b2288e7f28
This introduces some more conceptual changes to Shaman. The most important one is that there is no longer a "checkout ID", but a "checkout path". The Shaman client can request any subpath of the checkout directory, so that it can handle things like project- or scene-specific prefixes.
57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
package checkout
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// SPDX-License-Identifier: GPL-3.0-or-later
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import (
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"context"
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"errors"
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"fmt"
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"git.blender.org/flamenco/pkg/api"
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"git.blender.org/flamenco/pkg/shaman/filestore"
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"github.com/rs/zerolog"
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)
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var (
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ErrMissingFiles = errors.New("unknown files requested in checkout")
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)
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func (m *Manager) Checkout(ctx context.Context, checkout api.ShamanCheckout) error {
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logger := (*zerolog.Ctx(ctx)).With().
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Str("checkoutPath", checkout.CheckoutPath).Logger()
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logger.Debug().Msg("shaman: user requested checkout creation")
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// Actually create the checkout.
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resolvedCheckoutInfo, err := m.PrepareCheckout(checkout.CheckoutPath)
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if err != nil {
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return err
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}
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// The checkout directory was created, so if anything fails now, it should be erased.
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var checkoutOK bool
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defer func() {
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if !checkoutOK {
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err := m.EraseCheckout(checkout.CheckoutPath)
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if err != nil {
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logger.Error().Err(err).Msg("shaman: error erasing checkout directory")
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}
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}
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}()
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for _, fileSpec := range checkout.Files {
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blobPath, status := m.fileStore.ResolveFile(fileSpec.Sha, int64(fileSpec.Size), filestore.ResolveStoredOnly)
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if status != filestore.StatusStored {
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// Caller should upload this file before we can create the checkout.
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return ErrMissingFiles
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}
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if err := m.SymlinkToCheckout(blobPath, resolvedCheckoutInfo.absolutePath, fileSpec.Path); err != nil {
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return fmt.Errorf("symlinking %q to checkout: %w", fileSpec.Path, err)
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}
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}
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checkoutOK = true // Prevent the checkout directory from being erased again.
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logger.Info().Msg("shaman: checkout created")
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return nil
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}
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