102 lines
3.5 KiB
Bash
102 lines
3.5 KiB
Bash
if [[ -z "$ZSHRC_UPDATE_ASYNC_CHILD" && -z "$ZSHRC_UPDATE_SYNC" ]]; then
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_zshrc_start_async_update() {
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if (( $+functions[add-zsh-hook] )); then
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add-zsh-hook -d precmd _zshrc_start_async_update 2>/dev/null
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fi
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(
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export ZSHRC_UPDATE_ASYNC_CHILD=1
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export SCR
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export PATH="$SCR/bin:$PATH"
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exec zsh -f "$SCR/includes/init/update.sh"
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) &!
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unset -f _zshrc_start_async_update 2>/dev/null
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}
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if [[ -o interactive ]]; then
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autoload -Uz add-zsh-hook
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add-zsh-hook -d precmd _zshrc_start_async_update 2>/dev/null
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add-zsh-hook precmd _zshrc_start_async_update
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else
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_zshrc_start_async_update
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fi
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return 0 2>/dev/null || exit 0
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fi
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old_pwd="$PWD"
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cd "$SCR" || { cd "$old_pwd" 2>/dev/null; return 0 2>/dev/null || exit 0; }
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export PATH="$SCR/bin:$PATH"
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prefix="&7[&3zshrc&7]"
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remote_ref="${ZSHRC_UPDATE_REF:-origin/master}"
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lock_dir="$SCR/.git/zshrc-update.lock"
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if ! mkdir "$lock_dir" 2>/dev/null; then
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cd "$old_pwd" 2>/dev/null
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return 0 2>/dev/null || exit 0
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fi
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_zshrc_update_cleanup() {
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rmdir "$lock_dir" 2>/dev/null
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cd "$old_pwd" 2>/dev/null
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}
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trap _zshrc_update_cleanup EXIT INT TERM
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_zshrc_stash_created=0
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_zshrc_stash_if_needed() {
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if ! git diff --quiet --ignore-submodules -- \
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|| ! git diff --cached --quiet --ignore-submodules -- \
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|| [[ -n "$(git ls-files --others --exclude-standard)" ]]; then
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if git stash push -u -m "zshrc auto-update before applying $remote_ref" >/dev/null; then
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_zshrc_stash_created=1
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fi
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fi
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}
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_zshrc_restore_stash() {
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if [[ "$_zshrc_stash_created" == "1" ]]; then
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git stash pop >/dev/null || color "$prefix &cUpdated, but saved local changes need manual conflict resolution."
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fi
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}
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# Check for updates
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if git fetch origin --quiet && git rev-parse --verify --quiet "$remote_ref" >/dev/null; then
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# Handle rewritten or force-pushed history. This keeps auto-update working
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# after repository cleanup that removes old large objects.
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if ! git merge-base --is-ancestor HEAD "$remote_ref" 2>/dev/null; then
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color "$prefix &cRepo history changed. Resetting local zshrc to $remote_ref..."
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_zshrc_stash_if_needed
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if git reset --hard "$remote_ref" && git submodule update --init --recursive --depth 1; then
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_zshrc_restore_stash
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color "$prefix &aUpdated after history rewrite! Open a new shell to use the latest zshrc."
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else
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color "$prefix &cUpdate failed!"
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fi
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else
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reslog=$(git log HEAD.."$remote_ref" --oneline)
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if [[ "${reslog}" != "" ]] ; then
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# Has updates
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color "$prefix &cYour zshrc is outdated. Automatically updating..."
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# Try to fast-forward without invoking git pull's merge/rebase behavior.
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_zshrc_stash_if_needed
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if git merge --ff-only "$remote_ref" && git submodule update --init --recursive --depth 1; then
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_zshrc_restore_stash
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color "$prefix &aUpdated! Open a new shell to use the latest zshrc."
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else
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color "$prefix &cUpdate failed!"
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fi
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fi
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fi
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elif [[ -n "$ZSHRC_UPDATE_VERBOSE" ]]; then
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color "$prefix &cUpdate check failed!"
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fi
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unset -f _zshrc_stash_if_needed _zshrc_restore_stash 2>/dev/null
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_zshrc_update_cleanup
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trap - EXIT INT TERM
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unset -f _zshrc_update_cleanup 2>/dev/null
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unset _zshrc_stash_created remote_ref reslog lock_dir old_pwd
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