"Shawn O. Pearce" <spearce@xxxxxxxxxxx> writes:
> +__gitcomp ()
> +{
> + local all c s=$'\n' IFS=' '$'\t'$'\n'
> + for c in $1; do
> + case "$c" in
> + --*=*) all="$all$c$s" ;;
> + *) all="$all$c $s" ;;
> + esac
> + done
> + IFS=$s
> + COMPREPLY=($(compgen -W "$all" -- "${COMP_WORDS[COMP_CWORD]}"))
> + return
> +}
> +
I do not understand what is going on here. Care to explain?
(1) "for c in $1": because $1 is not dquoted, it is split into
word with IFS -- which IFS applies to this splitting? The
local one you hand-define to the typical " \t\n" value?
(2) when this function returns, what IFS value does the caller
would have? Is the "local" used to avoid screwing up the
caller?
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