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@@ -1,8 +1,40 @@
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# Protect against non-zsh execution of Oh My Zsh (use POSIX syntax here)
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[ -n "$ZSH_VERSION" ] || {
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- # ANSI (\033[<code>m): 0: reset, 1: bold, 4: underline, 22: no bold, 24: no underline, 31: red
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- printf "\033[1;31mERROR:\033[22m Oh My Zsh can't be loaded from: \033[1m${0#-}\033[22m. " >&2
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- printf "You need to run \033[1;4mzsh\033[22;24m instead.\033[0m\n" >&2
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+ # ANSI formatting function (\033[<code>m)
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+ # 0: reset, 1: bold, 4: underline, 22: no bold, 24: no underline, 31: red, 33: yellow
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+ f() {
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+ [ $# -gt 0 ] || return
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+ IFS=";" printf "\033[%sm" $*
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+ }
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+ # If stdout is not a terminal ignore all formatting
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+ [ -t 1 ] || f() { :; }
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+
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+ ptree() {
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+ # Get process tree of the current process
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+ pid=$$; pids="$pid"
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+ while [ ${pid-0} -ne 1 ] && ppid=$(ps -e -o pid,ppid | awk "\$1 == $pid { print \$2 }"); do
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+ pids="$pids $pid"; pid=$ppid
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+ done
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+
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+ # Show process tree
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+ case "$(uname)" in
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+ Linux) ps -o ppid,pid,command -f -p $pids 2>/dev/null ;;
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+ Darwin|*) ps -o ppid,pid,command -p $pids 2>/dev/null ;;
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+ esac
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+
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+ # If ps command failed, try Busybox ps
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+ [ $? -eq 0 ] || ps -o ppid,pid,comm | awk "NR == 1 || index(\"$pids\", \$2) != 0"
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+ }
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+
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+ {
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+ shell=$(ps -o pid,comm | awk "\$1 == $$ { print \$2 }")
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+ printf "$(f 1 31)Error:$(f 22) Oh My Zsh can't be loaded from: $(f 1)${shell}$(f 22). "
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+ printf "You need to run $(f 1)zsh$(f 22) instead.$(f 0)\n"
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+ printf "$(f 33)Here's the process tree:$(f 22)\n\n"
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+ ptree
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+ printf "$(f 0)\n"
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+ } >&2
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+
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return 1
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}
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