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Avoid redundant Docker test image rebuilds

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This commit is contained in:
Nathan Flurry 2026-03-08 12:35:28 -07:00
parent abf9b1858f
commit 6cfe29f3f9
1 changed files with 46 additions and 0 deletions
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46
scripts/test-rig/ensure-image.sh
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@ -4,6 +4,17 @@ set -euo pipefail
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)" ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)"
IMAGE_TAG="${SANDBOX_AGENT_TEST_IMAGE:-sandbox-agent-test:dev}" IMAGE_TAG="${SANDBOX_AGENT_TEST_IMAGE:-sandbox-agent-test:dev}"
LOCK_DIR="$ROOT_DIR/.context/docker-test-image.lock" LOCK_DIR="$ROOT_DIR/.context/docker-test-image.lock"
STAMP_FILE="$ROOT_DIR/.context/docker-test-image.stamp"
INPUTS=(
"$ROOT_DIR/Cargo.toml"
"$ROOT_DIR/Cargo.lock"
"$ROOT_DIR/server"
"$ROOT_DIR/gigacode"
"$ROOT_DIR/resources/agent-schemas/artifacts"
"$ROOT_DIR/scripts/agent-configs"
"$ROOT_DIR/docker/test-agent/Dockerfile"
)
release_lock() { release_lock() {
if [[ -d "$LOCK_DIR" ]]; then if [[ -d "$LOCK_DIR" ]]; then
@ -11,16 +22,51 @@ release_lock() {
fi fi
} }
latest_input_mtime() {
find "${INPUTS[@]}" -type f -exec stat -f '%m' {} + | sort -nr | head -n1
}
image_is_ready() {
if ! docker image inspect "$IMAGE_TAG" >/dev/null 2>&1; then
return 1
fi
if [[ ! -f "$STAMP_FILE" ]]; then
return 1
fi
local stamp_mtime
stamp_mtime="$(stat -f '%m' "$STAMP_FILE")"
local latest_mtime
latest_mtime="$(latest_input_mtime)"
[[ -n "$latest_mtime" && "$stamp_mtime" -ge "$latest_mtime" ]]
}
mkdir -p "$ROOT_DIR/.context"
if image_is_ready; then
printf '%s\n' "$IMAGE_TAG"
exit 0
fi
while ! mkdir "$LOCK_DIR" 2>/dev/null; do while ! mkdir "$LOCK_DIR" 2>/dev/null; do
sleep 1 sleep 1
done done
trap release_lock EXIT trap release_lock EXIT
if image_is_ready; then
printf '%s\n' "$IMAGE_TAG"
exit 0
fi
docker build \ docker build \
--tag "$IMAGE_TAG" \ --tag "$IMAGE_TAG" \
--file "$ROOT_DIR/docker/test-agent/Dockerfile" \ --file "$ROOT_DIR/docker/test-agent/Dockerfile" \
"$ROOT_DIR" \ "$ROOT_DIR" \
>/dev/null >/dev/null
touch "$STAMP_FILE"
printf '%s\n' "$IMAGE_TAG" printf '%s\n' "$IMAGE_TAG"