tools/check-version.sh

   1 #!/usr/bin/env bash
   2 # SPDX-License-Identifier: LGPL-2.1-or-later
   3 set -eu
   4 set -o pipefail
   5
   6 # Note: 'grep ... >/dev/null' instead of just 'grep -q' is used intentionally
   7 #       here, since 'grep -q' exits on the first match causing SIGPIPE being
   8 #       sent to the sender.
   9
  10 BINARY="${1:?}"
  11 VERSION="${2:?}"
  12 export SYSTEMD_LOG_LEVEL=info
  13
  14 if [[ ! -x "$BINARY" ]]; then
  15     echo "$BINARY is not an executable"
  16     exit 1
  17 fi
  18
  19 # --version prints something. Also catches case where args are ignored.
  20 if ! "$BINARY" --version | grep . >/dev/null; then
  21     echo "$(basename "$BINARY") --version output is empty"
  22     exit 2
  23 fi
  24
  25 # no --version output to stderr
  26 if "$BINARY" --version 2>&1 1>/dev/null | grep .; then
  27     echo "$(basename "$BINARY") --version prints to stderr"
  28     exit 3
  29 fi
  30
  31 # project version appears in version output
  32 out="$("$BINARY" --version)"
  33 if ! grep -F "$VERSION" >/dev/null <<<"$out"; then
  34     echo "$(basename "$BINARY") --version output does not match '$VERSION': $out"
  35     exit 4
  36 fi