mirror of https://github.com/databricks/cli.git
55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package sync
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import (
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"bufio"
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"context"
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"encoding/json"
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"io"
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"github.com/databricks/bricks/libs/sync"
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)
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// Read synchronization events and write them as JSON to the specified writer (typically stdout).
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func jsonOutput(ctx context.Context, ch <-chan sync.Event, w io.Writer) {
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enc := json.NewEncoder(w)
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for {
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select {
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case <-ctx.Done():
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return
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case e, ok := <-ch:
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if !ok {
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return
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}
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err := enc.Encode(e)
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// These are plain structs so this must always work.
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// Panic on error so that a violation of this assumption does not go undetected.
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if err != nil {
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panic(err)
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}
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}
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}
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}
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// Read synchronization events and write them as text to the specified writer (typically stdout).
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func textOutput(ctx context.Context, ch <-chan sync.Event, w io.Writer) {
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bw := bufio.NewWriter(w)
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for {
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select {
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case <-ctx.Done():
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return
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case e, ok := <-ch:
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if !ok {
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return
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}
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// Log only if something actually happened.
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// Sync events produce an empty string if nothing happened.
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if str := e.String(); str != "" {
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bw.WriteString(str)
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bw.WriteString("\r\n")
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bw.Flush()
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}
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}
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}
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}
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