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prezto/modules/git/functions/git-stash-clear-interactive

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#
# Asks for confirmation before clearing the Git stash.
#
# Authors:
# Sorin Ionescu <sorin.ionescu@gmail.com>
#
# function git-stash-clear-interactive {
if ! is-true "$(command git rev-parse --is-inside-work-tree 2> /dev/null)"; then
print "$0: not a repository work tree: $PWD" >&2
return 1
fi
local stashed
if [[ -f "$(git-dir)/refs/stash" ]]; then
stashed=${#${(f)"$(command git stash list 2> /dev/null)"}}
if (( $stashed > 0 )); then
if read -q "?Clear $stashed stashed state(s) [y/N]? "; then
command git stash clear
fi
fi
fi
# }