prevent /space/<build> from recreation everytime tinderbuild starts

[Joe Marcus Clarke]

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Oliver Lehmann wrote:
| Hi,
|
| the following idea came to my mind while tinderboxing on an old PII-333
| with a slow IDE disk, and I'm interested what others think about it:
|
| I would like to add a flag to ./tc tinderbuild to prevent /space/<build>
| from recreation (cleanDirs + tar) in case that flag was given on cmdline.

rm -rf'ing cleandirs takes too long?  They should already be mostly
empty (except for leftovers).  The build is only rebuilt on a phase
shift (i.e. between phases 1 and 2).

| I see two ways to prevent any polution from any previous run:
|  1) Remove any left-over file when leftovers are detected in portsbuild.

This is essentially what's done by removing cleandirs.

Joe

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