Add polish-workflow command

The command just opens a given workflows file for editing. And
completions will provide only available files which improve a user
experience.

completions/_git-elegant

@@ -21,6 +21,7 @@ _git-elegant (){
         'make-workflow:makes a new workflow file for the repository'
         'obtain-work:checkouts a remote branch matching by a name'
         'polish-work:reapplies branch commits interactively'
+        'polish-workflow:edits a given workflows file'
         'prune-repository:removes useless local branches'
         'release-work:releases available work as a new annotated tag'
         'save-work:commits current modifications'
@@ -67,6 +68,10 @@ __ge_complete_commands () {
         show-release-notes)         __ge_show_release_notes ;;
         start-work)                 __ge_start_work ;;
         make-workflow)              __ge_make_workflow ;;
+        polish-workflow)
+            local files=($(git elegant show-workflows))
+            _arguments '--help' '--no-workflows' '1:file:(${files[@]})'
+            ;;
         *)  _arguments '--help' '--no-workflows'  ;;
     esac
 }

completions/git-elegant.bash

@@ -44,6 +44,11 @@ _git_elegant() {
             show-release-notes)
                 COMPREPLY=( $(compgen -W "simple smart ${gecops[*]}" -- ${cursor}) )
                 ;;
+            polish-workflow)
+                COMPREPLY=(
+                    $(compgen -W "${opts[*]} $(git elegant show-workflows)" -- ${cursor})
+                )
+                ;;
             *)
                 COMPREPLY=( $(compgen -W "${gecops[*]}" -- ${cursor}) )
                 ;;

docs/commands.md

@@ -26,6 +26,7 @@ There are commands used in various situations such as
  enhance contribution rules
     show-workflows       Shows configured workflows in the repository.
     make-workflow        Makes a new workflow file for the repository.
+    polish-workflow      Edits a given workflows file.
 
  make day-to-day contributions
     start-work           Creates a new branch.
@@ -262,6 +263,21 @@ Approximate commands flow is
 git rebase --interactive @~5
 ```
 
+# `polish-workflow`
+
+```bash
+usage: git elegant polish-workflow <file>
+```
+
+Opens a given workflow file in the default text editor. If given file is not
+present, the command raises an error.
+
+Approximate commands flow is
+```bash
+==>> git elegant polish-workflow .workflows/show-work-ahead
+vim .workflows/show-work-ahead
+```
+
 # `prune-repository`
 
 ```bash

libexec/git-elegant

@@ -83,6 +83,7 @@ $(--print-command-in-usage prune-repository)
  enhance contribution rules
 $(--print-command-in-usage show-workflows)
 $(--print-command-in-usage make-workflow)
+$(--print-command-in-usage polish-workflow)
 
  make day-to-day contributions
 $(--print-command-in-usage start-work)

libexec/git-elegant-polish-workflow

@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+
+command-purpose() {
+    cat <<MESSAGE
+Edits a given workflows file.
+MESSAGE
+}
+
+command-synopsis() {
+    cat <<MESSAGE
+usage: git elegant polish-workflow <file>
+MESSAGE
+}
+
+command-description() {
+    cat<<MESSAGE
+Opens a given workflow file in the default text editor. If given file is not
+present, the command raises an error.
+
+Approximate commands flow is
+\`\`\`bash
+==>> git elegant polish-workflow .workflows/show-work-ahead
+vim .workflows/show-work-ahead
+\`\`\`
+MESSAGE
+}
+
+default() {
+    _error-if-empty "${1}" "Please specify a workflow file name"
+    if test -e ${file}; then
+        $(git config core.editor) ${file}
+    else
+        error-text "The '${file}' file does not exist."
+        exit 43
+    fi
+}

tests/git-elegant-show-commands.bats

@@ -31,6 +31,7 @@ teardown() {
         "polish-work"
         "show-workflows"
         "make-workflow"
+        "polish-workflow"
     )
     check git-elegant show-commands
     [[ ${#lines[@]} -eq ${#COMMANDS[@]} ]]