shell: make zsh magic more portable and add bash magic

src/cmd/shell/files/bash/kbs.source

@@ -0,0 +1,12 @@
+alias _inline_fzf="fzf --height=50% --reverse -0 --inline-info --border"
+alias _kbs_bin="$(type -p kbs)"
+
+function kbs() {
+    if [ $# -eq 0 ]; then
+        # if no parameters are passed, we want to run fzf on available kubeconfigs and set the selected one as active kubeconfig
+        eval "$(_kbs_bin use $(_kbs_bin ls | _inline_fzf))"
+    else
+        # if parameters are passed, we just call the kbs binary directly
+        ${_kbs_bin} $@
+    fi
+}

src/cmd/shell/files/zsh/kbs.source

@@ -1,10 +1,10 @@
 alias _inline_fzf="fzf --height=50% --reverse -0 --inline-info --border"
+alias _kbs_bin="$(whence -cp kbs)"
 
 function kbs() {
-    local _kbs_bin="$(whereis -q kbs)"
     if [ $# -eq 0 ]; then
         # if no parameters are passed, we want to run fzf on available kubeconfigs and set the selected one as active kubeconfig
-        eval "$(eval ${_kbs_bin} use $(echo "$(eval ${_kbs_bin} ls)" | _inline_fzf))"
+        eval "$(_kbs_bin use $(_kbs_bin ls | _inline_fzf))"
     else
         # if parameters are passed, we just call the kbs binary directly
         ${_kbs_bin} $@

src/cmd/shell/magic.rs

@@ -21,12 +21,11 @@ pub fn execute(matches: &ArgMatches) -> Result<(), Box<dyn std::error::Error>> {
         .get_one::<Shell>("shell")
         .ok_or("cannot read shell")?;
 
-    match shell {
-        Shell::Zsh => {
-            let zsh_magic = include_str!("./files/zsh/kbs.source");
-            print!("{zsh_magic}");
-        }
-    }
+    let magic = match shell {
+        Shell::Zsh => include_str!("./files/zsh/kbs.source"),
+        Shell::Bash => include_str!("./files/bash/kbs.source"),
+    };
+    print!("{magic}");
 
     Ok(())
 }
@@ -35,16 +34,18 @@ pub fn execute(matches: &ArgMatches) -> Result<(), Box<dyn std::error::Error>> {
 #[non_exhaustive]
 enum Shell {
     Zsh,
+    Bash,
 }
 
 impl clap::ValueEnum for Shell {
     fn value_variants<'a>() -> &'a [Self] {
-        &[Shell::Zsh]
+        &[Shell::Zsh, Shell::Bash]
     }
 
     fn to_possible_value<'a>(&self) -> Option<PossibleValue> {
         Some(match self {
             Shell::Zsh => PossibleValue::new("zsh"),
+            Shell::Bash => PossibleValue::new("bash"),
         })
     }
 }