Task for cleaning release artifacts

tasks/release/__init__.py

@@ -1,11 +1,18 @@
 """
-Release tasks.
+Tasks for preparing release bundles for various platform.
+
+Actual _deployment_ of those releases (e.g. as GitHub Releases)
+is NOT handled here.
 """
 from pathlib import Path
+import shutil
 
 from invoke import Collection, task
 
 
+RELEASE_DIR = Path.cwd() / 'release'
+
+
 @task(name="all")
 def all_(ctx):
     """Create all release packages."""
@@ -19,10 +26,23 @@ def all_(ctx):
     rpm(ctx)
 
 
+@task
+def clean(ctx):
+    """Clean up release artifacts."""
+    if RELEASE_DIR.is_dir():
+        try:
+            shutil.rmtree(str(RELEASE_DIR))
+        except (OSError, shutil.Error) as e:
+            logging.warning("Error while cleaning release dir: %s", e)
+        else:
+            RELEASE_DIR.mkdir()
+
+
 # Task setup
 
 ns = Collection()
 ns.add_task(all_, default=True)
+ns.add_task(clean)
 
 # Import every task from submodules directly into the root task namespace
 # (without creating silly qualified names like `release.fpm.deb`

tasks/release/fpm.py

@@ -18,6 +18,8 @@
 from invoke.exceptions import Exit
 import toml
 
+from tasks.release import RELEASE_DIR
+
 
 # Package information.
 #
@@ -35,7 +37,7 @@
 SOURCE_DIR = Path.cwd() / 'target' / 'release'
 BIN = 'gisht'
 EXTRA_FILES = ['LICENSE', 'README.md']
-OUTPUT_DIR = Path.cwd() / 'release'
+OUTPUT_DIR = RELEASE_DIR
 
 # Directory where the binary should be installed on Linux systems.
 LINUX_INSTALL_DIR = '/usr/bin'