Add deliver-work command

The command aims to publish current local branch. Before, it will
bring latest changes from remote `master` and apply your commits on
top of them.

docs/commands.md

@@ -1,6 +1,8 @@
 `git elegant <command>` where `<command>` is one of
 
 - `start-work`
+- `save-work`
+- `deliver-work`
 - `accept-work`
 - `pull`
 - `push`
@@ -44,6 +46,20 @@ git diff --cached --check
 git commit
 ```
 
+# `deliver-work`
+Updates the current branch using the latest remote `master` and updates remote refs.
+
+```bash
+usage: git deliver-work
+```
+
+A sequence of original `git` commands:
+```bash
+git fetch
+git rebase origin/master
+git push --set-upstream --force origin {local branch name}:{local branch name}
+```
+
 # `accept-work`
 Accepts proposed work (remote work branch) on top of the fresh history of remote `master` (using
 `rebase`) and publishes work to `origin/master`. Also, it removes the remote work branch in case of

libexec/git-elegant-commands

@@ -4,6 +4,7 @@ set -e
 default() {
     echo "start-work"
     echo "save-work"
+    echo "deliver-work"
     echo "accept-work"
     echo "pull"
     echo "push"

libexec/git-elegant-deliver-work

@@ -0,0 +1,13 @@
+#!/usr/bin/env bash
+set -e
+
+default() {
+    local BRANCH=$(__branches 'git branch | grep \*')
+    if [[ "$BRANCH" == "master" ]]; then
+        box "No pushes to 'master' branch. Please read more on ${__site}"
+        exit 81
+    fi
+    boxtee git fetch
+    boxtee git rebase ${RMASTER}
+    boxtee git push --set-upstream --force origin ${BRANCH}:${BRANCH}
+}

tests/git-elegant-commands.bats

@@ -11,6 +11,7 @@ teardown() {
     COMMANDS=(
         "start-work"
         "save-work"
+        "deliver-work"
         "accept-work"
         "pull"
         "push"

tests/git-elegant-deliver-work.bats

@@ -0,0 +1,29 @@
+#!/usr/bin/env bats
+
+load addons-common
+load addons-read
+load addons-fake
+
+teardown() {
+    clean-fake
+}
+
+@test "'deliver-work': by default, a name of remote branch is equal to local branch" {
+    fake-pass git branch *feature1
+    fake-pass git "fetch"
+    fake-pass git "rebase origin/master"
+    fake-pass git "push --set-upstream --force origin feature1:feature1"
+    check git-elegant deliver-work
+    [ "$status" -eq 0 ]
+    [ "${lines[7]}" = "== git push --set-upstream --force origin feature1:feature1 ==" ]
+}
+
+@test "'deliver-work': raise error #81 if current local branch is master" {
+    fake-pass git branch *master
+    fake-pass git "fetch"
+    fake-pass git "rebase origin/master"
+    fake-pass git "push --set-upstream --force origin master:master"
+    check git-elegant deliver-work
+    [ "$status" -eq 81 ]
+    [ "${lines[1]}" = "== No pushes to 'master' branch. Please read more on https://elegant-git.bees-hive.org ==" ]
+}