♻️ refactor: optimize git bash shell loading time when using completions

config/bash/.bash_completions

@@ -1,71 +1,38 @@
 #!/usr/bin/env bash
 
 # shellcheck disable=SC1090,SC1091
-# Builtin Git-Bash Completion
-source /mingw64/share/git/completion/git-completion.bash
 
-# __ltrim_colon_completions
-if ! type __ltrim_colon_completions >/dev/null 2>&1; then
-  # If the word-to-complete contains a colon (:), left-trim COMPREPLY items with
-  # word-to-complete.
-  # With a colon in COMP_WORDBREAKS, words containing
-  # colons are always completed as entire words if the word to complete contains
-  # a colon.  This function fixes this, by removing the colon-containing-prefix
-  # from COMPREPLY items.
-  # The preferred solution is to remove the colon (:) from COMP_WORDBREAKS in
-  # your .bashrc:
-  #
-  #    # Remove colon (:) from list of word completion separators
-  #    COMP_WORDBREAKS=${COMP_WORDBREAKS//:}
-  #
-  # See also: Bash FAQ - E13) Why does filename completion misbehave if a colon
-  # appears in the filename? - http://tiswww.case.edu/php/chet/bash/FAQ
-  # @param $1 current word to complete (cur)
-  # @modifies global array $COMPREPLY
-  #
-  __ltrim_colon_completions() {
-    if [[ "$1" == *:* && "$COMP_WORDBREAKS" == *:* ]]; then
-      # Remove colon-word prefix from COMPREPLY items
-      local colon_word=${1%"${1##*:}"}
-      local i=${#COMPREPLY[*]}
-      while [[ $((--i)) -ge 0 ]]; do
-        COMPREPLY[$i]=${COMPREPLY[$i]#"$colon_word"}
-      done
-    fi
-  }
-fi
+# Builtin Git Bash completion
+source /mingw64/share/git/completion/git-completion.bash
+if type __git_complete >/dev/null 2>&1; then __git_complete g git; fi
 
-# Custom Locations for additional completion files
+# Custom locations for additional completion files
 CUSTOM_COMPLETIONS="$DOTFILES/config/bash/custom/completions"
 
-shopt -s extglob
-for arg in $(compgen -ac | sort -u); do
-  case "$arg" in
-  __git_complete*) __git_complete g git ;;
-  faas-cli?(.exe)) source <(faas-cli completion --shell bash) ;;
-  oh-my-posh?(.exe)) source <(oh-my-posh completion bash) ;;
-  gh?(.exe)) eval "$(gh completion -s bash)" ;;
-  git-lfs?(.exe)) source <(git lfs completion bash) ;;
-  gitleaks?(.exe)) source <(gitleaks completion bash) ;;
-  glow?(.exe)) source <(glow completion bash) ;;
-  gum?(.exe)) source <(gum completion bash) ;;
-  ssh?(.exe)?*) . "$CUSTOM_COMPLETIONS/ssh.bash" ;;
-  dotnet?(.exe)) . "$CUSTOM_COMPLETIONS/dotnet.bash" ;;
-  docker?(.exe)) source <(docker completion bash) ;;
-  hugo?(.exe)) source <(hugo completion bash) ;;
-  kubectl?(.exe)) source <(kubectl completion bash) ;;
-  @(bun)) source "$CUSTOM_COMPLETIONS/bun.bash" ;;
-  @(npm)) source <(npm completion) ;;
-  @(pnpm)) source <(pnpm completion bash) ;;
-  @(yarn)) . "$CUSTOM_COMPLETIONS/yarn.bash" ;;
-  pip?(3*)) . "$CUSTOM_COMPLETIONS/pip.bash" ;;
-  pipenv*) eval "$(_PIPENV_COMPLETE=bash_source pipenv)" ;;
-  pipx?(.exe)) eval "$(register-python-argcomplete pipx)" ;;
-  pdm?(.exe)) source <(pdm completion bash) ;;
-  terraform?(.exe)) complete -C "$(which terraform)" terraform ;;
-  uv?(x)?(.exe)) source <(uv generate-shell-completion bash) ;;
-  yq?(.exe)) source <(yq completion bash) ;;
-  [Vv][Bb]ox[Mm]anage?(.exe)) . "$CUSTOM_COMPLETIONS/vboxmanage.bash" ;;
-  # vagrant?(.exe)) . "/c/Program Files/Vagrant/embedded/gems/gems/vagrant-2.4.3/contrib/bash/completion.sh" ;;
-  esac
+for file in "$CUSTOM_COMPLETIONS"/*.bash; do
+	filename=$(basename "$file")
+	if command -v "${filename%.*}" >/dev/null 2>&1; then
+		. "$file"
+	fi
 done
+
+# Vagrant
+if type vagrant >/dev/null 2>&1; then
+	vagrant_complete=$(find "/c/Program Files/Vagrant" -type f | grep completion.sh)
+	if [ -f "$vagrant_complete" ]; then . "$vagrant_complete"; fi
+fi
+
+# Terraform
+if type terraform >/dev/null 2>&1; then
+	complete -C "$(which terraform)" terraform
+fi
+
+# pipenv
+if type pipenv >/dev/null 2>&1; then
+	eval "$(_PIPENV_COMPLETE=bash_source pipenv)"
+fi
+
+# pipx
+if type pipx >/dev/null 2>&1; then
+	eval "$(register-python-argcomplete pipx)"
+fi