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

@@ -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

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}'
-}