= NAME =
pre_build

= SYNOPSIS =
pre_build [nostrip]

= DESCRIPTION =
Wait for other builds of the same test running in parallel,

Process the ''Rebuild'' flag, and unpack test sources if necessary.

Build scripts must call this function in the beginning.

= EXAMPLES =

= ENVIRONMENT and ARGUMENTS =
This function uses:
 * $WORKSPACE
 * $JOB_NAME
 * $TRIPLET

Arguments:
 * $1 is passed directly to [[function_unpack|unpack()]]
   * (it can be 'nostrip' or empty)

= RETURN =
Returns 0 if actual build needs to be performed; 1 - otherwise.

= SOURCE =
Located in ''scripts/functions.sh''

= SEE ALSO =
 * [[function_unpack|unpack]], [[function_build|build]]