Merge pull request #1626 from NoahGorny/update-to-stable-or-unstable

bash-it update to stable or dev

README.md

@@ -87,13 +87,24 @@ Have a look at our [bash-it-docker repository](https://github.com/Bash-it/bash-i
 
 ### Updating
 
-To update Bash-it to the latest version, simply run:
+To update Bash-it to the latest stable version, simply run:
 
 ```bash
-bash-it update
+bash-it update stable
 ```
 
-that's all.
+If you want to update to the latest dev version (directly from master), run:
+
+```bash
+bash-it update dev
+```
+
+If you want to update automatically and unattended, you can add the optional
+`-s/--silent` flag, for example:
+
+```bash
+bash-it update dev --silent
+```
 
 If you are using an older version of Bash-it, it's possible that some functionality has changed, or that the internal structure of how Bash-it organizes its functionality has been updated.
 For these cases, we provide a `migrate` command:

completion/available/bash-it.completion.bash

@@ -87,7 +87,16 @@ _bash-it-comp()
       COMPREPLY=( $(compgen -W "${doctor_args}" -- ${cur}) )
       return 0
       ;;
-    migrate | reload | search | update | version)
+    update)
+      if [[ ${cur} == -* ]];then
+        local update_args="-s --silent"
+      else
+        local update_args="stable dev"
+      fi
+      COMPREPLY=( $(compgen -W "${update_args}" -- ${cur}) )
+      return 0
+      ;;
+    migrate | reload | search | version)
       return 0
       ;;
     enable | disable)

lib/helpers.bash

@@ -80,7 +80,7 @@ bash-it ()
         _bash-it-search $component "$@"
         return;;
       update)
-        func=_bash-it_update;;
+        func=_bash-it_update-$component;;
       migrate)
         func=_bash-it-migrate;;
       version)
@@ -158,43 +158,26 @@ _bash-it-plugins ()
     _bash-it-describe "plugins" "a" "plugin" "Plugin"
 }
 
-_bash-it_update() {
-  _about 'updates Bash-it'
+_bash-it_update-dev() {
+  _about 'updates Bash-it to the latest master'
   _group 'lib'
 
-  local old_pwd="${PWD}"
+  _bash-it_update- dev "$@"
+}
 
-  cd "${BASH_IT}" || return
+_bash-it_update-stable() {
+  _about 'updates Bash-it to the latest tag'
+  _group 'lib'
 
-  if [ -z $BASH_IT_REMOTE ]; then
-    BASH_IT_REMOTE="origin"
-  fi
+  _bash-it_update- stable "$@"
+}
 
-  git fetch &> /dev/null
-
-  declare status
-  status="$(git rev-list master..${BASH_IT_REMOTE}/master 2> /dev/null)"
-
-  if [[ -n "${status}" ]]; then
-
-    for i in $(git rev-list --merges --first-parent master..${BASH_IT_REMOTE}); do
-      num_of_lines=$(git log -1 --format=%B $i | awk 'NF' | wc -l)
-      if [ $num_of_lines -eq 1 ]; then
-        description="%s"
-      else
-        description="%b"
-      fi
-      git log --format="%h: $description (%an)" -1 $i
-    done
-    echo ""
-    read -e -n 1 -p "Would you like to update to $(git log -1 --format=%h origin/master)? [Y/n] " RESP
-    case $RESP in
-      [yY]|"")
-        git pull --rebase &> /dev/null
+_bash-it_pull_and_update_inner() {
+  git checkout "$1" &> /dev/null
   if [[ $? -eq 0 ]]; then
     echo "Bash-it successfully updated."
     echo ""
-          echo "Migrating your installation to the latest version now..."
+    echo "Migrating your installation to the latest $2 version now..."
     _bash-it-migrate
     echo ""
     echo "All done, enjoy!"
@@ -202,17 +185,101 @@ _bash-it_update() {
   else
     echo "Error updating Bash-it, please, check if your Bash-it installation folder (${BASH_IT}) is clean."
   fi
+}
+
+_bash-it_update-() {
+  _about 'updates Bash-it'
+  _param '1: What kind of update to do (stable|dev)'
+  _group 'lib'
+
+  declare silent
+  for word in $@; do
+    if [[ ${word} == "--silent" || ${word} == "-s" ]]; then
+      silent=true
+    fi
+  done
+  local old_pwd="${PWD}"
+
+  cd "${BASH_IT}" || return
+
+  if [ -z "$BASH_IT_REMOTE" ]; then
+    BASH_IT_REMOTE="origin"
+  fi
+
+  git fetch $BASH_IT_REMOTE --tags &> /dev/null
+
+  if [ -z "$BASH_IT_DEVELOPMENT_BRANCH" ]; then
+    BASH_IT_DEVELOPMENT_BRANCH="master"
+  fi
+  # Defaults to stable update
+  if [ -z "$1" ] || [ "$1" == "stable" ]; then
+    version="stable"
+    TARGET=$(git describe --tags "$(git rev-list --tags --max-count=1)" 2> /dev/null)
+
+    if [[ -z "$TARGET" ]]; then
+      echo "Can not find tags, so can not update to latest stable version..."
+      return
+    fi
+  else
+    version="dev"
+    TARGET=${BASH_IT_REMOTE}/${BASH_IT_DEVELOPMENT_BRANCH}
+  fi
+
+  declare revision
+  revision="HEAD..${TARGET}"
+  declare status
+  status="$(git rev-list ${revision} 2> /dev/null)"
+  declare revert
+
+  if [[ -z "${status}" && ${version} == "stable" ]]; then
+    revision="${TARGET}..HEAD"
+    status="$(git rev-list ${revision} 2> /dev/null)"
+    revert=true
+  fi
+
+  if [[ -n "${status}" ]]; then
+    if [[ $revert ]]; then
+      echo "Your version is a more recent development version ($(git log -1 --format=%h HEAD))"
+      echo "You can continue in order to revert and update to the latest stable version"
+      echo ""
+      log_color="%Cred"
+    fi
+
+    for i in $(git rev-list --merges --first-parent ${revision}); do
+      num_of_lines=$(git log -1 --format=%B $i | awk 'NF' | wc -l)
+      if [ $num_of_lines -eq 1 ]; then
+        description="%s"
+      else
+        description="%b"
+      fi
+      git log --format="${log_color}%h: $description (%an)" -1 $i
+    done
+    echo ""
+
+    if [[ $silent ]]; then
+      echo "Updating to ${TARGET}($(git log -1 --format=%h "${TARGET}"))..."
+      _bash-it_pull_and_update_inner $TARGET $version
+    else
+      read -e -n 1 -p "Would you like to update to ${TARGET}($(git log -1 --format=%h "${TARGET}"))? [Y/n] " RESP
+      case $RESP in
+        [yY]|"")
+          _bash-it_pull_and_update_inner $TARGET $version
           ;;
         [nN])
-        echo "Not upgrading…"
+          echo "Not updating…"
           ;;
         *)
           echo -e "\033[91mPlease choose y or n.\033[m"
           ;;
         esac
+    fi
+  else
+    if [[ ${version} == "stable" ]]; then
+      echo "You're on the latest stable version. If you want to check out the latest 'dev' version, please run \"bash-it update dev\""
     else
       echo "Bash-it is up to date, nothing to do!"
     fi
+  fi
   cd "${old_pwd}" &> /dev/null || return
 }
 

template/bash_profile.template.bash

@@ -18,6 +18,10 @@ export BASH_IT_THEME='bobby'
 # cloned bash-it with a remote other than origin such as `bash-it`.
 # export BASH_IT_REMOTE='bash-it'
 
+# (Advanced): Change this to the name of the main development branch if
+# you renamed it or if it was changed for some reason
+# export BASH_IT_DEVELOPMENT_BRANCH='master'
+
 # Your place for hosting Git repos. I use this for private repos.
 export GIT_HOSTING='git@git.domain.com'
 

test/completion/bash-it.completion.bats

@@ -58,9 +58,14 @@ function __check_completion () {
   assert_line -n 0 "vagrant vault vim"
 }
 
-@test "completion bash-it: update - show no options" {
+@test "completion bash-it: update - show options" {
   run __check_completion 'bash-it update '
-  assert_line -n 0 ""
+  assert_line -n 0 "stable dev"
+}
+
+@test "completion bash-it: update - show optional flags" {
+  run __check_completion 'bash-it update -'
+  assert_line -n 0 "-s --silent"
 }
 
 @test "completion bash-it: search - show no options" {