feat(core): update command line API

BREAKING CHANGE: The previous commands have been replaced.

README.md

@@ -5,20 +5,11 @@
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-Synchronises the contents of multiple `package.json` files, such as `packages/*/package.json` in
-[Lerna](https://lernajs.io) Monorepos.
-
-## Contents
-
-* [Installation](#installation)
-* [Usage](#usage)
-  * [`sync-versions`](#sync-versions)
-  * [`copy-values`](#copy-values)
+Manage multiple `package.json` files, such as `packages/*/package.json` in [Lerna](https://lernajs.io) Monorepos.
 
 ## Installation
 
@@ -38,95 +29,8 @@ Options:
 
 Commands:
 
-  sync-versions          synchronise dependency versions between packages
-  copy-values <keys...>  copy values from eg. ./package.json to ./packages/*/package.json
-  help [cmd]             display help for [cmd]
-```
-
-### `sync-versions`
-
-```
-Usage: syncpack sync-versions [options]
-
-Options:
-
-  -p, --packages <glob>  location of packages. defaults to ./packages/*/package.json
-  -h, --help             output usage information
-```
-
-Imagine the packages `guybrush`, `herman`, and `elaine` all have `react` as a dependency, but
-versions `'15.4.0'`, `'15.5.4'`, and `'15.6.1'` respectively.
-
-```
-/Users/foldleft/Dev/monorepo/packages/
-├── guybrush
-│   └── package.json
-├── herman
-│   └── package.json
-└── elaine
-    └── package.json
-```
-
-To update each `package.json` to use version `'15.6.1'` of `react` in `dependencies`,
-`devDependencies`, and `peerDependencies` (as needed) you can run
-
-```
-syncpack sync-versions
-```
-
-### `copy-values`
-
-```
-Usage: syncpack copy-values [options] <keys...>
-
-Options:
-
-  -p, --packages <glob>  location of packages. defaults to ./packages/*/package.json
-  -s, --source <glob>    location of source. defaults to ./package.json
-  -h, --help             output usage information
-```
-
-Imagine the packages `carla` and `murray` were previously hosted at their own repositories, but are
-now part of your new Monorepo.
-
-```
-/Users/foldleft/Dev/monorepo/packages/
-├── carla
-│   └── package.json
-└── murray
-    └── package.json
-```
-
-With the following contents
-
-```
-"bugs": "https://github.com/Scumm/carla/issues",
-"homepage": "https://github.com/Scumm/carla#readme",
-"repository": "Scumm/carla",
-```
-
-```
-"bugs": "https://github.com/Scumm/murray/issues",
-"homepage": "https://github.com/Scumm/murray#readme",
-"repository": "Scumm/murray",
-```
-
-To copy these fields from your Monorepo's `package.json` to each of its packages, you can run
-
-```
-syncpack copy-values bugs homepage repository
-```
-
-to copy the value of those properties, leaving them like so
-
-```
-"bugs": "https://github.com/Scumm/monorepo/issues",
-"homepage": "https://github.com/Scumm/monorepo#readme",
-"repository": "Scumm/monorepo",
-```
-
-to copy deeply nested values, pass the path to the key as follows
-
-```
-syncpack copy-values scripts.test
+  fix-mismatches   set dependencies used with different versions to the same version
+  list             list every dependency used in your packages
+  list-mismatches  list every dependency used with different versions in your packages
+  help [cmd]       display help for [cmd]
 ```

package.json

@@ -5,8 +5,9 @@
   "author": "Jamie Mason <jamie@foldleft.io> (https://github.com/JamieMason)",
   "bin": {
     "syncpack": "dist/bin.js",
-    "syncpack-sync-versions": "dist/bin-sync-versions.js",
-    "syncpack-copy-values": "dist/bin-copy-values.js"
+    "syncpack-fix-mismatches": "dist/bin-fix-mismatches.js",
+    "syncpack-list-mismatches": "dist/bin-list-mismatches.js",
+    "syncpack-list": "dist/bin-list.js"
   },
   "bugs": "https://github.com/JamieMason/syncpack/issues",
   "dependencies": {