From b612ee202a48f129f81f8f6a5af6cf71d1a9caef Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= Date: Mon, 13 Aug 2018 18:14:35 +0200 Subject: archive.c: avoid access to the_index MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Nguyễn Thái Ngọc Duy Signed-off-by: Junio C Hamano diff --git a/archive.c b/archive.c index aca9179..0a07b14 100644 --- a/archive.c +++ b/archive.c @@ -79,7 +79,7 @@ void *object_file_to_archive(const struct archiver_args *args, size_t size = 0; strbuf_attach(&buf, buffer, *sizep, *sizep + 1); - convert_to_working_tree(&the_index, path, buf.buf, buf.len, &buf); + convert_to_working_tree(args->repo->index, path, buf.buf, buf.len, &buf); if (commit) format_subst(commit, buf.buf, buf.len, &buf); buffer = strbuf_detach(&buf, &size); @@ -104,12 +104,13 @@ struct archiver_context { struct directory *bottom; }; -static const struct attr_check *get_archive_attrs(const char *path) +static const struct attr_check *get_archive_attrs(struct index_state *istate, + const char *path) { static struct attr_check *check; if (!check) check = attr_check_initl("export-ignore", "export-subst", NULL); - return git_check_attr(&the_index, path, check) ? NULL : check; + return git_check_attr(istate, path, check) ? NULL : check; } static int check_attr_export_ignore(const struct attr_check *check) @@ -145,7 +146,7 @@ static int write_archive_entry(const struct object_id *oid, const char *base, if (!S_ISDIR(mode)) { const struct attr_check *check; - check = get_archive_attrs(path_without_prefix); + check = get_archive_attrs(args->repo->index, path_without_prefix); if (check_attr_export_ignore(check)) return 0; args->convert = check_attr_export_subst(check); @@ -220,7 +221,7 @@ static int queue_or_write_archive_entry(const struct object_id *oid, /* Borrow base, but restore its original value when done. */ strbuf_addstr(base, filename); strbuf_addch(base, '/'); - check = get_archive_attrs(base->buf); + check = get_archive_attrs(c->args->repo->index, base->buf); strbuf_setlen(base, baselen); if (check_attr_export_ignore(check)) @@ -268,8 +269,8 @@ int write_archive_entries(struct archiver_args *args, memset(&opts, 0, sizeof(opts)); opts.index_only = 1; opts.head_idx = -1; - opts.src_index = &the_index; - opts.dst_index = &the_index; + opts.src_index = args->repo->index; + opts.dst_index = args->repo->index; opts.fn = oneway_merge; init_tree_desc(&t, args->tree->buffer, args->tree->size); if (unpack_trees(1, &t, &opts)) @@ -304,33 +305,43 @@ static const struct archiver *lookup_archiver(const char *name) return NULL; } +struct path_exists_context { + struct pathspec pathspec; + struct archiver_args *args; +}; + static int reject_entry(const struct object_id *oid, struct strbuf *base, const char *filename, unsigned mode, int stage, void *context) { int ret = -1; + struct path_exists_context *ctx = context; + if (S_ISDIR(mode)) { struct strbuf sb = STRBUF_INIT; strbuf_addbuf(&sb, base); strbuf_addstr(&sb, filename); - if (!match_pathspec(&the_index, context, sb.buf, sb.len, 0, NULL, 1)) + if (!match_pathspec(ctx->args->repo->index, + &ctx->pathspec, + sb.buf, sb.len, 0, NULL, 1)) ret = READ_TREE_RECURSIVE; strbuf_release(&sb); } return ret; } -static int path_exists(struct tree *tree, const char *path) +static int path_exists(struct archiver_args *args, const char *path) { const char *paths[] = { path, NULL }; - struct pathspec pathspec; + struct path_exists_context ctx; int ret; - parse_pathspec(&pathspec, 0, 0, "", paths); - pathspec.recursive = 1; - ret = read_tree_recursive(tree, "", 0, 0, &pathspec, - reject_entry, &pathspec); - clear_pathspec(&pathspec); + ctx.args = args; + parse_pathspec(&ctx.pathspec, 0, 0, "", paths); + ctx.pathspec.recursive = 1; + ret = read_tree_recursive(args->tree, "", 0, 0, &ctx.pathspec, + reject_entry, &ctx); + clear_pathspec(&ctx.pathspec); return ret != 0; } @@ -348,7 +359,7 @@ static void parse_pathspec_arg(const char **pathspec, ar_args->pathspec.recursive = 1; if (pathspec) { while (*pathspec) { - if (**pathspec && !path_exists(ar_args->tree, *pathspec)) + if (**pathspec && !path_exists(ar_args, *pathspec)) die(_("pathspec '%s' did not match any files"), *pathspec); pathspec++; } @@ -510,6 +521,7 @@ static int parse_archive_args(int argc, const char **argv, } int write_archive(int argc, const char **argv, const char *prefix, + struct repository *repo, const char *name_hint, int remote) { const struct archiver *ar = NULL; @@ -521,6 +533,7 @@ int write_archive(int argc, const char **argv, const char *prefix, init_tar_archiver(); init_zip_archiver(); + args.repo = repo; argc = parse_archive_args(argc, argv, &ar, &args, name_hint, remote); if (!startup_info->have_repository) { /* diff --git a/archive.h b/archive.h index 1f9954f..75b9a86 100644 --- a/archive.h +++ b/archive.h @@ -3,7 +3,10 @@ #include "pathspec.h" +struct repository; + struct archiver_args { + struct repository *repo; const char *base; size_t baselen; struct tree *tree; @@ -17,6 +20,16 @@ struct archiver_args { int compression_level; }; +/* main api */ + +extern int write_archive(int argc, const char **argv, const char *prefix, + struct repository *repo, + const char *name_hint, int remote); + +const char *archive_format_from_filename(const char *filename); + +/* archive backend stuff */ + #define ARCHIVER_WANT_COMPRESSION_LEVELS 1 #define ARCHIVER_REMOTE 2 struct archiver { @@ -36,9 +49,6 @@ typedef int (*write_archive_entry_fn_t)(struct archiver_args *args, unsigned int mode); extern int write_archive_entries(struct archiver_args *args, write_archive_entry_fn_t write_entry); -extern int write_archive(int argc, const char **argv, const char *prefix, const char *name_hint, int remote); - -const char *archive_format_from_filename(const char *filename); extern void *object_file_to_archive(const struct archiver_args *args, const char *path, const struct object_id *oid, unsigned int mode, enum object_type *type, diff --git a/builtin/archive.c b/builtin/archive.c index 73971d0..e74f675 100644 --- a/builtin/archive.c +++ b/builtin/archive.c @@ -105,5 +105,5 @@ int cmd_archive(int argc, const char **argv, const char *prefix) setvbuf(stderr, NULL, _IOLBF, BUFSIZ); - return write_archive(argc, argv, prefix, output, 0); + return write_archive(argc, argv, prefix, the_repository, output, 0); } diff --git a/builtin/upload-archive.c b/builtin/upload-archive.c index 84532ae..25d9116 100644 --- a/builtin/upload-archive.c +++ b/builtin/upload-archive.c @@ -43,7 +43,8 @@ int cmd_upload_archive_writer(int argc, const char **argv, const char *prefix) } /* parse all options sent by the client */ - return write_archive(sent_argv.argc, sent_argv.argv, prefix, NULL, 1); + return write_archive(sent_argv.argc, sent_argv.argv, prefix, + the_repository, NULL, 1); } __attribute__((format (printf, 1, 2))) -- cgit v0.10.2-6-g49f6