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ohmyzsh/tools/check_for_upgrade.sh
Marc Cornellà 36f444ed73
fix(update): fix error exit code on update check (#10033)
This patch removes the 'exit 1' status code when the update check
finishes or is ended with CTRL+C.

Fixes #10033
2021-07-08 16:11:16 +02:00

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