mirror of
https://github.com/ohmyzsh/ohmyzsh.git
synced 2024-11-18 20:00:07 +00:00
9772f8e10d
This makes things work even on system lacking /bin/sh, such as on non-rooted Android systems.
59 lines
1.2 KiB
Bash
59 lines
1.2 KiB
Bash
#!/usr/bin/env zsh
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zmodload zsh/datetime
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function _current_epoch() {
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echo $(( $EPOCHSECONDS / 60 / 60 / 24 ))
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}
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function _update_zsh_update() {
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echo "LAST_EPOCH=$(_current_epoch)" >! ~/.zsh-update
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}
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function _upgrade_zsh() {
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env ZSH=$ZSH sh $ZSH/tools/upgrade.sh
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# update the zsh file
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_update_zsh_update
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}
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epoch_target=$UPDATE_ZSH_DAYS
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if [[ -z "$epoch_target" ]]; then
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# Default to old behavior
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epoch_target=13
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fi
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# Cancel upgrade if the current user doesn't have write permissions for the
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# oh-my-zsh directory.
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[[ -w "$ZSH" ]] || return 0
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# Cancel upgrade if git is unavailable on the system
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whence git >/dev/null || return 0
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if [ -f ~/.zsh-update ]
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then
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. ~/.zsh-update
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if [[ -z "$LAST_EPOCH" ]]; then
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_update_zsh_update && return 0;
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fi
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epoch_diff=$(($(_current_epoch) - $LAST_EPOCH))
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if [ $epoch_diff -gt $epoch_target ]
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then
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if [ "$DISABLE_UPDATE_PROMPT" = "true" ]
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then
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_upgrade_zsh
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else
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echo "[Oh My Zsh] Would you like to check for updates? [Y/n]: \c"
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read line
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if [[ "$line" == Y* ]] || [[ "$line" == y* ]] || [ -z "$line" ]; then
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_upgrade_zsh
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else
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_update_zsh_update
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fi
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fi
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fi
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else
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# create the zsh file
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_update_zsh_update
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fi
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