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view tests/test-committer.t @ 18136:f23dea2b296e

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copies: do not track backward copies, only renames (issue3739) The inverse of a rename is a rename, but the inverse of a copy is not a copy. Presenting it as such -- in particular, stuffing it into the same dict as real copies -- causes bugs because other code starts believing the inverse copies are real. The only test whose output changes is test-mv-cp-st-diff.t. When a backwards status -C command is run where a copy is involved, the inverse copy (which was hitherto presented as a real copy) is no longer displayed. Keeping track of inverse copies is useful in some situations -- composability of diffs, for example, since adding "a" followed by an inverse copy "b" to "a" is equivalent to a rename "b" to "a". However, representing them would require a more complex data structure than the same dict in which real copies are also stored.
author Siddharth Agarwal <sid0@fb.com>
date Wed, 26 Dec 2012 15:04:07 -0800
parents 6409a5c75125
children 625533523c9e
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  $ unset HGUSER
  $ EMAIL="My Name <myname@example.com>"
  $ export EMAIL

  $ hg init test
  $ cd test
  $ touch asdf
  $ hg add asdf
  $ hg commit -m commit-1
  $ hg tip
  changeset:   0:53f268a58230
  tag:         tip
  user:        My Name <myname@example.com>
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit-1
  

  $ unset EMAIL
  $ echo 1234 > asdf
  $ hg commit -u "foo@bar.com" -m commit-1
  $ hg tip
  changeset:   1:3871b2a9e9bf
  tag:         tip
  user:        foo@bar.com
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit-1
  
  $ echo "[ui]" >> .hg/hgrc
  $ echo "username = foobar <foo@bar.com>" >> .hg/hgrc
  $ echo 12 > asdf
  $ hg commit -m commit-1
  $ hg tip
  changeset:   2:8eeac6695c1c
  tag:         tip
  user:        foobar <foo@bar.com>
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit-1
  
  $ echo 1 > asdf
  $ hg commit -u "foo@bar.com" -m commit-1
  $ hg tip
  changeset:   3:957606a725e4
  tag:         tip
  user:        foo@bar.com
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     commit-1
  
  $ echo 123 > asdf
  $ echo "[ui]" > .hg/hgrc
  $ echo "username = " >> .hg/hgrc
  $ hg commit -m commit-1
  abort: no username supplied (see "hg help config")
  [255]
  $ rm .hg/hgrc
  $ hg commit -m commit-1 2>&1
  no username found, using '[^']*' instead (re)

  $ echo space > asdf
  $ hg commit -u ' ' -m commit-1
  transaction abort!
  rollback completed
  abort: empty username!
  [255]

  $ cd ..