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util.nix/script/update-sops-keys
2026-04-26 22:22:15 +00:00

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#!/usr/bin/env sh
# Update SOPS keys for every encrypted file in the project.
# Discovers files by matching path_regex rules from .sops.yaml —
# no directories are hardcoded.
#
# Usage: script/update-sops-keys [--dry-run]
set -eu
REPO_ROOT="$(cd "$(dirname "$0")/.." && pwd)"
DRY_RUN=0
for arg in "$@"; do
case "$arg" in
--dry-run) DRY_RUN=1 ;;
*) printf 'unknown argument: %s\n' "$arg" >&2; exit 9 ;;
esac
done
SOPS_CONFIG="$REPO_ROOT/.sops.yaml"
if [ ! -f "$SOPS_CONFIG" ]; then
printf 'error: .sops.yaml not found at %s\n' "$SOPS_CONFIG" >&2
exit 1
fi
# Extract every path_regex value from .sops.yaml.
# Lines look like: - path_regex: some/pattern$
regexes="$(grep '^\s*-\s*path_regex:' "$SOPS_CONFIG" | sed 's/.*path_regex:[[:space:]]*//')"
if [ -z "$regexes" ]; then
printf 'no path_regex rules found in .sops.yaml\n' >&2
exit 0
fi
# Collect all repo files (committed + untracked, excluding .gitignore).
# Write matches to a temp file to avoid subshell variable scoping issues.
tmp="$(mktemp)"
trap 'rm -f "$tmp"' EXIT
git -C "$REPO_ROOT" ls-files --cached --others --exclude-standard | while read -r rel; do
for regex in $regexes; do
if printf '%s\n' "$rel" | grep -qE "$regex"; then
printf '%s\n' "$rel" >> "$tmp"
break
fi
done
done
if [ ! -s "$tmp" ]; then
printf 'no matching sops files found\n'
exit 0
fi
while read -r rel; do
abs="$REPO_ROOT/$rel"
[ -f "$abs" ] || continue
if [ "$DRY_RUN" -eq 1 ]; then
printf '[dry-run] would updatekeys: %s\n' "$rel"
else
printf 'updating keys: %s\n' "$rel"
sops updatekeys --yes "$abs"
fi
done < "$tmp"