mirror of https://github.com/vbatts/go-mtree.git
73 lines
1.5 KiB
Go
73 lines
1.5 KiB
Go
package mtree
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import (
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"fmt"
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"os"
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"path/filepath"
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"sort"
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)
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type Result struct {
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// XXX perhaps this is a list of the failed files and keywords?
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}
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var ErrNotAllClear = fmt.Errorf("some keyword check failed validation")
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func Check(root string, dh *DirectoryHierarchy) (*Result, error) {
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creator := dhCreator{DH: dh}
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curDir, err := os.Getwd()
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if err == nil {
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defer os.Chdir(curDir)
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}
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if err := os.Chdir(root); err != nil {
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return nil, err
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}
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sort.Sort(byPos(creator.DH.Entries))
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var failed bool
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for _, e := range creator.DH.Entries {
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switch e.Type {
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case SpecialType:
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if e.Name == "/set" {
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creator.curSet = &e
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} else if e.Name == "/unset" {
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creator.curSet = nil
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}
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case RelativeType, FullType:
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info, err := os.Lstat(filepath.Join(root, e.Path()))
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if err != nil {
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return nil, err
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}
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var kvs KeyVals
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if creator.curSet != nil {
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kvs = MergeSet(creator.curSet.Keywords, e.Keywords)
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} else {
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kvs = NewKeyVals(e.Keywords)
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}
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for _, kv := range kvs {
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keywordFunc, ok := KeywordFuncs[kv.Keyword()]
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if !ok {
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return nil, fmt.Errorf("Unknown keyword %q for file %q", kv.Keyword(), e.Path())
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}
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curKeyVal, err := keywordFunc(filepath.Join(root, e.Path()), info)
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if err != nil {
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return nil, err
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}
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if string(kv) != curKeyVal {
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failed = true
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fmt.Printf("%q: keyword %q: expected %s; got %s\n", e.Path(), kv.Keyword(), kv.Value(), KeyVal(curKeyVal).Value())
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}
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}
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}
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}
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if failed {
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return nil, ErrNotAllClear
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}
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return nil, nil
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}
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