diff options
Diffstat (limited to 'src/diff_file.c')
-rw-r--r-- | src/diff_file.c | 173 |
1 files changed, 86 insertions, 87 deletions
diff --git a/src/diff_file.c b/src/diff_file.c index 4fd1177ae..bcfef13cd 100644 --- a/src/diff_file.c +++ b/src/diff_file.c @@ -18,23 +18,23 @@ static bool diff_file_content_binary_by_size(git_diff_file_content *fc) { /* if we have diff opts, check max_size vs file size */ - if ((fc->file.flags & DIFF_FLAGS_KNOWN_BINARY) == 0 && + if ((fc->file->flags & DIFF_FLAGS_KNOWN_BINARY) == 0 && fc->opts_max_size > 0 && - fc->file.size > fc->opts_max_size) - fc->file.flags |= GIT_DIFF_FLAG_BINARY; + fc->file->size > fc->opts_max_size) + fc->file->flags |= GIT_DIFF_FLAG_BINARY; - return ((fc->file.flags & GIT_DIFF_FLAG_BINARY) != 0); + return ((fc->file->flags & GIT_DIFF_FLAG_BINARY) != 0); } static void diff_file_content_binary_by_content(git_diff_file_content *fc) { - if ((fc->file.flags & DIFF_FLAGS_KNOWN_BINARY) != 0) + if ((fc->file->flags & DIFF_FLAGS_KNOWN_BINARY) != 0) return; switch (git_diff_driver_content_is_binary( fc->driver, fc->map.data, fc->map.len)) { - case 0: fc->file.flags |= GIT_DIFF_FLAG_NOT_BINARY; break; - case 1: fc->file.flags |= GIT_DIFF_FLAG_BINARY; break; + case 0: fc->file->flags |= GIT_DIFF_FLAG_NOT_BINARY; break; + case 1: fc->file->flags |= GIT_DIFF_FLAG_BINARY; break; default: break; } } @@ -48,38 +48,39 @@ static int diff_file_content_init_common( fc->opts_max_size = opts->max_size ? opts->max_size : DIFF_MAX_FILESIZE; - if (!fc->driver) { - if (git_diff_driver_lookup(&fc->driver, fc->repo, "") < 0) - return -1; + if (fc->src == GIT_ITERATOR_TYPE_EMPTY) fc->src = GIT_ITERATOR_TYPE_TREE; - } + + if (!fc->driver && + git_diff_driver_lookup(&fc->driver, fc->repo, fc->file->path) < 0) + return -1; /* give driver a chance to modify options */ git_diff_driver_update_options(&fc->opts_flags, fc->driver); /* make sure file is conceivable mmap-able */ - if ((git_off_t)((size_t)fc->file.size) != fc->file.size) - fc->file.flags |= GIT_DIFF_FLAG_BINARY; + if ((git_off_t)((size_t)fc->file->size) != fc->file->size) + fc->file->flags |= GIT_DIFF_FLAG_BINARY; /* check if user is forcing text diff the file */ else if (fc->opts_flags & GIT_DIFF_FORCE_TEXT) { - fc->file.flags &= ~GIT_DIFF_FLAG_BINARY; - fc->file.flags |= GIT_DIFF_FLAG_NOT_BINARY; + fc->file->flags &= ~GIT_DIFF_FLAG_BINARY; + fc->file->flags |= GIT_DIFF_FLAG_NOT_BINARY; } /* check if user is forcing binary diff the file */ else if (fc->opts_flags & GIT_DIFF_FORCE_BINARY) { - fc->file.flags &= ~GIT_DIFF_FLAG_NOT_BINARY; - fc->file.flags |= GIT_DIFF_FLAG_BINARY; + fc->file->flags &= ~GIT_DIFF_FLAG_NOT_BINARY; + fc->file->flags |= GIT_DIFF_FLAG_BINARY; } diff_file_content_binary_by_size(fc); - if ((fc->file.flags & GIT_DIFF_FLAG__NO_DATA) != 0) { - fc->file.flags |= GIT_DIFF_FLAG__LOADED; + if ((fc->flags & GIT_DIFF_FLAG__NO_DATA) != 0) { + fc->flags |= GIT_DIFF_FLAG__LOADED; fc->map.len = 0; fc->map.data = ""; } - if ((fc->file.flags & GIT_DIFF_FLAG__LOADED) != 0) + if ((fc->flags & GIT_DIFF_FLAG__LOADED) != 0) diff_file_content_binary_by_content(fc); return 0; @@ -92,15 +93,14 @@ int git_diff_file_content__init_from_diff( bool use_old) { git_diff_delta *delta = git_vector_get(&diff->deltas, delta_index); - git_diff_file *file = use_old ? &delta->old_file : &delta->new_file; bool has_data = true; memset(fc, 0, sizeof(*fc)); fc->repo = diff->repo; + fc->file = use_old ? &delta->old_file : &delta->new_file; fc->src = use_old ? diff->old_src : diff->new_src; - memcpy(&fc->file, file, sizeof(fc->file)); - if (git_diff_driver_lookup(&fc->driver, fc->repo, file->path) < 0) + if (git_diff_driver_lookup(&fc->driver, fc->repo, fc->file->path) < 0) return -1; switch (delta->status) { @@ -122,7 +122,7 @@ int git_diff_file_content__init_from_diff( } if (!has_data) - fc->file.flags |= GIT_DIFF_FLAG__NO_DATA; + fc->flags |= GIT_DIFF_FLAG__NO_DATA; return diff_file_content_init_common(fc, &diff->opts); } @@ -131,21 +131,24 @@ int git_diff_file_content__init_from_blob( git_diff_file_content *fc, git_repository *repo, const git_diff_options *opts, - const git_blob *blob) + const git_blob *blob, + git_diff_file *as_file) { memset(fc, 0, sizeof(*fc)); fc->repo = repo; + fc->file = as_file; fc->blob = blob; if (!blob) { - fc->file.flags |= GIT_DIFF_FLAG__NO_DATA; + fc->flags |= GIT_DIFF_FLAG__NO_DATA; } else { - fc->file.flags |= GIT_DIFF_FLAG__LOADED | GIT_DIFF_FLAG_VALID_OID; - fc->file.size = git_blob_rawsize(blob); - fc->file.mode = 0644; - git_oid_cpy(&fc->file.oid, git_blob_id(blob)); + fc->flags |= GIT_DIFF_FLAG__LOADED; + fc->file->flags |= GIT_DIFF_FLAG_VALID_OID; + fc->file->size = git_blob_rawsize(blob); + fc->file->mode = GIT_FILEMODE_BLOB; + git_oid_cpy(&fc->file->oid, git_blob_id(blob)); - fc->map.len = (size_t)fc->file.size; + fc->map.len = (size_t)fc->file->size; fc->map.data = (char *)git_blob_rawcontent(blob); } @@ -157,18 +160,21 @@ int git_diff_file_content__init_from_raw( git_repository *repo, const git_diff_options *opts, const char *buf, - size_t buflen) + size_t buflen, + git_diff_file *as_file) { memset(fc, 0, sizeof(*fc)); fc->repo = repo; + fc->file = as_file; if (!buf) { - fc->file.flags |= GIT_DIFF_FLAG__NO_DATA; + fc->flags |= GIT_DIFF_FLAG__NO_DATA; } else { - fc->file.flags |= GIT_DIFF_FLAG__LOADED | GIT_DIFF_FLAG_VALID_OID; - fc->file.size = buflen; - fc->file.mode = 0644; - git_odb_hash(&fc->file.oid, buf, buflen, GIT_OBJ_BLOB); + fc->flags |= GIT_DIFF_FLAG__LOADED; + fc->file->flags |= GIT_DIFF_FLAG_VALID_OID; + fc->file->size = buflen; + fc->file->mode = GIT_FILEMODE_BLOB; + git_odb_hash(&fc->file->oid, buf, buflen, GIT_OBJ_BLOB); fc->map.len = buflen; fc->map.data = (char *)buf; @@ -190,7 +196,7 @@ static int diff_file_content_commit_to_str( unsigned int sm_status = 0; const git_oid *sm_head; - if ((error = git_submodule_lookup(&sm, fc->repo, fc->file.path)) < 0 || + if ((error = git_submodule_lookup(&sm, fc->repo, fc->file->path)) < 0 || (error = git_submodule_status(&sm_status, sm)) < 0) { /* GIT_EEXISTS means a "submodule" that has not been git added */ if (error == GIT_EEXISTS) @@ -199,25 +205,25 @@ static int diff_file_content_commit_to_str( } /* update OID if we didn't have it previously */ - if ((fc->file.flags & GIT_DIFF_FLAG_VALID_OID) == 0 && + if ((fc->file->flags & GIT_DIFF_FLAG_VALID_OID) == 0 && ((sm_head = git_submodule_wd_id(sm)) != NULL || (sm_head = git_submodule_head_id(sm)) != NULL)) { - git_oid_cpy(&fc->file.oid, sm_head); - fc->file.flags |= GIT_DIFF_FLAG_VALID_OID; + git_oid_cpy(&fc->file->oid, sm_head); + fc->file->flags |= GIT_DIFF_FLAG_VALID_OID; } if (GIT_SUBMODULE_STATUS_IS_WD_DIRTY(sm_status)) status = "-dirty"; } - git_oid_tostr(oid, sizeof(oid), &fc->file.oid); + git_oid_tostr(oid, sizeof(oid), &fc->file->oid); if (git_buf_printf(&content, "Subproject commit %s%s\n", oid, status) < 0) return -1; fc->map.len = git_buf_len(&content); fc->map.data = git_buf_detach(&content); - fc->file.flags |= GIT_DIFF_FLAG__FREE_DATA; + fc->flags |= GIT_DIFF_FLAG__FREE_DATA; return 0; } @@ -227,27 +233,17 @@ static int diff_file_content_load_blob(git_diff_file_content *fc) int error = 0; git_odb_object *odb_obj = NULL; - if (git_oid_iszero(&fc->file.oid)) + if (git_oid_iszero(&fc->file->oid)) return 0; - if (fc->file.mode == GIT_FILEMODE_COMMIT) + if (fc->file->mode == GIT_FILEMODE_COMMIT) return diff_file_content_commit_to_str(fc, false); /* if we don't know size, try to peek at object header first */ - if (!fc->file.size) { - git_odb *odb; - size_t len; - git_otype type; - - if (!(error = git_repository_odb__weakptr(&odb, fc->repo))) { - error = git_odb__read_header_or_object( - &odb_obj, &len, &type, odb, &fc->file.oid); - git_odb_free(odb); - } - if (error) + if (!fc->file->size) { + if ((error = git_diff_file__resolve_zero_size( + fc->file, &odb_obj, fc->repo)) < 0) return error; - - fc->file.size = len; } if (diff_file_content_binary_by_size(fc)) @@ -259,11 +255,11 @@ static int diff_file_content_load_blob(git_diff_file_content *fc) git_odb_object_free(odb_obj); } else { error = git_blob_lookup( - (git_blob **)&fc->blob, fc->repo, &fc->file.oid); + (git_blob **)&fc->blob, fc->repo, &fc->file->oid); } if (!error) { - fc->file.flags |= GIT_DIFF_FLAG__FREE_BLOB; + fc->flags |= GIT_DIFF_FLAG__FREE_BLOB; fc->map.data = (void *)git_blob_rawcontent(fc->blob); fc->map.len = (size_t)git_blob_rawsize(fc->blob); } @@ -279,16 +275,16 @@ static int diff_file_content_load_workdir_symlink( /* link path on disk could be UTF-16, so prepare a buffer that is * big enough to handle some UTF-8 data expansion */ - alloc_len = (ssize_t)(fc->file.size * 2) + 1; + alloc_len = (ssize_t)(fc->file->size * 2) + 1; fc->map.data = git__calloc(alloc_len, sizeof(char)); GITERR_CHECK_ALLOC(fc->map.data); - fc->file.flags |= GIT_DIFF_FLAG__FREE_DATA; + fc->flags |= GIT_DIFF_FLAG__FREE_DATA; read_len = p_readlink(git_buf_cstr(path), fc->map.data, alloc_len); if (read_len < 0) { - giterr_set(GITERR_OS, "Failed to read symlink '%s'", fc->file.path); + giterr_set(GITERR_OS, "Failed to read symlink '%s'", fc->file->path); return -1; } @@ -307,28 +303,28 @@ static int diff_file_content_load_workdir_file( if (fd < 0) return fd; - if (!fc->file.size && - !(fc->file.size = git_futils_filesize(fd))) + if (!fc->file->size && + !(fc->file->size = git_futils_filesize(fd))) goto cleanup; if (diff_file_content_binary_by_size(fc)) goto cleanup; if ((error = git_filters_load( - &filters, fc->repo, fc->file.path, GIT_FILTER_TO_ODB)) < 0) + &filters, fc->repo, fc->file->path, GIT_FILTER_TO_ODB)) < 0) goto cleanup; /* error >= is a filter count */ if (error == 0) { if (!(error = git_futils_mmap_ro( - &fc->map, fd, 0, (size_t)fc->file.size))) - fc->file.flags |= GIT_DIFF_FLAG__UNMAP_DATA; + &fc->map, fd, 0, (size_t)fc->file->size))) + fc->flags |= GIT_DIFF_FLAG__UNMAP_DATA; else /* fall through to try readbuffer below */ giterr_clear(); } if (error != 0) { - error = git_futils_readbuffer_fd(&raw, fd, (size_t)fc->file.size); + error = git_futils_readbuffer_fd(&raw, fd, (size_t)fc->file->size); if (error < 0) goto cleanup; @@ -340,7 +336,7 @@ static int diff_file_content_load_workdir_file( if (!error) { fc->map.len = git_buf_len(&filtered); fc->map.data = git_buf_detach(&filtered); - fc->file.flags |= GIT_DIFF_FLAG__FREE_DATA; + fc->flags |= GIT_DIFF_FLAG__FREE_DATA; } git_buf_free(&raw); @@ -359,26 +355,26 @@ static int diff_file_content_load_workdir(git_diff_file_content *fc) int error = 0; git_buf path = GIT_BUF_INIT; - if (fc->file.mode == GIT_FILEMODE_COMMIT) + if (fc->file->mode == GIT_FILEMODE_COMMIT) return diff_file_content_commit_to_str(fc, true); - if (fc->file.mode == GIT_FILEMODE_TREE) + if (fc->file->mode == GIT_FILEMODE_TREE) return 0; if (git_buf_joinpath( - &path, git_repository_workdir(fc->repo), fc->file.path) < 0) + &path, git_repository_workdir(fc->repo), fc->file->path) < 0) return -1; - if (S_ISLNK(fc->file.mode)) + if (S_ISLNK(fc->file->mode)) error = diff_file_content_load_workdir_symlink(fc, &path); else error = diff_file_content_load_workdir_file(fc, &path); /* once data is loaded, update OID if we didn't have it previously */ - if (!error && (fc->file.flags & GIT_DIFF_FLAG_VALID_OID) == 0) { + if (!error && (fc->file->flags & GIT_DIFF_FLAG_VALID_OID) == 0) { error = git_odb_hash( - &fc->file.oid, fc->map.data, fc->map.len, GIT_OBJ_BLOB); - fc->file.flags |= GIT_DIFF_FLAG_VALID_OID; + &fc->file->oid, fc->map.data, fc->map.len, GIT_OBJ_BLOB); + fc->file->flags |= GIT_DIFF_FLAG_VALID_OID; } git_buf_free(&path); @@ -389,10 +385,10 @@ int git_diff_file_content__load(git_diff_file_content *fc) { int error = 0; - if ((fc->file.flags & GIT_DIFF_FLAG__LOADED) != 0) + if ((fc->flags & GIT_DIFF_FLAG__LOADED) != 0) return 0; - if (fc->file.flags & GIT_DIFF_FLAG_BINARY) + if ((fc->file->flags & GIT_DIFF_FLAG_BINARY) != 0) return 0; if (fc->src == GIT_ITERATOR_TYPE_WORKDIR) @@ -402,7 +398,7 @@ int git_diff_file_content__load(git_diff_file_content *fc) if (error) return error; - fc->file.flags |= GIT_DIFF_FLAG__LOADED; + fc->flags |= GIT_DIFF_FLAG__LOADED; diff_file_content_binary_by_content(fc); @@ -411,26 +407,29 @@ int git_diff_file_content__load(git_diff_file_content *fc) void git_diff_file_content__unload(git_diff_file_content *fc) { - if (fc->file.flags & GIT_DIFF_FLAG__FREE_DATA) { + if ((fc->flags & GIT_DIFF_FLAG__LOADED) == 0) + return; + + if (fc->flags & GIT_DIFF_FLAG__FREE_DATA) { git__free(fc->map.data); fc->map.data = ""; fc->map.len = 0; - fc->file.flags &= ~GIT_DIFF_FLAG__FREE_DATA; + fc->flags &= ~GIT_DIFF_FLAG__FREE_DATA; } - else if (fc->file.flags & GIT_DIFF_FLAG__UNMAP_DATA) { + else if (fc->flags & GIT_DIFF_FLAG__UNMAP_DATA) { git_futils_mmap_free(&fc->map); fc->map.data = ""; fc->map.len = 0; - fc->file.flags &= ~GIT_DIFF_FLAG__UNMAP_DATA; + fc->flags &= ~GIT_DIFF_FLAG__UNMAP_DATA; } - if (fc->file.flags & GIT_DIFF_FLAG__FREE_BLOB) { + if (fc->flags & GIT_DIFF_FLAG__FREE_BLOB) { git_blob_free((git_blob *)fc->blob); fc->blob = NULL; - fc->file.flags &= ~GIT_DIFF_FLAG__FREE_BLOB; + fc->flags &= ~GIT_DIFF_FLAG__FREE_BLOB; } - fc->file.flags &= ~GIT_DIFF_FLAG__LOADED; + fc->flags &= ~GIT_DIFF_FLAG__LOADED; } void git_diff_file_content__clear(git_diff_file_content *fc) |