diff options
Diffstat (limited to 'diff.c')
| -rw-r--r-- | diff.c | 34 |
1 files changed, 31 insertions, 3 deletions
@@ -2378,6 +2378,20 @@ int diff_setup_done(struct diff_options *options) if (count > 1) die("--name-only, --name-status, --check and -s are mutually exclusive"); + /* + * Most of the time we can say "there are changes" + * only by checking if there are changed paths, but + * --ignore-whitespace* options force us to look + * inside contets. + */ + + if (DIFF_XDL_TST(options, IGNORE_WHITESPACE) || + DIFF_XDL_TST(options, IGNORE_WHITESPACE_CHANGE) || + DIFF_XDL_TST(options, IGNORE_WHITESPACE_AT_EOL)) + DIFF_OPT_SET(options, DIFF_FROM_CONTENTS); + else + DIFF_OPT_CLR(options, DIFF_FROM_CONTENTS); + if (DIFF_OPT_TST(options, FIND_COPIES_HARDER)) options->detect_rename = DIFF_DETECT_COPY; @@ -3330,6 +3344,18 @@ free_queue: q->nr = q->alloc = 0; if (options->close_file) fclose(options->file); + + /* + * Report the contents level differences with HAS_CHANGES; + * diff_addremove/diff_change does not set the bit when + * DIFF_FROM_CONTENTS is in effect (e.g. with -w). + */ + if (DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) { + if (options->found_changes) + DIFF_OPT_SET(options, HAS_CHANGES); + else + DIFF_OPT_CLR(options, HAS_CHANGES); + } } static void diffcore_apply_filter(const char *filter) @@ -3466,7 +3492,7 @@ void diffcore_std(struct diff_options *options) diff_resolve_rename_copy(); diffcore_apply_filter(options->filter); - if (diff_queued_diff.nr) + if (diff_queued_diff.nr && !DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) DIFF_OPT_SET(options, HAS_CHANGES); else DIFF_OPT_CLR(options, HAS_CHANGES); @@ -3526,7 +3552,8 @@ void diff_addremove(struct diff_options *options, fill_filespec(two, sha1, mode); diff_queue(&diff_queued_diff, one, two); - DIFF_OPT_SET(options, HAS_CHANGES); + if (!DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) + DIFF_OPT_SET(options, HAS_CHANGES); } void diff_change(struct diff_options *options, @@ -3558,7 +3585,8 @@ void diff_change(struct diff_options *options, fill_filespec(two, new_sha1, new_mode); diff_queue(&diff_queued_diff, one, two); - DIFF_OPT_SET(options, HAS_CHANGES); + if (!DIFF_OPT_TST(options, DIFF_FROM_CONTENTS)) + DIFF_OPT_SET(options, HAS_CHANGES); } void diff_unmerge(struct diff_options *options, |