[GitHub] ccollins476ad opened a new pull request #103: Newt - Generic git repositories

[GitBox <gi...@apache.org>]

ccollins476ad opened a new pull request #103: Newt - Generic git repositories
URL: https://github.com/apache/mynewt-newt/pull/103
 
 
   This commit adds support for a new repository type, as specified in the `project.yml` file: "git".  Here is an example:
   
   ```
       repository.apache-mynewt-core:
           type: git
           vers: 0-latest
           url: 'git@github.com:apache/mynewt-core.git'
   ```
   
   Repositories of this type do not have any fields for credentials; security is handled by the `git` tool, not newt.  The example repo above would authenticate via ssh.
   
   In addition, this commit cleans up some inconsistent and unintuitive behavior in the following newt commands:
   
   * `install`
   * `upgrade`
   * `sync`
   
   The new behaviors of these commands are described below:
   
   * `install`:
       * For each repo in `project.yml`:
           * If `-f` (force) specified, delete repo's directory.
           * If repo doesn't exist:
               * Clone repo.
               * Checkout appropriate branch.
               * Populate `project.state` file.
   
   * `upgrade`:
       * For each repo in `project.yml`:
           * If repo doesn't exist:
               * Clone repo.
               * Checkout appropriate branch.
               * Populate `project.state` file.
           * Else:
               * If versions in `project.state` and `project.yml` don't match:
                   * Prompt user [Y/n]
                   * If any local changes:
                       * If !force:
                           * Print error and abort.
                   * Upgrade repo to correct branch.  If local changes, attempt merge.
                   * Populate `project.state` file.
   
   * `sync`:
       * For each repo in `project.yml`:
           * If repo not installed:
               * Print error message.
           * Else:
               * If remote contains changes not in local branch:
                   * If any local changes:
                       * Save `git diff` output to temp file.
                   * Replace repo contents with latest from remote.

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