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fix(installer): fail safely on history backup errors

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Co-authored-by: robbyrussell <257+robbyrussell@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot]
2026-09-06 00:14:09 +00:00
committed by GitHub
co-authored by robbyrussell
parent 296fbb8b69
commit 6749d0825b
1 changed files with 12 additions and 0 deletions
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tools/install.sh
+12
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@@ -417,6 +417,14 @@ setup_zshrc() {
hist_backup="${hist}.pre-oh-my-zsh"
if [ -e "$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 $zdot/.zshrc from backup"
fi
exit 1
fi
fi
if cp "$hist" "$hist_backup"; then
echo "${FMT_GREEN}Backing up your command history to ${hist_backup}${FMT_RESET}"
@@ -425,6 +433,10 @@ setup_zshrc() {
# a half-written file would look like a usable backup
rm -f "$hist_backup"
fmt_error "could not back up $hist"
if ! mv "$OLD_ZSHRC" "$zdot/.zshrc"; then
fmt_error "could not restore $zdot/.zshrc from backup"
fi
exit 1
fi
done
fi