tests/test-convert-darcs.t

filectx: use ctx.size comparisons to speed up ctx.cmp

Comparing sizes is cheaper than comparing file contents, as it does not
involve reading the file on disk or from the filelog.

It is however not always possible: some extensions, or encode filters,
change data when extracting it to the working directory.

  $ "$TESTDIR/hghave" darcs || exit 80
  $ echo "[extensions]" >> $HGRCPATH
  $ echo "convert=" >> $HGRCPATH
  $ echo 'graphlog =' >> $HGRCPATH
  $ DARCS_EMAIL='[e-mail]'; export DARCS_EMAIL
  $ HOME=`pwd`/do_not_use_HOME_darcs; export HOME

skip if we can't import elementtree

  $ mkdir dummy
  $ mkdir dummy/_darcs
  $ if hg convert dummy 2>&1 | grep ElementTree > /dev/null; then
  >     echo 'skipped: missing feature: elementtree module'
  >     exit 80
  > fi

try converting darcs1 repository

  $ hg clone -q "$TESTDIR/darcs1.hg" darcs
  $ hg convert -s darcs darcs/darcs1 2>&1 | grep darcs-1.0
  darcs-1.0 repository format is unsupported, please upgrade

initialize darcs repo

  $ mkdir darcs-repo
  $ cd darcs-repo
  $ darcs init
  $ echo a > a
  $ darcs record -a -l -m p0
  Finished recording patch 'p0'
  $ cd ..

branch and update

  $ darcs get darcs-repo darcs-clone >/dev/null
  $ cd darcs-clone
  $ echo c >> a
  $ echo c > c
  $ darcs record -a -l -m p1.1
  Finished recording patch 'p1.1'
  $ cd ..

update source

  $ cd darcs-repo
  $ echo b >> a
  $ echo b > b
  $ darcs record -a -l -m p1.2
  Finished recording patch 'p1.2'

merge branch

  $ darcs pull -a ../darcs-clone
  Backing up ./a(-darcs-backup0)
  We have conflicts in the following files:
  ./a
  Finished pulling and applying.
  $ sleep 1
  $ echo e > a
  $ echo f > f
  $ mkdir dir
  $ echo d > dir/d
  $ echo d > dir/d2
  $ darcs record -a -l -m p2
  Finished recording patch 'p2'

test file and directory move

  $ darcs mv f ff

Test remove + move

  $ darcs remove dir/d2
  $ rm dir/d2
  $ darcs mv dir dir2
  $ darcs record -a -l -m p3
  Finished recording patch 'p3'

test utf-8 commit message and author

  $ echo g > g

darcs is encoding agnostic, so it takes whatever bytes it's given

  $ darcs record -a -l -m 'p4: desc ñ' -A 'author ñ'
  Finished recording patch 'p4: desc ñ'
  $ glog()
  > {
  >     HGENCODING=utf-8 hg glog --template '{rev} "{desc|firstline}" ({author}) files: {files}\n' "$@"
  > }
  $ cd ..
  $ hg convert darcs-repo darcs-repo-hg
  initializing destination darcs-repo-hg repository
  scanning source...
  sorting...
  converting...
  5 p0
  4 p1.2
  3 p1.1
  2 p2
  1 p3
  0 p4: desc ?

The converter does not currently handle patch conflicts very well.
When they occur, it reverts *all* changes and moves forward,
letting the conflict resolving patch fix collisions.
Unfortunately, non-conflicting changes, like the addition of the
"c" file in p1.1 patch are reverted too.
Just to say that manifest not listing "c" here is a bug.

  $ glog -R darcs-repo-hg
  o  5 "p4: desc ñ" (author ñ) files: g
  |
  o  4 "p3" ([e-mail]) files: dir/d dir/d2 dir2/d f ff
  |
  o  3 "p2" ([e-mail]) files: a dir/d dir/d2 f
  |
  o  2 "p1.1" ([e-mail]) files:
  |
  o  1 "p1.2" ([e-mail]) files: a b
  |
  o  0 "p0" ([e-mail]) files: a
  
  $ hg up -q -R darcs-repo-hg
  $ hg -R darcs-repo-hg manifest --debug
  7225b30cdf38257d5cc7780772c051b6f33e6d6b 644   a
  1e88685f5ddec574a34c70af492f95b6debc8741 644   b
  37406831adc447ec2385014019599dfec953c806 644   dir2/d
  b783a337463792a5c7d548ad85a7d3253c16ba8c 644   ff
  0973eb1b2ecc4de7fafe7447ce1b7462108b4848 644   g