81cb393a95a3e3b0a172b6016d32cade8dbafdb4
   1#!/bin/sh
   2#
   3# Copyright (c) 2010 Erick Mattos
   4#
   5
   6test_description='git checkout --orphan
   7
   8Main Tests for --orphan functionality.'
   9
  10. ./test-lib.sh
  11
  12TEST_FILE=foo
  13
  14test_expect_success 'Setup' '
  15        echo "Initial" >"$TEST_FILE" &&
  16        git add "$TEST_FILE" &&
  17        git commit -m "First Commit"
  18        test_tick &&
  19        echo "State 1" >>"$TEST_FILE" &&
  20        git add "$TEST_FILE" &&
  21        test_tick &&
  22        git commit -m "Second Commit"
  23'
  24
  25test_expect_success '--orphan creates a new orphan branch from HEAD' '
  26        git checkout --orphan alpha &&
  27        test_must_fail git rev-parse --verify HEAD &&
  28        test "refs/heads/alpha" = "$(git symbolic-ref HEAD)" &&
  29        test_tick &&
  30        git commit -m "Third Commit" &&
  31        test_must_fail git rev-parse --verify HEAD^ &&
  32        git diff-tree --quiet master alpha
  33'
  34
  35test_expect_success '--orphan creates a new orphan branch from <start_point>' '
  36        git checkout master &&
  37        git checkout --orphan beta master^ &&
  38        test_must_fail git rev-parse --verify HEAD &&
  39        test "refs/heads/beta" = "$(git symbolic-ref HEAD)" &&
  40        test_tick &&
  41        git commit -m "Fourth Commit" &&
  42        test_must_fail git rev-parse --verify HEAD^ &&
  43        git diff-tree --quiet master^ beta
  44'
  45
  46test_expect_success '--orphan must be rejected with -b' '
  47        git checkout master &&
  48        test_must_fail git checkout --orphan new -b newer &&
  49        test refs/heads/master = "$(git symbolic-ref HEAD)"
  50'
  51
  52test_expect_success '--orphan must be rejected with -t' '
  53        git checkout master &&
  54        test_must_fail git checkout --orphan new -t master &&
  55        test refs/heads/master = "$(git symbolic-ref HEAD)"
  56'
  57
  58test_expect_success '--orphan ignores branch.autosetupmerge' '
  59        git checkout master &&
  60        git config branch.autosetupmerge always &&
  61        git checkout --orphan gamma &&
  62        test -z "$(git config branch.gamma.merge)" &&
  63        test refs/heads/gamma = "$(git symbolic-ref HEAD)" &&
  64        test_must_fail git rev-parse --verify HEAD^
  65'
  66
  67test_expect_success '--orphan makes reflog by default' '
  68        git checkout master &&
  69        git config --unset core.logAllRefUpdates &&
  70        git checkout --orphan delta &&
  71        ! test -f .git/logs/refs/heads/delta &&
  72        (
  73                PAGER= &&
  74                export PAGER &&
  75                test_must_fail git reflog show delta
  76        ) &&
  77        git commit -m Delta &&
  78        test -f .git/logs/refs/heads/delta &&
  79        PAGER= git reflog show delta
  80'
  81
  82test_expect_success '--orphan does not make reflog when core.logAllRefUpdates = false' '
  83        git checkout master &&
  84        git config core.logAllRefUpdates false &&
  85        git checkout --orphan epsilon &&
  86        ! test -f .git/logs/refs/heads/epsilon &&
  87        (
  88                PAGER= &&
  89                export PAGER &&
  90                test_must_fail git reflog show epsilon
  91        ) &&
  92        git commit -m Epsilon &&
  93        ! test -f .git/logs/refs/heads/epsilon &&
  94        (
  95                PAGER= &&
  96                export PAGER &&
  97                test_must_fail git reflog show epsilon
  98        )
  99'
 100
 101test_expect_success '--orphan with -l makes reflog when core.logAllRefUpdates = false' '
 102        git checkout master &&
 103        git checkout -l --orphan zeta &&
 104        test -f .git/logs/refs/heads/zeta &&
 105        (
 106                PAGER= &&
 107                export PAGER &&
 108                test_must_fail git reflog show zeta
 109        ) &&
 110        git commit -m Zeta &&
 111        PAGER= git reflog show zeta
 112'
 113
 114test_expect_success 'giving up --orphan not committed when -l and core.logAllRefUpdates = false deletes reflog' '
 115        git checkout master &&
 116        git checkout -l --orphan eta &&
 117        test -f .git/logs/refs/heads/eta &&
 118        (
 119                PAGER= &&
 120                export PAGER &&
 121                test_must_fail git reflog show eta
 122        ) &&
 123        git checkout master &&
 124        ! test -f .git/logs/refs/heads/eta &&
 125        (
 126                PAGER= &&
 127                export PAGER &&
 128                test_must_fail git reflog show eta
 129        )
 130'
 131
 132test_expect_success '--orphan is rejected with an existing name' '
 133        git checkout master &&
 134        test_must_fail git checkout --orphan master &&
 135        test refs/heads/master = "$(git symbolic-ref HEAD)"
 136'
 137
 138test_expect_success '--orphan refuses to switch if a merge is needed' '
 139        git checkout master &&
 140        git reset --hard &&
 141        echo local >>"$TEST_FILE" &&
 142        cat "$TEST_FILE" >"$TEST_FILE.saved" &&
 143        test_must_fail git checkout --orphan new master^ &&
 144        test refs/heads/master = "$(git symbolic-ref HEAD)" &&
 145        test_cmp "$TEST_FILE" "$TEST_FILE.saved" &&
 146        git diff-index --quiet --cached HEAD &&
 147        git reset --hard
 148'
 149
 150test_done