Added script that converts git submodules to regular git repos.

Last used on /media/bay/taha/projects/ansible/roles/public
with the script located in the root of that directory,
and invoked as:
```
./submodule-to-repo.sh tailscale
```

chertex.sh

@@ -450,6 +450,7 @@ runtime=$(( $endtime - $starttime ))
 # if runtime is longer than X minutes (suitable limit perhaps 3 min)
 if (( $runtime > 180 )); then
    gotify push --quiet --title "$dir_wd" --priority 5 "chertex.sh $@ \nCompleted in $runtime s"
+   msg "Push notification sent to Gotify"
 fi
 
 msg "${On_Cyan}-------------------------------------${NOFORMAT}"

submodule-to-repo.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+msg() {
+  echo >&2 -e "${1-}"
+}
+
+die() {
+  local msg=$1
+  local code=${2-1} # default exit status 1
+  msg "$msg"
+  simpledelay.sh 2 # short delay to aid reading last message in case terminal closes on exit
+  exit "$code"
+}
+
+parse_params() {
+   while :; do
+      case "${1-}" in
+      -?*) die "Unknown option: $1" ;;
+      *) break ;;
+      esac
+      shift
+   done
+
+   args=("$@")
+   return 0
+}
+
+parse_params "$@"
+
+
+this_submod=${args[0]}
+this_subtmp="${args[0]}_tmp"
+# https://stackoverflow.com/a/16162228
+
+msg "moving $this_submod to $this_subtmp"
+mv $this_submod $this_subtmp
+
+msg "git submodule deinit"
+git submodule deinit $this_submod
+
+msg "git rm $this_submod"
+git rm $this_submod
+
+msg "moving back $this_submod"
+mv $this_subtmp $this_submod
+
+msg "remove the existing .git file"
+rm $this_submod/.git
+
+msg "move the .git folder from modules into $this_submod"
+mv .git/modules/$this_submod $this_submod/.git
+
+msg "remove the worktree line from .git/config"
+sed -i '/worktree/d' $this_submod/.git/config
+
+msg "add $this_submod to .gitignore"
+echo "$this_submod" >> .gitignore