b47b7b9757dffe2d3d41127b43ffa929505c0e77
   1#!/bin/sh
   2
   3test_description='git merge
   4
   5Testing octopus merge when reducing parents to independent branches.'
   6
   7. ./test-lib.sh
   8
   9# 0 - 1
  10#   \ 2
  11#   \ 3
  12#   \ 4 - 5
  13#
  14# So 1, 2, 3 and 5 should be kept, 4 should be avoided.
  15
  16test_expect_success 'setup' '
  17        echo c0 > c0.c &&
  18        git add c0.c &&
  19        git commit -m c0 &&
  20        git tag c0 &&
  21        echo c1 > c1.c &&
  22        git add c1.c &&
  23        git commit -m c1 &&
  24        git tag c1 &&
  25        git reset --hard c0 &&
  26        echo c2 > c2.c &&
  27        git add c2.c &&
  28        git commit -m c2 &&
  29        git tag c2 &&
  30        git reset --hard c0 &&
  31        echo c3 > c3.c &&
  32        git add c3.c &&
  33        git commit -m c3 &&
  34        git tag c3 &&
  35        git reset --hard c0 &&
  36        echo c4 > c4.c &&
  37        git add c4.c &&
  38        git commit -m c4 &&
  39        git tag c4 &&
  40        echo c5 > c5.c &&
  41        git add c5.c &&
  42        git commit -m c5 &&
  43        git tag c5
  44'
  45
  46test_expect_success 'merge c1 with c2, c3, c4, c5' '
  47        git reset --hard c1 &&
  48        git merge c2 c3 c4 c5 &&
  49        test "$(git rev-parse c1)" != "$(git rev-parse HEAD)" &&
  50        test "$(git rev-parse c1)" = "$(git rev-parse HEAD^1)" &&
  51        test "$(git rev-parse c2)" = "$(git rev-parse HEAD^2)" &&
  52        test "$(git rev-parse c3)" = "$(git rev-parse HEAD^3)" &&
  53        test "$(git rev-parse c5)" = "$(git rev-parse HEAD^4)" &&
  54        git diff --exit-code &&
  55        test -f c0.c &&
  56        test -f c1.c &&
  57        test -f c2.c &&
  58        test -f c3.c &&
  59        test -f c4.c &&
  60        test -f c5.c
  61'
  62
  63test_done