Incorporate utils.bash into each executable to help simplify packaging

for Linux and other platforms.  This adds to PR #32

remove unused functions

README.md

@@ -37,7 +37,7 @@ Context "dublin" set.
 Aliased "gke_ahmetb_europe-west1-b_dublin" as "dublin".
 ```
 
-`kubectx` supports <kbd>Tab</kbd> completion on bash/zsh/fish shells to help with 
+`kubectx` supports <kbd>Tab</kbd> completion on bash/zsh/fish shells to help with
 long context names. You don't have to remember full context names anymore.
 
 -----
@@ -78,7 +78,7 @@ Active namespace is "default".
 :confetti_ball: Use the [Homebrew](https://brew.sh/) package manager:
 
     brew install kubectx
-    
+
 This command will set up bash/zsh/fish completion scripts automatically.
 
 
@@ -93,7 +93,7 @@ This command will set up bash/zsh/fish completion scripts automatically.
 Since `kubectx`/`kubens` are written in Bash, you should be able to instal
 them to any POSIX environment that has Bash installed.
 
-- Download the `kubectx`, `kubens` and `utils.bash` scripts.
+- Download the `kubectx`, and `kubens` scripts.
 - Either:
   - save them all to somewhere in your `PATH`,
   - or save them to a directory, then create symlinks to `kubectx`/`kubens` from
@@ -105,11 +105,11 @@ them to any POSIX environment that has Bash installed.
 
 ####  Users
 
-| What are others saying about kubectx? | 
+| What are others saying about kubectx? |
 | ---- |
 | _“Thank you for kubectx & kubens - I use them all the time & have them in my k8s toolset to maintain happiness :) ”_ – [@pbouwer](https://twitter.com/pbouwer/status/925896377929949184) |
 | _“I can't imagine working without kubectx and especially kubens anymore. It's pure gold.”_ – [@timoreimann](https://twitter.com/timoreimann/status/925801946757419008) |
-| _“I'm liking kubectx from @ahmetb, makes it super-easy to switch #Kubernetes contexts [...]”_ &mdash; [@lizrice](https://twitter.com/lizrice/status/928556415517589505) | 
+| _“I'm liking kubectx from @ahmetb, makes it super-easy to switch #Kubernetes contexts [...]”_ &mdash; [@lizrice](https://twitter.com/lizrice/status/928556415517589505) |
 | _“Also using it on a daily basis. This and my zsh config that shows me the current k8s context 😉”_ – [@puja108](https://twitter.com/puja108/status/928742521139810305) |
 | _“Lately I've found myself using the kubens command more than kubectx. Both very useful though :-)”_ – [@stuartleeks](https://twitter.com/stuartleeks/status/928562850464907264) |
 | _“yeah kubens rocks!”_ – [@embano1](https://twitter.com/embano1/status/928698440732815360) |

kubectx

@@ -21,15 +21,6 @@
 set -eou pipefail
 IFS=$'\n\t'
 
-SCRIPT_DIR="$(dirname "$( readlink -f "${0}" 2>/dev/null || \
-  python -c "import os,sys; print(os.path.realpath(sys.argv[1]))" "${0}" )")"
-
-if [[ -f "${SCRIPT_DIR}/utils.bash" ]]; then
-  source "${SCRIPT_DIR}/utils.bash"
-else
-  source "${SCRIPT_DIR}/../include/utils.bash"
-fi
-
 KUBECTX="${HOME}/.kube/kubectx"
 
 usage() {
@@ -44,6 +35,14 @@ EOF
   exit 1
 }
 
+current_context() {
+  kubectl config view -o=jsonpath='{.current-context}'
+}
+
+get_contexts() {
+  kubectl config get-contexts -o=name | sort -n
+}
+
 list_contexts() {
   set -u pipefail
   local cur="$(current_context)"

kubens

@@ -21,15 +21,6 @@
 set -eou pipefail
 IFS=$'\n\t'
 
-SCRIPT_DIR="$(dirname "$( readlink -f "${0}" 2>/dev/null || \
-  python -c "import os,sys; print(os.path.realpath(sys.argv[1]))" "${0}" )")"
-
-if [[ -f "${SCRIPT_DIR}/utils.bash" ]]; then
-  source "${SCRIPT_DIR}/utils.bash"
-else
-  source "${SCRIPT_DIR}/../include/utils.bash"
-fi
-
 KUBENS_DIR="${HOME}/.kube/kubens"
 
 usage() {
@@ -53,6 +44,14 @@ current_namespace() {
   fi
 }
 
+current_context() {
+  kubectl config view -o=jsonpath='{.current-context}'
+}
+
+get_namespaces() {
+  kubectl get namespaces -o=jsonpath='{range .items[*].metadata.name}{@}{"\n"}{end}'
+}
+
 namespace_file() {
   local ctx="${1}"
   echo "${KUBENS_DIR}/${ctx}"

utils.bash

@@ -1,11 +0,0 @@
-current_context() {
-  kubectl config view -o=jsonpath='{.current-context}'
-}
-
-get_contexts() {
-  kubectl config get-contexts -o=name | sort -n
-}
-
-get_namespaces() {
-  kubectl get namespaces -o=jsonpath='{range .items[*].metadata.name}{@}{"\n"}{end}'
-}