difftool: handle unmerged files in dir-diff mode

diff --git a/builtin/commit.c b/builtin/commit.c
index b3bd2d41813f80d848afc199c2fae92cae6b6c11..e13303787a13aecf282ecd6b207f7f0c2a855cde 100644 (file)
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -694,7 +694,7 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                }
        }
 
-       if (message.len) {
+       if (have_option_m) {
                strbuf_addbuf(&sb, &message);
                hook_arg1 = "message";
        } else if (logfile && !strcmp(logfile, "-")) {
@@ -726,9 +726,18 @@ static int prepare_to_commit(const char *index_file, const char *prefix,
                                      &sb, &ctx);
                hook_arg1 = "message";
        } else if (!stat(git_path_merge_msg(), &statbuf)) {
+               /*
+                * prepend SQUASH_MSG here if it exists and a
+                * "merge --squash" was originally performed
+                */
+               if (!stat(git_path_squash_msg(), &statbuf)) {
+                       if (strbuf_read_file(&sb, git_path_squash_msg(), 0) < 0)
+                               die_errno(_("could not read SQUASH_MSG"));
+                       hook_arg1 = "squash";
+               } else
+                       hook_arg1 = "merge";
                if (strbuf_read_file(&sb, git_path_merge_msg(), 0) < 0)
                        die_errno(_("could not read MERGE_MSG"));
-               hook_arg1 = "merge";
        } else if (!stat(git_path_squash_msg(), &statbuf)) {
                if (strbuf_read_file(&sb, git_path_squash_msg(), 0) < 0)
                        die_errno(_("could not read SQUASH_MSG"));
@@ -1162,9 +1171,9 @@ static int parse_and_validate_options(int argc, const char *argv[],
                f++;
        if (f > 1)
                die(_("Only one of -c/-C/-F/--fixup can be used."));
-       if (message.len && f > 0)
+       if (have_option_m && f > 0)
                die((_("Option -m cannot be combined with -c/-C/-F/--fixup.")));
-       if (f || message.len)
+       if (f || have_option_m)
                template_file = NULL;
        if (edit_message)
                use_message = edit_message;