[PATCH build] Add -L command-line option to list build components.

[Trevor Woerner]

ping!

I'm hoping someone else will find this useful enough to want to commit
it, or maybe describe how they would go about doing the same thing.

:-)

On Tue, Aug 10, 2010 at 10:29 PM, Trevor Woerner <twoerner at gmail.com> wrote:
> From: Trevor Woerner <twoerner at gmail.com>
>
> I don't know if others have a better way of doing this, but sometimes it
> would be nice to sit in the top-most directory and perform arbitrary git
> commands in all modules which are being built. E.g.:
>
> for module in `util/modular/build.sh -L`; do
>    pushd $module
>    git status
>    popd
> done
>
> Reviewed-by: Patrick E. Kane <pekane52 at gmail.com>
> Signed-off-by: Trevor Woerner <twoerner at gmail.com>
> ---
>  build.sh |   68 ++++++++++++++++++++++++++++++++++++++-----------------------
>  1 files changed, 42 insertions(+), 26 deletions(-)
>
> diff --git a/build.sh b/build.sh
> index 0bc366b..aef5641 100755
> --- a/build.sh
> +++ b/build.sh
> @@ -145,6 +145,10 @@ clone() {
>  }
>
>  build() {
> +    if [ -n "$LISTONLY" ]; then
> +       echo "$1/$2"
> +       return 0
> +    fi
>     if [ -n "$RESUME" ]; then
>        if [ "$RESUME" = "$1/$2" ]; then
>            unset RESUME
> @@ -701,6 +705,9 @@ usage() {
>     echo "  --autoresume file : autoresume from file"
>     echo "  --check : run make check in addition to others"
>     echo ""
> +    echo "Usage: $0 -L"
> +    echo "  -L : just list modules to build"
> +    echo ""
>     envoptions
>  }
>
> @@ -779,6 +786,9 @@ do
>        shift
>        SUDO=$1
>        ;;
> +    -L)
> +       LISTONLY=1
> +       ;;
>     *)
>        PREFIX=$1
>        ;;
> @@ -787,7 +797,7 @@ do
>     shift
>  done
>
> -if test x"${PREFIX}" = x ; then
> +if test x"${PREFIX}" = x -a -z "$LISTONLY" ; then
>     usage
>     exit
>  fi
> @@ -803,11 +813,13 @@ export HOST_OS
>  export HOST_CPU
>  export LIBDIR
>
> -echo "Building to run $HOST_OS / $HOST_CPU ($HOST)"
> +if [ -z "$LISTONLY" ]; then
> +    echo "Building to run $HOST_OS / $HOST_CPU ($HOST)"
>
> -# Must create local aclocal dir or aclocal fails
> -ACLOCAL_LOCALDIR="${DESTDIR}${PREFIX}/share/aclocal"
> -$SUDO mkdir -p ${ACLOCAL_LOCALDIR}
> +    # Must create local aclocal dir or aclocal fails
> +    ACLOCAL_LOCALDIR="${DESTDIR}${PREFIX}/share/aclocal"
> +    $SUDO mkdir -p ${ACLOCAL_LOCALDIR}
> +fi
>
>  # The following is required to make aclocal find our .m4 macros
>  if test x"$ACLOCAL" = x; then
> @@ -840,10 +852,12 @@ if test x"$FONTPATH" = x; then
>     export FONTPATH
>  fi
>
> -# Create the log file directory
> -$SUDO mkdir -p ${DESTDIR}${PREFIX}/var/log
> +if [ -z "$LISTONLY" ]; then
> +    # Create the log file directory
> +    $SUDO mkdir -p ${DESTDIR}${PREFIX}/var/log
>
> -date
> +    date
> +fi
>
>  # We must install the global macros before anything else
>  build util macros
> @@ -864,26 +878,28 @@ if test $LIB_ONLY -eq 0; then
>     build_util
>  fi
>
> -date
> +if [ -z "$LISTONLY" ]; then
> +    date
>
> -if test "x$nonexistent_components" != x ; then
> -    echo ""
> -    echo "***** Skipped components (not available) *****"
> -    echo "$nonexistent_components"
> -    echo ""
> -fi
> +    if test "x$nonexistent_components" != x ; then
> +       echo ""
> +       echo "***** Skipped components (not available) *****"
> +       echo "$nonexistent_components"
> +       echo ""
> +    fi
>
> -if test "x$failed_components" != x ; then
> -    echo ""
> -    echo "***** Failed components *****"
> -    echo "$failed_components"
> -    echo ""
> -fi
> +    if test "x$failed_components" != x ; then
> +       echo ""
> +       echo "***** Failed components *****"
> +       echo "$failed_components"
> +       echo ""
> +    fi
>
> -if test "x$CLONE" != x && test "x$clonefailed_components" != x ;  then
> -    echo ""
> -    echo "***** Components failed to clone *****"
> -    echo "$clonefailed_components"
> -    echo ""
> +    if test "x$CLONE" != x && test "x$clonefailed_components" != x ;  then
> +       echo ""
> +       echo "***** Components failed to clone *****"
> +       echo "$clonefailed_components"
> +       echo ""
> +    fi
>  fi
>
> --
> 1.7.1
>
>