add missing scoop completions (nushell#812)

I added the missing shims, alias, and help commands for the scoop
completer (nushell#483)

I also updated the deprecated `rootPath` and `globalPath` config names
for the config command

custom-completions/scoop/scoop-completions.nu

@@ -91,18 +91,37 @@ def scoopShimBuilds [] {
  [ 'kiennq', 'scoopcs', '71']
 }
 
+def scoopCommands [] {
+ scoop help | lines --skip-empty | skip 5 | parse '{value} {description}' | str trim
+}
+
+def scoopAliases [] {
+ scoop alias list | lines --skip-empty | skip 2 | parse '{name} {path}' | get name
+}
+
 def batStyles [] {
  [ 'default', 'auto', 'full', 'plain', 'changes', 'header', 'header-filename', 'header-filesize', 'grid', 'rule', 'numbers', 'snip' ]
 }
 
+def scoopShims [] {
+ let localShimDir = if ('SCOOP' in $env) { [ $env.SCOOP, 'shims' ] | path join } else if (scoop config root_path | path exists) { scoop config root_path } else { [ $env.USERPROFILE, 'scoop', 'shims' ] | path join }
+ let localShims = if ($localShimDir | path exists) { ls $localShimDir | get name | path parse | select stem extension | where extension == shim | get stem } else { [] }
+
+ let globalShimDir = if ('SCOOP_GLOBAL' in $env) { [ $env.SCOOP_GLOBAL, 'shims' ] | path join } else if (scoop config global_path | path exists) { scoop config global_path } else { [ $env.ProgramData, 'scoop', 'shims' ] | path join }
+ let globalShims = if ($globalShimDir | path exists) { ls $globalShimDir | get name | path parse | select stem extension | where extension == shim | get stem } else { [] }
+
+ $localShims | append $globalShims | uniq | sort
+}
+
 ################################################################
 # scoop
 ################################################################
 
 # Windows command line installer
 export extern "scoop" [
- --help(-h) # Show help for this command.
- --version(-v) # Show current scoop and added buckets versions
+ alias?: string@scoopCommands # avaible scoop commands and aliases
+ --help(-h) # Show help for this command.
+ --version(-v) # Show current scoop and added buckets versions
 ]
 
 ################################################################
@@ -194,6 +213,87 @@ export extern "scoop status" [
  --local(-l) # Checks the status for only the locally installed apps, and disables remote fetching/checking for Scoop and buckets
 ]
 
+################################################################
+# scoop help
+################################################################
+
+# Show help for scoop
+export extern "scoop help" [
+ --help(-h) # Show help for this command.
+
+ command?: string@scoopCommands # Show help for the specified command
+]
+
+################################################################
+# scoop alias
+################################################################
+
+# Add, remove or list Scoop aliases
+export extern "scoop alias" [
+ --help(-h) # Show help for this command.
+]
+
+# add an alias
+export extern "scoop alias add" [
+ name: string # name of the alias
+ command: string # scoop command
+ description: string # description of the alias
+]
+
+# list all aliases
+export extern "scoop alias list" [
+ --verbose(-v) # Show alias description and table headers (works only for 'list')
+]
+
+# remove an alias
+export extern "scoop alias rm" [
+ ...name: string@scoopAliases # alias that will be removed
+]
+
+
+################################################################
+# scoop shim
+################################################################
+
+# Manipulate Scoop shims
+export extern "scoop shim" [
+ --help(-h) # Show help for this command.
+]
+
+# add a custom shim
+export extern "scoop shim add" [
+ shim_name: string # name of the shim
+ command_path: path # path to executable
+ ...cmd_args # additional command arguments
+ --global(-g) # Manipulate global shim(s)
+]
+
+# remove shims (CAUTION: this could remove shims added by an app manifest)
+export extern "scoop shim rm" [
+ ...shim_name: string@scoopShims # shim that will be removed
+ --global(-g) # Manipulate global shim(s)
+]
+
+# list all shims or matching shims
+export extern "scoop shim list" [
+ pattern?: string # list only matching shims
+ --global(-g) # Manipulate global shim(s)
+]
+
+# show a shim's information
+export extern "scoop shim info" [
+ shim_name: string@scoopShims # shim info to retrieve
+ --global(-g) # Manipulate global shim(s)
+]
+
+# alternate a shim's target source
+export extern "scoop shim alter" [
+ shim_name: string@scoopShims # shim that will be alternated
+ --global(-g) # Manipulate global shim(s)
+]
+
+
+
 ################################################################
 # scoop which
 ################################################################
@@ -303,12 +403,12 @@ export extern "scoop config shim" [
 ]
 
 # Path to Scoop root directory.
-export extern "scoop config rootPath" [
+export extern "scoop config root_path" [
  value?: directory
 ]
 
 # Path to Scoop root directory for global apps.
-export extern "scoop config globalPath" [
+export extern "scoop config global_path" [
  value?: directory
 ]
 
@@ -480,6 +580,12 @@ export extern "scoop search" [
 # scoop cache ...
 ################################################################
 
+# Show the download cache
+export extern "scoop cache" [
+ ...?apps: string@scoopInstalledAppsWithStar # apps in question
+ --help(-h) # Show help for this command.
+]
+
 # Show the download cache
 export extern "scoop cache show" [
  ...?apps: string@scoopInstalledAppsWithStar # apps in question
@@ -510,7 +616,7 @@ export extern "scoop download" [
 ################################################################
 
 def scoopKnownBuckets [] {
- [ "main", "extras", "versions", "nirsoft", "php", "nerd-fonts", "nonportable", "java", "games" ]
+  [ "main", "extras", "versions", "nirsoft", "php", "nerd-fonts", "nonportable", "java", "games" ]
 }
 
 def scoopInstalledBuckets [] {