diff options
| -rw-r--r-- | Documentation/diff-options.txt | 4 | ||||
| -rw-r--r-- | builtin-diff-files.c | 2 | ||||
| -rw-r--r-- | builtin-diff-index.c | 2 | ||||
| -rw-r--r-- | builtin-diff-tree.c | 28 | ||||
| -rw-r--r-- | builtin-diff.c | 6 | ||||
| -rw-r--r-- | diff.c | 9 | ||||
| -rw-r--r-- | diff.h | 1 | ||||
| -rwxr-xr-x | t/t4015-diff-whitespace.sh | 137 |
8 files changed, 171 insertions, 18 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt index 5d22b7b58c..9ecc1d7bc4 100644 --- a/Documentation/diff-options.txt +++ b/Documentation/diff-options.txt @@ -93,7 +93,9 @@ endif::git-format-patch[] --check:: Warn if changes introduce trailing whitespace - or an indent that uses a space before a tab. + or an indent that uses a space before a tab. Exits with + non-zero status if problems are found. Not compatible with + --exit-code. --full-index:: Instead of the first handful characters, show full diff --git a/builtin-diff-files.c b/builtin-diff-files.c index 046b7e34b5..4afc8724e7 100644 --- a/builtin-diff-files.c +++ b/builtin-diff-files.c @@ -33,5 +33,7 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix) result = run_diff_files_cmd(&rev, argc, argv); if (DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS)) return DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES) != 0; + if (rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF) + return DIFF_OPT_TST(&rev.diffopt, CHECK_FAILED) != 0; return result; } diff --git a/builtin-diff-index.c b/builtin-diff-index.c index 556c506bfa..532b284b10 100644 --- a/builtin-diff-index.c +++ b/builtin-diff-index.c @@ -46,5 +46,7 @@ int cmd_diff_index(int argc, const char **argv, const char *prefix) result = run_diff_index(&rev, cached); if (DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS)) return DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES) != 0; + if (rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF) + return DIFF_OPT_TST(&rev.diffopt, CHECK_FAILED) != 0; return result; } diff --git a/builtin-diff-tree.c b/builtin-diff-tree.c index 2e13716eec..9ab90cb4c5 100644 --- a/builtin-diff-tree.c +++ b/builtin-diff-tree.c @@ -117,23 +117,23 @@ int cmd_diff_tree(int argc, const char **argv, const char *prefix) break; } - if (!read_stdin) - return DIFF_OPT_TST(&opt->diffopt, EXIT_WITH_STATUS) - && DIFF_OPT_TST(&opt->diffopt, HAS_CHANGES); + if (read_stdin) { + if (opt->diffopt.detect_rename) + opt->diffopt.setup |= (DIFF_SETUP_USE_SIZE_CACHE | + DIFF_SETUP_USE_CACHE); + while (fgets(line, sizeof(line), stdin)) { + unsigned char sha1[20]; - if (opt->diffopt.detect_rename) - opt->diffopt.setup |= (DIFF_SETUP_USE_SIZE_CACHE | - DIFF_SETUP_USE_CACHE); - while (fgets(line, sizeof(line), stdin)) { - unsigned char sha1[20]; - - if (get_sha1_hex(line, sha1)) { - fputs(line, stdout); - fflush(stdout); + if (get_sha1_hex(line, sha1)) { + fputs(line, stdout); + fflush(stdout); + } + else + diff_tree_stdin(line); } - else - diff_tree_stdin(line); } + if (opt->diffopt.output_format & DIFF_FORMAT_CHECKDIFF) + return DIFF_OPT_TST(&opt->diffopt, CHECK_FAILED) != 0; return DIFF_OPT_TST(&opt->diffopt, EXIT_WITH_STATUS) && DIFF_OPT_TST(&opt->diffopt, HAS_CHANGES); } diff --git a/builtin-diff.c b/builtin-diff.c index 55fb84c730..9d878f6a71 100644 --- a/builtin-diff.c +++ b/builtin-diff.c @@ -247,7 +247,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix) /* If the user asked for our exit code then don't start a * pager or we would end up reporting its exit code instead. */ - if (!DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS)) + if (!DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS) && + (!(rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF))) setup_pager(); /* Do we have --cached and not have a pending object, then @@ -353,7 +354,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix) ent, ents); if (DIFF_OPT_TST(&rev.diffopt, EXIT_WITH_STATUS)) result = DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES) != 0; - + if (rev.diffopt.output_format & DIFF_FORMAT_CHECKDIFF) + return DIFF_OPT_TST(&rev.diffopt, CHECK_FAILED) != 0; if (1 < rev.diffopt.skip_stat_unmatch) refresh_index_quietly(); return result; @@ -1031,6 +1031,7 @@ struct checkdiff_t { const char *filename; int lineno, color_diff; unsigned ws_rule; + unsigned status; }; static void checkdiff_consume(void *priv, char *line, unsigned long len) @@ -1064,6 +1065,7 @@ static void checkdiff_consume(void *priv, char *line, unsigned long len) white_space_at_end = 1; if (space_before_tab || white_space_at_end) { + data->status = 1; printf("%s:%d: %s", data->filename, data->lineno, ws); if (space_before_tab) { printf("space before tab"); @@ -1491,6 +1493,8 @@ static void builtin_checkdiff(const char *name_a, const char *name_b, free_and_return: diff_free_filespec_data(one); diff_free_filespec_data(two); + if (data.status) + DIFF_OPT_SET(o, CHECK_FAILED); } struct diff_filespec *alloc_filespec(const char *path) @@ -2121,7 +2125,12 @@ int diff_setup_done(struct diff_options *options) if (options->output_format & DIFF_FORMAT_NAME_STATUS) count++; if (options->output_format & DIFF_FORMAT_CHECKDIFF) + { count++; + if (DIFF_OPT_TST(options, QUIET) || + DIFF_OPT_TST(options, EXIT_WITH_STATUS)) + die("--check may not be used with --quiet or --exit-code"); + } if (options->output_format & DIFF_FORMAT_NO_OUTPUT) count++; if (count > 1) @@ -59,6 +59,7 @@ typedef void (*diff_format_fn_t)(struct diff_queue_struct *q, #define DIFF_OPT_ALLOW_EXTERNAL (1 << 13) #define DIFF_OPT_EXIT_WITH_STATUS (1 << 14) #define DIFF_OPT_REVERSE_DIFF (1 << 15) +#define DIFF_OPT_CHECK_FAILED (1 << 16) #define DIFF_OPT_TST(opts, flag) ((opts)->flags & DIFF_OPT_##flag) #define DIFF_OPT_SET(opts, flag) ((opts)->flags |= DIFF_OPT_##flag) #define DIFF_OPT_CLR(opts, flag) ((opts)->flags &= ~DIFF_OPT_##flag) diff --git a/t/t4015-diff-whitespace.sh b/t/t4015-diff-whitespace.sh index 6adf9d11d0..dc538b3e33 100755 --- a/t/t4015-diff-whitespace.sh +++ b/t/t4015-diff-whitespace.sh @@ -117,7 +117,6 @@ EOF git diff -b > out test_expect_success 'another test, with -b' 'git diff expect out' - test_expect_success 'check mixed spaces and tabs in indent' ' # This is indented with SP HT SP. @@ -126,4 +125,140 @@ test_expect_success 'check mixed spaces and tabs in indent' ' ' +test_expect_success 'check with no whitespace errors' ' + + git commit -m "snapshot" && + echo "foo();" > x && + git diff --check + +' + +test_expect_failure 'check with trailing whitespace' ' + + echo "foo(); " > x && + git diff --check + +' + +test_expect_failure 'check with space before tab in indent' ' + + # indent has space followed by hard tab + echo " foo();" > x && + git diff --check + +' + +test_expect_failure '--check and --exit-code are exclusive' ' + + git checkout x && + git diff --check --exit-code + +' + +test_expect_failure '--check and --quiet are exclusive' ' + + git diff --check --quiet + +' + +test_expect_success 'check staged with no whitespace errors' ' + + echo "foo();" > x && + git add x && + git diff --cached --check + +' + +test_expect_failure 'check staged with trailing whitespace' ' + + echo "foo(); " > x && + git add x && + git diff --cached --check + +' + +test_expect_failure 'check staged with space before tab in indent' ' + + # indent has space followed by hard tab + echo " foo();" > x && + git add x && + git diff --cached --check + +' + +test_expect_success 'check with no whitespace errors (diff-index)' ' + + echo "foo();" > x && + git add x && + git diff-index --check HEAD + +' + +test_expect_failure 'check with trailing whitespace (diff-index)' ' + + echo "foo(); " > x && + git add x && + git diff-index --check HEAD + +' + +test_expect_failure 'check with space before tab in indent (diff-index)' ' + + # indent has space followed by hard tab + echo " foo();" > x && + git add x && + git diff-index --check HEAD + +' + +test_expect_success 'check staged with no whitespace errors (diff-index)' ' + + echo "foo();" > x && + git add x && + git diff-index --cached --check HEAD + +' + +test_expect_failure 'check staged with trailing whitespace (diff-index)' ' + + echo "foo(); " > x && + git add x && + git diff-index --cached --check HEAD + +' + +test_expect_failure 'check staged with space before tab in indent (diff-index)' ' + + # indent has space followed by hard tab + echo " foo();" > x && + git add x && + git diff-index --cached --check HEAD + +' + +test_expect_success 'check with no whitespace errors (diff-tree)' ' + + echo "foo();" > x && + git commit -m "new commit" x && + git diff-tree --check HEAD^ HEAD + +' + +test_expect_failure 'check with trailing whitespace (diff-tree)' ' + + echo "foo(); " > x && + git commit -m "another commit" x && + git diff-tree --check HEAD^ HEAD + +' + +test_expect_failure 'check with space before tab in indent (diff-tree)' ' + + # indent has space followed by hard tab + echo " foo();" > x && + git commit -m "yet another" x && + git diff-tree --check HEAD^ HEAD + +' + test_done |