67 lines
1.6 KiB
Go
67 lines
1.6 KiB
Go
// SPDX-License-Identifier: EUPL-1.2
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package plugin
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import (
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filepath "dappco.re/go/core/scm/internal/ax/filepathx"
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"dappco.re/go/core/io"
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coreerr "dappco.re/go/core/log"
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)
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// Loader loads plugins from the filesystem.
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//
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type Loader struct {
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medium io.Medium
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baseDir string
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}
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// NewLoader creates a new plugin loader.
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//
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func NewLoader(m io.Medium, baseDir string) *Loader {
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return &Loader{
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medium: m,
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baseDir: baseDir,
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}
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}
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// Discover finds all plugin directories under baseDir and returns their manifests.
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// Directories without a valid plugin.json are silently skipped.
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func (l *Loader) Discover() ([]*Manifest, error) {
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entries, err := l.medium.List(l.baseDir)
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if err != nil {
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return nil, coreerr.E("plugin.Loader.Discover", "failed to list plugin directory", err)
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}
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var manifests []*Manifest
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for _, entry := range entries {
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if !entry.IsDir() {
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continue
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}
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manifest, err := l.LoadPlugin(entry.Name())
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if err != nil {
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// Skip directories without valid manifests
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continue
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}
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manifests = append(manifests, manifest)
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}
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return manifests, nil
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}
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// LoadPlugin loads a single plugin's manifest by name.
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func (l *Loader) LoadPlugin(name string) (*Manifest, error) {
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manifestPath := filepath.Join(l.baseDir, name, "plugin.json")
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manifest, err := LoadManifest(l.medium, manifestPath)
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if err != nil {
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return nil, coreerr.E("plugin.Loader.LoadPlugin", "failed to load plugin: "+name, err)
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}
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if err := manifest.Validate(); err != nil {
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return nil, coreerr.E("plugin.Loader.LoadPlugin", "invalid plugin manifest: "+name, err)
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}
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return manifest, nil
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}
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