tests/test-manifest-merging
author Matt Mackall <mpm@selenic.com>
Thu, 11 Oct 2007 00:46:54 -0500
changeset 5451 0a43875677b1
parent 3988 9dcf9d45cab8
permissions -rwxr-xr-x
revlog: break up compression of large deltas Python's zlib apparently makes an internal copy of strings passed to compress(). To avoid this, compress strings 1M at a time, then join them at the end if the result would be smaller than the original. For initial commits of large but compressible files, this cuts peak memory usage nearly in half.
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#!/bin/sh
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echo % init foo-base
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hg init foo-base
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echo % create alpha in first repo
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cd foo-base
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echo 'alpha' > alpha
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hg ci -A -m 'add alpha' -d '1 0'
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cd ..
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echo % clone foo-base to foo-work
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hg clone foo-base foo-work
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echo % create beta in second repo
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cd foo-work
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echo 'beta' > beta
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hg ci -A -m 'add beta' -d '2 0'
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cd ..
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echo % create gamma in first repo
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cd foo-base
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echo 'gamma' > gamma
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hg ci -A -m 'add gamma' -d '3 0'
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cd ..
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echo % pull into work and merge
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cd foo-work
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hg pull -q
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hg merge
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echo % revert to changeset 1 to simulate a failed merge
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rm alpha beta gamma
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hg up -C 1