ln -sf $DOTFILES/tools/fish ~/.config/fish
+
+
+set -gx DOTFILES $HOME/.dotfiles
+# XDG Base Directory Specification
+set -gx XDG_CONFIG_HOME (set -q XDG_CONFIG_HOME; and echo $XDG_CONFIG_HOME; or echo $HOME/.config)
+set -gx XDG_DATA_HOME (set -q XDG_DATA_HOME; and echo $XDG_DATA_HOME; or echo $HOME/.local/share)
+set -gx XDG_STATE_HOME (set -q XDG_STATE_HOME; and echo $XDG_STATE_HOME; or echo $HOME/.local/state)
+set -gx XDG_CACHE_HOME (set -q XDG_CACHE_HOME; and echo $XDG_CACHE_HOME; or echo $HOME/.cache)
+set -gx XDG_RUNTIME_DIR /run/user/(id -u)
+
+set -gx PAGER "less -R"
+set -gx EDITOR nvim
+set -gx VISUAL nvim
+
+# Minimal PATH for early commands
+set -gx PATH /usr/local/bin /usr/bin /bin /usr/sbin /sbin ~/.local/bin $PATH
+
+if test -d /opt/homebrew/bin # macOS
+    set -gx PATH /opt/homebrew/bin $PATH
+else if test -d /home/linuxbrew/.linuxbrew/bin # Linux
+    set -gx PATH /home/linuxbrew/.linuxbrew/bin $PATH
+end
+
+
+# Azure CLI
+if command -v az > /dev/null
+    set -gx AZURE_CONFIG_DIR $XDG_DATA_HOME/azure
+end
+# Bun JS
+if command -v bun > /dev/null
+    set -gx BUN_INSTALL "$XDG_DATA_HOME/bun"
+    set -gx PATH $BUN_INSTALL/bin $PATH
+end
+# Rust Cargo
+if command -v cargo > /dev/null
+    set -gx CARGO_HOME $XDG_DATA_HOME/cargo
+    set -gx PATH $CARGO_HOME/bin $PATH
+end
+# CGDB
+if command -v cgdb > /dev/null
+    set -gx CGDB_DIR $XDG_CONFIG_HOME/cgdb
+end
+# .NET
+if command -v dotnet > /dev/null
+    set -gx DOTNET_CLI_HOME $XDG_DATA_HOME/dotnet
+    set -gx PATH $DOTNET_CLI_HOME/.dotnet/tools $PATH
+end
+# Docker
+if command -v docker > /dev/null
+    set -gx DOCKER_CONFIG $XDG_CONFIG_HOME/docker
+end
+# GnuPG
+if command -v gpg > /dev/null
+    set -gx GNUPGHOME $XDG_DATA_HOME/gnupg
+end
+# Go
+if command -v go > /dev/null
+    set -gx GOPATH $XDG_DATA_HOME/go
+    set PATH $GOPATH/bin $PATH
+end
+# Julia
+if command -v julia > /dev/null
+    set -gx JULIA_DEPOT_PATH $XDG_DATA_HOME/julia
+end
+# Node.js
+if command -v node > /dev/null
+    set -gx NODE_REPL_HISTORY $XDG_STATE_HOME/node/repl_history
+    set -gx TS_NODE_REPL_HISTORY $XDG_STATE_HOME/node/ts_repl_history
+    set -gx NPM_CONFIG_USERCONFIG $XDG_CONFIG_HOME/npm/npmrc
+    set -gx NPM_CONFIG_INIT_MODULE $XDG_CONFIG_HOME/npm/config/npm-init.js
+    set -gx NPM_CONFIG_CACHE $XDG_CACHE_HOME/npm
+    set -gx NPM_CONFIG_TMP $XDG_RUNTIME_DIR/npm
+end
+# Parallel
+if command -v parallel > /dev/null
+    set -gx PARALLEL_CONFIG $XDG_CONFIG_HOME/parallel
+end
+# Python
+# Works only with Python 3.13.0a3 and later
+if command -v python3 > /dev/null
+    set -gx PYTHON_HISTORY $XDG_DATA_HOME/python/history
+end
+# GNU Screen
+if command -v screen > /dev/null
+    set -gx SCREENRC $XDG_CONFIG_HOME/screen/screenrc
+    set -gx SCREENDIR $XDG_RUNTIME_DIR/screen
+end
+# Ruby Gem
+if command -v gem > /dev/null
+    for dir in $HOME/.local/share/gem/ruby/*/bin
+        if test -d $dir
+            set -gx PATH $dir $PATH
+        end
+    end
+end
+# Spacemacs
+if command -v emacs > /dev/null
+    set -gx SPACEMACSDIR $XDG_CONFIG_HOME/spacemacs
+end
+# tldr
+if command -v tldr > /dev/null
+    set -gx TLDR_CACHE_DIR $XDG_CACHE_HOME/tldr
+end
+# W3M
+if command -v w3m > /dev/null
+    set -gx W3M_DIR $XDG_DATA_HOME/w3m
+end
+# Wakatime
+if command -v wakatime > /dev/null
+    set -gx WAKATIME_HOME $XDG_CONFIG_HOME/wakatime
+end
+# Wget
+if command -v wget > /dev/null
+    alias wget="wget --hsts-file=$XDG_CACHE_HOME/wget-hsts"
+end
+# z
+if command -v z > /dev/null
+    set -gx _Z_DATA $XDG_DATA_HOME/z
+end
+if command -v tldr > /dev/null
+    set -gx TLDR_CACHE_DIR $XDG_CACHE_HOME/tldr
+end
+if status is-interactive
+    if command -v ipython > /dev/null
+        set IPYTHONDIR $XDG_CONFIG_HOME/ipython
+    end
+end