Merge pull request 'Dev-лаунчер стартует на старой схеме БД — миграции не применяются (#36)' (#37) from issue-36-dev-launcher-migrations into dev

Reviewed-on: #37
This commit was merged in pull request #37.
This commit is contained in:
2026-09-09 20:03:39 +03:00
2 changed files with 41 additions and 0 deletions
+24
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@@ -82,6 +82,30 @@ switch ($appEnv) {
Write-Host "node_modules not found. First: cd frontend; npm install" -ForegroundColor Red
exit 1
}
# Schema first: a branch may add a migration, and uvicorn would otherwise start
# on the old schema and fail with 500 on the first hit of a new table.
# stderr goes to a file: alembic logs there, and in PowerShell 5.1 "2>&1" on a
# native exe wraps every line into an ErrorRecord.
Write-Host "Applying migrations (alembic upgrade head)..." -ForegroundColor Green
$migLog = [System.IO.Path]::GetTempFileName()
Push-Location $backend
& $py -m alembic upgrade head 2> $migLog
$migCode = $LASTEXITCODE
Pop-Location
$migText = (Get-Content $migLog -Raw)
Remove-Item $migLog -Force -ErrorAction SilentlyContinue
if ($migCode -ne 0) {
Write-Host $migText
if ($migText -match "locate revision") {
# The DB carries a migration this branch does not have (switched back from
# a feature branch). Extra tables do not bother the older code - go on.
Write-Host "DB is newer than this branch - migrations skipped." -ForegroundColor Yellow
} else {
Write-Host "Migrations failed - not starting. Fix the error above and retry." -ForegroundColor Red
exit 1
}
}
Write-Host "Starting backend (uvicorn --reload) and frontend (vite) in separate windows..." -ForegroundColor Green
Start-Process powershell -ArgumentList @(
"-NoExit", "-Command",
+17
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@@ -50,6 +50,23 @@ case "$app_env" in
[ -x "$py" ] || py="$root/backend/.venv/Scripts/python.exe" # Git Bash на Windows
[ -x "$py" ] || { echo "Нет venv. Сначала: cd backend && python -m venv .venv && pip install -e '.[dev]'"; exit 1; }
[ -d "$root/frontend/node_modules" ] || { echo "Нет node_modules. Сначала: cd frontend && npm install"; exit 1; }
# Сначала схема: ветка могла принести миграцию, и без неё бэк поднимется на
# старой схеме и упадёт 500 на первом же обращении к новой таблице.
echo "Применяю миграции (alembic upgrade head)…"
mig_log="$( cd "$root/backend" && "$py" -m alembic upgrade head 2>&1 )" && mig_code=0 || mig_code=$?
if [ "$mig_code" -ne 0 ]; then
echo "$mig_log"
case "$mig_log" in
*"locate revision"*)
# В базе миграция, которой нет в этой ветке (вернулись с ветки задачи).
# Лишние таблицы старому коду не мешают — продолжаем запуск.
echo "База новее ветки — миграции пропущены." ;;
*)
echo "Миграции не применились — не запускаю. Исправьте ошибку выше и повторите."
exit 1 ;;
esac
fi
echo "Запуск бэка (uvicorn --reload) и фронта (vite)… Ctrl+C — остановить всё."
( cd "$root/backend" && exec "$py" -m uvicorn app.main:app --reload ) &
back=$!