diff options
Diffstat (limited to 'src/diff_print.c')
| -rw-r--r-- | src/diff_print.c | 818 |
1 files changed, 0 insertions, 818 deletions
diff --git a/src/diff_print.c b/src/diff_print.c deleted file mode 100644 index 062e267b0..000000000 --- a/src/diff_print.c +++ /dev/null @@ -1,818 +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 "common.h" - -#include "diff.h" -#include "diff_file.h" -#include "patch_generate.h" -#include "futils.h" -#include "zstream.h" -#include "blob.h" -#include "delta.h" -#include "git2/sys/diff.h" - -typedef struct { - git_diff_format_t format; - git_diff_line_cb print_cb; - void *payload; - - git_buf *buf; - git_diff_line line; - - const char *old_prefix; - const char *new_prefix; - uint32_t flags; - int id_strlen; - - int (*strcomp)(const char *, const char *); -} diff_print_info; - -static int diff_print_info_init__common( - diff_print_info *pi, - git_buf *out, - git_repository *repo, - git_diff_format_t format, - git_diff_line_cb cb, - void *payload) -{ - pi->format = format; - pi->print_cb = cb; - pi->payload = payload; - pi->buf = out; - - if (!pi->id_strlen) { - if (!repo) - pi->id_strlen = GIT_ABBREV_DEFAULT; - else if (git_repository__configmap_lookup(&pi->id_strlen, repo, GIT_CONFIGMAP_ABBREV) < 0) - return -1; - } - - if (pi->id_strlen > GIT_OID_HEXSZ) - pi->id_strlen = GIT_OID_HEXSZ; - - memset(&pi->line, 0, sizeof(pi->line)); - pi->line.old_lineno = -1; - pi->line.new_lineno = -1; - pi->line.num_lines = 1; - - return 0; -} - -static int diff_print_info_init_fromdiff( - diff_print_info *pi, - git_buf *out, - git_diff *diff, - git_diff_format_t format, - git_diff_line_cb cb, - void *payload) -{ - git_repository *repo = diff ? diff->repo : NULL; - - memset(pi, 0, sizeof(diff_print_info)); - - if (diff) { - pi->flags = diff->opts.flags; - pi->id_strlen = diff->opts.id_abbrev; - pi->old_prefix = diff->opts.old_prefix; - pi->new_prefix = diff->opts.new_prefix; - - pi->strcomp = diff->strcomp; - } - - return diff_print_info_init__common(pi, out, repo, format, cb, payload); -} - -static int diff_print_info_init_frompatch( - diff_print_info *pi, - git_buf *out, - git_patch *patch, - git_diff_format_t format, - git_diff_line_cb cb, - void *payload) -{ - GIT_ASSERT_ARG(patch); - - memset(pi, 0, sizeof(diff_print_info)); - - pi->flags = patch->diff_opts.flags; - pi->id_strlen = patch->diff_opts.id_abbrev; - pi->old_prefix = patch->diff_opts.old_prefix; - pi->new_prefix = patch->diff_opts.new_prefix; - - return diff_print_info_init__common(pi, out, patch->repo, format, cb, payload); -} - -static char diff_pick_suffix(int mode) -{ - if (S_ISDIR(mode)) - return '/'; - else if (GIT_PERMS_IS_EXEC(mode)) /* -V536 */ - /* in git, modes are very regular, so we must have 0100755 mode */ - return '*'; - else - return ' '; -} - -char git_diff_status_char(git_delta_t status) -{ - char code; - - switch (status) { - case GIT_DELTA_ADDED: code = 'A'; break; - case GIT_DELTA_DELETED: code = 'D'; break; - case GIT_DELTA_MODIFIED: code = 'M'; break; - case GIT_DELTA_RENAMED: code = 'R'; break; - case GIT_DELTA_COPIED: code = 'C'; break; - case GIT_DELTA_IGNORED: code = 'I'; break; - case GIT_DELTA_UNTRACKED: code = '?'; break; - case GIT_DELTA_TYPECHANGE: code = 'T'; break; - case GIT_DELTA_UNREADABLE: code = 'X'; break; - default: code = ' '; break; - } - - return code; -} - -static int diff_print_one_name_only( - const git_diff_delta *delta, float progress, void *data) -{ - diff_print_info *pi = data; - git_buf *out = pi->buf; - - GIT_UNUSED(progress); - - if ((pi->flags & GIT_DIFF_SHOW_UNMODIFIED) == 0 && - delta->status == GIT_DELTA_UNMODIFIED) - return 0; - - git_buf_clear(out); - git_buf_puts(out, delta->new_file.path); - git_buf_putc(out, '\n'); - if (git_buf_oom(out)) - return -1; - - pi->line.origin = GIT_DIFF_LINE_FILE_HDR; - pi->line.content = git_buf_cstr(out); - pi->line.content_len = git_buf_len(out); - - return pi->print_cb(delta, NULL, &pi->line, pi->payload); -} - -static int diff_print_one_name_status( - const git_diff_delta *delta, float progress, void *data) -{ - diff_print_info *pi = data; - git_buf *out = pi->buf; - char old_suffix, new_suffix, code = git_diff_status_char(delta->status); - int(*strcomp)(const char *, const char *) = pi->strcomp ? - pi->strcomp : git__strcmp; - - GIT_UNUSED(progress); - - if ((pi->flags & GIT_DIFF_SHOW_UNMODIFIED) == 0 && code == ' ') - return 0; - - old_suffix = diff_pick_suffix(delta->old_file.mode); - new_suffix = diff_pick_suffix(delta->new_file.mode); - - git_buf_clear(out); - - if (delta->old_file.path != delta->new_file.path && - strcomp(delta->old_file.path,delta->new_file.path) != 0) - git_buf_printf(out, "%c\t%s%c %s%c\n", code, - delta->old_file.path, old_suffix, delta->new_file.path, new_suffix); - else if (delta->old_file.mode != delta->new_file.mode && - delta->old_file.mode != 0 && delta->new_file.mode != 0) - git_buf_printf(out, "%c\t%s%c %s%c\n", code, - delta->old_file.path, old_suffix, delta->new_file.path, new_suffix); - else if (old_suffix != ' ') - git_buf_printf(out, "%c\t%s%c\n", code, delta->old_file.path, old_suffix); - else - git_buf_printf(out, "%c\t%s\n", code, delta->old_file.path); - if (git_buf_oom(out)) - return -1; - - pi->line.origin = GIT_DIFF_LINE_FILE_HDR; - pi->line.content = git_buf_cstr(out); - pi->line.content_len = git_buf_len(out); - - return pi->print_cb(delta, NULL, &pi->line, pi->payload); -} - -static int diff_print_one_raw( - const git_diff_delta *delta, float progress, void *data) -{ - diff_print_info *pi = data; - git_buf *out = pi->buf; - int id_abbrev; - char code = git_diff_status_char(delta->status); - char start_oid[GIT_OID_HEXSZ+1], end_oid[GIT_OID_HEXSZ+1]; - - GIT_UNUSED(progress); - - if ((pi->flags & GIT_DIFF_SHOW_UNMODIFIED) == 0 && code == ' ') - return 0; - - git_buf_clear(out); - - id_abbrev = delta->old_file.mode ? delta->old_file.id_abbrev : - delta->new_file.id_abbrev; - - if (pi->id_strlen > id_abbrev) { - git_error_set(GIT_ERROR_PATCH, - "the patch input contains %d id characters (cannot print %d)", - id_abbrev, pi->id_strlen); - return -1; - } - - git_oid_tostr(start_oid, pi->id_strlen + 1, &delta->old_file.id); - git_oid_tostr(end_oid, pi->id_strlen + 1, &delta->new_file.id); - - git_buf_printf( - out, (pi->id_strlen <= GIT_OID_HEXSZ) ? - ":%06o %06o %s... %s... %c" : ":%06o %06o %s %s %c", - delta->old_file.mode, delta->new_file.mode, start_oid, end_oid, code); - - if (delta->similarity > 0) - git_buf_printf(out, "%03u", delta->similarity); - - if (delta->old_file.path != delta->new_file.path) - git_buf_printf( - out, "\t%s %s\n", delta->old_file.path, delta->new_file.path); - else - git_buf_printf( - out, "\t%s\n", delta->old_file.path ? - delta->old_file.path : delta->new_file.path); - - if (git_buf_oom(out)) - return -1; - - pi->line.origin = GIT_DIFF_LINE_FILE_HDR; - pi->line.content = git_buf_cstr(out); - pi->line.content_len = git_buf_len(out); - - return pi->print_cb(delta, NULL, &pi->line, pi->payload); -} - -static int diff_print_modes( - git_buf *out, const git_diff_delta *delta) -{ - git_buf_printf(out, "old mode %o\n", delta->old_file.mode); - git_buf_printf(out, "new mode %o\n", delta->new_file.mode); - - return git_buf_oom(out) ? -1 : 0; -} - -static int diff_print_oid_range( - git_buf *out, const git_diff_delta *delta, int id_strlen, - bool print_index) -{ - char start_oid[GIT_OID_HEXSZ+1], end_oid[GIT_OID_HEXSZ+1]; - - if (delta->old_file.mode && - id_strlen > delta->old_file.id_abbrev) { - git_error_set(GIT_ERROR_PATCH, - "the patch input contains %d id characters (cannot print %d)", - delta->old_file.id_abbrev, id_strlen); - return -1; - } - - if ((delta->new_file.mode && - id_strlen > delta->new_file.id_abbrev)) { - git_error_set(GIT_ERROR_PATCH, - "the patch input contains %d id characters (cannot print %d)", - delta->new_file.id_abbrev, id_strlen); - return -1; - } - - git_oid_tostr(start_oid, id_strlen + 1, &delta->old_file.id); - git_oid_tostr(end_oid, id_strlen + 1, &delta->new_file.id); - - if (delta->old_file.mode == delta->new_file.mode) { - if (print_index) - git_buf_printf(out, "index %s..%s %o\n", - start_oid, end_oid, delta->old_file.mode); - } else { - if (delta->old_file.mode == 0) - git_buf_printf(out, "new file mode %o\n", delta->new_file.mode); - else if (delta->new_file.mode == 0) - git_buf_printf(out, "deleted file mode %o\n", delta->old_file.mode); - else - diff_print_modes(out, delta); - - if (print_index) - git_buf_printf(out, "index %s..%s\n", start_oid, end_oid); - } - - return git_buf_oom(out) ? -1 : 0; -} - -static int diff_delta_format_path( - git_buf *out, const char *prefix, const char *filename) -{ - if (git_buf_joinpath(out, prefix, filename) < 0) - return -1; - - return git_buf_quote(out); -} - -static int diff_delta_format_with_paths( - git_buf *out, - const git_diff_delta *delta, - const char *template, - const char *oldpath, - const char *newpath) -{ - if (git_oid_is_zero(&delta->old_file.id)) - oldpath = "/dev/null"; - - if (git_oid_is_zero(&delta->new_file.id)) - newpath = "/dev/null"; - - return git_buf_printf(out, template, oldpath, newpath); -} - -static int diff_delta_format_similarity_header( - git_buf *out, - const git_diff_delta *delta) -{ - git_buf old_path = GIT_BUF_INIT, new_path = GIT_BUF_INIT; - const char *type; - int error = 0; - - if (delta->similarity > 100) { - git_error_set(GIT_ERROR_PATCH, "invalid similarity %d", delta->similarity); - error = -1; - goto done; - } - - GIT_ASSERT(delta->status == GIT_DELTA_RENAMED || delta->status == GIT_DELTA_COPIED); - if (delta->status == GIT_DELTA_RENAMED) - type = "rename"; - else - type = "copy"; - - if ((error = git_buf_puts(&old_path, delta->old_file.path)) < 0 || - (error = git_buf_puts(&new_path, delta->new_file.path)) < 0 || - (error = git_buf_quote(&old_path)) < 0 || - (error = git_buf_quote(&new_path)) < 0) - goto done; - - git_buf_printf(out, - "similarity index %d%%\n" - "%s from %s\n" - "%s to %s\n", - delta->similarity, - type, old_path.ptr, - type, new_path.ptr); - - if (git_buf_oom(out)) - error = -1; - -done: - git_buf_dispose(&old_path); - git_buf_dispose(&new_path); - - return error; -} - -static bool delta_is_unchanged(const git_diff_delta *delta) -{ - if (git_oid_is_zero(&delta->old_file.id) && - git_oid_is_zero(&delta->new_file.id)) - return true; - - if (delta->old_file.mode == GIT_FILEMODE_COMMIT || - delta->new_file.mode == GIT_FILEMODE_COMMIT) - return false; - - if (git_oid_equal(&delta->old_file.id, &delta->new_file.id)) - return true; - - return false; -} - -int git_diff_delta__format_file_header( - git_buf *out, - const git_diff_delta *delta, - const char *oldpfx, - const char *newpfx, - int id_strlen, - bool print_index) -{ - git_buf old_path = GIT_BUF_INIT, new_path = GIT_BUF_INIT; - bool unchanged = delta_is_unchanged(delta); - int error = 0; - - if (!oldpfx) - oldpfx = DIFF_OLD_PREFIX_DEFAULT; - if (!newpfx) - newpfx = DIFF_NEW_PREFIX_DEFAULT; - if (!id_strlen) - id_strlen = GIT_ABBREV_DEFAULT; - - if ((error = diff_delta_format_path( - &old_path, oldpfx, delta->old_file.path)) < 0 || - (error = diff_delta_format_path( - &new_path, newpfx, delta->new_file.path)) < 0) - goto done; - - git_buf_clear(out); - - git_buf_printf(out, "diff --git %s %s\n", - old_path.ptr, new_path.ptr); - - if (unchanged && delta->old_file.mode != delta->new_file.mode) - diff_print_modes(out, delta); - - if (delta->status == GIT_DELTA_RENAMED || - (delta->status == GIT_DELTA_COPIED && unchanged)) { - if ((error = diff_delta_format_similarity_header(out, delta)) < 0) - goto done; - } - - if (!unchanged) { - if ((error = diff_print_oid_range(out, delta, - id_strlen, print_index)) < 0) - goto done; - - if ((delta->flags & GIT_DIFF_FLAG_BINARY) == 0) - diff_delta_format_with_paths(out, delta, - "--- %s\n+++ %s\n", old_path.ptr, new_path.ptr); - } - - if (git_buf_oom(out)) - error = -1; - -done: - git_buf_dispose(&old_path); - git_buf_dispose(&new_path); - - return error; -} - -static int format_binary( - diff_print_info *pi, - git_diff_binary_t type, - const char *data, - size_t datalen, - size_t inflatedlen) -{ - const char *typename = type == GIT_DIFF_BINARY_DELTA ? - "delta" : "literal"; - const char *scan, *end; - - git_buf_printf(pi->buf, "%s %" PRIuZ "\n", typename, inflatedlen); - pi->line.num_lines++; - - for (scan = data, end = data + datalen; scan < end; ) { - size_t chunk_len = end - scan; - if (chunk_len > 52) - chunk_len = 52; - - if (chunk_len <= 26) - git_buf_putc(pi->buf, (char)chunk_len + 'A' - 1); - else - git_buf_putc(pi->buf, (char)chunk_len - 26 + 'a' - 1); - - git_buf_encode_base85(pi->buf, scan, chunk_len); - git_buf_putc(pi->buf, '\n'); - - if (git_buf_oom(pi->buf)) - return -1; - - scan += chunk_len; - pi->line.num_lines++; - } - git_buf_putc(pi->buf, '\n'); - - if (git_buf_oom(pi->buf)) - return -1; - - return 0; -} - -static int diff_print_patch_file_binary_noshow( - diff_print_info *pi, git_diff_delta *delta, - const char *old_pfx, const char *new_pfx) -{ - git_buf old_path = GIT_BUF_INIT, new_path = GIT_BUF_INIT; - int error; - - if ((error = diff_delta_format_path(&old_path, old_pfx, delta->old_file.path)) < 0 || - (error = diff_delta_format_path(&new_path, new_pfx, delta->new_file.path)) < 0 || - (error = diff_delta_format_with_paths(pi->buf, delta, "Binary files %s and %s differ\n", - old_path.ptr, new_path.ptr)) < 0) - goto done; - - pi->line.num_lines = 1; - -done: - git_buf_dispose(&old_path); - git_buf_dispose(&new_path); - return error; -} - -static int diff_print_patch_file_binary( - diff_print_info *pi, git_diff_delta *delta, - const char *old_pfx, const char *new_pfx, - const git_diff_binary *binary) -{ - size_t pre_binary_size; - int error; - - if (delta->status == GIT_DELTA_UNMODIFIED) - return 0; - - if ((pi->flags & GIT_DIFF_SHOW_BINARY) == 0 || !binary->contains_data) - return diff_print_patch_file_binary_noshow( - pi, delta, old_pfx, new_pfx); - - pre_binary_size = pi->buf->size; - git_buf_printf(pi->buf, "GIT binary patch\n"); - pi->line.num_lines++; - - if ((error = format_binary(pi, binary->new_file.type, binary->new_file.data, - binary->new_file.datalen, binary->new_file.inflatedlen)) < 0 || - (error = format_binary(pi, binary->old_file.type, binary->old_file.data, - binary->old_file.datalen, binary->old_file.inflatedlen)) < 0) { - if (error == GIT_EBUFS) { - git_error_clear(); - git_buf_truncate(pi->buf, pre_binary_size); - - return diff_print_patch_file_binary_noshow( - pi, delta, old_pfx, new_pfx); - } - } - - pi->line.num_lines++; - return error; -} - -static int diff_print_patch_file( - const git_diff_delta *delta, float progress, void *data) -{ - int error; - diff_print_info *pi = data; - const char *oldpfx = - pi->old_prefix ? pi->old_prefix : DIFF_OLD_PREFIX_DEFAULT; - const char *newpfx = - pi->new_prefix ? pi->new_prefix : DIFF_NEW_PREFIX_DEFAULT; - - bool binary = (delta->flags & GIT_DIFF_FLAG_BINARY) || - (pi->flags & GIT_DIFF_FORCE_BINARY); - bool show_binary = !!(pi->flags & GIT_DIFF_SHOW_BINARY); - int id_strlen = pi->id_strlen; - bool print_index = (pi->format != GIT_DIFF_FORMAT_PATCH_ID); - - if (binary && show_binary) - id_strlen = delta->old_file.id_abbrev ? delta->old_file.id_abbrev : - delta->new_file.id_abbrev; - - GIT_UNUSED(progress); - - if (S_ISDIR(delta->new_file.mode) || - delta->status == GIT_DELTA_UNMODIFIED || - delta->status == GIT_DELTA_IGNORED || - delta->status == GIT_DELTA_UNREADABLE || - (delta->status == GIT_DELTA_UNTRACKED && - (pi->flags & GIT_DIFF_SHOW_UNTRACKED_CONTENT) == 0)) - return 0; - - if ((error = git_diff_delta__format_file_header(pi->buf, delta, oldpfx, newpfx, - id_strlen, print_index)) < 0) - return error; - - pi->line.origin = GIT_DIFF_LINE_FILE_HDR; - pi->line.content = git_buf_cstr(pi->buf); - pi->line.content_len = git_buf_len(pi->buf); - - return pi->print_cb(delta, NULL, &pi->line, pi->payload); -} - -static int diff_print_patch_binary( - const git_diff_delta *delta, - const git_diff_binary *binary, - void *data) -{ - diff_print_info *pi = data; - const char *old_pfx = - pi->old_prefix ? pi->old_prefix : DIFF_OLD_PREFIX_DEFAULT; - const char *new_pfx = - pi->new_prefix ? pi->new_prefix : DIFF_NEW_PREFIX_DEFAULT; - int error; - - git_buf_clear(pi->buf); - - if ((error = diff_print_patch_file_binary( - pi, (git_diff_delta *)delta, old_pfx, new_pfx, binary)) < 0) - return error; - - pi->line.origin = GIT_DIFF_LINE_BINARY; - pi->line.content = git_buf_cstr(pi->buf); - pi->line.content_len = git_buf_len(pi->buf); - - return pi->print_cb(delta, NULL, &pi->line, pi->payload); -} - -static int diff_print_patch_hunk( - const git_diff_delta *d, - const git_diff_hunk *h, - void *data) -{ - diff_print_info *pi = data; - - if (S_ISDIR(d->new_file.mode)) - return 0; - - pi->line.origin = GIT_DIFF_LINE_HUNK_HDR; - pi->line.content = h->header; - pi->line.content_len = h->header_len; - - return pi->print_cb(d, h, &pi->line, pi->payload); -} - -static int diff_print_patch_line( - const git_diff_delta *delta, - const git_diff_hunk *hunk, - const git_diff_line *line, - void *data) -{ - diff_print_info *pi = data; - - if (S_ISDIR(delta->new_file.mode)) - return 0; - - return pi->print_cb(delta, hunk, line, pi->payload); -} - -/* print a git_diff to an output callback */ -int git_diff_print( - git_diff *diff, - git_diff_format_t format, - git_diff_line_cb print_cb, - void *payload) -{ - int error; - git_buf buf = GIT_BUF_INIT; - diff_print_info pi; - git_diff_file_cb print_file = NULL; - git_diff_binary_cb print_binary = NULL; - git_diff_hunk_cb print_hunk = NULL; - git_diff_line_cb print_line = NULL; - - switch (format) { - case GIT_DIFF_FORMAT_PATCH: - print_file = diff_print_patch_file; - print_binary = diff_print_patch_binary; - print_hunk = diff_print_patch_hunk; - print_line = diff_print_patch_line; - break; - case GIT_DIFF_FORMAT_PATCH_ID: - print_file = diff_print_patch_file; - print_binary = diff_print_patch_binary; - print_line = diff_print_patch_line; - break; - case GIT_DIFF_FORMAT_PATCH_HEADER: - print_file = diff_print_patch_file; - break; - case GIT_DIFF_FORMAT_RAW: - print_file = diff_print_one_raw; - break; - case GIT_DIFF_FORMAT_NAME_ONLY: - print_file = diff_print_one_name_only; - break; - case GIT_DIFF_FORMAT_NAME_STATUS: - print_file = diff_print_one_name_status; - break; - default: - git_error_set(GIT_ERROR_INVALID, "unknown diff output format (%d)", format); - return -1; - } - - if ((error = diff_print_info_init_fromdiff(&pi, &buf, diff, format, print_cb, payload)) < 0) - goto out; - - if ((error = git_diff_foreach(diff, print_file, print_binary, print_hunk, print_line, &pi)) != 0) { - git_error_set_after_callback_function(error, "git_diff_print"); - goto out; - } - -out: - git_buf_dispose(&buf); - return error; -} - -int git_diff_print_callback__to_buf( - const git_diff_delta *delta, - const git_diff_hunk *hunk, - const git_diff_line *line, - void *payload) -{ - git_buf *output = payload; - GIT_UNUSED(delta); GIT_UNUSED(hunk); - - if (!output) { - git_error_set(GIT_ERROR_INVALID, "buffer pointer must be provided"); - return -1; - } - - if (line->origin == GIT_DIFF_LINE_ADDITION || - line->origin == GIT_DIFF_LINE_DELETION || - line->origin == GIT_DIFF_LINE_CONTEXT) - git_buf_putc(output, line->origin); - - return git_buf_put(output, line->content, line->content_len); -} - -int git_diff_print_callback__to_file_handle( - const git_diff_delta *delta, - const git_diff_hunk *hunk, - const git_diff_line *line, - void *payload) -{ - FILE *fp = payload ? payload : stdout; - int error; - - GIT_UNUSED(delta); - GIT_UNUSED(hunk); - - if (line->origin == GIT_DIFF_LINE_CONTEXT || - line->origin == GIT_DIFF_LINE_ADDITION || - line->origin == GIT_DIFF_LINE_DELETION) { - while ((error = fputc(line->origin, fp)) == EINTR) - continue; - if (error) { - git_error_set(GIT_ERROR_OS, "could not write status"); - return -1; - } - } - - if (fwrite(line->content, line->content_len, 1, fp) != 1) { - git_error_set(GIT_ERROR_OS, "could not write line"); - return -1; - } - - return 0; -} - -/* print a git_diff to a git_buf */ -int git_diff_to_buf(git_buf *out, git_diff *diff, git_diff_format_t format) -{ - int error; - - GIT_ASSERT_ARG(out); - GIT_ASSERT_ARG(diff); - - if ((error = git_buf_sanitize(out)) < 0) - return error; - - return git_diff_print(diff, format, git_diff_print_callback__to_buf, out); -} - -/* print a git_patch to an output callback */ -int git_patch_print( - git_patch *patch, - git_diff_line_cb print_cb, - void *payload) -{ - git_buf temp = GIT_BUF_INIT; - diff_print_info pi; - int error; - - GIT_ASSERT_ARG(patch); - GIT_ASSERT_ARG(print_cb); - - if ((error = diff_print_info_init_frompatch(&pi, &temp, patch, - GIT_DIFF_FORMAT_PATCH, print_cb, payload)) < 0) - goto out; - - if ((error = git_patch__invoke_callbacks(patch, diff_print_patch_file, diff_print_patch_binary, - diff_print_patch_hunk, diff_print_patch_line, &pi)) < 0) { - git_error_set_after_callback_function(error, "git_patch_print"); - goto out; - } - -out: - git_buf_dispose(&temp); - return error; -} - -/* print a git_patch to a git_buf */ -int git_patch_to_buf(git_buf *out, git_patch *patch) -{ - int error; - - GIT_ASSERT_ARG(out); - GIT_ASSERT_ARG(patch); - - if ((error = git_buf_sanitize(out)) < 0) - return error; - - return git_patch_print(patch, git_diff_print_callback__to_buf, out); -} |