Handle the more verbose apt-get output format sometimes seen ...

build/install-build-deps.sh

 #!/bin/bash -e
 
 # Script to install everything needed to build chromium (well, ideally, anyway)
 # See http://code.google.com/p/chromium/wiki/LinuxBuildInstructions
 # and http://code.google.com/p/chromium/wiki/LinuxBuild64Bit
 
 if ! egrep -q "Ubuntu 8.04|Ubuntu 8.10" /etc/issue; then
   echo "Only Ubuntu 8.04 and 8.10 are currently supported" >&2
   exit 1
 fi
@@ skipping 83 matching lines @@
 fi
 
 sudo apt-get update
 
 # We initially run "apt-get" with the --reinstall option and parse its output.
 # This way, we can find all the packages that need to be newly installed
 # without accidentally promoting any packages from "auto" to "manual".
 # We then re-run "apt-get" with just the list of missing packages.
 echo "Finding missing packages..."
 new_list="$(yes n |
-            sudo apt-get install --reinstall \
+            LANG=C sudo apt-get install --reinstall \
                          ${dev_list} ${lib_list} ${dbg_list} \
                          $([ "$(uname -m)" = x86_64 ] && echo ${cmp_list}) \
                          2>/dev/null |
-            sed -e 's/^  //;t;d')"
+            sed -e '1,/The following NEW packages will be installed:/d;s/^  //;t;d')"
 
 echo "Installing missing packages..."
 sudo apt-get install ${new_list}
 
 # Install 32bit backwards compatibility support for 64bit systems
 if [ "$(uname -m)" = x86_64 ]; then
   echo "Installing 32bit libraries that are not already provided by the system"
   echo
   echo "While we only need to install a relatively small number of library"
   echo "files, we temporarily need to download a lot of large *.deb packages"
@@ skipping 119 matching lines @@
              sed -e 's/[.]so[.][0-9].*/.so/' |
              sort -u); do
     [ "x${i##*/}" = "xld-linux.so" ] && continue
     [ -r "$i" ] && continue
     j="$(ls "$i."* | sed -e 's/.*[.]so[.]\([^.]*\)$/\1/;t;d' |
          sort -n | tail -n 1)"
     [ -r "$i.$j" ] || continue
     sudo ln -s "${i##*/}.$j" "$i"
   done
 fi