ohmyzsh/oh-my-zsh.sh
mnv cc5981380a
Refactor and clean up Oh My Zsh initialization script
- Simplified the ANSI formatting function and its conditional definition.
- Improved grouping of related operations with clearer comments.
2024-10-02 23:56:18 +05:30

198 lines
5.8 KiB
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# ANSI formatting function
omz_format() {
[[ $# -gt 0 ]] || return
printf "\033[%sm" "$*"
}
# Disable formatting if stdout is not a terminal
[[ -t 1 ]] || omz_format() { :; }
# Check for Zsh
if [[ -z "$ZSH_VERSION" ]]; then
display_error() {
printf "%sError:%s %s\n" "$(omz_format 1 31)" "$(omz_format 22)" "$1"
}
display_error "Oh My Zsh can't be loaded from: $SHELL. Run zsh instead."
display_error "Process tree:"
ps -o ppid,pid,command -p $$ 2>/dev/null || ps -o ppid,pid,comm | awk "NR == 1 || index(\"$$\", \$2) != 0"
return 1
fi
# Check emulation mode
if [[ "$(emulate)" != zsh ]]; then
printf "%sError:%s Oh My Zsh can't be loaded in \`%s\` emulation mode.\n" "$(omz_format 1 31)" "$(omz_format 22)" "$(emulate)"
return 1
fi
# Set ZSH path if not defined
: ${ZSH:=${${(%):-%x}:a:h}}
# Set custom and cache directories
: ${ZSH_CUSTOM:=$ZSH/custom}
: ${ZSH_CACHE_DIR:=$ZSH/cache}
# Ensure cache directory is writable
if [[ ! -w "$ZSH_CACHE_DIR" ]]; then
ZSH_CACHE_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/oh-my-zsh"
fi
# Create cache and completions directories
mkdir -p "$ZSH_CACHE_DIR/completions"
fpath=("$ZSH_CACHE_DIR/completions" $fpath)
# Load necessary Zsh functions
autoload -U compaudit compinit zrecompile
# Plugin handling
is_plugin() {
local base_dir=$1 name=$2
[[ -f $base_dir/plugins/$name/$name.plugin.zsh ]] || [[ -f $base_dir/plugins/$name/_$name ]]
}
# Add plugins to fpath
for plugin in $plugins; do
if is_plugin "$ZSH_CUSTOM" "$plugin"; then
fpath=("$ZSH_CUSTOM/plugins/$plugin" $fpath)
elif is_plugin "$ZSH" "$plugin"; then
fpath=("$ZSH/plugins/$plugin" $fpath)
else
echo "[oh-my-zsh] plugin '$plugin' not found"
fi
done
# Figure out the SHORT hostname
if [[ "$OSTYPE" = darwin* ]]; then
# macOS's $HOST changes with dhcp, etc. Use ComputerName if possible.
SHORT_HOST=$(scutil --get ComputerName 2>/dev/null) || SHORT_HOST="${HOST/.*/}"
else
SHORT_HOST="${HOST/.*/}"
fi
# Save the location of the current completion dump file.
if [[ -z "$ZSH_COMPDUMP" ]]; then
ZSH_COMPDUMP="${ZDOTDIR:-$HOME}/.zcompdump-${SHORT_HOST}-${ZSH_VERSION}"
fi
# Construct zcompdump OMZ metadata
zcompdump_revision="#omz revision: $(builtin cd -q "$ZSH"; git rev-parse HEAD 2>/dev/null)"
zcompdump_fpath="#omz fpath: $fpath"
# Delete the zcompdump file if OMZ zcompdump metadata changed
if ! command grep -q -Fx "$zcompdump_revision" "$ZSH_COMPDUMP" 2>/dev/null \
|| ! command grep -q -Fx "$zcompdump_fpath" "$ZSH_COMPDUMP" 2>/dev/null; then
command rm -f "$ZSH_COMPDUMP"
zcompdump_refresh=1
fi
if [[ "$ZSH_DISABLE_COMPFIX" != true ]]; then
source "$ZSH/lib/compfix.zsh"
# Load only from secure directories
compinit -i -d "$ZSH_COMPDUMP"
# If completion insecurities exist, warn the user
handle_completion_insecurities &|
else
# If the user wants it, load from all found directories
compinit -u -d "$ZSH_COMPDUMP"
fi
# Append zcompdump metadata if missing
if (( $zcompdump_refresh )) \
|| ! command grep -q -Fx "$zcompdump_revision" "$ZSH_COMPDUMP" 2>/dev/null; then
# Use `tee` in case the $ZSH_COMPDUMP filename is invalid, to silence the error
# See https://github.com/ohmyzsh/ohmyzsh/commit/dd1a7269#commitcomment-39003489
tee -a "$ZSH_COMPDUMP" &>/dev/null <<EOF
$zcompdump_revision
$zcompdump_fpath
EOF
fi
unset zcompdump_revision zcompdump_fpath zcompdump_refresh
# zcompile the completion dump file if the .zwc is older or missing.
if command mkdir "${ZSH_COMPDUMP}.lock" 2>/dev/null; then
zrecompile -q -p "$ZSH_COMPDUMP"
command rm -rf "$ZSH_COMPDUMP.zwc.old" "${ZSH_COMPDUMP}.lock"
fi
_omz_source() {
local context filepath="$1"
# Construct zstyle context based on path
case "$filepath" in
lib/*) context="lib:${filepath:t:r}" ;; # :t = lib_name.zsh, :r = lib_name
plugins/*) context="plugins:${filepath:h:t}" ;; # :h = plugins/plugin_name, :t = plugin_name
esac
local disable_aliases=0
zstyle -T ":omz:${context}" aliases || disable_aliases=1
# Back up alias names prior to sourcing
local -A aliases_pre galiases_pre
if (( disable_aliases )); then
aliases_pre=("${(@kv)aliases}")
galiases_pre=("${(@kv)galiases}")
fi
# Source file from $ZSH_CUSTOM if it exists, otherwise from $ZSH
if [[ -f "$ZSH_CUSTOM/$filepath" ]]; then
source "$ZSH_CUSTOM/$filepath"
elif [[ -f "$ZSH/$filepath" ]]; then
source "$ZSH/$filepath"
fi
# Unset all aliases that don't appear in the backed up list of aliases
if (( disable_aliases )); then
if (( #aliases_pre )); then
aliases=("${(@kv)aliases_pre}")
else
(( #aliases )) && unalias "${(@k)aliases}"
fi
if (( #galiases_pre )); then
galiases=("${(@kv)galiases_pre}")
else
(( #galiases )) && unalias "${(@k)galiases}"
fi
fi
}
# Load all of the lib files in ~/oh-my-zsh/lib that end in .zsh
# TIP: Add files you don't want in git to .gitignore
for lib_file ("$ZSH"/lib/*.zsh); do
_omz_source "lib/${lib_file:t}"
done
unset lib_file
# Load all of the plugins that were defined in ~/.zshrc
for plugin ($plugins); do
_omz_source "plugins/$plugin/$plugin.plugin.zsh"
done
unset plugin
# Load all of your custom configurations from custom/
for config_file ("$ZSH_CUSTOM"/*.zsh(N)); do
source "$config_file"
done
unset config_file
# Load the theme
is_theme() {
local base_dir=$1
local name=$2
builtin test -f $base_dir/$name.zsh-theme
}
if [[ -n "$ZSH_THEME" ]]; then
if is_theme "$ZSH_CUSTOM" "$ZSH_THEME"; then
source "$ZSH_CUSTOM/$ZSH_THEME.zsh-theme"
elif is_theme "$ZSH_CUSTOM/themes" "$ZSH_THEME"; then
source "$ZSH_CUSTOM/themes/$ZSH_THEME.zsh-theme"
elif is_theme "$ZSH/themes" "$ZSH_THEME"; then
source "$ZSH/themes/$ZSH_THEME.zsh-theme"
else
echo "[oh-my-zsh] theme '$ZSH_THEME' not found"
fi
fi
# set completion colors to be the same as `ls`, after theme has been loaded
[[ -z "$LS_COLORS" ]] || zstyle ':completion:*' list-colors "${(s.:.)LS_COLORS}"