1caa5bd099
Signed-off-by: Tibor Vass <tibor@docker.com> Upstream-commit: 63e3816c1dd449de63500a2b5fec9c2a33a0894c Component: engine
35 lines
794 B
Go
35 lines
794 B
Go
package dockerignore
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import (
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"bufio"
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"fmt"
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"io"
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"path/filepath"
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"strings"
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)
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// ReadAll reads a .dockerignore file and returns the list of file patterns
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// to ignore. Note this will trim whitespace from each line as well
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// as use GO's "clean" func to get the shortest/cleanest path for each.
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func ReadAll(reader io.ReadCloser) ([]string, error) {
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if reader == nil {
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return nil, nil
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}
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defer reader.Close()
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scanner := bufio.NewScanner(reader)
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var excludes []string
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for scanner.Scan() {
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pattern := strings.TrimSpace(scanner.Text())
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if pattern == "" {
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continue
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}
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pattern = filepath.Clean(pattern)
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excludes = append(excludes, pattern)
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}
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if err := scanner.Err(); err != nil {
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return nil, fmt.Errorf("Error reading .dockerignore: %v", err)
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}
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return excludes, nil
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}
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