image-push supports renaming via -t (nushell#750)

fix nu-complete of `docker registry show`

Co-authored-by: nash <[email protected]>

modules/docker/docker.nu

@@ -257,9 +257,19 @@ export def image-tag [from: string@"nu-complete docker images" to: string -n: s
 }
 
 # push image
-export def image-push [img: string@"nu-complete docker images" -n: string@"nu-complete docker ns" -i] {
+export def image-push [
+ img: string@"nu-complete docker images"
+ --tag(-t): string
+ -n: string@"nu-complete docker ns" -i
+] {
  let $insecure = if $i {[--insecure-registry]} else {[]}
- ^$env.docker-cli ...($n | with-flag -n) ...$insecure push $img
+ if ($tag | is-empty) {
+ ^$env.docker-cli ...($n | with-flag -n) ...$insecure push $img
+ } else {
+ ^$env.docker-cli ...($n | with-flag -n) tag $img $tag
+ ^$env.docker-cli ...($n | with-flag -n) ...$insecure push $tag
+ ^$env.docker-cli ...($n | with-flag -n) rmi $tag
+ }
 }
 
 # pull image
@@ -395,9 +405,9 @@ def has [name] {
 def "nu-complete registry show" [cmd: string, offset: int] {
  let new = $cmd | str ends-with ' '
  let cmd = $cmd | split row ' '
- let url = $cmd.2?
- let reg = $cmd.3?
- let tag = $cmd.4?
+ let url = $cmd.3?
+ let reg = $cmd.4?
+ let tag = $cmd.5?
  let auth = if ($env | has 'REGISTRY_TOKEN') {
  [-H $"Authorization: Basic ($env.REGISTRY_TOKEN)"]
  } else {