Files
diachron/upgrade.sh
Michael Wolf 296e460326 Implement upgrade.sh for framework version upgrades
Removes old framework files (per current file-list), copies in new
ones from the target ref, and stages everything for the user to
review before committing. Also adds file-list to itself so it
gets upgraded too.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-07 10:10:09 -05:00

110 lines
2.9 KiB
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#!/bin/bash
set -eu
set -o pipefail
IFS=$'\n\t'
DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
new_ref="${1:?Usage: upgrade.sh <new-ref>}"
cached_repo="$HOME/.cache/diachron/v1/repositories/diachron.git"
tmpdir=""
cleanup() {
if [ -n "$tmpdir" ]; then
rm -rf "$tmpdir"
fi
}
trap cleanup EXIT
echo "=== Diachron Framework Upgrade ==="
echo ""
echo "This will replace all framework files in your project."
echo "Make sure you have committed or backed up any local changes."
echo ""
read -r -p "Continue? [y/N] " answer
if [[ ! "$answer" =~ ^[Yy]$ ]]; then
echo "Aborted."
exit 0
fi
# Update cached repository
"$DIR/update-cached-repository.sh"
# Read current version
if [ ! -f "$DIR/.diachron-version" ]; then
echo "Error: .diachron-version not found." >&2
echo "Is this a diachron project?" >&2
exit 1
fi
old_ref=$(cat "$DIR/.diachron-version")
# Verify both refs exist in cached repo
if ! git -C "$cached_repo" rev-parse --verify "$old_ref^{commit}" >/dev/null 2>&1; then
echo "Error: current version '$old_ref' not found in cached repository." >&2
exit 1
fi
if ! git -C "$cached_repo" rev-parse --verify "$new_ref^{commit}" >/dev/null 2>&1; then
echo "Error: target version '$new_ref' not found in cached repository." >&2
exit 1
fi
# Require a clean working tree
if [ -n "$(git -C "$DIR" status --porcelain)" ]; then
echo "Error: working tree is not clean." >&2
echo "Commit or stash all changes (including untracked files) before upgrading." >&2
exit 1
fi
echo ""
echo "Upgrading: $old_ref -> $new_ref"
echo ""
# Read current file-list (files to remove)
old_files=()
while IFS= read -r line; do
[[ "$line" =~ ^[[:space:]]*# ]] && continue
[[ -z "$line" ]] && continue
old_files+=("$line")
done < "$DIR/file-list"
# Clone and checkout new version into a temp directory
tmpdir=$(mktemp -d)
git clone --quiet "$cached_repo" "$tmpdir/diachron"
git -C "$tmpdir/diachron" checkout --quiet "$new_ref"
# Read new file-list (files to add)
new_files=()
while IFS= read -r line; do
[[ "$line" =~ ^[[:space:]]*# ]] && continue
[[ -z "$line" ]] && continue
new_files+=("$line")
done < "$tmpdir/diachron/file-list"
# Remove old framework files
for f in "${old_files[@]}"; do
git -C "$DIR" rm -rf --quiet --ignore-unmatch "$f"
done
# Copy in new framework files
(cd "$tmpdir/diachron" && tar cf - "${new_files[@]}") | (cd "$DIR" && tar xf -)
# Stage them
for f in "${new_files[@]}"; do
git -C "$DIR" add "$f"
done
# Update version marker
echo "$new_ref" > "$DIR/.diachron-version"
git -C "$DIR" add "$DIR/.diachron-version"
echo "=== Upgrade staged: $old_ref -> $new_ref ==="
echo ""
echo "Framework files have been removed, replaced, and staged."
echo ""
echo "Next steps:"
echo " 1. Review: git diff --cached"
echo " 2. Commit: git commit -m 'Upgrade diachron to $new_ref'"
echo " 3. Install: ./sync.sh"