diff options
Diffstat (limited to 'oh-my-zsh.sh')
| -rw-r--r-- | oh-my-zsh.sh | 55 |
1 files changed, 51 insertions, 4 deletions
diff --git a/oh-my-zsh.sh b/oh-my-zsh.sh index 4025f0025..b388b341d 100644 --- a/oh-my-zsh.sh +++ b/oh-my-zsh.sh @@ -1,17 +1,64 @@ +# Protect against non-zsh execution of Oh My Zsh (use POSIX syntax here) +[ -n "$ZSH_VERSION" ] || { + # ANSI formatting function (\033[<code>m) + # 0: reset, 1: bold, 4: underline, 22: no bold, 24: no underline, 31: red, 33: yellow + omz_f() { + [ $# -gt 0 ] || return + IFS=";" printf "\033[%sm" $* + } + # If stdout is not a terminal ignore all formatting + [ -t 1 ] || omz_f() { :; } + + omz_ptree() { + # Get process tree of the current process + pid=$$; pids="$pid" + while [ ${pid-0} -ne 1 ] && ppid=$(ps -e -o pid,ppid | awk "\$1 == $pid { print \$2 }"); do + pids="$pids $pid"; pid=$ppid + done + + # Show process tree + case "$(uname)" in + Linux) ps -o ppid,pid,command -f -p $pids 2>/dev/null ;; + Darwin|*) ps -o ppid,pid,command -p $pids 2>/dev/null ;; + esac + + # If ps command failed, try Busybox ps + [ $? -eq 0 ] || ps -o ppid,pid,comm | awk "NR == 1 || index(\"$pids\", \$2) != 0" + } + + { + shell=$(ps -o pid,comm | awk "\$1 == $$ { print \$2 }") + printf "$(omz_f 1 31)Error:$(omz_f 22) Oh My Zsh can't be loaded from: $(omz_f 1)${shell}$(omz_f 22). " + printf "You need to run $(omz_f 1)zsh$(omz_f 22) instead.$(omz_f 0)\n" + printf "$(omz_f 33)Here's the process tree:$(omz_f 22)\n\n" + omz_ptree + printf "$(omz_f 0)\n" + } >&2 + + return 1 +} + +# If ZSH is not defined, use the current script's directory. +[[ -z "$ZSH" ]] && export ZSH="${${(%):-%x}:a:h}" + # Set ZSH_CACHE_DIR to the path where cache files should be created # or else we will use the default cache/ if [[ -z "$ZSH_CACHE_DIR" ]]; then ZSH_CACHE_DIR="$ZSH/cache" fi -# Migrate .zsh-update file to $ZSH_CACHE_DIR -if [ -f ~/.zsh-update ] && [ ! -f ${ZSH_CACHE_DIR}/.zsh-update ]; then - mv ~/.zsh-update ${ZSH_CACHE_DIR}/.zsh-update +# Make sure $ZSH_CACHE_DIR is writable, otherwise use a directory in $HOME +if [[ ! -w "$ZSH_CACHE_DIR" ]]; then + ZSH_CACHE_DIR="${XDG_CACHE_HOME:-$HOME/.cache}/oh-my-zsh" fi +# Create cache and completions dir and add to $fpath +mkdir -p "$ZSH_CACHE_DIR/completions" +(( ${fpath[(Ie)"$ZSH_CACHE_DIR/completions"]} )) || fpath=("$ZSH_CACHE_DIR/completions" $fpath) + # Check for updates on initial load... if [ "$DISABLE_AUTO_UPDATE" != "true" ]; then - env ZSH=$ZSH ZSH_CACHE_DIR=$ZSH_CACHE_DIR DISABLE_UPDATE_PROMPT=$DISABLE_UPDATE_PROMPT zsh -f $ZSH/tools/check_for_upgrade.sh + source $ZSH/tools/check_for_upgrade.sh fi # Initializes Oh My Zsh |