diff options
| -rw-r--r-- | diff-no-index.c | 83 | ||||
| -rw-r--r-- | diff.c | 21 | ||||
| -rw-r--r-- | diffcore.h | 1 | ||||
| -rwxr-xr-x | t/t7501-commit.sh | 12 |
4 files changed, 67 insertions, 50 deletions
diff --git a/diff-no-index.c b/diff-no-index.c index beec49b5a..7d805a06a 100644 --- a/diff-no-index.c +++ b/diff-no-index.c @@ -32,6 +32,13 @@ static int read_directory(const char *path, struct string_list *list) return 0; } +/* + * This should be "(standard input)" or something, but it will + * probably expose many more breakages in the way no-index code + * is bolted onto the diff callchain. + */ +static const char file_from_standard_input[] = "-"; + static int get_mode(const char *path, int *mode) { struct stat st; @@ -42,7 +49,7 @@ static int get_mode(const char *path, int *mode) else if (!strcasecmp(path, "nul")) *mode = 0; #endif - else if (!strcmp(path, "-")) + else if (path == file_from_standard_input) *mode = create_ce_mode(0666); else if (lstat(path, &st)) return error("Could not access '%s'", path); @@ -51,6 +58,36 @@ static int get_mode(const char *path, int *mode) return 0; } +static int populate_from_stdin(struct diff_filespec *s) +{ + struct strbuf buf = STRBUF_INIT; + size_t size = 0; + + if (strbuf_read(&buf, 0, 0) < 0) + return error("error while reading from stdin %s", + strerror(errno)); + + s->should_munmap = 0; + s->data = strbuf_detach(&buf, &size); + s->size = size; + s->should_free = 1; + s->is_stdin = 1; + return 0; +} + +static struct diff_filespec *noindex_filespec(const char *name, int mode) +{ + struct diff_filespec *s; + + if (!name) + name = "/dev/null"; + s = alloc_filespec(name); + fill_filespec(s, null_sha1, mode); + if (name == file_from_standard_input) + populate_from_stdin(s); + return s; +} + static int queue_diff(struct diff_options *o, const char *name1, const char *name2) { @@ -137,15 +174,8 @@ static int queue_diff(struct diff_options *o, tmp_c = name1; name1 = name2; name2 = tmp_c; } - if (!name1) - name1 = "/dev/null"; - if (!name2) - name2 = "/dev/null"; - d1 = alloc_filespec(name1); - d2 = alloc_filespec(name2); - fill_filespec(d1, null_sha1, mode1); - fill_filespec(d2, null_sha1, mode2); - + d1 = noindex_filespec(name1, mode1); + d2 = noindex_filespec(name2, mode2); diff_queue(&diff_queued_diff, d1, d2); return 0; } @@ -155,9 +185,10 @@ void diff_no_index(struct rev_info *revs, int argc, const char **argv, int nongit, const char *prefix) { - int i; + int i, prefixlen; int no_index = 0; unsigned options = 0; + const char *paths[2]; /* Were we asked to do --no-index explicitly? */ for (i = 1; i < argc; i++) { @@ -207,26 +238,19 @@ void diff_no_index(struct rev_info *revs, } } - if (prefix) { - int len = strlen(prefix); - const char *paths[3]; - memset(paths, 0, sizeof(paths)); - - for (i = 0; i < 2; i++) { - const char *p = argv[argc - 2 + i]; + prefixlen = prefix ? strlen(prefix) : 0; + for (i = 0; i < 2; i++) { + const char *p = argv[argc - 2 + i]; + if (!strcmp(p, "-")) /* - * stdin should be spelled as '-'; if you have - * path that is '-', spell it as ./-. + * stdin should be spelled as "-"; if you have + * path that is "-", spell it as "./-". */ - p = (strcmp(p, "-") - ? xstrdup(prefix_filename(prefix, len, p)) - : p); - paths[i] = p; - } - diff_tree_setup_paths(paths, &revs->diffopt); + p = file_from_standard_input; + else if (prefixlen) + p = xstrdup(prefix_filename(prefix, prefixlen, p)); + paths[i] = p; } - else - diff_tree_setup_paths(argv + argc - 2, &revs->diffopt); revs->diffopt.skip_stat_unmatch = 1; if (!revs->diffopt.output_format) revs->diffopt.output_format = DIFF_FORMAT_PATCH; @@ -240,8 +264,7 @@ void diff_no_index(struct rev_info *revs, setup_diff_pager(&revs->diffopt); DIFF_OPT_SET(&revs->diffopt, EXIT_WITH_STATUS); - if (queue_diff(&revs->diffopt, revs->diffopt.pathspec.raw[0], - revs->diffopt.pathspec.raw[1])) + if (queue_diff(&revs->diffopt, paths[0], paths[1])) exit(1); diff_set_mnemonic_prefix(&revs->diffopt, "1/", "2/"); diffcore_std(&revs->diffopt); @@ -2619,22 +2619,6 @@ static int reuse_worktree_file(const char *name, const unsigned char *sha1, int return 0; } -static int populate_from_stdin(struct diff_filespec *s) -{ - struct strbuf buf = STRBUF_INIT; - size_t size = 0; - - if (strbuf_read(&buf, 0, 0) < 0) - return error("error while reading from stdin %s", - strerror(errno)); - - s->should_munmap = 0; - s->data = strbuf_detach(&buf, &size); - s->size = size; - s->should_free = 1; - return 0; -} - static int diff_populate_gitlink(struct diff_filespec *s, int size_only) { int len; @@ -2684,9 +2668,6 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only) struct stat st; int fd; - if (!strcmp(s->path, "-")) - return populate_from_stdin(s); - if (lstat(s->path, &st) < 0) { if (errno == ENOENT) { err_empty: @@ -3048,7 +3029,7 @@ static void diff_fill_sha1_info(struct diff_filespec *one) if (DIFF_FILE_VALID(one)) { if (!one->sha1_valid) { struct stat st; - if (!strcmp(one->path, "-")) { + if (one->is_stdin) { hashcpy(one->sha1, null_sha1); return; } diff --git a/diffcore.h b/diffcore.h index 8f32b824c..be0739c5c 100644 --- a/diffcore.h +++ b/diffcore.h @@ -43,6 +43,7 @@ struct diff_filespec { unsigned should_free : 1; /* data should be free()'ed */ unsigned should_munmap : 1; /* data should be munmap()'ed */ unsigned dirty_submodule : 2; /* For submodules: its work tree is dirty */ + unsigned is_stdin : 1; #define DIRTY_SUBMODULE_UNTRACKED 1 #define DIRTY_SUBMODULE_MODIFIED 2 unsigned has_more_entries : 1; /* only appear in combined diff */ diff --git a/t/t7501-commit.sh b/t/t7501-commit.sh index b20ca0eac..676da85b5 100755 --- a/t/t7501-commit.sh +++ b/t/t7501-commit.sh @@ -487,4 +487,16 @@ test_expect_success 'amend can copy notes' ' ' +test_expect_success 'commit a file whose name is a dash' ' + git reset --hard && + for i in 1 2 3 4 5 + do + echo $i + done >./- && + git add ./- && + test_tick && + git commit -m "add dash" >output </dev/null && + test_i18ngrep " changed, 5 insertions" output +' + test_done |