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Merge pull request #3847 from libgit2/ethomson/read_index_conflicts

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Include conflicts in `git_index_read_index`
This commit is contained in:
Edward Thomson 2016-06-30 10:20:32 -04:00 committed by GitHub
commit e421845033
4 changed files with 150 additions and 22 deletions
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52
src/index.c
View File

@ -2925,38 +2925,39 @@ cleanup:
return error;
}
int git_index_read_index(
static int git_index_read_iterator(
git_index *index,
const git_index *new_index)
git_iterator *new_iterator,
size_t new_length_hint)
{
git_vector new_entries = GIT_VECTOR_INIT,
remove_entries = GIT_VECTOR_INIT;
git_idxmap *new_entries_map = NULL;
git_iterator *index_iterator = NULL;
git_iterator *new_iterator = NULL;
git_iterator_options opts = GIT_ITERATOR_OPTIONS_INIT;
const git_index_entry *old_entry, *new_entry;
git_index_entry *entry;
size_t i;
int error;
if ((error = git_vector_init(&new_entries, new_index->entries.length, index->entries._cmp)) < 0 ||
assert((new_iterator->flags & GIT_ITERATOR_DONT_IGNORE_CASE));
if ((error = git_vector_init(&new_entries, new_length_hint, index->entries._cmp)) < 0 ||
(error = git_vector_init(&remove_entries, index->entries.length, NULL)) < 0 ||
(error = git_idxmap_alloc(&new_entries_map)) < 0)
goto done;
if (index->ignore_case)
kh_resize(idxicase, (khash_t(idxicase) *) new_entries_map, new_index->entries.length);
else
kh_resize(idx, new_entries_map, new_index->entries.length);
if (index->ignore_case && new_length_hint)
kh_resize(idxicase, (khash_t(idxicase) *) new_entries_map, new_length_hint);
else if (new_length_hint)
kh_resize(idx, new_entries_map, new_length_hint);
opts.flags = GIT_ITERATOR_DONT_IGNORE_CASE;
opts.flags = GIT_ITERATOR_DONT_IGNORE_CASE |
GIT_ITERATOR_INCLUDE_CONFLICTS;
if ((error = git_iterator_for_index(&index_iterator, git_index_owner(index), index, &opts)) < 0 ||
(error = git_iterator_for_index(&new_iterator, git_index_owner(new_index), (git_index *)new_index, &opts)) < 0)
goto done;
if (((error = git_iterator_current(&old_entry, index_iterator)) < 0 &&
if ((error = git_iterator_for_index(&index_iterator,
git_index_owner(index), index, &opts)) < 0 ||
((error = git_iterator_current(&old_entry, index_iterator)) < 0 &&
error != GIT_ITEROVER) ||
((error = git_iterator_current(&new_entry, new_iterator)) < 0 &&
error != GIT_ITEROVER))
@ -3050,6 +3051,8 @@ int git_index_read_index(
index_entry_free(entry);
}
clear_uptodate(index);
error = 0;
done:
@ -3057,6 +3060,27 @@ done:
git_vector_free(&new_entries);
git_vector_free(&remove_entries);
git_iterator_free(index_iterator);
return error;
}
int git_index_read_index(
git_index *index,
const git_index *new_index)
{
git_iterator *new_iterator = NULL;
git_iterator_options opts = GIT_ITERATOR_OPTIONS_INIT;
int error;
opts.flags = GIT_ITERATOR_DONT_IGNORE_CASE |
GIT_ITERATOR_INCLUDE_CONFLICTS;
if ((error = git_iterator_for_index(&new_iterator,
git_index_owner(new_index), (git_index *)new_index, &opts)) < 0 ||
(error = git_index_read_iterator(index, new_iterator,
new_index->entries.length)) < 0)
goto done;
done:
git_iterator_free(new_iterator);
return error;
}

9
tests/index/conflicts.c
View File

@ -1,6 +1,7 @@
#include "clar_libgit2.h"
#include "index.h"
#include "git2/repository.h"
#include "conflicts.h"
static git_repository *repo;
static git_index *repo_index;
@ -8,14 +9,6 @@ static git_index *repo_index;
#define TEST_REPO_PATH "mergedrepo"
#define TEST_INDEX_PATH TEST_REPO_PATH "/.git/index"
#define CONFLICTS_ONE_ANCESTOR_OID "1f85ca51b8e0aac893a621b61a9c2661d6aa6d81"
#define CONFLICTS_ONE_OUR_OID "6aea5f295304c36144ad6e9247a291b7f8112399"
#define CONFLICTS_ONE_THEIR_OID "516bd85f78061e09ccc714561d7b504672cb52da"
#define CONFLICTS_TWO_ANCESTOR_OID "84af62840be1b1c47b778a8a249f3ff45155038c"
#define CONFLICTS_TWO_OUR_OID "8b3f43d2402825c200f835ca1762413e386fd0b2"
#define CONFLICTS_TWO_THEIR_OID "220bd62631c8cf7a83ef39c6b94595f00517211e"
// Fixture setup and teardown
void test_index_conflicts__initialize(void)
{

7
tests/index/conflicts.h Normal file
View File

@ -0,0 +1,7 @@
#define CONFLICTS_ONE_ANCESTOR_OID "1f85ca51b8e0aac893a621b61a9c2661d6aa6d81"
#define CONFLICTS_ONE_OUR_OID "6aea5f295304c36144ad6e9247a291b7f8112399"
#define CONFLICTS_ONE_THEIR_OID "516bd85f78061e09ccc714561d7b504672cb52da"
#define CONFLICTS_TWO_ANCESTOR_OID "84af62840be1b1c47b778a8a249f3ff45155038c"
#define CONFLICTS_TWO_OUR_OID "8b3f43d2402825c200f835ca1762413e386fd0b2"
#define CONFLICTS_TWO_THEIR_OID "220bd62631c8cf7a83ef39c6b94595f00517211e"

104
tests/index/read_index.c
View File

@ -1,6 +1,7 @@
#include "clar_libgit2.h"
#include "posix.h"
#include "index.h"
#include "conflicts.h"
static git_repository *_repo;
static git_index *_index;
@ -126,3 +127,106 @@ void test_index_read_index__read_and_writes(void)
git_index_free(tree_index);
git_index_free(new_index);
}
static void add_conflicts(git_index *index, const char *filename)
{
git_index_entry ancestor_entry, our_entry, their_entry;
static int conflict_idx = 0;
char *ancestor_ids[] =
{ CONFLICTS_ONE_ANCESTOR_OID, CONFLICTS_TWO_ANCESTOR_OID };
char *our_ids[] =
{ CONFLICTS_ONE_OUR_OID, CONFLICTS_TWO_OUR_OID };
char *their_ids[] =
{ CONFLICTS_ONE_THEIR_OID, CONFLICTS_TWO_THEIR_OID };
conflict_idx = (conflict_idx + 1) % 2;
memset(&ancestor_entry, 0x0, sizeof(git_index_entry));
memset(&our_entry, 0x0, sizeof(git_index_entry));
memset(&their_entry, 0x0, sizeof(git_index_entry));
ancestor_entry.path = filename;
ancestor_entry.mode = 0100644;
GIT_IDXENTRY_STAGE_SET(&ancestor_entry, 1);
git_oid_fromstr(&ancestor_entry.id, ancestor_ids[conflict_idx]);
our_entry.path = filename;
our_entry.mode = 0100644;
GIT_IDXENTRY_STAGE_SET(&our_entry, 2);
git_oid_fromstr(&our_entry.id, our_ids[conflict_idx]);
their_entry.path = filename;
their_entry.mode = 0100644;
GIT_IDXENTRY_STAGE_SET(&ancestor_entry, 2);
git_oid_fromstr(&their_entry.id, their_ids[conflict_idx]);
cl_git_pass(git_index_conflict_add(index, &ancestor_entry,
&our_entry, &their_entry));
}
void test_index_read_index__handles_conflicts(void)
{
git_oid tree_id;
git_tree *tree;
git_index *index, *new_index;
git_index_conflict_iterator *conflict_iterator;
const git_index_entry *ancestor, *ours, *theirs;
cl_git_pass(git_oid_fromstr(&tree_id, "ae90f12eea699729ed24555e40b9fd669da12a12"));
cl_git_pass(git_tree_lookup(&tree, _repo, &tree_id));
cl_git_pass(git_index_new(&index));
cl_git_pass(git_index_new(&new_index));
cl_git_pass(git_index_read_tree(index, tree));
cl_git_pass(git_index_read_tree(new_index, tree));
/* put some conflicts in only the old side, these should be removed */
add_conflicts(index, "orig_side-1.txt");
add_conflicts(index, "orig_side-2.txt");
/* put some conflicts in both indexes, these should be unchanged */
add_conflicts(index, "both_sides-1.txt");
add_conflicts(new_index, "both_sides-1.txt");
add_conflicts(index, "both_sides-2.txt");
add_conflicts(new_index, "both_sides-2.txt");
/* put some conflicts in the new index, these should be added */
add_conflicts(new_index, "new_side-1.txt");
add_conflicts(new_index, "new_side-2.txt");
cl_git_pass(git_index_read_index(index, new_index));
cl_git_pass(git_index_conflict_iterator_new(&conflict_iterator, index));
cl_git_pass(git_index_conflict_next(
&ancestor, &ours, &theirs, conflict_iterator));
cl_assert_equal_s("both_sides-1.txt", ancestor->path);
cl_assert_equal_s("both_sides-1.txt", ours->path);
cl_assert_equal_s("both_sides-1.txt", theirs->path);
cl_git_pass(git_index_conflict_next(
&ancestor, &ours, &theirs, conflict_iterator));
cl_assert_equal_s("both_sides-2.txt", ancestor->path);
cl_assert_equal_s("both_sides-2.txt", ours->path);
cl_assert_equal_s("both_sides-2.txt", theirs->path);
cl_git_pass(git_index_conflict_next(
&ancestor, &ours, &theirs, conflict_iterator));
cl_assert_equal_s("new_side-1.txt", ancestor->path);
cl_assert_equal_s("new_side-1.txt", ours->path);
cl_assert_equal_s("new_side-1.txt", theirs->path);
cl_git_pass(git_index_conflict_next(
&ancestor, &ours, &theirs, conflict_iterator));
cl_assert_equal_s("new_side-2.txt", ancestor->path);
cl_assert_equal_s("new_side-2.txt", ours->path);
cl_assert_equal_s("new_side-2.txt", theirs->path);
cl_git_fail_with(GIT_ITEROVER, git_index_conflict_next(
&ancestor, &ours, &theirs, conflict_iterator));
git_index_conflict_iterator_free(conflict_iterator);
git_tree_free(tree);
git_index_free(new_index);
git_index_free(index);
}