Subject: setup: officially support --work-tree without --git-dir

[thirdparty/git.git] / diff.c

diff --git a/diff.c b/diff.c
index 6991ed4e17343a3104d3fd518b5d85d0913e9259..5422c438826254f36d1e00af0e8b882690661276 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -3154,14 +3154,14 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac)
                if ((options->break_opt = diff_scoreopt_parse(arg)) == -1)
                        return error("invalid argument to -B: %s", arg+2);
        }
-       else if (!prefixcmp(arg, "-M") || !prefixcmp(arg, "--detect-renames=") ||
-                !strcmp(arg, "--detect-renames")) {
+       else if (!prefixcmp(arg, "-M") || !prefixcmp(arg, "--find-renames=") ||
+                !strcmp(arg, "--find-renames")) {
                if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
                        return error("invalid argument to -M: %s", arg+2);
                options->detect_rename = DIFF_DETECT_RENAME;
        }
-       else if (!prefixcmp(arg, "-C") || !prefixcmp(arg, "--detect-copies=") ||
-                !strcmp(arg, "--detect-copies")) {
+       else if (!prefixcmp(arg, "-C") || !prefixcmp(arg, "--find-copies=") ||
+                !strcmp(arg, "--find-copies")) {
                if (options->detect_rename == DIFF_DETECT_COPY)
                        DIFF_OPT_SET(options, FIND_COPIES_HARDER);
                if ((options->rename_score = diff_scoreopt_parse(arg)) == -1)
@@ -3384,12 +3384,12 @@ static int diff_scoreopt_parse(const char *opt)
                        opt += strlen("break-rewrites");
                        if (*opt == 0 || *opt++ == '=')
                                cmd = 'B';
-               } else if (!prefixcmp(opt, "detect-copies")) {
-                       opt += strlen("detect-copies");
+               } else if (!prefixcmp(opt, "find-copies")) {
+                       opt += strlen("find-copies");
                        if (*opt == 0 || *opt++ == '=')
                                cmd = 'C';
-               } else if (!prefixcmp(opt, "detect-renames")) {
-                       opt += strlen("detect-renames");
+               } else if (!prefixcmp(opt, "find-renames")) {
+                       opt += strlen("find-renames");
                        if (*opt == 0 || *opt++ == '=')
                                cmd = 'M';
                }
@@ -4412,7 +4412,7 @@ size_t fill_textconv(struct userdiff_driver *driver,
                return df->size;
        }
 
-       if (driver->textconv_cache) {
+       if (driver->textconv_cache && df->sha1_valid) {
                *outbuf = notes_cache_get(driver->textconv_cache, df->sha1,
                                          &size);
                if (*outbuf)
@@ -4423,7 +4423,7 @@ size_t fill_textconv(struct userdiff_driver *driver,
        if (!*outbuf)
                die("unable to read files to diff");
 
-       if (driver->textconv_cache) {
+       if (driver->textconv_cache && df->sha1_valid) {
                /* ignore errors, as we might be in a readonly repository */
                notes_cache_put(driver->textconv_cache, df->sha1, *outbuf,
                                size);