Move ~/.binenv to XDG directory paths

This commit changes the installation locations for `binenv` to conform
to XDG directory specifications.

Specifically, there are now two new environment variables:
 1. `BINENV_BINDIR` (pointing to `$XDG_DATA_HOME/binenv/`) is the
    location where binenv itself and all the downloaded/installed
    binaries are stored
 2. `BINENV_BINDIR` (pointing directly to `$XDG_BIN_HOME`) is the
    location where binenv creates symlinks to its `shim`

Note that this change requires complete reinstall of `binenv`, including
all currently managed tools:
 1. Uninstall _all_ binaries managed by binenv
 2. `rm -rf ~/.binenv ~/.config/binenv ~/.cache/binenv`
 3. Reload current shell (e.g., `omz reload`)
 4. Run `make binenv` (or `make binenv-tools`)
 5. Re-install all the tools

.config/zsh/.zshenv

@@ -55,7 +55,8 @@ alias rpm="rpm --dbpath=${XDG_CACHE_HOME}/rpmdb"
 export CUDA_CACHE_PATH=${XDG_CACHE_HOME}/nv
 
 # Binenv
-export BINENV_HOME=${HOME}/.binenv
+export BINENV_BINDIR=${XDG_DATA_HOME}/binenv
+export BINENV_LINKDIR=${XDG_BIN_HOME}
 
 # Rust
 #  - See: https://doc.rust-lang.org/cargo/reference/environment-variables.html
@@ -268,7 +269,6 @@ path+=${GOBIN}
 path+=${GEM_BIN}
 path+=${KREW_BIN}
 path+="/usr/local/bin"
-path+=${BINENV_HOME}
 path+="${CABAL_DIR}/bin"
 path+="${COURSIER_BIN_DIR}"
 path+="${XDG_DATA_HOME}/npm/bin"

Makefile

@@ -15,6 +15,9 @@ ZDOTDIR ?= $(XDG_CONFIG_HOME)/zsh
 ZSH ?= $(XDG_DATA_HOME)/oh-my-zsh
 ZSH_CUSTOM ?= $(ZSH)/custom
 
+BINENV_BINDIR ?= $(XDG_DATA_HOME)/binenv
+BINENV_LINKDIR ?= $(XDG_BIN_HOME)
+
 FZF_BASE ?= $(XDG_DATA_HOME)/fzf
 
 BASE16_FZF_HOME ?= $(XDG_CONFIG_HOME)/base16-fzf
@@ -534,7 +537,7 @@ binenv: BINENV_BIN := binenv_linux_$(DIST_ARCH)
 binenv: DOWNLOAD_DIR := $(shell mktemp -d)
 binenv: $(ZSH_COMPLETIONS) net-tools
 ifneq ($(shell which binenv 2> /dev/null),)
-	@echo ">>> $@ already installed to '$(BINENV_HOME)'"
+	@echo ">>> $@ already installed to '$(BINENV_BINDIR)'"
 else
 	@echo ">>> Downloading $@"
 	$(WGET) -q -P $(DOWNLOAD_DIR) \
@@ -545,9 +548,10 @@ else
 		sha256sum -c --strict --status --ignore-missing checksums.txt) || \
 		(echo ">>> Failed to verify checksum" && rm -rf $(DOWNLOAD_DIR) && exit 1)
 	@echo ">>> Installing $@"
-	@chmod +x "$(DOWNLOAD_DIR)/$(BINENV_BIN)"
-	"$(DOWNLOAD_DIR)/$(BINENV_BIN)" update
-	"$(DOWNLOAD_DIR)/$(BINENV_BIN)" install $@
+	@mv "$(DOWNLOAD_DIR)/$(BINENV_BIN)" "$(DOWNLOAD_DIR)/$@"
+	@chmod +x "$(DOWNLOAD_DIR)/$@"
+	"$(DOWNLOAD_DIR)/$@" update
+	"$(DOWNLOAD_DIR)/$@" install $@
 	@echo ">>> Generating zsh completions for $@"
 	$@ completion zsh > $</_$@
 	@echo ">>> Finish $@ completion setup by reloading zsh with 'omz reload'"