diff options
Diffstat (limited to 'src/apply.c')
-rw-r--r-- | src/apply.c | 898 |
1 files changed, 0 insertions, 898 deletions
diff --git a/src/apply.c b/src/apply.c deleted file mode 100644 index 7c65cd79d..000000000 --- a/src/apply.c +++ /dev/null @@ -1,898 +0,0 @@ -/* - * 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 "git2/apply.h" -#include "git2/patch.h" -#include "git2/filter.h" -#include "git2/blob.h" -#include "git2/index.h" -#include "git2/checkout.h" -#include "git2/repository.h" -#include "array.h" -#include "patch.h" -#include "futils.h" -#include "delta.h" -#include "zstream.h" -#include "reader.h" -#include "index.h" -#include "apply.h" - -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 int apply_err(const char *fmt, ...) GIT_FORMAT_PRINTF(1, 2); -static int apply_err(const char *fmt, ...) -{ - va_list ap; - - va_start(ap, fmt); - git_error_vset(GIT_ERROR_PATCH, fmt, ap); - va_end(ap); - - return GIT_EAPPLYFAIL; -} - -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; -} - -#define PATCH_IMAGE_INIT { GIT_POOL_INIT, GIT_VECTOR_INIT } - -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)); - - if (git_pool_init(&out->pool, sizeof(git_diff_line)) < 0) - return -1; - - if (!in_len) - return 0; - - for (start = in; start < in + in_len; start = end) { - end = memchr(start, '\n', in_len - (start - in)); - - if (end == NULL) - end = in + in_len; - - else if (end < in + in_len) - end++; - - line = git_pool_mallocz(&out->pool, 1); - GIT_ERROR_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 != image_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, - size_t 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_insert_null( - &image->lines, linenum, (postlen - prelen)); - else if (prelen > postlen) - error = git_vector_remove_range( - &image->lines, linenum, (prelen - postlen)); - - if (error) { - git_error_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; -} - -typedef struct { - git_apply_options opts; - size_t skipped_new_lines; - size_t skipped_old_lines; -} apply_hunks_ctx; - -static int apply_hunk( - patch_image *image, - git_patch *patch, - git_patch_hunk *hunk, - apply_hunks_ctx *ctx) -{ - patch_image preimage = PATCH_IMAGE_INIT, postimage = PATCH_IMAGE_INIT; - size_t line_num, i; - int error = 0; - - if (ctx->opts.hunk_cb) { - error = ctx->opts.hunk_cb(&hunk->hunk, ctx->opts.payload); - - if (error) { - if (error > 0) { - ctx->skipped_new_lines += hunk->hunk.new_lines; - ctx->skipped_old_lines += hunk->hunk.old_lines; - error = 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), *prev; - - if (!line) { - error = apply_err("preimage does not contain line %"PRIuZ, linenum); - goto done; - } - - switch (line->origin) { - case GIT_DIFF_LINE_CONTEXT_EOFNL: - case GIT_DIFF_LINE_DEL_EOFNL: - case GIT_DIFF_LINE_ADD_EOFNL: - prev = i ? git_array_get(patch->lines, linenum - 1) : NULL; - if (prev && prev->content[prev->content_len - 1] == '\n') - prev->content_len -= 1; - break; - case GIT_DIFF_LINE_CONTEXT: - if ((error = git_vector_insert(&preimage.lines, line)) < 0 || - (error = git_vector_insert(&postimage.lines, line)) < 0) - goto done; - break; - case GIT_DIFF_LINE_DELETION: - if ((error = git_vector_insert(&preimage.lines, line)) < 0) - goto done; - break; - case GIT_DIFF_LINE_ADDITION: - if ((error = git_vector_insert(&postimage.lines, line)) < 0) - goto done; - break; - } - } - - if (hunk->hunk.new_start) { - line_num = hunk->hunk.new_start - - ctx->skipped_new_lines + - ctx->skipped_old_lines - - 1; - } else { - line_num = 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, - apply_hunks_ctx *ctx) -{ - git_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, ctx)) < 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; -} - -static int apply_binary_delta( - git_buf *out, - const char *source, - size_t source_len, - git_diff_binary_file *binary_file) -{ - git_buf inflated = GIT_BUF_INIT; - int error = 0; - - /* no diff means identical contents */ - if (binary_file->datalen == 0) - return git_buf_put(out, source, source_len); - - error = git_zstream_inflatebuf(&inflated, - binary_file->data, binary_file->datalen); - - if (!error && inflated.size != binary_file->inflatedlen) { - error = apply_err("inflated delta does not match expected length"); - git_buf_dispose(out); - } - - if (error < 0) - goto done; - - if (binary_file->type == GIT_DIFF_BINARY_DELTA) { - void *data; - size_t data_len; - - error = git_delta_apply(&data, &data_len, (void *)source, source_len, - (void *)inflated.ptr, inflated.size); - - out->ptr = data; - out->size = data_len; - out->asize = data_len; - } - else if (binary_file->type == GIT_DIFF_BINARY_LITERAL) { - git_buf_swap(out, &inflated); - } - else { - error = apply_err("unknown binary delta type"); - goto done; - } - -done: - git_buf_dispose(&inflated); - return error; -} - -static int apply_binary( - git_buf *out, - const char *source, - size_t source_len, - git_patch *patch) -{ - git_buf reverse = GIT_BUF_INIT; - int error = 0; - - if (!patch->binary.contains_data) { - error = apply_err("patch does not contain binary data"); - goto done; - } - - if (!patch->binary.old_file.datalen && !patch->binary.new_file.datalen) - goto done; - - /* first, apply the new_file delta to the given source */ - if ((error = apply_binary_delta(out, source, source_len, - &patch->binary.new_file)) < 0) - goto done; - - /* second, apply the old_file delta to sanity check the result */ - if ((error = apply_binary_delta(&reverse, out->ptr, out->size, - &patch->binary.old_file)) < 0) - goto done; - - /* Verify that the resulting file with the reverse patch applied matches the source file */ - if (source_len != reverse.size || - (source_len && memcmp(source, reverse.ptr, source_len) != 0)) { - error = apply_err("binary patch did not apply cleanly"); - goto done; - } - -done: - if (error < 0) - git_buf_dispose(out); - - git_buf_dispose(&reverse); - 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, - const git_apply_options *given_opts) -{ - apply_hunks_ctx ctx = { GIT_APPLY_OPTIONS_INIT }; - char *filename = NULL; - unsigned int mode = 0; - int error = 0; - - GIT_ASSERT_ARG(contents_out); - GIT_ASSERT_ARG(filename_out); - GIT_ASSERT_ARG(mode_out); - GIT_ASSERT_ARG(source || !source_len); - GIT_ASSERT_ARG(patch); - - if (given_opts) - memcpy(&ctx.opts, given_opts, sizeof(git_apply_options)); - - *filename_out = NULL; - *mode_out = 0; - - if (patch->delta->status != GIT_DELTA_DELETED) { - const git_diff_file *newfile = &patch->delta->new_file; - - filename = git__strdup(newfile->path); - mode = newfile->mode ? - newfile->mode : GIT_FILEMODE_BLOB; - } - - if (patch->delta->flags & GIT_DIFF_FLAG_BINARY) - error = apply_binary(contents_out, source, source_len, patch); - else if (patch->hunks.size) - error = apply_hunks(contents_out, source, source_len, patch, &ctx); - else - error = git_buf_put(contents_out, source, source_len); - - if (error) - 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; -} - -static int apply_one( - git_repository *repo, - git_reader *preimage_reader, - git_index *preimage, - git_reader *postimage_reader, - git_index *postimage, - git_diff *diff, - git_strmap *removed_paths, - size_t i, - const git_apply_options *opts) -{ - git_patch *patch = NULL; - git_buf pre_contents = GIT_BUF_INIT, post_contents = GIT_BUF_INIT; - const git_diff_delta *delta; - char *filename = NULL; - unsigned int mode; - git_oid pre_id, post_id; - git_filemode_t pre_filemode; - git_index_entry pre_entry, post_entry; - bool skip_preimage = false; - int error; - - if ((error = git_patch_from_diff(&patch, diff, i)) < 0) - goto done; - - delta = git_patch_get_delta(patch); - - if (opts->delta_cb) { - error = opts->delta_cb(delta, opts->payload); - - if (error) { - if (error > 0) - error = 0; - - goto done; - } - } - - /* - * Ensure that the file has not been deleted or renamed if we're - * applying a modification delta. - */ - if (delta->status != GIT_DELTA_RENAMED && - delta->status != GIT_DELTA_ADDED) { - if (git_strmap_exists(removed_paths, delta->old_file.path)) { - error = apply_err("path '%s' has been renamed or deleted", delta->old_file.path); - goto done; - } - } - - /* - * We may be applying a second delta to an already seen file. If so, - * use the already modified data in the postimage instead of the - * content from the index or working directory. (Don't do this in - * the case of a rename, which must be specified before additional - * deltas since we apply deltas to the target filename.) - */ - if (delta->status != GIT_DELTA_RENAMED) { - if ((error = git_reader_read(&pre_contents, &pre_id, &pre_filemode, - postimage_reader, delta->old_file.path)) == 0) { - skip_preimage = true; - } else if (error == GIT_ENOTFOUND) { - git_error_clear(); - error = 0; - } else { - goto done; - } - } - - if (!skip_preimage && delta->status != GIT_DELTA_ADDED) { - error = git_reader_read(&pre_contents, &pre_id, &pre_filemode, - preimage_reader, delta->old_file.path); - - /* ENOTFOUND means the preimage was not found; apply failed. */ - if (error == GIT_ENOTFOUND) - error = GIT_EAPPLYFAIL; - - /* When applying to BOTH, the index did not match the workdir. */ - if (error == GIT_READER_MISMATCH) - error = apply_err("%s: does not match index", delta->old_file.path); - - if (error < 0) - goto done; - - /* - * We need to populate the preimage data structure with the - * contents that we are using as the preimage for this file. - * This allows us to apply patches to files that have been - * modified in the working directory. During checkout, - * we will use this expected preimage as the baseline, and - * limit checkout to only the paths affected by patch - * application. (Without this, we would fail to write the - * postimage contents to any file that had been modified - * from HEAD on-disk, even if the patch application succeeded.) - * Use the contents from the delta where available - some - * fields may not be available, like the old file mode (eg in - * an exact rename situation) so trust the patch parsing to - * validate and use the preimage data in that case. - */ - if (preimage) { - memset(&pre_entry, 0, sizeof(git_index_entry)); - pre_entry.path = delta->old_file.path; - pre_entry.mode = delta->old_file.mode ? delta->old_file.mode : pre_filemode; - git_oid_cpy(&pre_entry.id, &pre_id); - - if ((error = git_index_add(preimage, &pre_entry)) < 0) - goto done; - } - } - - if (delta->status != GIT_DELTA_DELETED) { - if ((error = git_apply__patch(&post_contents, &filename, &mode, - pre_contents.ptr, pre_contents.size, patch, opts)) < 0 || - (error = git_blob_create_from_buffer(&post_id, repo, - post_contents.ptr, post_contents.size)) < 0) - goto done; - - memset(&post_entry, 0, sizeof(git_index_entry)); - post_entry.path = filename; - post_entry.mode = mode; - git_oid_cpy(&post_entry.id, &post_id); - - if ((error = git_index_add(postimage, &post_entry)) < 0) - goto done; - } - - if (delta->status == GIT_DELTA_RENAMED || - delta->status == GIT_DELTA_DELETED) - error = git_strmap_set(removed_paths, delta->old_file.path, (char *) delta->old_file.path); - - if (delta->status == GIT_DELTA_RENAMED || - delta->status == GIT_DELTA_ADDED) - git_strmap_delete(removed_paths, delta->new_file.path); - -done: - git_buf_dispose(&pre_contents); - git_buf_dispose(&post_contents); - git__free(filename); - git_patch_free(patch); - - return error; -} - -static int apply_deltas( - git_repository *repo, - git_reader *pre_reader, - git_index *preimage, - git_reader *post_reader, - git_index *postimage, - git_diff *diff, - const git_apply_options *opts) -{ - git_strmap *removed_paths; - size_t i; - int error = 0; - - if (git_strmap_new(&removed_paths) < 0) - return -1; - - for (i = 0; i < git_diff_num_deltas(diff); i++) { - if ((error = apply_one(repo, pre_reader, preimage, post_reader, postimage, diff, removed_paths, i, opts)) < 0) - goto done; - } - -done: - git_strmap_free(removed_paths); - return error; -} - -int git_apply_to_tree( - git_index **out, - git_repository *repo, - git_tree *preimage, - git_diff *diff, - const git_apply_options *given_opts) -{ - git_index *postimage = NULL; - git_reader *pre_reader = NULL, *post_reader = NULL; - git_apply_options opts = GIT_APPLY_OPTIONS_INIT; - const git_diff_delta *delta; - size_t i; - int error = 0; - - GIT_ASSERT_ARG(out); - GIT_ASSERT_ARG(repo); - GIT_ASSERT_ARG(preimage); - GIT_ASSERT_ARG(diff); - - *out = NULL; - - if (given_opts) - memcpy(&opts, given_opts, sizeof(git_apply_options)); - - if ((error = git_reader_for_tree(&pre_reader, preimage)) < 0) - goto done; - - /* - * put the current tree into the postimage as-is - the diff will - * replace any entries contained therein - */ - if ((error = git_index_new(&postimage)) < 0 || - (error = git_index_read_tree(postimage, preimage)) < 0 || - (error = git_reader_for_index(&post_reader, repo, postimage)) < 0) - goto done; - - /* - * Remove the old paths from the index before applying diffs - - * we need to do a full pass to remove them before adding deltas, - * in order to handle rename situations. - */ - for (i = 0; i < git_diff_num_deltas(diff); i++) { - delta = git_diff_get_delta(diff, i); - - if (delta->status == GIT_DELTA_DELETED || - delta->status == GIT_DELTA_RENAMED) { - if ((error = git_index_remove(postimage, - delta->old_file.path, 0)) < 0) - goto done; - } - } - - if ((error = apply_deltas(repo, pre_reader, NULL, post_reader, postimage, diff, &opts)) < 0) - goto done; - - *out = postimage; - -done: - if (error < 0) - git_index_free(postimage); - - git_reader_free(pre_reader); - git_reader_free(post_reader); - - return error; -} - -static int git_apply__to_workdir( - git_repository *repo, - git_diff *diff, - git_index *preimage, - git_index *postimage, - git_apply_location_t location, - git_apply_options *opts) -{ - git_vector paths = GIT_VECTOR_INIT; - git_checkout_options checkout_opts = GIT_CHECKOUT_OPTIONS_INIT; - const git_diff_delta *delta; - size_t i; - int error; - - GIT_UNUSED(opts); - - /* - * Limit checkout to the paths affected by the diff; this ensures - * that other modifications in the working directory are unaffected. - */ - if ((error = git_vector_init(&paths, git_diff_num_deltas(diff), NULL)) < 0) - goto done; - - for (i = 0; i < git_diff_num_deltas(diff); i++) { - delta = git_diff_get_delta(diff, i); - - if ((error = git_vector_insert(&paths, (void *)delta->old_file.path)) < 0) - goto done; - - if (strcmp(delta->old_file.path, delta->new_file.path) && - (error = git_vector_insert(&paths, (void *)delta->new_file.path)) < 0) - goto done; - } - - checkout_opts.checkout_strategy |= GIT_CHECKOUT_SAFE; - checkout_opts.checkout_strategy |= GIT_CHECKOUT_DISABLE_PATHSPEC_MATCH; - checkout_opts.checkout_strategy |= GIT_CHECKOUT_DONT_WRITE_INDEX; - - if (location == GIT_APPLY_LOCATION_WORKDIR) - checkout_opts.checkout_strategy |= GIT_CHECKOUT_DONT_UPDATE_INDEX; - - checkout_opts.paths.strings = (char **)paths.contents; - checkout_opts.paths.count = paths.length; - - checkout_opts.baseline_index = preimage; - - error = git_checkout_index(repo, postimage, &checkout_opts); - -done: - git_vector_free(&paths); - return error; -} - -static int git_apply__to_index( - git_repository *repo, - git_diff *diff, - git_index *preimage, - git_index *postimage, - git_apply_options *opts) -{ - git_index *index = NULL; - const git_diff_delta *delta; - const git_index_entry *entry; - size_t i; - int error; - - GIT_UNUSED(preimage); - GIT_UNUSED(opts); - - if ((error = git_repository_index(&index, repo)) < 0) - goto done; - - /* Remove deleted (or renamed) paths from the index. */ - for (i = 0; i < git_diff_num_deltas(diff); i++) { - delta = git_diff_get_delta(diff, i); - - if (delta->status == GIT_DELTA_DELETED || - delta->status == GIT_DELTA_RENAMED) { - if ((error = git_index_remove(index, delta->old_file.path, 0)) < 0) - goto done; - } - } - - /* Then add the changes back to the index. */ - for (i = 0; i < git_index_entrycount(postimage); i++) { - entry = git_index_get_byindex(postimage, i); - - if ((error = git_index_add(index, entry)) < 0) - goto done; - } - -done: - git_index_free(index); - return error; -} - -int git_apply_options_init(git_apply_options *opts, unsigned int version) -{ - GIT_ASSERT_ARG(opts); - - GIT_INIT_STRUCTURE_FROM_TEMPLATE( - opts, version, git_apply_options, GIT_APPLY_OPTIONS_INIT); - return 0; -} - -/* - * Handle the three application options ("locations"): - * - * GIT_APPLY_LOCATION_WORKDIR: the default, emulates `git apply`. - * Applies the diff only to the workdir items and ignores the index - * entirely. - * - * GIT_APPLY_LOCATION_INDEX: emulates `git apply --cached`. - * Applies the diff only to the index items and ignores the workdir - * completely. - * - * GIT_APPLY_LOCATION_BOTH: emulates `git apply --index`. - * Applies the diff to both the index items and the working directory - * items. - */ - -int git_apply( - git_repository *repo, - git_diff *diff, - git_apply_location_t location, - const git_apply_options *given_opts) -{ - git_indexwriter indexwriter = GIT_INDEXWRITER_INIT; - git_index *index = NULL, *preimage = NULL, *postimage = NULL; - git_reader *pre_reader = NULL, *post_reader = NULL; - git_apply_options opts = GIT_APPLY_OPTIONS_INIT; - int error = GIT_EINVALID; - - GIT_ASSERT_ARG(repo); - GIT_ASSERT_ARG(diff); - - GIT_ERROR_CHECK_VERSION( - given_opts, GIT_APPLY_OPTIONS_VERSION, "git_apply_options"); - - if (given_opts) - memcpy(&opts, given_opts, sizeof(git_apply_options)); - - /* - * by default, we apply a patch directly to the working directory; - * in `--cached` or `--index` mode, we apply to the contents already - * in the index. - */ - switch (location) { - case GIT_APPLY_LOCATION_BOTH: - error = git_reader_for_workdir(&pre_reader, repo, true); - break; - case GIT_APPLY_LOCATION_INDEX: - error = git_reader_for_index(&pre_reader, repo, NULL); - break; - case GIT_APPLY_LOCATION_WORKDIR: - error = git_reader_for_workdir(&pre_reader, repo, false); - break; - default: - GIT_ASSERT(false); - } - - if (error < 0) - goto done; - - /* - * Build the preimage and postimage (differences). Note that - * this is not the complete preimage or postimage, it only - * contains the files affected by the patch. We want to avoid - * having the full repo index, so we will limit our checkout - * to only write these files that were affected by the diff. - */ - if ((error = git_index_new(&preimage)) < 0 || - (error = git_index_new(&postimage)) < 0 || - (error = git_reader_for_index(&post_reader, repo, postimage)) < 0) - goto done; - - if (!(opts.flags & GIT_APPLY_CHECK)) - if ((error = git_repository_index(&index, repo)) < 0 || - (error = git_indexwriter_init(&indexwriter, index)) < 0) - goto done; - - if ((error = apply_deltas(repo, pre_reader, preimage, post_reader, postimage, diff, &opts)) < 0) - goto done; - - if ((opts.flags & GIT_APPLY_CHECK)) - goto done; - - switch (location) { - case GIT_APPLY_LOCATION_BOTH: - error = git_apply__to_workdir(repo, diff, preimage, postimage, location, &opts); - break; - case GIT_APPLY_LOCATION_INDEX: - error = git_apply__to_index(repo, diff, preimage, postimage, &opts); - break; - case GIT_APPLY_LOCATION_WORKDIR: - error = git_apply__to_workdir(repo, diff, preimage, postimage, location, &opts); - break; - default: - GIT_ASSERT(false); - } - - if (error < 0) - goto done; - - error = git_indexwriter_commit(&indexwriter); - -done: - git_indexwriter_cleanup(&indexwriter); - git_index_free(postimage); - git_index_free(preimage); - git_index_free(index); - git_reader_free(pre_reader); - git_reader_free(post_reader); - - return error; -} |