Skip to content

fix(ci): hydrate script starved sys.stdin by colliding with the heredoc #230

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
dfa1 merged 1 commit into from
Jul 7, 2026
Merged

fix(ci): hydrate script starved sys.stdin by colliding with the heredoc #230

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 14 additions & 3 deletions scripts/hydrate-raincloud-corpus.sh
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -67,10 +67,18 @@ if [ ${#SLUGS[@]} -eq 0 ]; then
fi

mkdir -p "$(dirname "$MANIFEST")"
printf '%s\n' "${SLUGS[@]}" | MAX_MB="$MAX_MB" MANIFEST="$MANIFEST" "$VENV/bin/python" - <<'PY'

# `python - <<'PY'` reads the PROGRAM from stdin, so stdin is unavailable for data:
# piping the slug list into it would collide with the heredoc (the interpreter would
# either execute the slugs as source or see an empty sys.stdin). Hand the slugs over
# in a temp file instead and let the program read that.
SLUGFILE="$(mktemp)"
trap 'rm -f "$SLUGFILE"' EXIT
printf '%s\n' "${SLUGS[@]}" > "$SLUGFILE"

MAX_MB="$MAX_MB" MANIFEST="$MANIFEST" SLUGFILE="$SLUGFILE" "$VENV/bin/python" - <<'PY'
import json
import os
import sys
from importlib import resources

import raincloud
Expand All @@ -85,9 +93,12 @@ sizes = {
for slug, entry in snapshot["slugs"].items()
}

with open(os.environ["SLUGFILE"]) as fh:
slugs = [line.strip() for line in fh if line.strip()]

hydrated, skipped = 0, 0
with open(os.environ["MANIFEST"], "w") as manifest:
for slug in (line.strip() for line in sys.stdin if line.strip()):
for slug in slugs:
size = sizes.get(slug, 0)
if max_bytes and size > max_bytes:
print(f"skip {slug}: {size / 1e6:.0f} MB exceeds --max-mb")
Expand Down
Loading