Install: option to skip current project package (#757)

README.md

@@ -340,9 +340,28 @@ poetry install --extras "mysql pgsql"
 poetry install -E mysql -E pgsql
 poetry install -E mysql -E pgsql
 ```
 ```
 
 
+By default `poetry` will install your project's package everytime you run `install`:
+
+```bash
+$ poetry install
+Installing dependencies from lock file
+
+Nothing to install or update
+
+  - Installing <your-package-name> (x.x.x)
+
+```
+
+If you want to skip this installation, use the `--no-root` option.
+
+```bash
+poetry install --no-root
+```
+
 #### Options
 #### Options
 
 
 * `--no-dev`: Do not install dev dependencies.
 * `--no-dev`: Do not install dev dependencies.
+* `--no-root`: Do not install the root package (your project).
 * `-E|--extras`: Features to install (multiple values allowed).
 * `-E|--extras`: Features to install (multiple values allowed).
 
 
 ### update
 ### update

docs/docs/cli.md

@@ -124,9 +124,28 @@ poetry install --extras "mysql pgsql"
 poetry install -E mysql -E pgsql
 poetry install -E mysql -E pgsql
 ```
 ```
 
 
+By default `poetry` will install your project's package everytime you run `install`:
+
+```bash
+$ poetry install
+Installing dependencies from lock file
+
+Nothing to install or update
+
+  - Installing <your-package-name> (x.x.x)
+
+```
+
+If you want to skip this installation, use the `--no-root` option.
+
+```bash
+poetry install --no-root
+```
+
 ### Options
 ### Options
 
 
 * `--no-dev`: Do not install dev dependencies.
 * `--no-dev`: Do not install dev dependencies.
+* `--no-root`: Do not install the root package (your project).
 * `--extras (-E)`: Features to install (multiple values allowed).
 * `--extras (-E)`: Features to install (multiple values allowed).
 
 
 ## update
 ## update

poetry/console/commands/install.py

@@ -9,6 +9,7 @@ class InstallCommand(EnvCommand):
 
 
     install
     install
         { --no-dev : Do not install dev dependencies. }
         { --no-dev : Do not install dev dependencies. }
+        { --no-root : Do not install the root package (your project). }
         { --dry-run : Outputs the operations but will not execute anything
         { --dry-run : Outputs the operations but will not execute anything
                       (implicitly enables --verbose). }
                       (implicitly enables --verbose). }
         { --E|extras=* : Extra sets of dependencies to install. }
         { --E|extras=* : Extra sets of dependencies to install. }
@@ -55,6 +56,9 @@ exist it will look for <comment>pyproject.toml</> and do the same.
         if return_code != 0:
         if return_code != 0:
             return return_code
             return return_code
 
 
+        if not self.option("no-root"):
+            return 0
+
         try:
         try:
             builder = SdistBuilder(self.poetry, NullEnv(), NullIO())
             builder = SdistBuilder(self.poetry, NullEnv(), NullIO())
         except ModuleOrPackageNotFound:
         except ModuleOrPackageNotFound: