#!/usr/bin/env bash
set -euo pipefail

sha="$(yq -r '.deps["YiAgent/OpenCI"] // ""' manifest.yml)"
echo "is_shallow=$(git rev-parse --is-shallow-repository)"
echo "manifest_sha=$sha"

if git cat-file -e "${sha}^{commit}" 2>/dev/null; then
  echo "commit_object_present=yes"
else
  echo "commit_object_present=no (likely shallow clone or missing fetch)"
fi

# Find the target file and check its content
find . -name "verify-sha-consistency.sh" -type f

# Read the file to see lines around 224-227
if [ -f ".github/scripts/verify-sha-consistency.sh" ]; then
  wc -l ".github/scripts/verify-sha-consistency.sh"
  sed -n '210,240p' ".github/scripts/verify-sha-consistency.sh"
fi

# Also check the full context of the function containing this code
if [ -f ".github/scripts/verify-sha-consistency.sh" ]; then
  sed -n '200,250p' ".github/scripts/verify-sha-consistency.sh"
fi

# Check if git cat-file -e works as expected and how git ls-tree behaves
# Let's examine the git documentation/behavior in context

# First, verify the SELF_REFS pattern and how manifest.yml is used
grep -n "SELF_REFS" ".github/scripts/verify-sha-consistency.sh" | head -20

# Check if there are any other usages of git ls-tree in the script
grep -n "git ls-tree" ".github/scripts/verify-sha-consistency.sh"

# Verify the manifest.yml structure to understand the data being validated
if [ -f "manifest.yml" ]; then
  cat manifest.yml
fi

#!/usr/bin/env bash
set -euo pipefail

remote="${REMOTE:-origin}"
branch="${BASE_BRANCH:-main}"

echo "is_shallow=$(git rev-parse --is-shallow-repository)"
git fetch --quiet "$remote" "$branch"
tip="$(git rev-parse "refs/remotes/$remote/$branch")"
echo "remote_tip=$tip"

if git rev-parse "${tip}^" >/dev/null 2>&1; then
  echo "parent_available=yes"
else
  echo "parent_available=no (deepen/unshallow needed for ancestry walk)"
fi

# First, let's locate and read the script file
fd -type f -name 'bump-self-sha.sh' | head -5

# Once located, read lines around 33-39 and 58-59 to understand the context
cat -n scripts/bump-self-sha.sh | sed -n '30,65p'

# Test the actual ancestor walk scenario more thoroughly
# Check how many commits are available after fetch and if walk can complete
cat > /tmp/test_ancestor_walk.sh << 'EOF'
#!/usr/bin/env bash
set -euo pipefail

remote="${REMOTE:-origin}"
branch="${BASE_BRANCH:-main}"
workflow_search=".github/workflows/reusable"

echo "=== Initial State ==="
echo "is_shallow=$(git rev-parse --is-shallow-repository)"

echo -e "\n=== Fetching remote ==="
git fetch --quiet "$remote" "$branch" 2>/dev/null
remote_sha="$(git rev-parse "refs/remotes/$remote/$branch")"
echo "remote_sha=$remote_sha"

echo -e "\n=== Testing ancestor walk (simulating the script loop) ==="
candidate="$remote_sha"
max_iterations=5
iterations=0

while [ $iterations -lt $max_iterations ]; do
  iterations=$((iterations + 1))
  echo "  Iteration $iterations: candidate=$candidate"
  
  # Check if parent is available
  if ! git rev-parse "${candidate}^" >/dev/null 2>&1; then
    echo "  ERROR: Parent of $candidate not available in shallow clone!"
    echo "  Shallow clone depth insufficient for ancestor walk."
    break
  fi
  
  # In real script, would check if commit contains workflow_search
  # For now, just move to parent
  candidate="$(git rev-parse "${candidate}^")"
done

if [ $iterations -eq $max_iterations ]; then
  echo "  Walk completed $max_iterations iterations successfully"
fi
EOF
bash /tmp/test_ancestor_walk.sh

# Create a fresh shallow clone with depth=1 to test the actual failure scenario
temp_dir=$(mktemp -d)
cd "$temp_dir"
git clone --depth=1 https://github.com/YiAgent/OpenCI.git test_repo 2>&1 | head -10
cd test_repo

echo "=== Extreme shallow (depth=1) ==="
echo "is_shallow=$(git rev-parse --is-shallow-repository)"

# Now simulate what bump-self-sha.sh does
remote="origin"
branch="main"
git fetch --quiet "$remote" "$branch" 2>/dev/null
remote_sha="$(git rev-parse "refs/remotes/$remote/$branch")"
echo "remote_sha=$remote_sha"

# Try to access parent (this should fail in depth=1)
if git rev-parse "${remote_sha}^" >/dev/null 2>&1; then
  echo "parent_available=yes"
else
  echo "parent_available=no (THIS IS THE FAILURE CASE)"
fi

cd /
rm -rf "$temp_dir"

#!/bin/bash
set -euo pipefail
rg -n --hidden --glob '!.git' '\byq\b|verify-sha-consistency' .github || true
sed -n '1,220p' .github/scripts/verify-sha-consistency.sh