#!/bin/sh
#
# Copyright (c) 2006 Eric Wong
#

global test_description := ''git rebase --merge --skip tests''

source ./test-lib.sh

# we assume the default git am -3 --skip strategy is tested independently
# and always works :)

test_expect_success setup '
	echo hello > hello &&
	git add hello &&
	git commit -m "hello" &&
	git branch skip-reference &&

	echo world >> hello &&
	git commit -a -m "hello world" &&
	echo goodbye >> hello &&
	git commit -a -m "goodbye" &&

	git checkout -f skip-reference &&
	echo moo > hello &&
	git commit -a -m "we should skip this" &&
	echo moo > cow &&
	git add cow &&
	git commit -m "this should not be skipped" &&
	git branch pre-rebase skip-reference &&
	git branch skip-merge skip-reference
	'

test_expect_success 'rebase with git am -3 (default)' '
	test_must_fail git rebase master
'

test_expect_success 'rebase --skip can not be used with other options' '
	test_must_fail git rebase -v --skip &&
	test_must_fail git rebase --skip -v
'

test_expect_success 'rebase --skip with am -3' '
	git rebase --skip
	'

test_expect_success 'rebase moves back to skip-reference' '
	test refs/heads/skip-reference = $(git symbolic-ref HEAD) &&
	git branch post-rebase &&
	git reset --hard pre-rebase &&
	test_must_fail git rebase master &&
	echo "hello" > hello &&
	git add hello &&
	git rebase --continue &&
	test refs/heads/skip-reference = $(git symbolic-ref HEAD) &&
	git reset --hard post-rebase
'

test_expect_success 'checkout skip-merge' 'git checkout -f skip-merge'

test_expect_success 'rebase with --merge' '
	test_must_fail git rebase --merge master
'

test_expect_success 'rebase --skip with --merge' '
	git rebase --skip
'

test_expect_success 'merge and reference trees equal' '
	test -z "$(git diff-tree skip-merge skip-reference)"
'

test_expect_success 'moved back to branch correctly' '
	test refs/heads/skip-merge = $(git symbolic-ref HEAD)
'

test_debug 'gitk --all & sleep 1'

test_done
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"git rebase --merge --skip tests">)}
          spids: [13]
        )
      ]
      spids: [13]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(setup)} 
      {
        (SQ <"\n"> <"\techo hello > hello &&\n"> <"\tgit add hello &&\n"> 
          <"\tgit commit -m \"hello\" &&\n"> <"\tgit branch skip-reference &&\n"> <"\n"> <"\techo world >> hello &&\n"> 
          <"\tgit commit -a -m \"hello world\" &&\n"> <"\techo goodbye >> hello &&\n"> <"\tgit commit -a -m \"goodbye\" &&\n"> <"\n"> 
          <"\tgit checkout -f skip-reference &&\n"> <"\techo moo > hello &&\n"> <"\tgit commit -a -m \"we should skip this\" &&\n"> 
          <"\techo moo > cow &&\n"> <"\tgit add cow &&\n"> <"\tgit commit -m \"this should not be skipped\" &&\n"> 
          <"\tgit branch pre-rebase skip-reference &&\n"> <"\tgit branch skip-merge skip-reference\n"> <"\t">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"rebase with git am -3 (default)">)} 
      {(SQ <"\n"> <"\ttest_must_fail git rebase master\n">)}
    )
    (C {(test_expect_success)} {(SQ <"rebase --skip can not be used with other options">)} 
      {
        (SQ <"\n"> <"\ttest_must_fail git rebase -v --skip &&\n"> 
          <"\ttest_must_fail git rebase --skip -v\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"rebase --skip with am -3">)} 
      {(SQ <"\n"> <"\tgit rebase --skip\n"> <"\t">)}
    )
    (C {(test_expect_success)} {(SQ <"rebase moves back to skip-reference">)} 
      {
        (SQ <"\n"> <"\ttest refs/heads/skip-reference = $(git symbolic-ref HEAD) &&\n"> 
          <"\tgit branch post-rebase &&\n"> <"\tgit reset --hard pre-rebase &&\n"> <"\ttest_must_fail git rebase master &&\n"> 
          <"\techo \"hello\" > hello &&\n"> <"\tgit add hello &&\n"> <"\tgit rebase --continue &&\n"> 
          <"\ttest refs/heads/skip-reference = $(git symbolic-ref HEAD) &&\n"> <"\tgit reset --hard post-rebase\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"checkout skip-merge">)} {(SQ <"git checkout -f skip-merge">)})
    (C {(test_expect_success)} {(SQ <"rebase with --merge">)} 
      {(SQ <"\n"> <"\ttest_must_fail git rebase --merge master\n">)}
    )
    (C {(test_expect_success)} {(SQ <"rebase --skip with --merge">)} 
      {(SQ <"\n"> <"\tgit rebase --skip\n">)}
    )
    (C {(test_expect_success)} {(SQ <"merge and reference trees equal">)} 
      {(SQ <"\n"> <"\ttest -z \"$(git diff-tree skip-merge skip-reference)\"\n">)}
    )
    (C {(test_expect_success)} {(SQ <"moved back to branch correctly">)} 
      {(SQ <"\n"> <"\ttest refs/heads/skip-merge = $(git symbolic-ref HEAD)\n">)}
    )
    (C {(test_debug)} {(SQ <"gitk --all & sleep 1">)})
    (C {(test_done)})
  ]
)