builtin-commit: avoid double-negation in the code.

The flag no_edit meant "we have got final message from the user
and will not editing it any further", but there were quite a few
places that needed to check !no_edit.  Rename the variable to
use_editor and reverse the logic everywhere.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-commit.c b/builtin-commit.c
index eebd4cf066852e5113d2dc339f7853a3f3752f30..1d544cbe358c6390a00be8e0c1ed56306f8a5176 100644 (file)
--- a/builtin-commit.c
+++ b/builtin-commit.c
@@ -48,7 +48,7 @@ static char *edit_message, *use_message;
 static int all, edit_flag, also, interactive, only, amend, signoff;
 static int quiet, verbose, untracked_files, no_verify, allow_empty;
 
-static int no_edit, initial_commit, in_merge;
+static int use_editor = 1, initial_commit, in_merge;
 const char *only_include_assumed;
 struct strbuf message;
 
@@ -372,7 +372,7 @@ static int prepare_log_message(const char *index_file, const char *prefix)
 
        strbuf_release(&sb);
 
-       if (no_edit) {
+       if (!use_editor) {
                struct rev_info rev;
                unsigned char sha1[20];
                const char *parent = "HEAD";
@@ -398,7 +398,7 @@ static int prepare_log_message(const char *index_file, const char *prefix)
                return !!DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES);
        }
 
-       if (in_merge && !no_edit)
+       if (in_merge)
                fprintf(fp,
                        "#\n"
                        "# It looks like you may be committing a MERGE.\n"
@@ -513,9 +513,9 @@ static int parse_and_validate_options(int argc, const char *argv[],
        argc = parse_options(argc, argv, builtin_commit_options, usage, 0);
 
        if (logfile || message.len || use_message)
-               no_edit = 1;
+               use_editor = 0;
        if (edit_flag)
-               no_edit = 0;
+               use_editor = 1;
 
        if (get_sha1("HEAD", head_sha1))
                initial_commit = 1;
@@ -796,7 +796,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
 
        /* Get the commit message and validate it */
        header_len = sb.len;
-       if (!no_edit) {
+       if (use_editor) {
                char index[PATH_MAX];
                const char *env[2] = { index, NULL };
                snprintf(index, sizeof(index), "GIT_INDEX_FILE=%s", index_file);