pull --rebase: Avoid spurious conflicts and reapplying unnecessary patches

diff --git a/archive.c b/archive.c
index 73b8e8a56db460dbbd2fb32ae2f4bf297c93dc67..d700af3b62f35091f9c628a5a2c0d8449e2fe439 100644 (file)
--- a/archive.c
+++ b/archive.c
@@ -31,6 +31,8 @@ static void format_subst(const struct commit *commit,
 {
        char *to_free = NULL;
        struct strbuf fmt = STRBUF_INIT;
+       struct pretty_print_context ctx = {0};
+       ctx.date_mode = DATE_NORMAL;
 
        if (src == buf->buf)
                to_free = strbuf_detach(buf, NULL);
@@ -48,7 +50,7 @@ static void format_subst(const struct commit *commit,
                strbuf_add(&fmt, b + 8, c - b - 8);
 
                strbuf_add(buf, src, b - src);
-               format_commit_message(commit, fmt.buf, buf, DATE_NORMAL);
+               format_commit_message(commit, fmt.buf, buf, &ctx);
                len -= c + 1 - src;
                src  = c + 1;
        }
@@ -85,8 +87,8 @@ static void setup_archive_check(struct git_attr_check *check)
        static struct git_attr *attr_export_subst;
 
        if (!attr_export_ignore) {
-               attr_export_ignore = git_attr("export-ignore", 13);
-               attr_export_subst = git_attr("export-subst", 12);
+               attr_export_ignore = git_attr("export-ignore");
+               attr_export_subst = git_attr("export-subst");
        }
        check[0].attr = attr_export_ignore;
        check[1].attr = attr_export_subst;
@@ -115,6 +117,7 @@ static int write_archive_entry(const unsigned char *sha1, const char *base,
 
        strbuf_reset(&path);
        strbuf_grow(&path, PATH_MAX);
+       strbuf_add(&path, args->base, args->baselen);
        strbuf_add(&path, base, baselen);
        strbuf_addstr(&path, filename);
        path_without_prefix = path.buf + args->baselen;
@@ -187,8 +190,8 @@ int write_archive_entries(struct archiver_args *args,
                git_attr_set_direction(GIT_ATTR_INDEX, &the_index);
        }
 
-       err =  read_tree_recursive(args->tree, args->base, args->baselen, 0,
-                       args->pathspec, write_archive_entry, &context);
+       err = read_tree_recursive(args->tree, "", 0, 0, args->pathspec,
+                                 write_archive_entry, &context);
        if (err == READ_TREE_RECURSIVE)
                err = 0;
        return err;
@@ -208,10 +211,33 @@ static const struct archiver *lookup_archiver(const char *name)
        return NULL;
 }
 
+static int reject_entry(const unsigned char *sha1, const char *base,
+                       int baselen, const char *filename, unsigned mode,
+                       int stage, void *context)
+{
+       return -1;
+}
+
+static int path_exists(struct tree *tree, const char *path)
+{
+       const char *pathspec[] = { path, NULL };
+
+       if (read_tree_recursive(tree, "", 0, 0, pathspec, reject_entry, NULL))
+               return 1;
+       return 0;
+}
+
 static void parse_pathspec_arg(const char **pathspec,
                struct archiver_args *ar_args)
 {
-       ar_args->pathspec = get_pathspec(ar_args->base, pathspec);
+       ar_args->pathspec = pathspec = get_pathspec("", pathspec);
+       if (pathspec) {
+               while (*pathspec) {
+                       if (!path_exists(ar_args->tree, *pathspec))
+                               die("path not found: %s", *pathspec);
+                       pathspec++;
+               }
+       }
 }
 
 static void parse_treeish_arg(const char **argv,