diff options
Diffstat (limited to 'diff.c')
| -rw-r--r-- | diff.c | 23 |
1 files changed, 15 insertions, 8 deletions
@@ -13,6 +13,8 @@ static const char *diff_opts = "-pu"; static int use_size_cache; +int diff_rename_limit_default = -1; + static char *quote_one(const char *str) { int needlen; @@ -648,7 +650,7 @@ static void diff_fill_sha1_info(struct diff_filespec *one) memset(one->sha1, 0, 20); } -static void run_diff(struct diff_filepair *p) +static void run_diff(struct diff_filepair *p, struct diff_options *o) { const char *pgm = external_diff(); char msg[PATH_MAX*2+300], *xfrm_msg; @@ -711,11 +713,11 @@ static void run_diff(struct diff_filepair *p) if (memcmp(one->sha1, two->sha1, 20)) { char one_sha1[41]; + const char *index_fmt = o->full_index ? "index %s..%s" : "index %.7s..%.7s"; memcpy(one_sha1, sha1_to_hex(one->sha1), 41); len += snprintf(msg + len, sizeof(msg) - len, - "index %.7s..%.7s", one_sha1, - sha1_to_hex(two->sha1)); + index_fmt, one_sha1, sha1_to_hex(two->sha1)); if (one->mode == two->mode) len += snprintf(msg + len, sizeof(msg) - len, " %06o", one->mode); @@ -761,9 +763,12 @@ void diff_setup(struct diff_options *options) int diff_setup_done(struct diff_options *options) { - if ((options->find_copies_harder || 0 <= options->rename_limit) && - options->detect_rename != DIFF_DETECT_COPY) + if ((options->find_copies_harder && + options->detect_rename != DIFF_DETECT_COPY) || + (0 <= options->rename_limit && !options->detect_rename)) return -1; + if (options->detect_rename && options->rename_limit < 0) + options->rename_limit = diff_rename_limit_default; if (options->setup & DIFF_SETUP_USE_CACHE) { if (!active_cache) /* read-cache does not die even when it fails @@ -789,6 +794,8 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) options->line_termination = 0; else if (!strncmp(arg, "-l", 2)) options->rename_limit = strtoul(arg+2, NULL, 10); + else if (!strcmp(arg, "--full-index")) + options->full_index = 1; else if (!strcmp(arg, "--name-only")) options->output_format = DIFF_FORMAT_NAME; else if (!strcmp(arg, "--name-status")) @@ -1017,7 +1024,7 @@ int diff_unmodified_pair(struct diff_filepair *p) return 0; } -static void diff_flush_patch(struct diff_filepair *p) +static void diff_flush_patch(struct diff_filepair *p, struct diff_options *o) { if (diff_unmodified_pair(p)) return; @@ -1026,7 +1033,7 @@ static void diff_flush_patch(struct diff_filepair *p) (DIFF_FILE_VALID(p->two) && S_ISDIR(p->two->mode))) return; /* no tree diffs in patch format */ - run_diff(p); + run_diff(p, o); } int diff_queue_is_empty(void) @@ -1158,7 +1165,7 @@ void diff_flush(struct diff_options *options) die("internal error in diff-resolve-rename-copy"); switch (diff_output_format) { case DIFF_FORMAT_PATCH: - diff_flush_patch(p); + diff_flush_patch(p, options); break; case DIFF_FORMAT_RAW: case DIFF_FORMAT_NAME_STATUS: |