archive.c: avoid access to the_index

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/archive.c b/archive.c
index aca9179d03921f6e0c542e3600fb9c38af18f350..0a07b140fedd8fb1f14dd844dae9844641842c57 100644 (file)
--- 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 1f9954f7cdc5a1ee8036321e439a65bdfb90e59f..75b9a86066b5f4e2977c9525b222c6595cef8b25 100644 (file)
--- 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 73971d0dd20e7233d6cb1e6c16986ede25526939..e74f675390d975e3a8993037796aa6ef2f975cb7 100644 (file)
--- 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 84532ae9a93e7fb526a6fd28901875b3a10f3ffa..25d91163563614110d2c93802ce3fef6d5844325 100644 (file)
--- 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)))