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FLAG: add an option to ignore the error if the release doesn't exist yet #36

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FLAG: add an option to ignore the error if the release doesn't exist yet #36

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14 changes: 14 additions & 0 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,6 +3,7 @@ package main
import (
"fmt"
"os"
"strings"

"github.com/mgutz/ansi"
"github.com/spf13/cobra"
Expand Down Expand Up @@ -32,6 +33,7 @@ type diffCmd struct {
reuseValues bool
resetValues bool
suppressedKinds []string
ignoreNewError bool
}

func main() {
Expand Down Expand Up @@ -59,6 +61,8 @@ func main() {
ansi.DisableColors(true)
}

diff.ignoreNewError, _ = cmd.Flags().GetBool("ignore-new-error")

diff.release = args[0]
diff.chart = args[1]
if diff.client == nil {
Expand All @@ -72,6 +76,7 @@ func main() {
f.BoolP("version", "v", false, "show version")
f.BoolP("suppress-secrets", "q", false, "suppress secrets in the output")
f.Bool("no-color", false, "remove colors from the output")
f.Bool("ignore-new-error", false, "suppress the error when the release doesn't exist yet")
f.VarP(&diff.valueFiles, "values", "f", "specify values in a YAML file (can specify multiple)")
f.StringArrayVar(&diff.values, "set", []string{}, "set values on the command line (can specify multiple or separate values with commas: key1=val1,key2=val2)")
f.BoolVar(&diff.reuseValues, "reuse-values", false, "reuse the last release's values and merge in any new values")
Expand Down Expand Up @@ -101,6 +106,15 @@ func (d *diffCmd) run() error {
releaseResponse, err := d.client.ReleaseContent(d.release)

if err != nil {
if strings.Contains(err.Error(), fmt.Sprintf("release: %q not found", d.release)) {
if d.ignoreNewError {
fmt.Println("Release was not present in Helm.")
return nil
} else {
fmt.Println("Release was not present in Helm. You can suppress this error with `--ignore-new-error`.")
return prettyError(err)
}
}
return prettyError(err)
}

Expand Down