tests/checkout/crlf.c

   1 #include "clar_libgit2.h"
   2 #include "checkout_helpers.h"
   3 #include "../filter/crlf.h"
   4 #include "fileops.h"
   5
   6 #include "git2/checkout.h"
   7 #include "repository.h"
   8 #include "index.h"
   9 #include "posix.h"
  10
  11 static git_repository *g_repo;
  12
  13 static const char *systype;
  14 static git_buf expected_fixture = GIT_BUF_INIT;
  15
  16 void test_checkout_crlf__initialize(void)
  17 {
  18         g_repo = cl_git_sandbox_init("crlf");
  19
  20         if (GIT_EOL_NATIVE == GIT_EOL_CRLF)
  21                 systype = "windows";
  22         else
  23                 systype = "posix";
  24 }
  25
  26 void test_checkout_crlf__cleanup(void)
  27 {
  28         cl_git_sandbox_cleanup();
  29
  30         if (expected_fixture.size) {
  31                 cl_fixture_cleanup(expected_fixture.ptr);
  32                 git_buf_free(&expected_fixture);
  33         }
  34 }
  35
  36 struct compare_data
  37 {
  38         const char *dirname;
  39         const char *autocrlf;
  40         const char *attrs;
  41 };
  42
  43 static int compare_file(void *payload, git_buf *actual_path)
  44 {
  45         git_buf expected_path = GIT_BUF_INIT;
  46         git_buf actual_contents = GIT_BUF_INIT;
  47         git_buf expected_contents = GIT_BUF_INIT;
  48         struct compare_data *cd = payload;
  49         bool failed = true;
  50         int cmp_git, cmp_gitattributes;
  51         char *basename;
  52
  53         basename = git_path_basename(actual_path->ptr);
  54         cmp_git = strcmp(basename, ".git");
  55         cmp_gitattributes = strcmp(basename, ".gitattributes");
  56
  57         if (cmp_git == 0 || cmp_gitattributes == 0) {
  58                 failed = false;
  59                 goto done;
  60         }
  61
  62         cl_git_pass(git_buf_joinpath(&expected_path, cd->dirname, basename));
  63
  64         if (!git_path_isfile(expected_path.ptr) ||
  65                 !git_path_isfile(actual_path->ptr))
  66                 goto done;
  67
  68         if (git_futils_readbuffer(&actual_contents, actual_path->ptr) < 0 ||
  69                 git_futils_readbuffer(&expected_contents, expected_path.ptr) < 0)
  70                 goto done;
  71
  72         if (actual_contents.size != expected_contents.size)
  73                 goto done;
  74
  75         if (memcmp(actual_contents.ptr, expected_contents.ptr, expected_contents.size) != 0)
  76                 goto done;
  77
  78         failed = false;
  79
  80 done:
  81         if (failed) {
  82                 git_buf details = GIT_BUF_INIT;
  83                 git_buf_printf(&details, "filename=%s, system=%s, autocrlf=%s, attrs={%s}",
  84                         git_path_basename(actual_path->ptr), systype, cd->autocrlf, cd->attrs);
  85                 clar__fail(__FILE__, __LINE__,
  86                         "checked out contents did not match expected", details.ptr, 0);
  87                 git_buf_free(&details);
  88         }
  89
  90         git__free(basename);
  91         git_buf_free(&expected_contents);
  92         git_buf_free(&actual_contents);
  93         git_buf_free(&expected_path);
  94
  95         return 0;
  96 }
  97
  98 static void test_checkout(const char *autocrlf, const char *attrs)
  99 {
 100         git_buf attrbuf = GIT_BUF_INIT;
 101         git_buf expected_dirname = GIT_BUF_INIT;
 102         git_buf sandboxname = GIT_BUF_INIT;
 103         git_buf reponame = GIT_BUF_INIT;
 104         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 105         struct compare_data compare_data = { NULL, autocrlf, attrs };
 106         const char *c;
 107
 108         git_buf_puts(&reponame, "crlf");
 109
 110         git_buf_puts(&sandboxname, "autocrlf_");
 111         git_buf_puts(&sandboxname, autocrlf);
 112
 113         if (*attrs) {
 114                 git_buf_puts(&sandboxname, ",");
 115
 116                 for (c = attrs; *c; c++) {
 117                         if (*c == ' ')
 118                                 git_buf_putc(&sandboxname, ',');
 119                         else if (*c == '=')
 120                                 git_buf_putc(&sandboxname, '_');
 121                         else
 122                                 git_buf_putc(&sandboxname, *c);
 123                 }
 124
 125                 git_buf_printf(&attrbuf, "* %s\n", attrs);
 126                 cl_git_mkfile("crlf/.gitattributes", attrbuf.ptr);
 127         }
 128
 129         cl_repo_set_string(g_repo, "core.autocrlf", autocrlf);
 130
 131         git_buf_joinpath(&expected_dirname, systype, sandboxname.ptr);
 132         git_buf_joinpath(&expected_fixture, "crlf_data", expected_dirname.ptr);
 133         cl_fixture_sandbox(expected_fixture.ptr);
 134
 135         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 136         git_checkout_head(g_repo, &opts);
 137
 138         compare_data.dirname = sandboxname.ptr;
 139         cl_git_pass(git_path_direach(&reponame, 0, compare_file, &compare_data));
 140
 141         cl_fixture_cleanup(expected_fixture.ptr);
 142         git_buf_free(&expected_fixture);
 143
 144         git_buf_free(&attrbuf);
 145         git_buf_free(&expected_fixture);
 146         git_buf_free(&expected_dirname);
 147         git_buf_free(&sandboxname);
 148         git_buf_free(&reponame);
 149 }
 150
 151 static void empty_workdir(const char *name)
 152 {
 153         git_vector contents = GIT_VECTOR_INIT;
 154         size_t i;
 155         const char *fn;
 156
 157         git_path_dirload(&contents, name, 0, 0);
 158         git_vector_foreach(&contents, i, fn) {
 159                 char *basename = git_path_basename(fn);
 160                 int cmp = strncasecmp(basename, ".git", 4);
 161
 162                 git__free(basename);
 163
 164                 if (cmp == 0)
 165                         continue;
 166                 p_unlink(fn);
 167         }
 168         git_vector_free_deep(&contents);
 169 }
 170
 171 void test_checkout_crlf__matches_core_git(void)
 172 {
 173         const char *autocrlf[] = { "true", "false", "input", NULL };
 174         const char *attrs[] = { "", "-crlf", "-text", "eol=crlf", "eol=lf",
 175                 "text", "text eol=crlf", "text eol=lf",
 176                 "text=auto", "text=auto eol=crlf", "text=auto eol=lf",
 177                 NULL };
 178         const char **a, **b;
 179
 180         for (a = autocrlf; *a; a++) {
 181                 for (b = attrs; *b; b++) {
 182                         empty_workdir("crlf");
 183                         test_checkout(*a, *b);
 184                 }
 185         }
 186 }
 187
 188 void test_checkout_crlf__detect_crlf_autocrlf_false(void)
 189 {
 190         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 191         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 192
 193         cl_repo_set_bool(g_repo, "core.autocrlf", false);
 194
 195         git_checkout_head(g_repo, &opts);
 196
 197         check_file_contents("./crlf/all-lf", ALL_LF_TEXT_RAW);
 198         check_file_contents("./crlf/all-crlf", ALL_CRLF_TEXT_RAW);
 199 }
 200
 201 void test_checkout_crlf__autocrlf_false_index_size_is_unfiltered_size(void)
 202 {
 203         git_index *index;
 204         const git_index_entry *entry;
 205         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 206         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 207
 208         cl_repo_set_bool(g_repo, "core.autocrlf", false);
 209
 210         git_repository_index(&index, g_repo);
 211         tick_index(index);
 212
 213         git_checkout_head(g_repo, &opts);
 214
 215         cl_assert((entry = git_index_get_bypath(index, "all-lf", 0)) != NULL);
 216         cl_assert(entry->file_size == strlen(ALL_LF_TEXT_RAW));
 217
 218         cl_assert((entry = git_index_get_bypath(index, "all-crlf", 0)) != NULL);
 219         cl_assert(entry->file_size == strlen(ALL_CRLF_TEXT_RAW));
 220
 221         git_index_free(index);
 222 }
 223
 224 void test_checkout_crlf__detect_crlf_autocrlf_true(void)
 225 {
 226         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 227         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 228
 229         cl_repo_set_bool(g_repo, "core.autocrlf", true);
 230
 231         git_checkout_head(g_repo, &opts);
 232
 233         check_file_contents("./crlf/all-lf", ALL_LF_TEXT_AS_CRLF);
 234         check_file_contents("./crlf/all-crlf", ALL_CRLF_TEXT_RAW);
 235 }
 236
 237 void test_checkout_crlf__detect_crlf_autocrlf_true_utf8(void)
 238 {
 239         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 240         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 241
 242         cl_repo_set_bool(g_repo, "core.autocrlf", true);
 243
 244         git_repository_set_head(g_repo, "refs/heads/master");
 245         git_checkout_head(g_repo, &opts);
 246
 247         check_file_contents("./crlf/few-utf8-chars-lf", FEW_UTF8_CRLF_RAW);
 248         check_file_contents("./crlf/many-utf8-chars-lf", MANY_UTF8_CRLF_RAW);
 249
 250         check_file_contents("./crlf/few-utf8-chars-crlf", FEW_UTF8_CRLF_RAW);
 251         check_file_contents("./crlf/many-utf8-chars-crlf", MANY_UTF8_CRLF_RAW);
 252 }
 253
 254 void test_checkout_crlf__autocrlf_true_index_size_is_filtered_size(void)
 255 {
 256         git_index *index;
 257         const git_index_entry *entry;
 258         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 259         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 260
 261         cl_repo_set_bool(g_repo, "core.autocrlf", true);
 262
 263         git_repository_index(&index, g_repo);
 264         tick_index(index);
 265
 266         git_checkout_head(g_repo, &opts);
 267
 268         cl_assert((entry = git_index_get_bypath(index, "all-lf", 0)) != NULL);
 269
 270         cl_assert_equal_sz(strlen(ALL_LF_TEXT_AS_CRLF), entry->file_size);
 271
 272         cl_assert((entry = git_index_get_bypath(index, "all-crlf", 0)) != NULL);
 273         cl_assert_equal_sz(strlen(ALL_CRLF_TEXT_RAW), entry->file_size);
 274
 275         git_index_free(index);
 276 }
 277
 278 void test_checkout_crlf__with_ident(void)
 279 {
 280         git_index *index;
 281         git_index_entry *entry;
 282         git_blob *blob;
 283         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 284         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 285
 286         cl_git_mkfile("crlf/.gitattributes",
 287                 "*.txt text\n*.bin binary\n"
 288                 "*.crlf text eol=crlf\n"
 289                 "*.lf text eol=lf\n"
 290                 "*.ident text ident\n"
 291                 "*.identcrlf ident text eol=crlf\n"
 292                 "*.identlf ident text eol=lf\n");
 293
 294         cl_repo_set_bool(g_repo, "core.autocrlf", true);
 295
 296         /* add files with $Id$ */
 297
 298         cl_git_mkfile("crlf/lf.ident", ALL_LF_TEXT_RAW "\n$Id: initial content$\n");
 299         cl_git_mkfile("crlf/crlf.ident", ALL_CRLF_TEXT_RAW "\r\n$Id$\r\n\r\n");
 300         cl_git_mkfile("crlf/more1.identlf", "$Id$\n" MORE_LF_TEXT_RAW);
 301         cl_git_mkfile("crlf/more2.identcrlf", "\r\n$Id: \f$\r\n" MORE_CRLF_TEXT_RAW);
 302
 303         cl_git_pass(git_repository_index(&index, g_repo));
 304         cl_git_pass(git_index_add_bypath(index, "lf.ident"));
 305         cl_git_pass(git_index_add_bypath(index, "crlf.ident"));
 306         cl_git_pass(git_index_add_bypath(index, "more1.identlf"));
 307         cl_git_pass(git_index_add_bypath(index, "more2.identcrlf"));
 308         cl_repo_commit_from_index(NULL, g_repo, NULL, 0, "Some ident files\n");
 309
 310         git_checkout_head(g_repo, &opts);
 311
 312         /* check that blobs have $Id$ */
 313
 314         cl_assert((entry = git_index_get_bypath(index, "lf.ident", 0)));
 315         cl_git_pass(git_blob_lookup(&blob, g_repo, &entry->id));
 316         cl_assert_equal_s(
 317                 ALL_LF_TEXT_RAW "\n$Id$\n", git_blob_rawcontent(blob));
 318         git_blob_free(blob);
 319
 320         cl_assert((entry = git_index_get_bypath(index, "more2.identcrlf", 0)));
 321         cl_git_pass(git_blob_lookup(&blob, g_repo, &entry->id));
 322         cl_assert_equal_s(
 323                 "\n$Id$\n" MORE_CRLF_TEXT_AS_LF, git_blob_rawcontent(blob));
 324         git_blob_free(blob);
 325
 326         /* check that filesystem is initially untouched - matching core Git */
 327
 328         cl_assert_equal_file(
 329                 ALL_LF_TEXT_RAW "\n$Id: initial content$\n", 0, "crlf/lf.ident");
 330
 331         /* check that forced checkout rewrites correctly */
 332
 333         p_unlink("crlf/lf.ident");
 334         p_unlink("crlf/crlf.ident");
 335         p_unlink("crlf/more1.identlf");
 336         p_unlink("crlf/more2.identcrlf");
 337
 338         git_checkout_head(g_repo, &opts);
 339
 340         cl_assert_equal_file(
 341                 ALL_LF_TEXT_AS_CRLF
 342                 "\r\n$Id: fcf6d4d9c212dc66563b1171b1cd99953c756467 $\r\n",
 343                 0, "crlf/lf.ident");
 344         cl_assert_equal_file(
 345                 ALL_CRLF_TEXT_RAW
 346                 "\r\n$Id: f2c66ad9b2b5a734d9bf00d5000cc10a62b8a857 $\r\n\r\n",
 347                 0, "crlf/crlf.ident");
 348
 349         cl_assert_equal_file(
 350                 "$Id: f7830382dac1f1583422be5530fdfbd26289431b $\n"
 351                 MORE_LF_TEXT_AS_LF, 0, "crlf/more1.identlf");
 352
 353         cl_assert_equal_file(
 354                 "\r\n$Id: 74677a68413012ce8d7e7cfc3f12603df3a3eac4 $\r\n"
 355                 MORE_CRLF_TEXT_AS_CRLF, 0, "crlf/more2.identcrlf");
 356
 357         git_index_free(index);
 358 }
 359
 360 void test_checkout_crlf__autocrlf_false_no_attrs(void)
 361 {
 362         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 363         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 364
 365         cl_repo_set_bool(g_repo, "core.autocrlf", false);
 366
 367         git_checkout_head(g_repo, &opts);
 368
 369         check_file_contents("./crlf/all-lf", ALL_LF_TEXT_RAW);
 370         check_file_contents("./crlf/all-crlf", ALL_CRLF_TEXT_RAW);
 371 }
 372
 373 void test_checkout_crlf__autocrlf_true_no_attrs(void)
 374 {
 375         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 376         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 377
 378         cl_repo_set_bool(g_repo, "core.autocrlf", true);
 379
 380         git_checkout_head(g_repo, &opts);
 381
 382         check_file_contents("./crlf/all-lf", ALL_LF_TEXT_AS_CRLF);
 383         check_file_contents("./crlf/all-crlf", ALL_CRLF_TEXT_AS_CRLF);
 384 }
 385
 386 void test_checkout_crlf__autocrlf_input_no_attrs(void)
 387 {
 388         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 389         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 390
 391         cl_repo_set_string(g_repo, "core.autocrlf", "input");
 392
 393         git_checkout_head(g_repo, &opts);
 394
 395         check_file_contents("./crlf/all-lf", ALL_LF_TEXT_RAW);
 396         check_file_contents("./crlf/all-crlf", ALL_CRLF_TEXT_RAW);
 397 }
 398
 399 void test_checkout_crlf__autocrlf_false_text_auto_attr(void)
 400 {
 401         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 402         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 403
 404         cl_git_mkfile("./crlf/.gitattributes", "* text=auto\n");
 405
 406         cl_repo_set_bool(g_repo, "core.autocrlf", false);
 407
 408         git_checkout_head(g_repo, &opts);
 409
 410         if (GIT_EOL_NATIVE == GIT_EOL_CRLF) {
 411                 check_file_contents("./crlf/all-lf", ALL_LF_TEXT_AS_CRLF);
 412                 check_file_contents("./crlf/all-crlf", ALL_CRLF_TEXT_AS_CRLF);
 413         } else {
 414                 check_file_contents("./crlf/all-lf", ALL_LF_TEXT_RAW);
 415                 check_file_contents("./crlf/all-crlf", ALL_CRLF_TEXT_RAW);
 416         }
 417 }
 418
 419 void test_checkout_crlf__autocrlf_true_text_auto_attr(void)
 420 {
 421         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 422         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 423
 424         cl_git_mkfile("./crlf/.gitattributes", "* text=auto\n");
 425
 426         cl_repo_set_bool(g_repo, "core.autocrlf", true);
 427
 428         git_checkout_head(g_repo, &opts);
 429
 430         check_file_contents("./crlf/all-lf", ALL_LF_TEXT_AS_CRLF);
 431         check_file_contents("./crlf/all-crlf", ALL_CRLF_TEXT_AS_CRLF);
 432 }
 433
 434 void test_checkout_crlf__autocrlf_input_text_auto_attr(void)
 435 {
 436         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 437         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 438
 439         cl_git_mkfile("./crlf/.gitattributes", "* text=auto\n");
 440
 441         cl_repo_set_string(g_repo, "core.autocrlf", "input");
 442
 443         git_checkout_head(g_repo, &opts);
 444
 445         check_file_contents("./crlf/all-lf", ALL_LF_TEXT_RAW);
 446         check_file_contents("./crlf/all-crlf", ALL_CRLF_TEXT_RAW);
 447 }
 448
 449 void test_checkout_crlf__can_write_empty_file(void)
 450 {
 451         git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
 452         opts.checkout_strategy = GIT_CHECKOUT_FORCE;
 453
 454         cl_repo_set_bool(g_repo, "core.autocrlf", true);
 455
 456         git_repository_set_head(g_repo, "refs/heads/empty-files");
 457         git_checkout_head(g_repo, &opts);
 458
 459         check_file_contents("./crlf/test1.txt", "");
 460
 461         check_file_contents("./crlf/test2.txt", "test2.txt's content\r\n");
 462
 463         check_file_contents("./crlf/test3.txt", "");
 464 }