setup-java/__tests__/check-dir.sh
Bruno Borges 0040423ea0 Extract repeated directory-check assertions into check-dir.sh helper
The e2e-cache.yml workflow repeated the same inline shell block many times
to assert a cache directory exists (and list it), plus inverse checks that a
directory does NOT exist (the gradle2/maven2/sbt2 cache-miss jobs).

Add `__tests__/check-dir.sh` (POSIX sh, executable) with a
`check-dir.sh <dir> [present|absent]` interface and replace every inline
check with a call to it, passing already-expanded $HOME paths to avoid
tilde-expansion pitfalls. The sbt jobs override working-directory, so they
call the helper via $GITHUB_WORKSPACE. Per-OS Coursier conditionals and all
build steps are left unchanged.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
2026-07-15 10:49:59 -04:00

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#!/bin/sh
# Assert whether a directory exists, for use in the e2e cache workflows.
#
# Usage: check-dir.sh <dir> [present|absent]
#
# present (default): fail if <dir> does NOT exist, otherwise list its contents.
# absent: fail if <dir> DOES exist.
#
# Call with already-expanded paths (e.g. "$HOME/.gradle/caches") to avoid
# tilde-expansion pitfalls.
set -eu
dir=$1
mode=${2:-present}
case "$mode" in
present)
if [ ! -d "$dir" ]; then
echo "::error::The $dir directory does not exist unexpectedly"
exit 1
fi
ls "$dir"
;;
absent)
if [ -d "$dir" ]; then
echo "::error::The $dir directory exists unexpectedly"
exit 1
fi
;;
*)
echo "::error::Unknown mode '$mode' (expected 'present' or 'absent')"
exit 1
;;
esac