On Tue, Apr 8, 2014 at 4:42 PM, Lukas Czerner <lczerner@xxxxxxxxxx> wrote:
> With changes introduced in 667308dd97bf41382d4ab299fa5b56c235cfeb27
> it is no longer possible to use SCRATCH_DEV_POOL variable because of
> error:
>
> common/config: Error: $SCRATCH_DEV should be unset when
> $SCRATCH_DEV_POOL is set
>
> This was because get_next_config() would get called twice and hence it
> would complain on the second run that SCRATCH_DEV is already set. Fix
> it by making sure that we call get_next_config() only once if there
> are no sections in the config file.
>
> Also make sure that we export SCRATCH_DEV in the case we're deducing it
> from SCRATCH_DEV_POOL.
>
> Signed-off-by: Lukas Czerner <lczerner@xxxxxxxxxx>
> Reported-by: Filipe David Manana <fdmanana@xxxxxxxxx>
Tested-by: Filipe David Manana <fdmanana@xxxxxxxxx>
Tests working for btrfs now.
Thanks Lukas.
> ---
> common/config | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/common/config b/common/config
> index 4178c27..6fa18e2 100644
> --- a/common/config
> +++ b/common/config
> @@ -360,6 +360,10 @@ parse_config_section() {
> }
>
> get_next_config() {
> + if [ ! -z "$CONFIG_INCLUDED" ] && ! $OPTIONS_HAVE_SECTIONS; then
> + return 0
> + fi
> +
> local OLD_FSTYP=$FSTYP
> local OLD_MOUNT_OPTIONS=$MOUNT_OPTIONS
> local OLD_MKFS_OPTIONS=$MKFS_OPTIONS
> @@ -414,10 +418,11 @@ get_next_config() {
> # to SCRATCH_DEV and rest to SCRATCH_DEV_POOL to maintain the backward compatibility
> if [ ! -z "$SCRATCH_DEV_POOL" ]; then
> if [ ! -z "$SCRATCH_DEV" ]; then
> - echo "common/config: Error: \$SCRATCH_DEV should be unset when \$SCRATCH_DEV_POOL is set"
> + echo "common/config: Error: \$SCRATCH_DEV ($SCRATCH_DEV) should be unset when \$SCRATCH_DEV_POOL ($SCRATCH_DEV_POOL) is set"
> exit 1
> fi
> SCRATCH_DEV=`echo $SCRATCH_DEV_POOL | awk '{print $1}'`
> + export SCRATCH_DEV
> fi
>
> echo $SCRATCH_DEV | grep -q ":" > /dev/null 2>&1
> --
> 1.8.3.1
>
--
Filipe David Manana,
"Reasonable men adapt themselves to the world.
Unreasonable men adapt the world to themselves.
That's why all progress depends on unreasonable men."
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