pkgs/tools/package-management/nix/patches/libgit2-packbuilder-callback-interruptible.patch

   1 commit e9823c5da4fa977c46bcb97167fbdd0d70adb5ff
   2 Author: Robert Hensing <robert@roberthensing.nl>
   3 Date:   Mon Aug 26 20:07:04 2024 +0200
   4
   5     Make packbuilder interruptible using progress callback
   6
   7     Forward errors from packbuilder->progress_cb
   8
   9     This allows the callback to terminate long-running operations when
  10     the application is interrupted.
  11
  12 diff --git a/include/git2/pack.h b/include/git2/pack.h
  13 index 0f6bd2ab9..bee72a6c0 100644
  14 --- a/include/git2/pack.h
  15 +++ b/include/git2/pack.h
  16 @@ -247,6 +247,9 @@ typedef int GIT_CALLBACK(git_packbuilder_progress)(
  17   * @param progress_cb Function to call with progress information during
  18   * pack building. Be aware that this is called inline with pack building
  19   * operations, so performance may be affected.
  20 + * When progress_cb returns an error, the pack building process will be
  21 + * aborted and the error will be returned from the invoked function.
  22 + * `pb` must then be freed.
  23   * @param progress_cb_payload Payload for progress callback.
  24   * @return 0 or an error code
  25   */
  26 diff --git a/src/libgit2/pack-objects.c b/src/libgit2/pack-objects.c
  27 index b2d80cba9..7c331c2d5 100644
  28 --- a/src/libgit2/pack-objects.c
  29 +++ b/src/libgit2/pack-objects.c
  30 @@ -932,6 +932,9 @@ static int report_delta_progress(
  31  {
  32         int ret;
  33
  34 +       if (pb->failure)
  35 +               return pb->failure;
  36 +
  37         if (pb->progress_cb) {
  38                 uint64_t current_time = git_time_monotonic();
  39                 uint64_t elapsed = current_time - pb->last_progress_report_time;
  40 @@ -943,8 +946,10 @@ static int report_delta_progress(
  41                                 GIT_PACKBUILDER_DELTAFICATION,
  42                                 count, pb->nr_objects, pb->progress_cb_payload);
  43
  44 -                       if (ret)
  45 +                       if (ret) {
  46 +                               pb->failure = ret;
  47                                 return git_error_set_after_callback(ret);
  48 +                       }
  49                 }
  50         }
  51
  52 @@ -976,7 +981,10 @@ static int find_deltas(git_packbuilder *pb, git_pobject **list,
  53                 }
  54
  55                 pb->nr_deltified += 1;
  56 -               report_delta_progress(pb, pb->nr_deltified, false);
  57 +               if ((error = report_delta_progress(pb, pb->nr_deltified, false)) < 0) {
  58 +                               GIT_ASSERT(git_packbuilder__progress_unlock(pb) == 0);
  59 +                               goto on_error;
  60 +               }
  61
  62                 po = *list++;
  63                 (*list_size)--;
  64 @@ -1124,6 +1132,10 @@ struct thread_params {
  65         size_t depth;
  66         size_t working;
  67         size_t data_ready;
  68 +
  69 +       /* A pb->progress_cb can stop the packing process by returning an error.
  70 +          When that happens, all threads observe the error and stop voluntarily. */
  71 +       bool stopped;
  72  };
  73
  74  static void *threaded_find_deltas(void *arg)
  75 @@ -1133,7 +1145,12 @@ static void *threaded_find_deltas(void *arg)
  76         while (me->remaining) {
  77                 if (find_deltas(me->pb, me->list, &me->remaining,
  78                                 me->window, me->depth) < 0) {
  79 -                       ; /* TODO */
  80 +                       me->stopped = true;
  81 +                       GIT_ASSERT_WITH_RETVAL(git_packbuilder__progress_lock(me->pb) == 0, NULL);
  82 +                       me->working = false;
  83 +                       git_cond_signal(&me->pb->progress_cond);
  84 +                       GIT_ASSERT_WITH_RETVAL(git_packbuilder__progress_unlock(me->pb) == 0, NULL);
  85 +                       return NULL;
  86                 }
  87
  88                 GIT_ASSERT_WITH_RETVAL(git_packbuilder__progress_lock(me->pb) == 0, NULL);
  89 @@ -1175,8 +1192,7 @@ static int ll_find_deltas(git_packbuilder *pb, git_pobject **list,
  90                 pb->nr_threads = git__online_cpus();
  91
  92         if (pb->nr_threads <= 1) {
  93 -               find_deltas(pb, list, &list_size, window, depth);
  94 -               return 0;
  95 +               return find_deltas(pb, list, &list_size, window, depth);
  96         }
  97
  98         p = git__mallocarray(pb->nr_threads, sizeof(*p));
  99 @@ -1195,6 +1211,7 @@ static int ll_find_deltas(git_packbuilder *pb, git_pobject **list,
 100                 p[i].depth = depth;
 101                 p[i].working = 1;
 102                 p[i].data_ready = 0;
 103 +               p[i].stopped = 0;
 104
 105                 /* try to split chunks on "path" boundaries */
 106                 while (sub_size && sub_size < list_size &&
 107 @@ -1262,7 +1279,7 @@ static int ll_find_deltas(git_packbuilder *pb, git_pobject **list,
 108                             (!victim || victim->remaining < p[i].remaining))
 109                                 victim = &p[i];
 110
 111 -               if (victim) {
 112 +               if (victim && !target->stopped) {
 113                         sub_size = victim->remaining / 2;
 114                         list = victim->list + victim->list_size - sub_size;
 115                         while (sub_size && list[0]->hash &&
 116 @@ -1286,7 +1303,7 @@ static int ll_find_deltas(git_packbuilder *pb, git_pobject **list,
 117                 }
 118                 target->list_size = sub_size;
 119                 target->remaining = sub_size;
 120 -               target->working = 1;
 121 +               target->working = 1; /* even when target->stopped, so that we don't process this thread again */
 122                 GIT_ASSERT(git_packbuilder__progress_unlock(pb) == 0);
 123
 124                 if (git_mutex_lock(&target->mutex)) {
 125 @@ -1299,7 +1316,7 @@ static int ll_find_deltas(git_packbuilder *pb, git_pobject **list,
 126                 git_cond_signal(&target->cond);
 127                 git_mutex_unlock(&target->mutex);
 128
 129 -               if (!sub_size) {
 130 +               if (target->stopped || !sub_size) {
 131                         git_thread_join(&target->thread, NULL);
 132                         git_cond_free(&target->cond);
 133                         git_mutex_free(&target->mutex);
 134 @@ -1308,7 +1325,7 @@ static int ll_find_deltas(git_packbuilder *pb, git_pobject **list,
 135         }
 136
 137         git__free(p);
 138 -       return 0;
 139 +       return pb->failure;
 140  }
 141
 142  #else
 143 @@ -1319,6 +1336,7 @@ int git_packbuilder__prepare(git_packbuilder *pb)
 144  {
 145         git_pobject **delta_list;
 146         size_t i, n = 0;
 147 +       int error;
 148
 149         if (pb->nr_objects == 0 || pb->done)
 150                 return 0; /* nothing to do */
 151 @@ -1327,8 +1345,10 @@ int git_packbuilder__prepare(git_packbuilder *pb)
 152          * Although we do not report progress during deltafication, we
 153          * at least report that we are in the deltafication stage
 154          */
 155 -       if (pb->progress_cb)
 156 -                       pb->progress_cb(GIT_PACKBUILDER_DELTAFICATION, 0, pb->nr_objects, pb->progress_cb_payload);
 157 +       if (pb->progress_cb) {
 158 +               if ((error = pb->progress_cb(GIT_PACKBUILDER_DELTAFICATION, 0, pb->nr_objects, pb->progress_cb_payload)) < 0)
 159 +                       return git_error_set_after_callback(error);
 160 +       }
 161
 162         delta_list = git__mallocarray(pb->nr_objects, sizeof(*delta_list));
 163         GIT_ERROR_CHECK_ALLOC(delta_list);
 164 @@ -1345,31 +1365,33 @@ int git_packbuilder__prepare(git_packbuilder *pb)
 165
 166         if (n > 1) {
 167                 git__tsort((void **)delta_list, n, type_size_sort);
 168 -               if (ll_find_deltas(pb, delta_list, n,
 169 +               if ((error = ll_find_deltas(pb, delta_list, n,
 170                                    GIT_PACK_WINDOW + 1,
 171 -                                  GIT_PACK_DEPTH) < 0) {
 172 +                                  GIT_PACK_DEPTH)) < 0) {
 173                         git__free(delta_list);
 174 -                       return -1;
 175 +                       return error;
 176                 }
 177         }
 178
 179 -       report_delta_progress(pb, pb->nr_objects, true);
 180 +       error = report_delta_progress(pb, pb->nr_objects, true);
 181
 182         pb->done = true;
 183         git__free(delta_list);
 184 -       return 0;
 185 +       return error;
 186  }
 187
 188 -#define PREPARE_PACK if (git_packbuilder__prepare(pb) < 0) { return -1; }
 189 +#define PREPARE_PACK error = git_packbuilder__prepare(pb); if (error < 0) { return error; }
 190
 191  int git_packbuilder_foreach(git_packbuilder *pb, int (*cb)(void *buf, size_t size, void *payload), void *payload)
 192  {
 193 +       int error;
 194         PREPARE_PACK;
 195         return write_pack(pb, cb, payload);
 196  }
 197
 198  int git_packbuilder__write_buf(git_str *buf, git_packbuilder *pb)
 199  {
 200 +       int error;
 201         PREPARE_PACK;
 202
 203         return write_pack(pb, &write_pack_buf, buf);
 204 diff --git a/src/libgit2/pack-objects.h b/src/libgit2/pack-objects.h
 205 index bbc8b9430..380a28ebe 100644
 206 --- a/src/libgit2/pack-objects.h
 207 +++ b/src/libgit2/pack-objects.h
 208 @@ -100,6 +100,10 @@ struct git_packbuilder {
 209         uint64_t last_progress_report_time;
 210
 211         bool done;
 212 +
 213 +       /* A non-zero error code in failure causes all threads to shut themselves
 214 +          down. Some functions will return this error code.  */
 215 +       volatile int failure;
 216  };
 217
 218  int git_packbuilder__write_buf(git_str *buf, git_packbuilder *pb);
 219 diff --git a/tests/libgit2/pack/cancel.c b/tests/libgit2/pack/cancel.c
 220 new file mode 100644
 221 index 000000000..a0aa9716a
 222 --- /dev/null
 223 +++ b/tests/libgit2/pack/cancel.c
 224 @@ -0,0 +1,240 @@
 225 +#include "clar_libgit2.h"
 226 +#include "futils.h"
 227 +#include "pack.h"
 228 +#include "hash.h"
 229 +#include "iterator.h"
 230 +#include "vector.h"
 231 +#include "posix.h"
 232 +#include "hash.h"
 233 +#include "pack-objects.h"
 234 +
 235 +static git_repository *_repo;
 236 +static git_revwalk *_revwalker;
 237 +static git_packbuilder *_packbuilder;
 238 +static git_indexer *_indexer;
 239 +static git_vector _commits;
 240 +static int _commits_is_initialized;
 241 +static git_indexer_progress _stats;
 242 +
 243 +extern bool git_disable_pack_keep_file_checks;
 244 +
 245 +static void pack_packbuilder_init(const char *sandbox) {
 246 +       _repo = cl_git_sandbox_init(sandbox);
 247 +       /* cl_git_pass(p_chdir(sandbox)); */
 248 +       cl_git_pass(git_revwalk_new(&_revwalker, _repo));
 249 +       cl_git_pass(git_packbuilder_new(&_packbuilder, _repo));
 250 +       cl_git_pass(git_vector_init(&_commits, 0, NULL));
 251 +       _commits_is_initialized = 1;
 252 +       memset(&_stats, 0, sizeof(_stats));
 253 +       p_fsync__cnt = 0;
 254 +}
 255 +
 256 +void test_pack_cancel__initialize(void)
 257 +{
 258 +       pack_packbuilder_init("small.git");
 259 +}
 260 +
 261 +void test_pack_cancel__cleanup(void)
 262 +{
 263 +       git_oid *o;
 264 +       unsigned int i;
 265 +
 266 +       cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_FSYNC_GITDIR, 0));
 267 +       cl_git_pass(git_libgit2_opts(GIT_OPT_DISABLE_PACK_KEEP_FILE_CHECKS, false));
 268 +
 269 +       if (_commits_is_initialized) {
 270 +               _commits_is_initialized = 0;
 271 +               git_vector_foreach(&_commits, i, o) {
 272 +                       git__free(o);
 273 +               }
 274 +               git_vector_free(&_commits);
 275 +       }
 276 +
 277 +       git_packbuilder_free(_packbuilder);
 278 +       _packbuilder = NULL;
 279 +
 280 +       git_revwalk_free(_revwalker);
 281 +       _revwalker = NULL;
 282 +
 283 +       git_indexer_free(_indexer);
 284 +       _indexer = NULL;
 285 +
 286 +       /* cl_git_pass(p_chdir("..")); */
 287 +       cl_git_sandbox_cleanup();
 288 +       _repo = NULL;
 289 +}
 290 +
 291 +static int seed_packbuilder(void)
 292 +{
 293 +       int error;
 294 +       git_oid oid, *o;
 295 +       unsigned int i;
 296 +
 297 +       git_revwalk_sorting(_revwalker, GIT_SORT_TIME);
 298 +       cl_git_pass(git_revwalk_push_ref(_revwalker, "HEAD"));
 299 +
 300 +       while (git_revwalk_next(&oid, _revwalker) == 0) {
 301 +               o = git__malloc(sizeof(git_oid));
 302 +               cl_assert(o != NULL);
 303 +               git_oid_cpy(o, &oid);
 304 +               cl_git_pass(git_vector_insert(&_commits, o));
 305 +       }
 306 +
 307 +       git_vector_foreach(&_commits, i, o) {
 308 +               if((error = git_packbuilder_insert(_packbuilder, o, NULL)) < 0)
 309 +                       return error;
 310 +       }
 311 +
 312 +       git_vector_foreach(&_commits, i, o) {
 313 +               git_object *obj;
 314 +               cl_git_pass(git_object_lookup(&obj, _repo, o, GIT_OBJECT_COMMIT));
 315 +               error = git_packbuilder_insert_tree(_packbuilder,
 316 +                                       git_commit_tree_id((git_commit *)obj));
 317 +               git_object_free(obj);
 318 +               if (error < 0)
 319 +                       return error;
 320 +       }
 321 +
 322 +       return 0;
 323 +}
 324 +
 325 +static int fail_stage;
 326 +
 327 +static int packbuilder_cancel_after_n_calls_cb(int stage, uint32_t current, uint32_t total, void *payload)
 328 +{
 329 +
 330 +       /* Force the callback to run again on the next opportunity regardless
 331 +          of how fast we're running. */
 332 +       _packbuilder->last_progress_report_time = 0;
 333 +
 334 +       if (stage == fail_stage) {
 335 +               int *calls = (int *)payload;
 336 +               int n = *calls;
 337 +               /* Always decrement, including past zero. This way the error is only
 338 +                  triggered once, making sure it is picked up immediately. */
 339 +               --*calls;
 340 +               if (n == 0)
 341 +                       return GIT_EUSER;
 342 +       }
 343 +
 344 +       return 0;
 345 +}
 346 +
 347 +static void test_cancel(int n)
 348 +{
 349 +
 350 +       int calls_remaining = n;
 351 +       int err;
 352 +       git_buf buf = GIT_BUF_INIT;
 353 +
 354 +       /* Switch to a small repository, so that `packbuilder_cancel_after_n_calls_cb`
 355 +          can hack the time to call the callback on every opportunity. */
 356 +
 357 +       cl_git_pass(git_packbuilder_set_callbacks(_packbuilder, &packbuilder_cancel_after_n_calls_cb, &calls_remaining));
 358 +       err = seed_packbuilder();
 359 +       if (!err)
 360 +               err = git_packbuilder_write_buf(&buf, _packbuilder);
 361 +
 362 +       cl_assert_equal_i(GIT_EUSER, err);
 363 +}
 364 +void test_pack_cancel__cancel_after_add_0(void)
 365 +{
 366 +       fail_stage = GIT_PACKBUILDER_ADDING_OBJECTS;
 367 +       test_cancel(0);
 368 +}
 369 +
 370 +void test_pack_cancel__cancel_after_add_1(void)
 371 +{
 372 +       cl_skip();
 373 +       fail_stage = GIT_PACKBUILDER_ADDING_OBJECTS;
 374 +       test_cancel(1);
 375 +}
 376 +
 377 +void test_pack_cancel__cancel_after_delta_0(void)
 378 +{
 379 +       fail_stage = GIT_PACKBUILDER_DELTAFICATION;
 380 +       test_cancel(0);
 381 +}
 382 +
 383 +void test_pack_cancel__cancel_after_delta_1(void)
 384 +{
 385 +       fail_stage = GIT_PACKBUILDER_DELTAFICATION;
 386 +       test_cancel(1);
 387 +}
 388 +
 389 +void test_pack_cancel__cancel_after_delta_0_threaded(void)
 390 +{
 391 +#ifdef GIT_THREADS
 392 +       git_packbuilder_set_threads(_packbuilder, 8);
 393 +       fail_stage = GIT_PACKBUILDER_DELTAFICATION;
 394 +       test_cancel(0);
 395 +#else
 396 +       cl_skip();
 397 +#endif
 398 +}
 399 +
 400 +void test_pack_cancel__cancel_after_delta_1_threaded(void)
 401 +{
 402 +#ifdef GIT_THREADS
 403 +       git_packbuilder_set_threads(_packbuilder, 8);
 404 +       fail_stage = GIT_PACKBUILDER_DELTAFICATION;
 405 +       test_cancel(1);
 406 +#else
 407 +       cl_skip();
 408 +#endif
 409 +}
 410 +
 411 +static int foreach_cb(void *buf, size_t len, void *payload)
 412 +{
 413 +       git_indexer *idx = (git_indexer *) payload;
 414 +       cl_git_pass(git_indexer_append(idx, buf, len, &_stats));
 415 +       return 0;
 416 +}
 417 +
 418 +void test_pack_cancel__foreach(void)
 419 +{
 420 +       git_indexer *idx;
 421 +
 422 +       seed_packbuilder();
 423 +
 424 +#ifdef GIT_EXPERIMENTAL_SHA256
 425 +       cl_git_pass(git_indexer_new(&idx, ".", GIT_OID_SHA1, NULL));
 426 +#else
 427 +       cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL));
 428 +#endif
 429 +
 430 +       cl_git_pass(git_packbuilder_foreach(_packbuilder, foreach_cb, idx));
 431 +       cl_git_pass(git_indexer_commit(idx, &_stats));
 432 +       git_indexer_free(idx);
 433 +}
 434 +
 435 +static int foreach_cancel_cb(void *buf, size_t len, void *payload)
 436 +{
 437 +       git_indexer *idx = (git_indexer *)payload;
 438 +       cl_git_pass(git_indexer_append(idx, buf, len, &_stats));
 439 +       return (_stats.total_objects > 2) ? -1111 : 0;
 440 +}
 441 +
 442 +void test_pack_cancel__foreach_with_cancel(void)
 443 +{
 444 +       git_indexer *idx;
 445 +
 446 +       seed_packbuilder();
 447 +
 448 +#ifdef GIT_EXPERIMENTAL_SHA256
 449 +       cl_git_pass(git_indexer_new(&idx, ".", GIT_OID_SHA1, NULL));
 450 +#else
 451 +       cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL));
 452 +#endif
 453 +
 454 +       cl_git_fail_with(
 455 +               git_packbuilder_foreach(_packbuilder, foreach_cancel_cb, idx), -1111);
 456 +       git_indexer_free(idx);
 457 +}
 458 +
 459 +void test_pack_cancel__keep_file_check(void)
 460 +{
 461 +       assert(!git_disable_pack_keep_file_checks);
 462 +       cl_git_pass(git_libgit2_opts(GIT_OPT_DISABLE_PACK_KEEP_FILE_CHECKS, true));
 463 +       assert(git_disable_pack_keep_file_checks);
 464 +}
 465 diff --git a/tests/resources/small.git/HEAD b/tests/resources/small.git/HEAD
 466 new file mode 100644
 467 index 0000000000000000000000000000000000000000..cb089cd89a7d7686d284d8761201649346b5aa1c
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 533 diff --git a/tests/resources/small.git/hooks/fsmonitor-watchman.sample b/tests/resources/small.git/hooks/fsmonitor-watchman.sample
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 577
 578 literal 0
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 580
 581 diff --git a/tests/resources/small.git/hooks/post-update.sample b/tests/resources/small.git/hooks/post-update.sample
 582 new file mode 100755
 583 index 0000000000000000000000000000000000000000..9f95e41a39cf974958277c8881ac6cce405ebb20
 584 GIT binary patch
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 590
 591 literal 0
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 593
 594 diff --git a/tests/resources/small.git/hooks/pre-applypatch.sample b/tests/resources/small.git/hooks/pre-applypatch.sample
 595 new file mode 100755
 596 index 0000000000000000000000000000000000000000..625837e25f91421b8809a097f4a3103dd387ef31
 597 GIT binary patch
 598 literal 481
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 605 I-`Pv{1Bpzc>;M1&
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 607 literal 0
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 610 diff --git a/tests/resources/small.git/hooks/pre-commit.sample b/tests/resources/small.git/hooks/pre-commit.sample
 611 new file mode 100755
 612 index 0000000000000000000000000000000000000000..10b39b2e26981b8f87ea424e735ef87359066dbb
 613 GIT binary patch
 614 literal 1706
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 637
 638 diff --git a/tests/resources/small.git/hooks/pre-merge-commit.sample b/tests/resources/small.git/hooks/pre-merge-commit.sample
 639 new file mode 100755
 640 index 0000000000000000000000000000000000000000..d8e8ad4bcf8337f23c78a98537ecab4831301202
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 650 literal 0
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 653 diff --git a/tests/resources/small.git/hooks/pre-push.sample b/tests/resources/small.git/hooks/pre-push.sample
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 655 index 0000000000000000000000000000000000000000..02cbd80c287f959fe33975bb66c56293e3f5b396
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 678 diff --git a/tests/resources/small.git/hooks/pre-rebase.sample b/tests/resources/small.git/hooks/pre-rebase.sample
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 722 z77zr%;Rq&h|2ncqyKYmFI0148JVY7Q$V5p=dWj<MQ<8r+@QLq+UROk&%quICq^O2C
 723 zp(17882jXI)_GaqzAY4AjoB_nh8k*r1mJ>+Qqpu%i|xp2<qF`Tw6&3`h654ceBjZ7
 724 z4>C=WaOb2Wudn^h0EcD%$p9YVU1fnoRV9`(cy(vv6K>FXS!2jY>1GnU--7)4usH&K
 725 zao*&P^@9~YmUe|ZdLW@C>H;!*<TIU}-!Tw#3oqZA*99}b3&uHiGO<{I6!pMnAiQdS
 726 P!fA@Yk4s_DjDP<F98V`a
 727
 728 literal 0
 729 HcmV?d00001
 730
 731 diff --git a/tests/resources/small.git/hooks/pre-receive.sample b/tests/resources/small.git/hooks/pre-receive.sample
 732 new file mode 100755
 733 index 0000000000000000000000000000000000000000..32b597f8c32399017c3d7d51134d1f6490ad9575
 734 GIT binary patch
 735 literal 601
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 737 zg%Zhg4i7o_k{a5i&f5;tZ==%}^Sn4aD_6%qs<o-wO_Prn;}`SPs_*$C$(7T|$#C3`
 738 zPt%-C8gelZ1GqAP8`ZQmg0{8-S9H{R@D>_XAuJt&EumdH4Yu`UjT<s+s_~uXh}qA8
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 740 zkzmCF8kMtuuelMHIAlqqnm?72LeGM1J4`w(kX9&%LQn}ForlDLjBoCyvxmo@x3kH^
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 742 zaSxI}JS}=Z(Ec80eF`!Zq3mqapXI|UN!a)t;@4hcu%Eq2xcoW}%!><-+XHTuHss+b
 743 YOmM2;hq8Egm*4=7_P9T{21QBYH*F=mfB*mh
 744
 745 literal 0
 746 HcmV?d00001
 747
 748 diff --git a/tests/resources/small.git/hooks/prepare-commit-msg.sample b/tests/resources/small.git/hooks/prepare-commit-msg.sample
 749 new file mode 100755
 750 index 0000000000000000000000000000000000000000..b1970da1b6d3f42f00069fd17c325de72cda812e
 751 GIT binary patch
 752 literal 1702
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 754 z))weX0X>M9bNMcZ-6yG%>(n}JI2|25dr<ew@wmMG{l(3lx~bQz>}WZBP@ih?JX^+@
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 764 zbykelFV-VFvcr>QaZ=aS_}+-4Y&?!@HWh|<^gJ21!|T@+%On#w6azxPHV}XsRbe*w
 765 zR_TZ2XEsQa1lPK~biYqg@0-RW@5J1@=<87cFzEUABdCoFH2CZo?}l(Z*!OFqUxo>K
 766 z_d`l#4d9|H6;VPT{X?^{VJ>oL|D7K{BJwwqB>`YcPoGk+9hbvHnoQ{EM|kPgD_`wk
 767 zKm4#2xu;-y`RAm!=L_BnLvJ8$AZm8@?)v<%vwvsw8AF2x6!mTT;c72A_~U9nIq0ST
 768 zv)N0!I!^1p=g8-RQfx5)E_Mb_4I2vtQpI30XZ&t<!9D6nI|;V7YR3)l6=S~QhuwLQ
 769 g$e&^kTY-M99*<-Iw@(78*M5W!4}U}|8YyMx3->-9h5!Hn
 770
 771 literal 0
 772 HcmV?d00001
 773
 774 diff --git a/tests/resources/small.git/hooks/push-to-checkout.sample b/tests/resources/small.git/hooks/push-to-checkout.sample
 775 new file mode 100755
 776 index 0000000000000000000000000000000000000000..a80611e18896f212c390d845e49a3f6d5693b41d
 777 GIT binary patch
 778 literal 2840
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 780 zNR~aG=E)WbEbeyq7JTw}ZuHIE2kUtL<<n;$&G!2F^Je|kx2ug=4L5!H^!ogx`7o$&
 781 z%Il(3zAe6<oe$^F=A|}s`8}CDp*M#3M)gC-)LOeDUpYMl3YNy9R)I-T)pE7sy09aj
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 785 zfmNNjdAp^W8#Q*}l>CT7RB9F5(BbI8ly2l~+E};JW|>&d1)=epZ-8vm8ppkbEVn#R
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 793 zI|ZAx=*3i9a-)g)hXkvO7>UJ5MNgL(Z+-wpXVcgbSgpmFmbf1~DPA(OVGI&FNLeIE
 794 zNH!_aiH$vsif$_j7=T2{cS(!DOI`~bn@)vSd-0d7xL=DF;UNP|tW}4i<qWTSNCe|y
 795 zg9kV&L9g;FhC@tvsVu#V-brqShHy2qZpA!gg{ZTY>h>DvHtu9tY_pbJ6x(6E*hxgC
 796 zzNDao%qlr-IE%YGbS4hF!n!on7#W3$bX-_hbZAaws^nHu#)Dx=WzdbJ>AKzAy@T$x
 797 zSWE^x9+|TEHVEPyaPYa0DOChp?AeHSBBDbZNokQpAY{lE!7geZI=jV)G^2@<iI(N4
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 799 z8-?%!7XuiNF2O&MAdl-iw{drG+$F^zT2Z7WRV#c6;IRZEf>l)&91Zb1+`T+oq9wWF
 800 zRV~kGTGce0O~p^6mj{kT5kL(pv>r;Lvd7VDX*P>A^Th`$3cWO<svk?_?FeP@458*2
 801 zA1PqUOdd%VP5&4~ocLK16{1GLll64c=mU81RMFstpnMoLuI7hNIE4N)U%h*#<Fz{C
 802 z9#>0<l7lRrls|W(8=W1O80P~6+U7<4BqC}N4-4GR3w#{O7YmH?JxwJfru2d?e){$5
 803 z@5R+`7Z;1)FW;OkE-(HPisCS;5F4O^Q>L81p4Ysdo3ZP1(SrR-peEdTo;-@bkB((G
 804 zPHYQXUL!@Q$e(OQ;R9r%@Afz+50I7>*^^c&&|E*r-jN)LH=pM4AqMwWxSv|nqjddE
 805 Z4{_hwv8!W(<d3>T<BC%y-6O5i(|^OS%`gA}
 806
 807 literal 0
 808 HcmV?d00001
 809
 810 diff --git a/tests/resources/small.git/hooks/sendemail-validate.sample b/tests/resources/small.git/hooks/sendemail-validate.sample
 811 new file mode 100755
 812 index 0000000000000000000000000000000000000000..effa6f54f2a5c1f0cebe258bf4805904be4b4852
 813 GIT binary patch
 814 literal 2365
 815 zcmb_dU2oe)5PUX&#g-Nv2{5JDX_MA~3%Iq?8g*kpRgpYZIFU=~BI=I5J6e{T{`bz^
 816 zk+$48h#x9Ika!=nv$M0y{clD}-j1x(hDWbnzP?l2k8j?TH{brS+Nf21yPm)Nczma>
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 820 zoW}t(*D}$>O3ab0TS^-;J|u&sb-PkZzo#kn*#xYt(;<xzKW(YtQZ$u23?yV#kyh1~
 821 z@+Idh;EG5jXx8@%<;Y_W8SA=|T;MPQ)TB!!<QcbU)YR4)79eeeg4|vp-8jm%Dl3^I
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 827 zxVCvek26-bf#Q!H+uAgy_{e_1UZCq>(CihZJx@8MPoGdl*BJGD;usf*iS7%;{Joe;
 828 zNFuBa>*~o&qETDPo~u&~$FxE1xb^x&(CbE`Y3GfsibL2rl+L;>P6j&Y3U>K$mkp*6
 829 zd`Q{<^+^&;GskGjwD-%!boR&i-TC<Uvy02w+l$Nb?B}aL-%ZDpluqd=K_@}z*fyuV
 830 zzAs1Hf?3v$k!X7GTc8Q=r`WJ_Uu=>A9UOR|@=GYb5x#<f&WSMH%mCJU<#=7=qFdL6
 831 zG?Wz&6z&J<@I(B>+dhd7fkaVIR^pol`Mv+rUbmZ43dVL6^S7g3{NsPiG$iy$5EDB%
 832 z6KIgnb$H(n&t3e4E6d4V7w^B?JS}JkG)PM6+X3Co`SQs($O*AA+MG~{S7RJ=cy-l&
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 834 ziwG=e=ch|FQ0IkN91US7rhdQkXhwwt$gU0WEVDjo=IPb+?6PC=s8}J*ua(Ms))`UL
 835 fi$|vMHn?H<rred|1&u#kOoJ`%vx)-*g-ZSfgGvdP
 836
 837 literal 0
 838 HcmV?d00001
 839
 840 diff --git a/tests/resources/small.git/hooks/update.sample b/tests/resources/small.git/hooks/update.sample
 841 new file mode 100755
 842 index 0000000000000000000000000000000000000000..c3430f6fe27e572a1cebdb2f2bec70add0642a60
 843 GIT binary patch
 844 literal 3707
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 862 znZ#uxF>N?QN5UrIEd!5RgHEf<eGg}P45aAs(Xs6u!XW9r1I*E6XJ^1movX@xYLuPz
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 866 zozoWSr{{+!h}zGpumG3H`=AvWpm^9kW;J$Jp^Xl*?8ckr`fqN%c|Z;VC0|cM4vSrk
 867 zH_O8Yvh85nvJp^;``wo8=z0f`FWg?`>gO#y1hjX1{}rTlg9rwIKia8eyGexA3GnuR
 868 z`Rg~XZoW;0pA)vI8=p5!+6sIn#C^FCvR>ffv39h6SCNi9v);%WD;WZ`of_MgwyRWy
 869 z-yY%n*Y>X8<Sf+RyB|Sr2YG@1w~%U$o`(5EDkJ|3$u=eMZA&_wxEsy<Xxh2k^tP?4
 870 RGx&ZHQs^8zuIpu!=pQhfp8Eg*
 871
 872 literal 0
 873 HcmV?d00001
 874
 875 diff --git a/tests/resources/small.git/info/exclude b/tests/resources/small.git/info/exclude
 876 new file mode 100644
 877 index 0000000000000000000000000000000000000000..a5196d1be8fb59edf8062bef36d3a602e0812139
 878 GIT binary patch
 879 literal 240
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 881 zqG?zr3TvQGZ__}H4(u*%p*rI=cU!%ya5ugfGATh66$IJHgu1Gs0-<N;$V+SsdE)?u
 882 zIq;i$f#WE4f$_MWicZjMEob9LWKMR#iwZq54~QgST^6=i%u0lUkJu-_J**QBMq}ZG
 883 Wth_)NDbl|`oQr&HAFQ5h`0jqAIZ*BZ
 884
 885 literal 0
 886 HcmV?d00001
 887
 888 diff --git a/tests/resources/small.git/objects/88/f9a6eaa2cf008b9bc92847178621f21fa99f3e b/tests/resources/small.git/objects/88/f9a6eaa2cf008b9bc92847178621f21fa99f3e
 889 new file mode 100644
 890 index 0000000000000000000000000000000000000000..7d80b8d78e0dc55669d831a6638f48ec9fed0982
 891 GIT binary patch
 892 literal 50
 893 zcmV-20L}k+0V^p=O;s>9W-v4`Ff%bx$Vkn}$!Ay}rnY6F$m-Kg*KD_+;Lx#g4|^&N
 894 I02NaX#p`nv=Kufz
 895
 896 literal 0
 897 HcmV?d00001
 898
 899 diff --git a/tests/resources/small.git/objects/af/5626b4a114abcb82d63db7c8082c3c4756e51b b/tests/resources/small.git/objects/af/5626b4a114abcb82d63db7c8082c3c4756e51b
 900 new file mode 100644
 901 index 0000000000000000000000000000000000000000..822bc151862ec3763cf2d3fa2372b93bbd3a4b65
 902 GIT binary patch
 903 literal 30
 904 mcmb<m^geacKghr&@q@?NlP9kSYMj?U<r(;diNWtH+YSKNt_|)0
 905
 906 literal 0
 907 HcmV?d00001
 908
 909 diff --git a/tests/resources/small.git/objects/c6/97d4f7a6eac8d7b131673c340bd3cc5bac14d4 b/tests/resources/small.git/objects/c6/97d4f7a6eac8d7b131673c340bd3cc5bac14d4
 910 new file mode 100644
 911 index 0000000000000000000000000000000000000000..5adfa88cc6b00bb19f2031b8ab61f6d07f9ccdb8
 912 GIT binary patch
 913 literal 130
 914 zcmV-|0Db>>0i}&W3IZ_@1U=^!a~EV1casc=c+{&un1qQN*i9hD|0|m(2n|iwp*q%W
 915 z%N;b$hu%cM`$TMo*~EnC1BFP&Pfj~;jZVKXQ96s_PhV<-XAROi+@-v8dBLUa`!;GB
 916 k^i<X>XlEv8$>R)1G>9th&t3j;s7J{?^9n<zzF|~BaA?ar-~a#s
 917
 918 literal 0
 919 HcmV?d00001
 920
 921 diff --git a/tests/resources/small.git/refs/heads/master b/tests/resources/small.git/refs/heads/master
 922 new file mode 100644
 923 index 0000000000000000000000000000000000000000..4eb36d22298f060fd324155ab854d9d6486fc498
 924 GIT binary patch
 925 literal 41
 926 ucmV~$!4Uu;2m`Rc)5uXl$AMP&AHjriQg~T$i(A>|7U^`%mXoWC24Q^m!3%@{
 927
 928 literal 0
 929 HcmV?d00001
 930