Fix install-build-deps.sh --quick-check

build/install-build-deps.sh

 #!/bin/bash -e
 
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Script to install everything needed to build chromium (well, ideally, anyway)
 # See https://chromium.googlesource.com/chromium/src/+/master/docs/linux_build_instructions.md
 
 usage() {
@@ skipping 354 matching lines @@
 fi
 
 # The `sort -r -s -t: -k2` sorts all the :i386 packages to the front, to avoid
 # confusing dpkg-query (crbug.com/446172).
 packages="$(
   echo "${dev_list} ${lib_list} ${dbg_list} ${lib32_list} ${arm_list}"\
        "${nacl_list}" | tr " " "\n" | sort -u | sort -r -s -t: -k2 | tr "\n" " "
 )"
 
 if [ 1 -eq "${do_quick_check-0}" ] ; then
-  failed_check="$(dpkg-query -W -f '${PackageSpec}:${Status}\n' \
-    ${packages} 2>&1 | grep -v "ok installed" || :)"
-  if [ -n "${failed_check}" ]; then
-    echo
-    nomatch="$(echo "${failed_check}" | \
-      sed -e "s/^No packages found matching \(.*\).$/\1/;t;d")"
-    missing="$(echo "${failed_check}" | \
-      sed -e "/^No packages found matching/d;s/^\(.*\):.*$/\1/")"
-    if [ "$nomatch" ]; then
-      # Distinguish between packages that actually aren't available to the
-      # system (i.e. not in any repo) and packages that just aren't known to
-      # dpkg (i.e. managed by apt).
-      unknown=""
-      for p in ${nomatch}; do
-        if apt-cache show ${p} > /dev/null 2>&1; then
-          missing="${p}\n${missing}"
-        else
-          unknown="${p}\n${unknown}"
-        fi
-      done
-      if [ -n "${unknown}" ]; then
-        echo "WARNING: The following packages are unknown to your system"
-        echo "(maybe missing a repo or need to 'sudo apt-get update'):"
-        echo -e "${unknown}" | sed -e "s/^/  /"
+  if ! missing_packages="$(dpkg-query -W -f ' ' ${packages} 2>&1)"; then
+    # Distinguish between packages that actually aren't available to the
+    # system (i.e. not in any repo) and packages that just aren't known to
+    # dpkg (i.e. managed by apt).
+    missing_packages="$(echo "${missing_packages}" | awk '{print $NF}')"
+    not_installed=""
+    unknown=""
+    for p in ${missing_packages}; do
+      if apt-cache show ${p} > /dev/null 2>&1; then
+        not_installed="${p}\n${not_installed}"
+      else
+        unknown="${p}\n${unknown}"
       fi
+    done
+    if [ -n "${not_installed}" ]; then
+      echo "WARNING: The following packages are not installed:"
+      echo -e "${not_installed}" | sed -e "s/^/  /"
     fi
-    if [ -n "${missing}" ]; then
-      echo "WARNING: The following packages are not installed:"
-      echo -e "${missing}" | sed -e "s/^/  /"
+    if [ -n "${unknown}" ]; then
+      echo "WARNING: The following packages are unknown to your system"
+      echo "(maybe missing a repo or need to 'sudo apt-get update'):"
+      echo -e "${unknown}" | sed -e "s/^/  /"
     fi
     exit 1
   fi
   exit 0
 fi
 
 if test "$do_inst_lib32" = "1" || test "$do_inst_nacl" = "1"; then
   if [[ ! $lsb_release =~ (precise) ]]; then
     sudo dpkg --add-architecture i386
   fi
@@ skipping 84 matching lines @@
   # only contains libcrypto.so.1.0.0 and not the symlink needed for
   # linking (libcrypto.so).
   create_library_symlink /lib/i386-linux-gnu/libcrypto.so.1.0.0 \
       /usr/lib/i386-linux-gnu/libcrypto.so
 
   create_library_symlink /lib/i386-linux-gnu/libssl.so.1.0.0 \
       /usr/lib/i386-linux-gnu/libssl.so
 else
   echo "Skipping symbolic links for NaCl."
 fi