mirror of
https://git.decapod.one/brethil/dotfiles
synced 2024-11-16 00:31:31 +01:00
98 lines
3.1 KiB
Bash
Executable File
98 lines
3.1 KiB
Bash
Executable File
#!/usr/bin/env zsh
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# brethil, brutally copied from https://github.com/robbyrussell/oh-my-zsh/blob/master/tools/check_for_upgrade.sh
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# This also runs antibody update"
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# First version: 14 July 2017
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# Rebased on upstream: 08 December 2020
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local DOTFILES_UPDATEFILE=${DOTFILES}/.dotfiles-update
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# Migrate .dotfiles-update file to $DOTFILES
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if [[ -f ~/.dotfiles-update && ! -f "${DOTFILES_UPDATEFILE}" ]]; then
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mv ~/.dotfiles-update "${DOTFILES_UPDATEFILE}"
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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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# - git is unavailable on the system.
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if [[ -n $DISABLE_DOTFILES_AUTOUPDATE ]] || ! 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 $(( EPOCHSECONDS / 60 / 60 / 24 ))
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}
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function _update_dotfiles_update() {
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echo "LAST_EPOCH=$(current_epoch)" >! "${DOTFILES_UPDATEFILE}"
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}
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function update_dotfiles() {
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(cd $DOTFILES; git pull -q --rebase && echo "Succesfully upgraded dotfiles" || echo "Could not upgrade dotfiles.")
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(cd $DOTFILES/antidote && git pull -rebase || echo "Could not upgrade antidote")
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vim -c 'PlugUpdate|PlugClean|qa!'
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# update the zsh file
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_update_dotfiles_update
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}
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() {
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if [[ -n $DOTFILES_FORCEUPDATE ]]; then
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update_dotfiles;
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return;
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fi
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local epoch_target mtime option LAST_EPOCH
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# Remove lock directory if older than a day
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zmodload zsh/datetime
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zmodload -F zsh/stat b:zstat
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if mtime=$(zstat +mtime "$DOTFILES/update.lock" 2>/dev/null); then
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if (( (mtime + 3600 * 24) < EPOCHSECONDS )); then
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command rm -f "$DOTFILES/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 "$DOTFILES/update.lock" 2>/dev/null; then
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return
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fi
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# Remove lock directory on exit. `return 1` is important for when trapping a SIGINT:
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# The return status from the function is handled specially. If it is zero, the signal is
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# assumed to have been handled, and execution continues normally. Otherwise, the shell
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# will behave as interrupted except that the return status of the trap is retained.
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trap "
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unset -f current_epoch _update_dotfiles_update update_dotfiles &>/dev/null
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command rmdir '$DOTFILES/update.lock' &>/dev/null
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return 1
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" EXIT INT QUIT
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# Create or update .zsh-update file if missing or malformed
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if ! source "${DOTFILES_UPDATEFILE}" 2>/dev/null || [[ -z "$LAST_EPOCH" ]]; then
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_update_dotfiles_update
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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_DOTFILES_DAYS:-5}
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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_dotfiles
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else
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echo -n "[brethil-dotfiles] Would you like to update? [Y/n] "
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read -r -k 1 option
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case "$option" in
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[yY$'\n']) update_dotfiles ;;
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[nN]) _update_dotfiles_update ;;
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*) echo -n "[brethil dotfiles] Skipping. Update using \`dotfiles_selfupdate\`" && echo ;;
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esac
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fi
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}
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unset -f current_epoch update_dotfiles _update_dotfiles_update
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