test_cmp expected.sorted actual.sorted
'
+test_expect_success 'using reflog to find the fork point' '
+ git reset --hard &&
+ git checkout -b base $E &&
+
+ (
+ for count in 1 2 3
+ do
+ git commit --allow-empty -m "Base commit #$count" &&
+ git rev-parse HEAD >expect$count &&
+ git checkout -B derived &&
+ git commit --allow-empty -m "Derived #$count" &&
+ git rev-parse HEAD >derived$count &&
+ git checkout -B base $E || exit 1
+ done
+
+ for count in 1 2 3
+ do
+ git merge-base --fork-point base $(cat derived$count) >actual &&
+ test_cmp expect$count actual || exit 1
+ done
+
+ ) &&
+ # check that we correctly default to HEAD
+ git checkout derived &&
+ git merge-base --fork-point base >actual &&
+ test_cmp expect3 actual
+'
+
+test_expect_success 'merge-base --octopus --all for complex tree' '
+ # Best common ancestor for JE, JAA and JDD is JC
+ # JE
+ # / |
+ # / |
+ # / |
+ # JAA / |
+ # |\ / |
+ # | \ | JDD |
+ # | \ |/ | |
+ # | JC JD |
+ # | | /| |
+ # | |/ | |
+ # JA | | |
+ # |\ /| | |
+ # X JB | X X
+ # \ \ | / /
+ # \__\|/___/
+ # J
+ test_commit J &&
+ test_commit JB &&
+ git reset --hard J &&
+ test_commit JC &&
+ git reset --hard J &&
+ test_commit JTEMP1 &&
+ test_merge JA JB &&
+ test_merge JAA JC &&
+ git reset --hard J &&
+ test_commit JTEMP2 &&
+ test_merge JD JB &&
+ test_merge JDD JC &&
+ git reset --hard J &&
+ test_commit JTEMP3 &&
+ test_merge JE JC &&
+ git rev-parse JC >expected &&
+ git merge-base --all --octopus JAA JDD JE >actual &&
+ test_cmp expected actual
+'
+
test_done