#!/bin/bash

set -e

REPO_ROOT=$(git rev-parse --show-toplevel)

pull_claude_context() {

FILES=$(git ls-tree -r --name-only origin/claude-context | grep 'CLAUDE\.md')

git checkout origin/claude-context -- $FILES

git restore --staged $FILES

echo "✅ Pulled Claude context files from claude-context branch."

}

push_claude_context() {

local amend="${1:-}"

git fetch origin claude-context --quiet

BASE_COMMIT=$(git rev-parse origin/claude-context)

CHANGED_FILES=()

# Files already on claude-context that differ from working tree

while IFS= read -r f; do

if [ -f "$REPO_ROOT/$f" ] && ! git diff --quiet origin/claude-context -- "$f" 2>/dev/null; then

CHANGED_FILES+=("$f")

fi

done < <(git ls-tree -r --name-only origin/claude-context | grep 'CLAUDE\.md')

# New CLAUDE.md files not yet on claude-context

while IFS= read -r f; do

rel="${f#$REPO_ROOT/}"

if ! git ls-tree origin/claude-context -- "$rel" 2>/dev/null | grep -q .; then

CHANGED_FILES+=("$rel")

fi

done < <(find "$REPO_ROOT" -name 'CLAUDE.md' \

-not -path '*/.git/*' \

-not -path '*/node_modules/*')

if [ ${#CHANGED_FILES[@]} -eq 0 ]; then

echo "No changes to CLAUDE.md files compared to claude-context branch."

return

fi

echo "Committing changes to CLAUDE.md files:"

printf ' %s\n' "${CHANGED_FILES[@]}"

WORKTREE_DIR=$(mktemp -d)

# shellcheck disable=SC2064

trap "git worktree remove --force '$WORKTREE_DIR' 2>/dev/null; rm -rf '$WORKTREE_DIR'" EXIT

git worktree add --detach --quiet "$WORKTREE_DIR" "$BASE_COMMIT"

for f in "${CHANGED_FILES[@]}"; do

mkdir -p "$WORKTREE_DIR/$(dirname "$f")"

cp "$REPO_ROOT/$f" "$WORKTREE_DIR/$f"

done

if [ "$amend" = "--amend" ]; then

(cd "$WORKTREE_DIR" && \

git add "${CHANGED_FILES[@]}" && \

git commit --amend --no-edit --quiet)

git push --force-with-lease origin "$(cd "$WORKTREE_DIR" && git rev-parse HEAD):refs/heads/claude-context"

else

(cd "$WORKTREE_DIR" && \

git add "${CHANGED_FILES[@]}" && \

git commit -m "Update CLAUDE.md context files" --quiet)

git push origin "$(cd "$WORKTREE_DIR" && git rev-parse HEAD):refs/heads/claude-context"

fi

echo "✅ Pushed ${#CHANGED_FILES[@]} CLAUDE.md file(s) to claude-context branch."

}

case "$1" in

""|pull)

pull_claude_context

;;

push)

push_claude_context "${2:-}"

;;

*)

echo "Usage: $0 [push]"

exit 1

;;

esac