am: improve author-script error reporting

diff --git a/builtin/difftool.c b/builtin/difftool.c
index 3018e61d048dacd178200ce380e319ae302b5790..b41a9199ff441579655c91fc692211257e4e91ed 100644 (file)
--- a/builtin/difftool.c
+++ b/builtin/difftool.c
@@ -116,7 +116,7 @@ static int use_wt_file(const char *workdir, const char *name,
                        if (is_null_oid(oid)) {
                                oidcpy(oid, &wt_oid);
                                use = 1;
-                       } else if (!oidcmp(oid, &wt_oid))
+                       } else if (oideq(oid, &wt_oid))
                                use = 1;
                }
        }
@@ -438,7 +438,7 @@ static int run_dir_diff(const char *extcmd, int symlinks, const char *prefix,
                        strbuf_reset(&buf);
                        strbuf_addf(&buf, "Subproject commit %s",
                                    oid_to_hex(&roid));
-                       if (!oidcmp(&loid, &roid))
+                       if (oideq(&loid, &roid))
                                strbuf_addstr(&buf, "-dirty");
                        add_left_or_right(&submodules, dst_path, buf.buf, 1);
                        continue;
@@ -703,7 +703,7 @@ int cmd_difftool(int argc, const char **argv, const char *prefix)
                        1, PARSE_OPT_NONEG | PARSE_OPT_HIDDEN),
                OPT_BOOL(0, "symlinks", &symlinks,
                         N_("use symlinks in dir-diff mode")),
-               OPT_STRING('t', "tool", &difftool_cmd, N_("<tool>"),
+               OPT_STRING('t', "tool", &difftool_cmd, N_("tool"),
                           N_("use the specified diff tool")),
                OPT_BOOL(0, "tool-help", &tool_help,
                         N_("print a list of diff tools that may be used with "
@@ -711,7 +711,7 @@ int cmd_difftool(int argc, const char **argv, const char *prefix)
                OPT_BOOL(0, "trust-exit-code", &trust_exit_code,
                         N_("make 'git-difftool' exit when an invoked diff "
                            "tool returns a non - zero exit code")),
-               OPT_STRING('x', "extcmd", &extcmd, N_("<command>"),
+               OPT_STRING('x', "extcmd", &extcmd, N_("command"),
                           N_("specify a custom command for viewing diffs")),
                OPT_END()
        };