tests/test-convert-bzr-ghosts.t
author Manuel Jacob <me@manueljacob.de>
Mon, 01 Jun 2020 20:57:14 +0200
changeset 44985 1ca0047fd7e1
parent 39707 5abc47d4ca6b
child 47377 26127236b229
permissions -rw-r--r--
absorb: preserve changesets which were already empty Most commands in Mercurial (commit, rebase, absorb itself) don’t create empty changesets or drop them if they become empty. If there’s a changeset that’s empty, it must be a deliberate choice of the user. At least it shouldn’t be absorb’s responsibility to prune them. The fact that changesets that became empty during absorb are pruned, is unaffected by this. This case was found while writing patches which make it possible to configure absorb and rebase to not drop empty changesets. Even without having such config set, I think it’s valuable to preserve changesets which were already empty.
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#require bzr
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  $ . "$TESTDIR/bzr-definitions"
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  $ cat > ghostcreator.py <<EOF
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  > import sys
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  > from bzrlib import workingtree
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  > wt = workingtree.WorkingTree.open('.')
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  > 
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  > message, ghostrev = sys.argv[1:]
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  > wt.set_parent_ids(wt.get_parent_ids() + [ghostrev])
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  > wt.commit(message)
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  > EOF
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ghost revisions
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  $ mkdir test-ghost-revisions
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  $ cd test-ghost-revisions
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  $ bzr init -q source
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  $ cd source
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  $ echo content > somefile
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  $ bzr add -q somefile
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  $ bzr commit -q -m 'Initial layout setup'
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  $ echo morecontent >> somefile
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  $ "$PYTHON" ../../ghostcreator.py 'Commit with ghost revision' ghostrev
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  $ cd ..
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  $ hg convert source source-hg
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  initializing destination source-hg repository
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  scanning source...
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  sorting...
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  converting...
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  1 Initial layout setup
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  0 Commit with ghost revision
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  $ glog -R source-hg
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  o  1@source "Commit with ghost revision" files+: [], files-: [], files: [somefile]
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  |
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  o  0@source "Initial layout setup" files+: [somefile], files-: [], files: []
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  $ cd ..