89 lines
2.8 KiB
Bash
89 lines
2.8 KiB
Bash
# Migrate .zsh-update file to $ZSH_CACHE_DIR
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if [[ -f ~/.zsh-update && ! -f "${ZSH_CACHE_DIR}/.zsh-update" ]]; then
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mv ~/.zsh-update "${ZSH_CACHE_DIR}/.zsh-update"
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fi
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# Cancel update if:
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# - the automatic update is disabled.
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# - the current user doesn't have write permissions nor owns the $ZSH directory.
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# - git is unavailable on the system.
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if [[ "$DISABLE_AUTO_UPDATE" = true ]] \
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|| [[ ! -w "$ZSH" || ! -O "$ZSH" ]] \
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|| ! command -v git &>/dev/null; then
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return
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fi
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function current_epoch() {
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zmodload zsh/datetime
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echo $(( EPOCHSECONDS / 60 / 60 / 24 ))
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}
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function update_last_updated_file() {
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echo "LAST_EPOCH=$(current_epoch)" >! "${ZSH_CACHE_DIR}/.zsh-update"
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}
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function update_ohmyzsh() {
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ZSH="$ZSH" sh "$ZSH/tools/upgrade.sh"
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update_last_updated_file
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}
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() {
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emulate -L zsh
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local epoch_target mtime option LAST_EPOCH
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# Remove lock directory if older than a day
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zmodload zsh/datetime
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zmodload -F zsh/stat b:zstat
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if mtime=$(zstat +mtime "$ZSH/log/update.lock" 2>/dev/null); then
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if (( (mtime + 3600 * 24) < EPOCHSECONDS )); then
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command rm -rf "$ZSH/log/update.lock"
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fi
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fi
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# Check for lock directory
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if ! command mkdir "$ZSH/log/update.lock" 2>/dev/null; then
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return
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fi
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# Remove lock directory on exit. `return 1` is important for when trapping a SIGINT:
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# The return status from the function is handled specially. If it is zero, the signal is
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# assumed to have been handled, and execution continues normally. Otherwise, the shell
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# will behave as interrupted except that the return status of the trap is retained.
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trap "command rm -rf '$ZSH/log/update.lock'; return 1" EXIT INT QUIT
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# Create or update .zsh-update file if missing or malformed
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if ! source "${ZSH_CACHE_DIR}/.zsh-update" 2>/dev/null || [[ -z "$LAST_EPOCH" ]]; then
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update_last_updated_file
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return
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fi
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# Number of days before trying to update again
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epoch_target=${UPDATE_ZSH_DAYS:-13}
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# Test if enough time has passed until the next update
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if (( ( $(current_epoch) - $LAST_EPOCH ) < $epoch_target )); then
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return
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fi
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# Ask for confirmation before updating unless disabled
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if [[ "$DISABLE_UPDATE_PROMPT" = true ]]; then
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update_ohmyzsh
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else
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# input sink to swallow all characters typed before the prompt
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# and add a newline if there wasn't one after characters typed
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while read -t -k 1 option; do true; done
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[[ "$option" != ($'\n'|"") ]] && echo
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echo -n "[oh-my-zsh] Would you like to update? [Y/n] "
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read -r -k 1 option
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[[ "$option" != $'\n' ]] && echo
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case "$option" in
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[yY$'\n']) update_ohmyzsh ;;
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[nN]) update_last_updated_file ;;
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esac
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fi
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}
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unset -f current_epoch update_last_updated_file update_ohmyzsh
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