#chg-compatible

#  Linear tree case
#
#  9 <- known bad - - -
#  |                   |
#  8                   |
#  |                 nothing
#  7                 changes
#  |                   |
#  6 <- introduce bug -       <- 1 iter: skipping as bad, 2: the answer
#  |
#  5                          <- 2 iter: checking this
#  |
#  4 - - - - - - - - -        <- 1 iter: skipping as good
#  |                  |
#  3                  |
#  |                nothig
#  2              changes in
#  |                sparse
#  1                  |
#  |                  |
#  0 <- known good - -

test bisect-sparse
  $ enable sparse
  $ hg init myrepo
  $ cd myrepo

  $ echo a > sparse-included-file
  $ echo x > sparse-excluded-file
  $ hg ci -Aqm 'good 0'

  $ echo y > sparse-excluded-file
  $ hg ci -Aqm 'good 1'

  $ echo x > sparse-excluded-file
  $ hg ci -Aqm 'good 2'

  $ echo y > sparse-excluded-file
  $ hg ci -Aqm 'good 3'

  $ echo x > sparse-excluded-file
  $ hg ci -Aqm 'good 4'

  $ echo b > sparse-included-file
  $ echo y > sparse-excluded-file
  $ hg ci -Aqm 'good 5'

  $ echo a > sparse-included-file
  $ echo x > sparse-excluded-file
  $ hg ci -Aqm 'bad  6 - introducing bug'

  $ echo y > sparse-excluded-file
  $ hg ci -Aqm 'bad  7'

  $ echo x > sparse-excluded-file
  $ hg ci -Aqm 'bad  8'

  $ echo y > sparse-excluded-file
  $ hg ci -Aqm 'bad  9'

  $ hg sparse include sparse-included-file
  $ hg sparse exclude sparse-excluded-file

verify bisect skips empty sparse commits (2,3)

  $ hg up -r a75e20cc7b2a2582473ff9b3ca5abcb67e095734
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg bisect --good
  $ hg up 'max(desc(bad))'
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg bisect --bad
  Skipping changeset e116419d642b as there are no changes inside
  the sparse profile from the known good changeset a75e20cc7b2a
  Skipping changeset 6b9461e31152 as there are no changes inside
  the sparse profile from the known bad changeset d910e57b873b
  Testing changeset 2ecc2db0df15 (2 changesets remaining, ~1 tests)
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg bisect --good
  The first bad revision is:
  commit:      6b9461e31152
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     bad  6 - introducing bug
  

check --nosparseskip flag

  $ hg bisect --reset
  $ hg bisect -g a75e20cc7b2a2582473ff9b3ca5abcb67e095734
  $ hg bisect -b 'max(desc(bad))' -S
  Testing changeset e116419d642b (9 changesets remaining, ~3 tests)
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg bisect --good --nosparseskip
  Testing changeset 6b9461e31152 (5 changesets remaining, ~2 tests)
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg bisect --bad --nosparseskip
  Testing changeset 2ecc2db0df15 (2 changesets remaining, ~1 tests)
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg bisect --good
  The first bad revision is:
  commit:      6b9461e31152
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     bad  6 - introducing bug
  


verify skipping works with --command flag

  $ cat > script.py <<EOF
  > from __future__ import absolute_import
  > import sys
  > from edenscm.mercurial import hg, ui as uimod
  > repo = hg.repository(uimod.ui.load(), '.')
  > if repo['.'].rev() >= 6: # where the bug was introduced
  >     sys.exit(1)
  > EOF
  $ chmod +x script.py

  $ hg bisect --reset
  $ hg bisect -g a75e20cc7b2a2582473ff9b3ca5abcb67e095734
  $ hg up 'max(desc(bad))'
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg bisect --command "hg debugpython -- script.py"
  changeset d910e57b873b: bad
  Skipping changeset e116419d642b as there are no changes inside
  the sparse profile from the known good changeset a75e20cc7b2a
  Skipping changeset 6b9461e31152 as there are no changes inside
  the sparse profile from the known bad changeset d910e57b873b
  changeset 2ecc2db0df15: good
  The first bad revision is:
  commit:      6b9461e31152
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     bad  6 - introducing bug
  




# Tree with merge commits case
#
#                  14 <- known bad
#                  |
#                  13 - - - - - - - - - - nothing
#                 /  \                    changes
#  nothing       |    12 <- introduce - - - -|
#  changes - - - 9    |        bug
#  |             |    11
#  |             |    |
#  |    known -> 8    10
#  |    good      \  /
#  |               7 <- extends to
#  |               |
#   - - - - - - - -6
#                  |

New test set

  $ hg bisect --reset
  $ hg up 94c6ab768effbbaded05574a85dea765cebf25b4
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved

  $ echo r > sparse-included-file
  $ echo z > sparse-excluded-file
  $ echo dsf > esFE
  $ hg ci -Am '10'

  $ echo a > sparse-included-file
  $ echo x > sparse-excluded-file
  $ hg ci -Aqm '11'

  $ echo r > sparse-included-file
  $ echo z > sparse-excluded-file
  $ hg ci -Aqm '12'

  $ hg merge -r 'max(desc(bad))'
  temporarily included 1 file(s) in the sparse checkout for merging
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  (branch merge, don't forget to commit)
  $ hg ci -Aqm '13: merge(9,12)'

  $ echo t > sparse-included-file
  $ echo v > sparse-excluded-file
  $ hg ci -Aqm '14'

  $ hg bisect -g a6b1a23ad56a41a184666a5c633a51117fec5208
  $ hg bisect -b 'desc(14)'
  Skipping changeset d910e57b873b as there are no changes inside
  the sparse profile from the known good changeset a6b1a23ad56a
  Testing changeset a41c9f2666a8 (2 changesets remaining, ~1 tests)
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg bisect --bad
  The first bad revision is:
  commit:      a41c9f2666a8
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     13: merge(9,12)
  
  Not all ancestors of this changeset have been checked.
  Use bisect --extend to continue the bisection from
  the common ancestor, 94c6ab768eff.





  $ hg bisect --extend
  Extending search to changeset 94c6ab768eff
  Skipping changeset 94c6ab768eff as there are no changes inside
  the sparse profile from the known good changeset d910e57b873b
  Testing changeset 7038c7a4f757 (4 changesets remaining, ~2 tests)
  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg bisect --good
  Skipping changeset e694d9484bb8 as there are no changes inside
  the sparse profile from the known bad changeset a41c9f2666a8
  The first bad revision is:
  commit:      e694d9484bb8
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     12
  






Empty case with --command flag: all commits are skipped

#  18 <- known bad - - -
#  |                   |
#  |                 nothing
#  |                 changes
#  |                   |
#  17 <- introduce bug -       <- 1 iter: skipping as bad
#  |
#  16 - - - - - - - - -        <- 1 iter: skipping as good
#  |                  |
#  |                nothing
#  |                changes
#  |                  |
#  15 <- known good - -
#  |

  $ echo "known good" > sparse-new-excluded-file
  $ echo "known good" > sparse-included-file
  $ hg sparse include sparse-new-excluded-file
  $ hg ci -Aqm 'known good - 15'

  $ echo "empty good" > sparse-new-excluded-file
  $ hg ci -Aqm 'empty good - 16'

  $ echo "empty bad" > sparse-new-excluded-file
  $ echo "empty bad" > sparse-included-file
  $ hg ci -Aqm 'empty bad - 17'

  $ echo "known bad" > sparse-new-excluded-file
  $ hg ci -Aqm 'known bad - 18'

  $ hg sparse exclude sparse-new-excluded-file

  $ hg bisect --reset
  $ hg bisect -g 6e74f05c0613d7861ac62eefb6974abf63ecce4f
  $ hg bisect -c "test $(hg log -r . -T '{rev}') -lt 17"
  changeset ddea298cfd5a: bad
  Skipping changeset 8654dd939818 as there are no changes inside
  the sparse profile from the known good changeset 6e74f05c0613
  Skipping changeset 9ca8d13c5161 as there are no changes inside
  the sparse profile from the known bad changeset ddea298cfd5a
  The first bad revision is:
  commit:      9ca8d13c5161
  user:        test
  date:        Thu Jan 01 00:00:00 1970 +0000
  summary:     empty bad - 17