| 1 | #!/bin/sh |
| 2 | |
| 3 | test_description='basic symbolic-ref tests' |
| 4 | |
| 5 | . ./test-lib.sh |
| 6 | |
| 7 | # If the tests munging HEAD fail, they can break detection of |
| 8 | # the git repo, meaning that further tests will operate on |
| 9 | # the surrounding git repo instead of the trash directory. |
| 10 | reset_to_sane() { |
| 11 | rm -rf .git && |
| 12 | "$TAR" xf .git.tar |
| 13 | } |
| 14 | |
| 15 | test_expect_success 'setup' ' |
| 16 | git symbolic-ref HEAD refs/heads/foo && |
| 17 | test_commit file && |
| 18 | "$TAR" cf .git.tar .git |
| 19 | ' |
| 20 | |
| 21 | test_expect_success 'symbolic-ref read/write roundtrip' ' |
| 22 | git symbolic-ref HEAD refs/heads/read-write-roundtrip && |
| 23 | echo refs/heads/read-write-roundtrip >expect && |
| 24 | git symbolic-ref HEAD >actual && |
| 25 | test_cmp expect actual |
| 26 | ' |
| 27 | |
| 28 | test_expect_success 'symbolic-ref refuses non-ref for HEAD' ' |
| 29 | test_must_fail git symbolic-ref HEAD foo |
| 30 | ' |
| 31 | |
| 32 | reset_to_sane |
| 33 | |
| 34 | test_expect_success 'symbolic-ref refuses bare sha1' ' |
| 35 | rev=$(git rev-parse HEAD) && |
| 36 | test_must_fail git symbolic-ref HEAD "$rev" |
| 37 | ' |
| 38 | |
| 39 | reset_to_sane |
| 40 | |
| 41 | test_expect_success 'HEAD cannot be removed' ' |
| 42 | test_must_fail git symbolic-ref -d HEAD |
| 43 | ' |
| 44 | |
| 45 | reset_to_sane |
| 46 | |
| 47 | test_expect_success 'symbolic-ref can be deleted' ' |
| 48 | git symbolic-ref NOTHEAD refs/heads/foo && |
| 49 | git symbolic-ref -d NOTHEAD && |
| 50 | git rev-parse refs/heads/foo && |
| 51 | test_must_fail git symbolic-ref NOTHEAD |
| 52 | ' |
| 53 | reset_to_sane |
| 54 | |
| 55 | test_expect_success 'symbolic-ref can delete dangling symref' ' |
| 56 | git symbolic-ref NOTHEAD refs/heads/missing && |
| 57 | git symbolic-ref -d NOTHEAD && |
| 58 | test_must_fail git rev-parse refs/heads/missing && |
| 59 | test_must_fail git symbolic-ref NOTHEAD |
| 60 | ' |
| 61 | reset_to_sane |
| 62 | |
| 63 | test_expect_success 'symbolic-ref fails to delete missing FOO' ' |
| 64 | echo "fatal: Cannot delete FOO, not a symbolic ref" >expect && |
| 65 | test_must_fail git symbolic-ref -d FOO >actual 2>&1 && |
| 66 | test_cmp expect actual |
| 67 | ' |
| 68 | reset_to_sane |
| 69 | |
| 70 | test_expect_success 'symbolic-ref fails to delete real ref' ' |
| 71 | echo "fatal: Cannot delete refs/heads/foo, not a symbolic ref" >expect && |
| 72 | test_must_fail git symbolic-ref -d refs/heads/foo >actual 2>&1 && |
| 73 | git rev-parse --verify refs/heads/foo && |
| 74 | test_cmp expect actual |
| 75 | ' |
| 76 | reset_to_sane |
| 77 | |
| 78 | test_expect_success 'create large ref name' ' |
| 79 | # make 256+ character ref; some systems may not handle that, |
| 80 | # so be gentle |
| 81 | long=0123456789abcdef && |
| 82 | long=$long/$long/$long/$long && |
| 83 | long=$long/$long/$long/$long && |
| 84 | long_ref=refs/heads/$long && |
| 85 | tree=$(git write-tree) && |
| 86 | commit=$(echo foo | git commit-tree $tree) && |
| 87 | if git update-ref $long_ref $commit; then |
| 88 | test_set_prereq LONG_REF |
| 89 | else |
| 90 | echo >&2 "long refs not supported" |
| 91 | fi |
| 92 | ' |
| 93 | |
| 94 | test_expect_success LONG_REF 'symbolic-ref can point to large ref name' ' |
| 95 | git symbolic-ref HEAD $long_ref && |
| 96 | echo $long_ref >expect && |
| 97 | git symbolic-ref HEAD >actual && |
| 98 | test_cmp expect actual |
| 99 | ' |
| 100 | |
| 101 | test_expect_success LONG_REF 'we can parse long symbolic ref' ' |
| 102 | echo $commit >expect && |
| 103 | git rev-parse --verify HEAD >actual && |
| 104 | test_cmp expect actual |
| 105 | ' |
| 106 | |
| 107 | test_expect_success 'symbolic-ref reports failure in exit code' ' |
| 108 | # Create d/f conflict to simulate failure. |
| 109 | test_must_fail git symbolic-ref refs/heads refs/heads/foo |
| 110 | ' |
| 111 | |
| 112 | test_expect_success 'symbolic-ref writes reflog entry' ' |
| 113 | git checkout -b log1 && |
| 114 | test_commit one && |
| 115 | git checkout -b log2 && |
| 116 | test_commit two && |
| 117 | git checkout --orphan orphan && |
| 118 | git symbolic-ref -m create HEAD refs/heads/log1 && |
| 119 | git symbolic-ref -m update HEAD refs/heads/log2 && |
| 120 | cat >expect <<-\EOF && |
| 121 | update |
| 122 | create |
| 123 | EOF |
| 124 | git log --format=%gs -g -2 >actual && |
| 125 | test_cmp expect actual |
| 126 | ' |
| 127 | |
| 128 | test_expect_success 'symbolic-ref does not create ref d/f conflicts' ' |
| 129 | git checkout -b df && |
| 130 | test_commit df && |
| 131 | test_must_fail git symbolic-ref refs/heads/df/conflict refs/heads/df && |
| 132 | git pack-refs --all --prune && |
| 133 | test_must_fail git symbolic-ref refs/heads/df/conflict refs/heads/df |
| 134 | ' |
| 135 | |
| 136 | test_expect_success 'symbolic-ref can overwrite pointer to invalid name' ' |
| 137 | test_when_finished reset_to_sane && |
| 138 | head=$(git rev-parse HEAD) && |
| 139 | git symbolic-ref HEAD refs/heads/outer && |
| 140 | test_when_finished "git update-ref -d refs/heads/outer/inner" && |
| 141 | git update-ref refs/heads/outer/inner $head && |
| 142 | git symbolic-ref HEAD refs/heads/unrelated |
| 143 | ' |
| 144 | |
| 145 | test_expect_success 'symbolic-ref can resolve d/f name (EISDIR)' ' |
| 146 | test_when_finished reset_to_sane && |
| 147 | head=$(git rev-parse HEAD) && |
| 148 | git symbolic-ref HEAD refs/heads/outer/inner && |
| 149 | test_when_finished "git update-ref -d refs/heads/outer" && |
| 150 | git update-ref refs/heads/outer $head && |
| 151 | echo refs/heads/outer/inner >expect && |
| 152 | git symbolic-ref HEAD >actual && |
| 153 | test_cmp expect actual |
| 154 | ' |
| 155 | |
| 156 | test_expect_success 'symbolic-ref can resolve d/f name (ENOTDIR)' ' |
| 157 | test_when_finished reset_to_sane && |
| 158 | head=$(git rev-parse HEAD) && |
| 159 | git symbolic-ref HEAD refs/heads/outer && |
| 160 | test_when_finished "git update-ref -d refs/heads/outer/inner" && |
| 161 | git update-ref refs/heads/outer/inner $head && |
| 162 | echo refs/heads/outer >expect && |
| 163 | git symbolic-ref HEAD >actual && |
| 164 | test_cmp expect actual |
| 165 | ' |
| 166 | |
| 167 | test_expect_success 'symbolic-ref refuses invalid target for non-HEAD' ' |
| 168 | test_must_fail git symbolic-ref refs/heads/invalid foo..bar |
| 169 | ' |
| 170 | |
| 171 | test_expect_success 'symbolic-ref allows top-level target for non-HEAD' ' |
| 172 | git symbolic-ref refs/heads/top-level ORIG_HEAD && |
| 173 | git update-ref ORIG_HEAD HEAD && |
| 174 | test_cmp_rev top-level HEAD |
| 175 | ' |
| 176 | |
| 177 | test_expect_success 'symbolic-ref pointing at another' ' |
| 178 | git update-ref refs/heads/maint-2.37 HEAD && |
| 179 | git symbolic-ref refs/heads/maint refs/heads/maint-2.37 && |
| 180 | git checkout maint && |
| 181 | |
| 182 | git symbolic-ref HEAD >actual && |
| 183 | echo refs/heads/maint-2.37 >expect && |
| 184 | test_cmp expect actual && |
| 185 | |
| 186 | git symbolic-ref --no-recurse HEAD >actual && |
| 187 | echo refs/heads/maint >expect && |
| 188 | test_cmp expect actual |
| 189 | ' |
| 190 | |
| 191 | test_expect_success 'symbolic-ref --short handles complex utf8 case' ' |
| 192 | name="测试-加-增加-加-增加" && |
| 193 | git symbolic-ref TEST_SYMREF "refs/heads/$name" && |
| 194 | # In the real world, we saw problems with this case only |
| 195 | # when the locale includes UTF-8. Set it here to try to make things as |
| 196 | # hard as possible for us to pass, but in practice we should do the |
| 197 | # right thing regardless (and of course some platforms may not even |
| 198 | # have this locale). |
| 199 | LC_ALL=en_US.UTF-8 git symbolic-ref --short TEST_SYMREF >actual && |
| 200 | echo "$name" >expect && |
| 201 | test_cmp expect actual |
| 202 | ' |
| 203 | |
| 204 | test_expect_success 'symbolic-ref --short handles name with suffix' ' |
| 205 | git symbolic-ref TEST_SYMREF "refs/remotes/origin/HEAD" && |
| 206 | git symbolic-ref --short TEST_SYMREF >actual && |
| 207 | echo "origin" >expect && |
| 208 | test_cmp expect actual |
| 209 | ' |
| 210 | |
| 211 | test_expect_success 'symbolic-ref --short handles almost-matching name' ' |
| 212 | git symbolic-ref TEST_SYMREF "refs/headsXfoo" && |
| 213 | git symbolic-ref --short TEST_SYMREF >actual && |
| 214 | echo "headsXfoo" >expect && |
| 215 | test_cmp expect actual |
| 216 | ' |
| 217 | |
| 218 | test_expect_success 'symbolic-ref --short handles name with percent' ' |
| 219 | git symbolic-ref TEST_SYMREF "refs/heads/%foo" && |
| 220 | git symbolic-ref --short TEST_SYMREF >actual && |
| 221 | echo "%foo" >expect && |
| 222 | test_cmp expect actual |
| 223 | ' |
| 224 | |
| 225 | test_done |