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https://github.com/thomiceli/opengist.git
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Added gist methods related to git + Truncate command output
This commit is contained in:
39
internal/git/output_parser.go
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39
internal/git/output_parser.go
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@ -0,0 +1,39 @@
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package git
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import (
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"bytes"
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"io"
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)
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func truncateCommandOutput(out io.Reader, maxBytes int64) (string, bool, error) {
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var (
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buf []byte
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err error
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)
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if maxBytes < 0 {
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// read entire output
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buf, err = io.ReadAll(out)
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if err != nil {
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return "", false, err
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}
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return string(buf), false, nil
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}
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// read up to maxBytes bytes
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buf = make([]byte, maxBytes)
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n, err := io.ReadFull(out, buf)
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if err != nil && err != io.EOF && err != io.ErrUnexpectedEOF {
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return "", false, err
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}
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bytesRead := int64(n)
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// find index of last newline character
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lastNewline := bytes.LastIndexByte(buf, '\n')
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if lastNewline >= 0 {
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// truncate buffer to exclude last line
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buf = buf[:lastNewline]
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}
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return string(buf), bytesRead == maxBytes, nil
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}
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