Run post-context-switch functions with new context name (#251)

Closes #250.

docs/how-tos/usage.md

@@ -139,7 +139,7 @@ Kele commands involving Kubernetes [contexts] center around the `s-k c` prefix (
 !!! tip
 
     If you have functions that need to run after switching to a new context in
-    order to use it, `kele-after-context-switch-hook` is available to use. This
+    order to use it, `kele-context-after-switch-functions` is available to use. This
     can be useful for, say, re-authenticating with the new context before
     interacting with it.
 

docs/references/changelog.md

@@ -24,6 +24,13 @@ versioning][semver].
   created using `kele-port-forward`
 - Rename `kele-proxy` to `kele-ports`
 
+### Changed
+
+- Renamed `kele-after-context-switch-hook` to
+  `kele-context-after-switch-functions`. Each member of this variable is now
+  expected to take the new context name as the sole argument (previously, they
+  took no arguments).
+
 ## 0.6.0
 
 ### Added

kele.el

@@ -101,8 +101,11 @@ pods."
   :type 'integer
   :group 'kele)
 
-(defvar kele-after-context-switch-hook nil
-  "Normal hook run after switching to a new context.")
+(defvar kele-context-after-switch-functions nil
+  "Functions to run after switching to a new context.
+
+Each function is expected to take a single string argument
+representing the name of the new context.")
 
 (defvar kele--discovery-last-refresh-time nil
   "Timestamp of last successful poll of the discovery cache.")
@@ -884,7 +887,8 @@ node `(elisp)Programmed Completion'."
   (interactive (list (completing-read "Context: " #'kele--contexts-complete)))
   (kele--with-progress (format "Switching to use context `%s'..." context)
     (kele-kubectl-do "config" "use-context" context)
-    (run-hooks 'kele-after-context-switch-hook)))
+    (run-hooks 'kele-after-context-switch-hook)
+    (run-hook-with-args 'kele-context-after-switch-functions context)))
 
 ;; TODO(#176): Update `kele--namespace-cache'
 (transient-define-suffix kele-context-rename (old-name new-name)