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#!/usr/bin/env bash
#
# Run Gradle tasks against an explicitly-named project and report the result from
# the exit code, never from the console text.
#
# Why this exists: reading "BUILD SUCCESSFUL" out of piped Gradle output is not a
# reliable signal. A shell chain like `cd dir && cp f . ` followed on the next
# line by `./gradlew test` will happily run Gradle in whatever directory the
# shell was already in if the cd failed, and the success line it prints is then
# about a different project entirely. That failure mode is silent and reads
# exactly like success.
#
# Usage:
# gradle-verify <project-dir> <gradle-task...> [-- <extra gradle args>]
#
# Exits with Gradle's own exit code. Prints a summary block that names the
# absolute project directory actually used.
set -euo pipefail
die() { printf '%s: %s\n' "$(basename "$0")" "$*" >&2; exit 2; }
[ $# -ge 2 ] || die "usage: $(basename "$0") <project-dir> <gradle-task...> [-- <gradle args>]"
raw_dir=$1; shift
# Resolve to an absolute path up front and fail loudly if it is not what we
# expect. Every later step uses this resolved value, so there is nothing for an
# ambient cwd to influence.
project_dir=$(cd "$raw_dir" 2>/dev/null && pwd) \
|| die "project dir does not exist or is not readable: $raw_dir"
[ -x "$project_dir/gradlew" ] \
|| die "no executable gradlew in: $project_dir"
tasks=()
extra=()
seen_sep=0
for arg in "$@"; do
if [ "$arg" = "--" ]; then seen_sep=1; continue; fi
if [ $seen_sep -eq 1 ]; then extra+=("$arg"); else tasks+=("$arg"); fi
done
[ ${#tasks[@]} -ge 1 ] || die "no gradle tasks given"
printf '=== gradle-verify ===\n'
printf 'project : %s\n' "$project_dir"
printf 'tasks : %s\n' "${tasks[*]}"
[ ${#extra[@]} -gt 0 ] && printf 'args : %s\n' "${extra[*]}"
# -p pins the project directory regardless of cwd. Note gradlew is invoked by
# absolute path too, so we are not depending on PATH or on cwd for the wrapper
# either.
set +e
"$project_dir/gradlew" -p "$project_dir" "${tasks[@]}" ${extra[@]+"${extra[@]}"}
status=$?
set -e
printf 'exit : %d\n' "$status"
if [ $status -eq 0 ]; then
printf 'result : PASS\n'
else
printf 'result : FAIL\n'
fi
exit $status
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