send-email: automatically determine transfer-encoding

diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 171c7a2b42446dfec93be7d4f416ec762fa858c4..4f49e96bfd0166aeb6f9875a688ff0dd83d631b5 100644 (file)
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -159,7 +159,7 @@ static void show_rev(int type, const struct object_id *oid, const char *name)
                }
        }
        else if (abbrev)
-               show_with_type(type, find_unique_abbrev(oid->hash, abbrev));
+               show_with_type(type, find_unique_abbrev(oid, abbrev));
        else
                show_with_type(type, oid_to_hex(oid));
 }
@@ -282,6 +282,10 @@ static int try_difference(const char *arg)
                        struct commit *a, *b;
                        a = lookup_commit_reference(&start_oid);
                        b = lookup_commit_reference(&end_oid);
+                       if (!a || !b) {
+                               *dotdot = '.';
+                               return 0;
+                       }
                        exclude = get_merge_bases(a, b);
                        while (exclude) {
                                struct commit *commit = pop_commit(&exclude);
@@ -328,12 +332,12 @@ static int try_parent_shorthands(const char *arg)
                return 0;
 
        *dotdot = 0;
-       if (get_oid_committish(arg, &oid)) {
+       if (get_oid_committish(arg, &oid) ||
+           !(commit = lookup_commit_reference(&oid))) {
                *dotdot = '^';
                return 0;
        }
 
-       commit = lookup_commit_reference(&oid);
        if (exclude_parent &&
            exclude_parent > commit_list_count(commit->parents)) {
                *dotdot = '^';
@@ -516,7 +520,7 @@ static int cmd_parseopt(int argc, const char **argv, const char *prefix)
                        PARSE_OPT_SHELL_EVAL);
 
        strbuf_addstr(&parsed, " --");
-       sq_quote_argv(&parsed, argv, 0);
+       sq_quote_argv(&parsed, argv);
        puts(parsed.buf);
        return 0;
 }
@@ -526,7 +530,7 @@ static int cmd_sq_quote(int argc, const char **argv)
        struct strbuf buf = STRBUF_INIT;
 
        if (argc)
-               sq_quote_argv(&buf, argv, 0);
+               sq_quote_argv(&buf, argv);
        printf("%s\n", buf.buf);
        strbuf_release(&buf);
 
@@ -887,8 +891,8 @@ int cmd_rev_parse(int argc, const char **argv, const char *prefix)
                                if (read_cache() < 0)
                                        die(_("Could not read the index"));
                                if (the_index.split_index) {
-                                       const unsigned char *sha1 = the_index.split_index->base_sha1;
-                                       const char *path = git_path("sharedindex.%s", sha1_to_hex(sha1));
+                                       const struct object_id *oid = &the_index.split_index->base_oid;
+                                       const char *path = git_path("sharedindex.%s", oid_to_hex(oid));
                                        strbuf_reset(&buf);
                                        puts(relative_path(path, prefix, &buf));
                                }