GITERR_CHERRYPICK,
GITERR_DESCRIBE,
GITERR_REBASE,
- GITERR_FILESYSTEM
+ GITERR_FILESYSTEM,
+ GITERR_PATCH,
} git_error_t;
/**
--- /dev/null
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+
+#include <assert.h>
+
+#include "git2/patch.h"
+#include "git2/filter.h"
+#include "array.h"
+#include "diff_patch.h"
+#include "fileops.h"
+#include "apply.h"
+
+#define apply_err(...) \
+ ( giterr_set(GITERR_PATCH, __VA_ARGS__), -1 )
+
+typedef struct {
+ /* The lines that we allocate ourself are allocated out of the pool.
+ * (Lines may have been allocated out of the diff.)
+ */
+ git_pool pool;
+ git_vector lines;
+} patch_image;
+
+static void patch_line_init(
+ git_diff_line *out,
+ const char *in,
+ size_t in_len,
+ size_t in_offset)
+{
+ out->content = in;
+ out->content_len = in_len;
+ out->content_offset = in_offset;
+}
+
+static unsigned int patch_image_init(patch_image *out)
+{
+ memset(out, 0x0, sizeof(patch_image));
+ return 0;
+}
+
+static int patch_image_init_fromstr(
+ patch_image *out, const char *in, size_t in_len)
+{
+ git_diff_line *line;
+ const char *start, *end;
+
+ memset(out, 0x0, sizeof(patch_image));
+
+ git_pool_init(&out->pool, sizeof(git_diff_line));
+
+ for (start = in; start < in + in_len; start = end) {
+ end = memchr(start, '\n', in_len);
+
+ if (end < in + in_len)
+ end++;
+
+ line = git_pool_mallocz(&out->pool, 1);
+ GITERR_CHECK_ALLOC(line);
+
+ if (git_vector_insert(&out->lines, line) < 0)
+ return -1;
+
+ patch_line_init(line, start, (end - start), (start - in));
+ }
+
+ return 0;
+}
+
+static void patch_image_free(patch_image *image)
+{
+ if (image == NULL)
+ return;
+
+ git_pool_clear(&image->pool);
+ git_vector_free(&image->lines);
+}
+
+static bool match_hunk(
+ patch_image *image,
+ patch_image *preimage,
+ size_t linenum)
+{
+ bool match = 0;
+ size_t i;
+
+ /* Ensure this hunk is within the image boundaries. */
+ if (git_vector_length(&preimage->lines) + linenum >
+ git_vector_length(&image->lines))
+ return 0;
+
+ match = 1;
+
+ /* Check exact match. */
+ for (i = 0; i < git_vector_length(&preimage->lines); i++) {
+ git_diff_line *preimage_line = git_vector_get(&preimage->lines, i);
+ git_diff_line *image_line = git_vector_get(&image->lines, linenum + i);
+
+ if (preimage_line->content_len != preimage_line->content_len ||
+ memcmp(preimage_line->content, image_line->content, image_line->content_len) != 0) {
+ match = 0;
+ break;
+ }
+ }
+
+ return match;
+}
+
+static bool find_hunk_linenum(
+ size_t *out,
+ patch_image *image,
+ patch_image *preimage,
+ size_t linenum)
+{
+ size_t max = git_vector_length(&image->lines);
+ bool match;
+
+ if (linenum > max)
+ linenum = max;
+
+ match = match_hunk(image, preimage, linenum);
+
+ *out = linenum;
+ return match;
+}
+
+static int update_hunk(
+ patch_image *image,
+ unsigned int linenum,
+ patch_image *preimage,
+ patch_image *postimage)
+{
+ size_t postlen = git_vector_length(&postimage->lines);
+ size_t prelen = git_vector_length(&preimage->lines);
+ size_t i;
+ int error = 0;
+
+ if (postlen > prelen)
+ error = git_vector_grow_at(
+ &image->lines, linenum, (postlen - prelen));
+ else if (prelen > postlen)
+ error = git_vector_shrink_at(
+ &image->lines, linenum, (prelen - postlen));
+
+ if (error) {
+ giterr_set_oom();
+ return -1;
+ }
+
+ for (i = 0; i < git_vector_length(&postimage->lines); i++) {
+ image->lines.contents[linenum + i] =
+ git_vector_get(&postimage->lines, i);
+ }
+
+ return 0;
+}
+
+static int apply_hunk(
+ patch_image *image,
+ git_patch *patch,
+ diff_patch_hunk *hunk)
+{
+ patch_image preimage, postimage;
+ size_t line_num, i;
+ int error = 0;
+
+ if ((error = patch_image_init(&preimage)) < 0 ||
+ (error = patch_image_init(&postimage)) < 0)
+ goto done;
+
+ for (i = 0; i < hunk->line_count; i++) {
+ size_t linenum = hunk->line_start + i;
+ git_diff_line *line = git_array_get(patch->lines, linenum);
+
+ if (!line) {
+ error = apply_err("Preimage does not contain line %d", linenum);
+ goto done;
+ }
+
+ if (line->origin == GIT_DIFF_LINE_CONTEXT ||
+ line->origin == GIT_DIFF_LINE_DELETION) {
+ if ((error = git_vector_insert(&preimage.lines, line)) < 0)
+ goto done;
+ }
+
+ if (line->origin == GIT_DIFF_LINE_CONTEXT ||
+ line->origin == GIT_DIFF_LINE_ADDITION) {
+ if ((error = git_vector_insert(&postimage.lines, line)) < 0)
+ goto done;
+ }
+ }
+
+ line_num = hunk->hunk.new_start ? hunk->hunk.new_start - 1 : 0;
+
+ if (!find_hunk_linenum(&line_num, image, &preimage, line_num)) {
+ error = apply_err("Hunk at line %d did not apply",
+ hunk->hunk.new_start);
+ goto done;
+ }
+
+ error = update_hunk(image, line_num, &preimage, &postimage);
+
+done:
+ patch_image_free(&preimage);
+ patch_image_free(&postimage);
+
+ return error;
+}
+
+static int apply_hunks(
+ git_buf *out,
+ const char *source,
+ size_t source_len,
+ git_patch *patch)
+{
+ diff_patch_hunk *hunk;
+ git_diff_line *line;
+ patch_image image;
+ size_t i;
+ int error = 0;
+
+ if ((error = patch_image_init_fromstr(&image, source, source_len)) < 0)
+ goto done;
+
+ git_array_foreach(patch->hunks, i, hunk) {
+ if ((error = apply_hunk(&image, patch, hunk)) < 0)
+ goto done;
+ }
+
+ git_vector_foreach(&image.lines, i, line)
+ git_buf_put(out, line->content, line->content_len);
+
+done:
+ patch_image_free(&image);
+
+ return error;
+}
+
+int git_apply__patch(
+ git_buf *contents_out,
+ char **filename_out,
+ unsigned int *mode_out,
+ const char *source,
+ size_t source_len,
+ git_patch *patch)
+{
+ char *filename = NULL;
+ unsigned int mode = 0;
+ int error = 0;
+
+ assert(contents_out && filename_out && mode_out && (source || !source_len) && patch);
+
+ *filename_out = NULL;
+ *mode_out = 0;
+
+ if (patch->delta->status != GIT_DELTA_DELETED) {
+ filename = git__strdup(patch->nfile.file->path);
+ mode = patch->nfile.file->mode ?
+ patch->nfile.file->mode : GIT_FILEMODE_BLOB;
+ }
+
+ if ((error = apply_hunks(contents_out, source, source_len, patch)) < 0)
+ goto done;
+
+ if (patch->delta->status == GIT_DELTA_DELETED &&
+ git_buf_len(contents_out) > 0) {
+ error = apply_err("removal patch leaves file contents");
+ goto done;
+ }
+
+ *filename_out = filename;
+ *mode_out = mode;
+
+done:
+ if (error < 0)
+ git__free(filename);
+
+ return error;
+}
--- /dev/null
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_apply_h__
+#define INCLUDE_apply_h__
+
+#include "git2/patch.h"
+#include "buffer.h"
+
+extern int git_apply__patch(
+ git_buf *out,
+ char **filename,
+ unsigned int *mode,
+ const char *source,
+ size_t source_len,
+ git_patch *patch);
+
+#endif
#define git_array_foreach(a, i, element) \
for ((i) = 0; (i) < (a).size && ((element) = &(a).ptr[(i)]); (i)++)
-
GIT_INLINE(int) git_array__search(
size_t *out,
void *array_ptr,
return 0;
}
+int git_vector_grow_at(git_vector *v, size_t idx, size_t grow_len)
+{
+ size_t new_length = v->length + grow_len;
+ size_t new_idx = idx + grow_len;
+
+ assert(grow_len > 0);
+ assert (idx <= v->length);
+
+ if (new_length < v->length ||
+ (new_length > v->_alloc_size && resize_vector(v, new_length) < 0))
+ return -1;
+
+ memmove(&v->contents[new_idx], &v->contents[idx],
+ sizeof(void *) * (v->length - idx));
+ memset(&v->contents[idx], 0, sizeof(void *) * grow_len);
+
+ v->length = new_length;
+ return 0;
+}
+
+int git_vector_shrink_at(git_vector *v, size_t idx, size_t shrink_len)
+{
+ size_t new_length = v->length - shrink_len;
+ size_t end_idx = idx + shrink_len;
+
+ assert(shrink_len > 0 && shrink_len <= v->length);
+ assert(idx <= v->length);
+
+ if (new_length > v->length)
+ return -1;
+
+ if (idx > v->length)
+ memmove(&v->contents[idx], &v->contents[end_idx],
+ sizeof(void *) * (v->length - idx));
+
+ memset(&v->contents[new_length], 0, sizeof(void *) * shrink_len);
+
+ v->length = new_length;
+ return 0;
+}
+
int git_vector_set(void **old, git_vector *v, size_t position, void *value)
{
if (position + 1 > v->length) {
void *payload);
int git_vector_resize_to(git_vector *v, size_t new_length);
+int git_vector_grow_at(git_vector *v, size_t idx, size_t grow_len);
+int git_vector_shrink_at(git_vector *v, size_t idx, size_t shrink_len);
+
int git_vector_set(void **old, git_vector *v, size_t position, void *value);
/** Check if vector is sorted */
--- /dev/null
+/* The original file contents */
+
+#define FILE_ORIGINAL \
+ "hey!\n" \
+ "this is some context!\n" \
+ "around some lines\n" \
+ "that will change\n" \
+ "yes it is!\n" \
+ "(this line is changed)\n" \
+ "and this\n" \
+ "is additional context\n" \
+ "below it!\n"
+
+/* A change in the middle of the file (and the resultant patch) */
+
+#define FILE_CHANGE_MIDDLE \
+ "hey!\n" \
+ "this is some context!\n" \
+ "around some lines\n" \
+ "that will change\n" \
+ "yes it is!\n" \
+ "(THIS line is changed!)\n" \
+ "and this\n" \
+ "is additional context\n" \
+ "below it!\n"
+
+#define PATCH_ORIGINAL_TO_CHANGE_MIDDLE \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index 9432026..cd8fd12 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -3,7 +3,7 @@ this is some context!\n" \
+ " around some lines\n" \
+ " that will change\n" \
+ " yes it is!\n" \
+ "-(this line is changed)\n" \
+ "+(THIS line is changed!)\n" \
+ " and this\n" \
+ " is additional context\n" \
+ " below it!\n"
+
+#define PATCH_ORIGINAL_TO_CHANGE_MIDDLE_NOCONTEXT \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index 9432026..cd8fd12 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -6 +6 @@ yes it is!\n" \
+ "-(this line is changed)\n" \
+ "+(THIS line is changed!)\n"
+
+/* A change of the first line (and the resultant patch) */
+
+#define FILE_CHANGE_FIRSTLINE \
+ "hey, change in head!\n" \
+ "this is some context!\n" \
+ "around some lines\n" \
+ "that will change\n" \
+ "yes it is!\n" \
+ "(this line is changed)\n" \
+ "and this\n" \
+ "is additional context\n" \
+ "below it!\n"
+
+#define PATCH_ORIGINAL_TO_CHANGE_FIRSTLINE \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index 9432026..c81df1d 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -1,4 +1,4 @@\n" \
+ "-hey!\n" \
+ "+hey, change in head!\n" \
+ " this is some context!\n" \
+ " around some lines\n" \
+ " that will change\n"
+
+/* A change of the last line (and the resultant patch) */
+
+#define FILE_CHANGE_LASTLINE \
+ "hey!\n" \
+ "this is some context!\n" \
+ "around some lines\n" \
+ "that will change\n" \
+ "yes it is!\n" \
+ "(this line is changed)\n" \
+ "and this\n" \
+ "is additional context\n" \
+ "change to the last line.\n"
+
+#define PATCH_ORIGINAL_TO_CHANGE_LASTLINE \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index 9432026..f70db1c 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -6,4 +6,4 @@ yes it is!\n" \
+ " (this line is changed)\n" \
+ " and this\n" \
+ " is additional context\n" \
+ "-below it!\n" \
+ "+change to the last line.\n"
+
+/* An insertion at the beginning of the file (and the resultant patch) */
+
+#define FILE_PREPEND \
+ "insert at front\n" \
+ "hey!\n" \
+ "this is some context!\n" \
+ "around some lines\n" \
+ "that will change\n" \
+ "yes it is!\n" \
+ "(this line is changed)\n" \
+ "and this\n" \
+ "is additional context\n" \
+ "below it!\n"
+
+#define PATCH_ORIGINAL_TO_PREPEND \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index 9432026..0f39b9a 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -1,3 +1,4 @@\n" \
+ "+insert at front\n" \
+ " hey!\n" \
+ " this is some context!\n" \
+ " around some lines\n"
+
+#define PATCH_ORIGINAL_TO_PREPEND_NOCONTEXT \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index 9432026..0f39b9a 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -0,0 +1 @@\n" \
+ "+insert at front\n"
+
+/* An insertion at the end of the file (and the resultant patch) */
+
+#define FILE_APPEND \
+ "hey!\n" \
+ "this is some context!\n" \
+ "around some lines\n" \
+ "that will change\n" \
+ "yes it is!\n" \
+ "(this line is changed)\n" \
+ "and this\n" \
+ "is additional context\n" \
+ "below it!\n" \
+ "insert at end\n"
+
+#define PATCH_ORIGINAL_TO_APPEND \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index 9432026..72788bb 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -7,3 +7,4 @@ yes it is!\n" \
+ " and this\n" \
+ " is additional context\n" \
+ " below it!\n" \
+ "+insert at end\n"
+
+#define PATCH_ORIGINAL_TO_APPEND_NOCONTEXT \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index 9432026..72788bb 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -9,0 +10 @@ below it!\n" \
+ "+insert at end\n"
+
+/* An insertion at the beginning and end of file (and the resultant patch) */
+
+#define FILE_PREPEND_AND_APPEND \
+ "first and\n" \
+ "this is some context!\n" \
+ "around some lines\n" \
+ "that will change\n" \
+ "yes it is!\n" \
+ "(this line is changed)\n" \
+ "and this\n" \
+ "is additional context\n" \
+ "last lines\n"
+
+#define PATCH_ORIGINAL_TO_PREPEND_AND_APPEND \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index 9432026..f282430 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -1,4 +1,4 @@\n" \
+ "-hey!\n" \
+ "+first and\n" \
+ " this is some context!\n" \
+ " around some lines\n" \
+ " that will change\n" \
+ "@@ -6,4 +6,4 @@ yes it is!\n" \
+ " (this line is changed)\n" \
+ " and this\n" \
+ " is additional context\n" \
+ "-below it!\n" \
+ "+last lines\n"
+
+#define PATCH_ORIGINAL_TO_EMPTY_FILE \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index 9432026..e69de29 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -1,9 +0,0 @@\n" \
+ "-hey!\n" \
+ "-this is some context!\n" \
+ "-around some lines\n" \
+ "-that will change\n" \
+ "-yes it is!\n" \
+ "-(this line is changed)\n" \
+ "-and this\n" \
+ "-is additional context\n" \
+ "-below it!\n"
+
+#define PATCH_EMPTY_FILE_TO_ORIGINAL \
+ "diff --git a/file.txt b/file.txt\n" \
+ "index e69de29..9432026 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/file.txt\n" \
+ "@@ -0,0 +1,9 @@\n" \
+ "+hey!\n" \
+ "+this is some context!\n" \
+ "+around some lines\n" \
+ "+that will change\n" \
+ "+yes it is!\n" \
+ "+(this line is changed)\n" \
+ "+and this\n" \
+ "+is additional context\n" \
+ "+below it!\n"
+
+#define PATCH_ADD_ORIGINAL \
+ "diff --git a/file.txt b/file.txt\n" \
+ "new file mode 100644\n" \
+ "index 0000000..9432026\n" \
+ "--- /dev/null\n" \
+ "+++ b/file.txt\n" \
+ "@@ -0,0 +1,9 @@\n" \
+ "+hey!\n" \
+ "+this is some context!\n" \
+ "+around some lines\n" \
+ "+that will change\n" \
+ "+yes it is!\n" \
+ "+(this line is changed)\n" \
+ "+and this\n" \
+ "+is additional context\n" \
+ "+below it!\n"
+
+#define PATCH_DELETE_ORIGINAL \
+ "diff --git a/file.txt b/file.txt\n" \
+ "deleted file mode 100644\n" \
+ "index 9432026..0000000\n" \
+ "--- a/file.txt\n" \
+ "+++ /dev/null\n" \
+ "@@ -1,9 +0,0 @@\n" \
+ "-hey!\n" \
+ "-this is some context!\n" \
+ "-around some lines\n" \
+ "-that will change\n" \
+ "-yes it is!\n" \
+ "-(this line is changed)\n" \
+ "-and this\n" \
+ "-is additional context\n" \
+ "-below it!\n"
+
+#define PATCH_RENAME_EXACT \
+ "diff --git a/file.txt b/newfile.txt\n" \
+ "similarity index 100%\n" \
+ "rename from file.txt\n" \
+ "rename to newfile.txt\n"
+
+#define PATCH_RENAME_SIMILAR \
+ "diff --git a/file.txt b/newfile.txt\n" \
+ "similarity index 77%\n" \
+ "rename from file.txt\n" \
+ "rename to newfile.txt\n" \
+ "index 9432026..cd8fd12 100644\n" \
+ "--- a/file.txt\n" \
+ "+++ b/newfile.txt\n" \
+ "@@ -3,7 +3,7 @@ this is some context!\n" \
+ " around some lines\n" \
+ " that will change\n" \
+ " yes it is!\n" \
+ "-(this line is changed)\n" \
+ "+(THIS line is changed!)\n" \
+ " and this\n" \
+ " is additional context\n" \
+ " below it!\n"
--- /dev/null
+#include "clar_libgit2.h"
+#include "git2/sys/repository.h"
+
+#include "apply.h"
+#include "repository.h"
+#include "buf_text.h"
+
+#include "apply_common.h"
+
+static git_repository *repo = NULL;
+
+void test_apply_fromdiff__initialize(void)
+{
+ repo = cl_git_sandbox_init("renames");
+}
+
+void test_apply_fromdiff__cleanup(void)
+{
+ cl_git_sandbox_cleanup();
+}
+
+static int apply_buf(
+ const char *old,
+ const char *oldname,
+ const char *new,
+ const char *newname,
+ const char *patch_expected,
+ const git_diff_options *diff_opts)
+{
+ git_patch *patch;
+ git_buf result = GIT_BUF_INIT;
+ git_buf patchbuf = GIT_BUF_INIT;
+ char *filename;
+ unsigned int mode;
+ int error;
+
+ cl_git_pass(git_patch_from_buffers(&patch,
+ old, old ? strlen(old) : 0, oldname,
+ new, new ? strlen(new) : 0, newname,
+ diff_opts));
+ cl_git_pass(git_patch_to_buf(&patchbuf, patch));
+
+ cl_assert_equal_s(patch_expected, patchbuf.ptr);
+
+ error = git_apply__patch(&result, &filename, &mode, old, old ? strlen(old) : 0, patch);
+
+ if (error == 0 && new == NULL) {
+ cl_assert_equal_i(0, result.size);
+ cl_assert_equal_p(NULL, filename);
+ cl_assert_equal_i(0, mode);
+ } else {
+ cl_assert_equal_s(new, result.ptr);
+ cl_assert_equal_s("file.txt", filename);
+ cl_assert_equal_i(0100644, mode);
+ }
+
+ git__free(filename);
+ git_buf_free(&result);
+ git_buf_free(&patchbuf);
+ git_patch_free(patch);
+
+ return error;
+}
+
+void test_apply_fromdiff__change_middle(void)
+{
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ FILE_CHANGE_MIDDLE, "file.txt",
+ PATCH_ORIGINAL_TO_CHANGE_MIDDLE, NULL));
+}
+
+void test_apply_fromdiff__change_middle_nocontext(void)
+{
+ git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
+ diff_opts.context_lines = 0;
+
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ FILE_CHANGE_MIDDLE, "file.txt",
+ PATCH_ORIGINAL_TO_CHANGE_MIDDLE_NOCONTEXT, &diff_opts));
+}
+
+void test_apply_fromdiff__change_firstline(void)
+{
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ FILE_CHANGE_FIRSTLINE, "file.txt",
+ PATCH_ORIGINAL_TO_CHANGE_FIRSTLINE, NULL));
+}
+
+void test_apply_fromdiff__lastline(void)
+{
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ FILE_CHANGE_LASTLINE, "file.txt",
+ PATCH_ORIGINAL_TO_CHANGE_LASTLINE, NULL));
+}
+
+void test_apply_fromdiff__prepend(void)
+{
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ FILE_PREPEND, "file.txt",
+ PATCH_ORIGINAL_TO_PREPEND, NULL));
+}
+
+void test_apply_fromdiff__prepend_nocontext(void)
+{
+ git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
+ diff_opts.context_lines = 0;
+
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ FILE_PREPEND, "file.txt",
+ PATCH_ORIGINAL_TO_PREPEND_NOCONTEXT, &diff_opts));
+}
+
+void test_apply_fromdiff__append(void)
+{
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ FILE_APPEND, "file.txt",
+ PATCH_ORIGINAL_TO_APPEND, NULL));
+}
+
+void test_apply_fromdiff__append_nocontext(void)
+{
+ git_diff_options diff_opts = GIT_DIFF_OPTIONS_INIT;
+ diff_opts.context_lines = 0;
+
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ FILE_APPEND, "file.txt",
+ PATCH_ORIGINAL_TO_APPEND_NOCONTEXT, &diff_opts));
+}
+
+void test_apply_fromdiff__prepend_and_append(void)
+{
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ FILE_PREPEND_AND_APPEND, "file.txt",
+ PATCH_ORIGINAL_TO_PREPEND_AND_APPEND, NULL));
+}
+
+void test_apply_fromdiff__to_empty_file(void)
+{
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ "", NULL,
+ PATCH_ORIGINAL_TO_EMPTY_FILE, NULL));
+}
+
+void test_apply_fromdiff__from_empty_file(void)
+{
+ cl_git_pass(apply_buf(
+ "", NULL,
+ FILE_ORIGINAL, "file.txt",
+ PATCH_EMPTY_FILE_TO_ORIGINAL, NULL));
+}
+
+void test_apply_fromdiff__add(void)
+{
+ cl_git_pass(apply_buf(
+ NULL, NULL,
+ FILE_ORIGINAL, "file.txt",
+ PATCH_ADD_ORIGINAL, NULL));
+}
+
+void test_apply_fromdiff__delete(void)
+{
+ cl_git_pass(apply_buf(
+ FILE_ORIGINAL, "file.txt",
+ NULL, NULL,
+ PATCH_DELETE_ORIGINAL, NULL));
+}