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kubectl diff: update regex to allow equal param

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When using GNU diffutils, some commands (e.g. --color[=WHEN])
requires an equal sign.

Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
This commit is contained in:
Douglas Schilling Landgraf 2021-01-18 23:22:36 -05:00
parent d73693cb44
commit 722751accf
1 changed files with 2 additions and 2 deletions
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4
staging/src/k8s.io/kubectl/pkg/cmd/diff/diff.go
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@ -177,8 +177,8 @@ func (d *DiffProgram) getCommand(args ...string) (string, exec.Cmd) {
diff = diffCommand[0]
if len(diffCommand) > 1 {
// Regex accepts: Alphanumeric (case-insensitive) and dash
isValidChar := regexp.MustCompile(`^[a-zA-Z0-9-]+$`).MatchString
// Regex accepts: Alphanumeric (case-insensitive), dash and equal
isValidChar := regexp.MustCompile(`^[a-zA-Z0-9-=]+$`).MatchString
for i := 1; i < len(diffCommand); i++ {
if isValidChar(diffCommand[i]) {
args = append(args, diffCommand[i])