Stop rewriting Django collectstatic command log output (#1918)

Since:
- The previously removed output may be useful for debugging.
- Ideally output shouldn't differ from what users see locally.
- Newer versions of Django are less verbose anyway.

GUS-W-19780921.

Author: edmorley

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## [Unreleased]
 
+- Stopped rewriting Django collectstatic command log output. ([#1918](https://github.com/heroku/heroku-buildpack-python/pull/1918))
 - Changed the `pip install` command used to install the pip, Pipenv and Poetry package managers to now use `--isolated` mode. ([#1915](https://github.com/heroku/heroku-buildpack-python/pull/1915))
 - Added more Python project related file and directory names to the list recognised by buildpack detection. ([#1914](https://github.com/heroku/heroku-buildpack-python/pull/1914))
 

bin/steps/collectstatic

@@ -67,7 +67,7 @@ export PYTHONPATH
 COLLECTSTATIC_LOG=$(mktemp)
 
 set +e
-python "${MANAGE_FILE}" collectstatic --noinput --traceback |& tee "${COLLECTSTATIC_LOG}" |& sed --unbuffered '/^Post-processed/d;/^Copying/d;/^$/d' |& output::indent
+python "${MANAGE_FILE}" collectstatic --noinput --traceback |& tee "${COLLECTSTATIC_LOG}" |& output::indent
 COLLECTSTATIC_STATUS="${PIPESTATUS[0]}"
 set -e
 

spec/hatchet/django_spec.rb

@@ -47,12 +47,14 @@
           remote:         'PWD': '/tmp/build_\\w+',
           remote:         'PYTHONPATH': '\\.',
           remote:         'PYTHONUNBUFFERED': '1'\\}
+          remote:        
           remote:        \\['/tmp/build_\\w+/backend',
           remote:         '/tmp/build_\\w+',
           remote:         '/app/.heroku/python/lib/python313.zip',
           remote:         '/app/.heroku/python/lib/python3.13',
           remote:         '/app/.heroku/python/lib/python3.13/lib-dynload',
           remote:         '/app/.heroku/python/lib/python3.13/site-packages'\\]
+          remote:        
           remote:        1 static file copied to '/tmp/build_\\w+/backend/staticfiles'.
           remote: 
           remote: -----> Saving cache
@@ -86,12 +88,15 @@
           remote:         'PWD': '/tmp/build_\\w+',
           remote:         'PYTHONPATH': '/invalid-path',
           remote:         'PYTHONUNBUFFERED': '1'\\}
+          remote:        
           remote:        \\['/tmp/build_\\w+',
           remote:         '/invalid-path',
           remote:         '/app/.heroku/python/lib/python39.zip',
           remote:         '/app/.heroku/python/lib/python3.9',
           remote:         '/app/.heroku/python/lib/python3.9/lib-dynload',
           remote:         '/app/.heroku/python/lib/python3.9/site-packages'\\]
+          remote:        Copying '/tmp/build_\\w+/testapp/static/robots.txt'
+          remote:        
           remote:        1 static file copied to '/tmp/build_\\w+/staticfiles'.
           remote: 
           remote: -----> Saving cache