Constant RUNTIME_LIBRARY 

pub const RUNTIME_LIBRARY: &str = "#!/bin/sh
rash_require() {
if ! \"$@\"; then
echo \"FATAL: Requirement failed: $*\" >&2
exit 1
fi
}
rash_assert() {
if ! \"$@\"; then
echo \"ASSERTION FAILED: $*\" >&2
exit 2
fi
}
rash_file_exists() {
test -f \"$1\"
}
rash_dir_exists() {
test -d \"$1\"
}
rash_is_writable() {
test -w \"$1\"
}
rash_is_readable() {
test -r \"$1\"
}
rash_atomic_write() {
local content=\"$1\"
local target=\"$2\"
local temp=\"${target}.tmp.$$\"
echo \"$content\" > \"$temp\"
mv \"$temp\" \"$target\"
}
rash_download_verified() {
local url=\"$1\"
local dst=\"$2\"
local checksum=\"$3\"
if command -v curl >/dev/null 2>&1; then
curl -fsSL --proto '=https' --tlsv1.2 \"$url\" -o \"$dst\"
elif command -v wget >/dev/null 2>&1; then
wget -qO \"$dst\" \"$url\"
else
echo \"FATAL: Neither curl nor wget found\" >&2
return 1
fi
if command -v sha256sum >/dev/null 2>&1; then
echo \"$checksum  $dst\" | sha256sum -c >/dev/null
elif command -v shasum >/dev/null 2>&1; then
echo \"$checksum  $dst\" | shasum -a 256 -c >/dev/null
else
echo \"FATAL: No checksum utility found\" >&2
return 1
fi
}
rash_extract_tar() {
local archive=\"$1\"
local dest=\"$2\"
tar -xf \"$archive\" -C \"$dest\" --no-same-owner --no-same-permissions
}
rash_extract_tar_gz() {
local archive=\"$1\"
local dest=\"$2\"
if command -v gzip >/dev/null 2>&1; then
gzip -dc \"$archive\" | tar -xf - -C \"$dest\" --no-same-owner --no-same-permissions
else
tar -xzf \"$archive\" -C \"$dest\" --no-same-owner --no-same-permissions
fi
}
rash_detect_arch() {
local arch
arch=\"$(uname -m)\"
case \"$arch\" in
x86_64|amd64)
echo \"x86_64\"
;;
aarch64|arm64)
echo \"aarch64\"
;;
armv7l|armhf)
echo \"armv7\"
;;
i386|i686)
echo \"i386\"
;;
*)
echo \"unknown\"
return 1
;;
esac
}
rash_detect_os() {
local os
os=\"$(uname -s)\"
case \"$os\" in
Linux)
echo \"linux\"
;;
Darwin)
echo \"macos\"
;;
FreeBSD)
echo \"freebsd\"
;;
OpenBSD)
echo \"openbsd\"
;;
NetBSD)
echo \"netbsd\"
;;
*)
echo \"unknown\"
return 1
;;
esac
}
rash_detect_platform() {
local os arch
os=\"$(rash_detect_os)\" || return 1
arch=\"$(rash_detect_arch)\" || return 1
echo \"${arch}-${os}\"
}
rash_log_info() {
echo \"INFO: $*\" >&2
}
rash_log_warn() {
echo \"WARN: $*\" >&2
}
rash_log_error() {
echo \"ERROR: $*\" >&2
}
rash_log_debug() {
if [ \"${RASH_DEBUG:-}\" = \"1\" ]; then
echo \"DEBUG: $*\" >&2
fi
}
rash_has_command() {
command -v \"$1\" >/dev/null 2>&1
}
rash_require_command() {
local cmd=\"$1\"
if ! rash_has_command \"$cmd\"; then
echo \"FATAL: Required command '$cmd' not found\" >&2
exit 1
fi
}
rash_mktemp_dir() {
local template=\"${1:-rash.XXXXXX}\"
local tmpdir=\"${TMPDIR:-/tmp}\"
if command -v mktemp >/dev/null 2>&1; then
mktemp -d \"$tmpdir/$template\"
else
local dir=\"$tmpdir/$template.$$\"
mkdir -p \"$dir\"
echo \"$dir\"
fi
}
rash_chmod() {
local perms=\"$1\"
local file=\"$2\"
case \"$perms\" in
[0-7][0-7][0-7])
chmod \"$perms\" \"$file\"
;;
*)
echo \"ERROR: Invalid permission format: $perms\" >&2
return 1
;;
esac
}
rash_str_contains() {
local string=\"$1\"
local substring=\"$2\"
case \"$string\" in
*\"$substring\"*)
return 0
;;
*)
return 1
;;
esac
}
rash_str_starts_with() {
local string=\"$1\"
local prefix=\"$2\"
case \"$string\" in
\"$prefix\"*)
return 0
;;
*)
return 1
;;
esac
}
rash_str_ends_with() {
local string=\"$1\"
local suffix=\"$2\"
case \"$string\" in
*\"$suffix\")
return 0
;;
*)
return 1
;;
esac
}
rash_version_compare() {
local version1=\"$1\"
local operator=\"$2\"
local version2=\"$3\"
case \"$operator\" in
\"=\"|\"==\")
[ \"$version1\" = \"$version2\" ]
;;
\"!=\"|\"<>\")
[ \"$version1\" != \"$version2\" ]
;;
*)
echo \"ERROR: Unsupported version operator: $operator\" >&2
return 1
;;
esac
}";

Embedded Rash runtime library