Ely Office: six offline-first desktop apps in Rust and GPUI

ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git),
ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.

tests/scripts/build-libetpan.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# build-libetpan.sh rebuilds stale caches and shows build errors.
+set -euo pipefail
+
+root=$(cd "$(dirname "$0")/../.." && pwd)
+src=$root/reference/libetpan
+[ -d "$src/.git" ] || { echo "SKIP build-libetpan: reference/libetpan is not checked out"; exit 0; }
+work=$(mktemp -d)
+trap 'rm -rf "$work"' EXIT
+fail() {
+  echo "FAIL: $*" >&2
+  exit 1
+}
+
+mkdir -p "$work/scripts" "$work/engines/libetpan/lib" "$work/reference" "$work/tests/engines"
+cp "$root/scripts/build-libetpan.sh" "$work/scripts/"
+cp "$root/tests/engines/libetpan.sh" "$work/tests/engines/"
+ln -s "$src" "$work/reference/libetpan"
+git -C "$src" rev-parse HEAD >"$work/engines/libetpan/PIN"
+touch "$work/engines/libetpan/lib/libetpan.a"
+: >"$work/engines/libetpan/BUILD-config.h"
+
+if OPENSSL_DIR=/nonexistent "$work/scripts/build-libetpan.sh" >"$work/out" 2>&1; then
+  fail "a cached build without TLS was reused"
+fi
+grep -q "no OpenSSL headers under /nonexistent" "$work/out" || fail "the OpenSSL error was not shown"
+
+if OPENSSL_DIR=/nonexistent "$work/tests/engines/libetpan.sh" >"$work/out" 2>&1; then
+  fail "the probe passed on a TLS-less cached build"
+fi
+grep -q "no OpenSSL headers under /nonexistent" "$work/out" || fail "the probe hid the build error"
+
+printf '#define HAVE_OPENSSL 1\n#define HAVE_JSON 1\n' >"$work/engines/libetpan/BUILD-config.h"
+OPENSSL_DIR=/nonexistent "$work/scripts/build-libetpan.sh" >"$work/out" 2>&1 || fail "a valid cache was not reused"
+grep -q "^ok    libetpan" "$work/out" || fail "a valid cache did not print ok"
+
+echo "build-libetpan: stale caches are rebuilt, errors reach stderr, valid caches are reused"