brew/Library/Homebrew/cmd/update-reset.sh
2019-11-21 16:18:46 -05:00

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#: * `update-reset` [<repository>]
#:
#: Fetch and reset Homebrew and all tap repositories (or any specified <repository>) using `git`(1) to their latest `origin/master`.
#:
#: *Note:* this will destroy all your uncommitted or committed changes.
homebrew-update-reset() {
local DIR
local -a REPOS=()
for option in "$@"
do
case "$option" in
-\?|-h|--help|--usage) brew help update-reset; exit $? ;;
--debug) HOMEBREW_DEBUG=1 ;;
-*)
[[ "$option" = *d* ]] && HOMEBREW_DEBUG=1
;;
*)
REPOS+=("$option")
;;
esac
done
if [[ -n "$HOMEBREW_DEBUG" ]]
then
set -x
fi
if [[ -z "${REPOS[*]}" ]]
then
REPOS+=("$HOMEBREW_REPOSITORY" "$HOMEBREW_LIBRARY"/Taps/*/*)
fi
for DIR in "${REPOS[@]}"
do
[[ -d "$DIR/.git" ]] || continue
cd "$DIR" || continue
ohai "Fetching $DIR..."
git fetch --force --tags origin
echo
ohai "Resetting $DIR..."
git checkout --force -B master origin/master
echo
done
}