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fix(installer): avoid history backup name collisions

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Co-authored-by: robbyrussell <257+robbyrussell@users.noreply.github.com>
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copilot-swe-agent[bot]
2026-09-06 00:15:00 +00:00
committed by GitHub
co-authored by robbyrussell
parent ce6ebd3d8d
commit bc6faea85b
1 changed files with 7 additions and 10 deletions
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tools/install.sh
+7 -10
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@@ -414,17 +414,14 @@ setup_zshrc() {
case " $hist_backed_up " in
*" $hist "*) continue ;;
esac
hist_backup="${hist}.pre-oh-my-zsh"
hist_backup_base="${hist}.pre-oh-my-zsh"
hist_backup="$hist_backup_base"
if [ -e "$hist_backup" ]; then
hist_backup="${hist_backup}-$(date +%Y-%m-%d_%H-%M-%S)"
if [ -e "$hist_backup" ]; then
fmt_error "$hist_backup exists. Can't back up $hist"
fmt_error "re-run the installer again in a couple of seconds"
if ! mv "$OLD_ZSHRC" "$zdot/.zshrc"; then
fmt_error "could not restore $zdot/.zshrc from backup"
fi
exit 1
fi
hist_backup_i=0
while [ -e "$hist_backup" ]; do
hist_backup_i=$((hist_backup_i + 1))
hist_backup="${hist_backup_base}-$(date +%Y-%m-%d_%H-%M-%S)-${hist_backup_i}"
done
fi
if cp -p "$hist" "$hist_backup"; then
echo "${FMT_GREEN}Backing up your command history to ${hist_backup}${FMT_RESET}"