diff options
author | Junio C Hamano <junkio@cox.net> | 2007-02-26 12:20:42 +0300 |
---|---|---|
committer | Junio C Hamano <junkio@cox.net> | 2007-02-26 12:20:42 +0300 |
commit | 048f48a2fdefdf71e7af19ec7111000ce2ebf52e (patch) | |
tree | ee91b56c9071972b1585fa65838da5748c0abfd9 /diff.c | |
parent | 646b3299613f0dd947557bc965660986d024322b (diff) | |
parent | c260d790c85c07a5f50235f664c36725deedfb10 (diff) |
Merge branch 'master' into js/diff-ni
* master: (201 commits)
Documentation: link in 1.5.0.2 material to the top documentation page.
Documentation: document remote.<name>.tagopt
GIT 1.5.0.2
git-remote: support remotes with a dot in the name
Documentation: describe "-f/-t/-m" options to "git-remote add"
diff --cc: fix display of symlink conflicts during a merge.
merge-recursive: fix longstanding bug in merging symlinks
merge-index: fix longstanding bug in merging symlinks
diff --cached: give more sensible error message when HEAD is yet to be created.
Update tests to use test-chmtime
Add test-chmtime: a utility to change mtime on files
Add Release Notes to prepare for 1.5.0.2
Allow arbitrary number of arguments to git-pack-objects
rerere: do not deal with symlinks.
rerere: do not skip two conflicted paths next to each other.
Don't modify CREDITS-FILE if it hasn't changed.
diff-patch: Avoid emitting double-slashes in textual patch.
Reword git-am 3-way fallback failure message.
Limit filename for format-patch
core.legacyheaders: Use the description used in RelNotes-1.5.0
...
Diffstat (limited to 'diff.c')
-rw-r--r-- | diff.c | 151 |
1 files changed, 100 insertions, 51 deletions
@@ -77,7 +77,7 @@ int git_diff_ui_config(const char *var, const char *value) diff_detect_rename_default = DIFF_DETECT_RENAME; return 0; } - if (!strncmp(var, "diff.color.", 11) || !strncmp(var, "color.diff.", 11)) { + if (!prefixcmp(var, "diff.color.") || !prefixcmp(var, "color.diff.")) { int slot = parse_diff_color_slot(var, 11); color_parse(value, var, diff_colors[slot]); return 0; @@ -184,31 +184,43 @@ static void print_line_count(int count) } } -static void copy_file(int prefix, const char *data, int size) +static void copy_file(int prefix, const char *data, int size, + const char *set, const char *reset) { int ch, nl_just_seen = 1; while (0 < size--) { ch = *data++; - if (nl_just_seen) + if (nl_just_seen) { + fputs(set, stdout); putchar(prefix); - putchar(ch); - if (ch == '\n') + } + if (ch == '\n') { nl_just_seen = 1; - else + fputs(reset, stdout); + } else nl_just_seen = 0; + putchar(ch); } if (!nl_just_seen) - printf("\n\\ No newline at end of file\n"); + printf("%s\n\\ No newline at end of file\n", reset); } static void emit_rewrite_diff(const char *name_a, const char *name_b, struct diff_filespec *one, - struct diff_filespec *two) + struct diff_filespec *two, + int color_diff) { int lc_a, lc_b; const char *name_a_tab, *name_b_tab; - + const char *metainfo = diff_get_color(color_diff, DIFF_METAINFO); + const char *fraginfo = diff_get_color(color_diff, DIFF_FRAGINFO); + const char *old = diff_get_color(color_diff, DIFF_FILE_OLD); + const char *new = diff_get_color(color_diff, DIFF_FILE_NEW); + const char *reset = diff_get_color(color_diff, DIFF_RESET); + + name_a += (*name_a == '/'); + name_b += (*name_b == '/'); name_a_tab = strchr(name_a, ' ') ? "\t" : ""; name_b_tab = strchr(name_b, ' ') ? "\t" : ""; @@ -216,17 +228,17 @@ static void emit_rewrite_diff(const char *name_a, diff_populate_filespec(two, 0); lc_a = count_lines(one->data, one->size); lc_b = count_lines(two->data, two->size); - printf("--- a/%s%s\n+++ b/%s%s\n@@ -", - name_a, name_a_tab, - name_b, name_b_tab); + printf("%s--- a/%s%s%s\n%s+++ b/%s%s%s\n%s@@ -", + metainfo, name_a, name_a_tab, reset, + metainfo, name_b, name_b_tab, reset, fraginfo); print_line_count(lc_a); printf(" +"); print_line_count(lc_b); - printf(" @@\n"); + printf(" @@%s\n", reset); if (lc_a) - copy_file('-', one->data, one->size); + copy_file('-', one->data, one->size, old, reset); if (lc_b) - copy_file('+', two->data, two->size); + copy_file('+', two->data, two->size, new, reset); } static int fill_mmfile(mmfile_t *mf, struct diff_filespec *one) @@ -405,22 +417,16 @@ static void emit_line(const char *set, const char *reset, const char *line, int puts(reset); } -static void emit_add_line(const char *reset, struct emit_callback *ecbdata, const char *line, int len) +static void emit_line_with_ws(int nparents, + const char *set, const char *reset, const char *ws, + const char *line, int len) { - int col0 = ecbdata->nparents; + int col0 = nparents; int last_tab_in_indent = -1; int last_space_in_indent = -1; int i; int tail = len; int need_highlight_leading_space = 0; - const char *ws = diff_get_color(ecbdata->color_diff, DIFF_WHITESPACE); - const char *set = diff_get_color(ecbdata->color_diff, DIFF_FILE_NEW); - - if (!*ws) { - emit_line(set, reset, line, len); - return; - } - /* The line is a newly added line. Does it have funny leading * whitespaces? In indent, SP should never precede a TAB. */ @@ -475,6 +481,18 @@ static void emit_add_line(const char *reset, struct emit_callback *ecbdata, cons emit_line(set, reset, line + i, len - i); } +static void emit_add_line(const char *reset, struct emit_callback *ecbdata, const char *line, int len) +{ + const char *ws = diff_get_color(ecbdata->color_diff, DIFF_WHITESPACE); + const char *set = diff_get_color(ecbdata->color_diff, DIFF_FILE_NEW); + + if (!*ws) + emit_line(set, reset, line, len); + else + emit_line_with_ws(ecbdata->nparents, set, reset, ws, + line, len); +} + static void fn_out_consume(void *priv, char *line, unsigned long len) { int i; @@ -884,30 +902,44 @@ static void show_numstat(struct diffstat_t* data, struct diff_options *options) struct checkdiff_t { struct xdiff_emit_state xm; const char *filename; - int lineno; + int lineno, color_diff; }; static void checkdiff_consume(void *priv, char *line, unsigned long len) { struct checkdiff_t *data = priv; + const char *ws = diff_get_color(data->color_diff, DIFF_WHITESPACE); + const char *reset = diff_get_color(data->color_diff, DIFF_RESET); + const char *set = diff_get_color(data->color_diff, DIFF_FILE_NEW); if (line[0] == '+') { - int i, spaces = 0; + int i, spaces = 0, space_before_tab = 0, white_space_at_end = 0; /* check space before tab */ for (i = 1; i < len && (line[i] == ' ' || line[i] == '\t'); i++) if (line[i] == ' ') spaces++; if (line[i - 1] == '\t' && spaces) - printf("%s:%d: space before tab:%.*s\n", - data->filename, data->lineno, (int)len, line); + space_before_tab = 1; /* check white space at line end */ if (line[len - 1] == '\n') len--; if (isspace(line[len - 1])) - printf("%s:%d: white space at end: %.*s\n", - data->filename, data->lineno, (int)len, line); + white_space_at_end = 1; + + if (space_before_tab || white_space_at_end) { + printf("%s:%d: %s", data->filename, data->lineno, ws); + if (space_before_tab) { + printf("space before tab"); + if (white_space_at_end) + putchar(','); + } + if (white_space_at_end) + printf("white space at end"); + printf(":%s ", reset); + emit_line_with_ws(1, set, reset, ws, line, len); + } data->lineno++; } else if (line[0] == ' ') @@ -1034,8 +1066,8 @@ static void builtin_diff(const char *name_a, const char *set = diff_get_color(o->color_diff, DIFF_METAINFO); const char *reset = diff_get_color(o->color_diff, DIFF_RESET); - a_one = quote_two("a/", name_a); - b_two = quote_two("b/", name_b); + a_one = quote_two("a/", name_a + (*name_a == '/')); + b_two = quote_two("b/", name_b + (*name_b == '/')); lbl[0] = DIFF_FILE_VALID(one) ? a_one : "/dev/null"; lbl[1] = DIFF_FILE_VALID(two) ? b_two : "/dev/null"; printf("%sdiff --git %s %s%s\n", set, a_one, b_two, reset); @@ -1064,7 +1096,8 @@ static void builtin_diff(const char *name_a, if ((one->mode ^ two->mode) & S_IFMT) goto free_ab_and_return; if (complete_rewrite) { - emit_rewrite_diff(name_a, name_b, one, two); + emit_rewrite_diff(name_a, name_b, one, two, + o->color_diff); goto free_ab_and_return; } } @@ -1099,9 +1132,9 @@ static void builtin_diff(const char *name_a, xecfg.flags = XDL_EMIT_FUNCNAMES; if (!diffopts) ; - else if (!strncmp(diffopts, "--unified=", 10)) + else if (!prefixcmp(diffopts, "--unified=")) xecfg.ctxlen = strtoul(diffopts + 10, NULL, 10); - else if (!strncmp(diffopts, "-u", 2)) + else if (!prefixcmp(diffopts, "-u")) xecfg.ctxlen = strtoul(diffopts + 2, NULL, 10); ecb.outf = xdiff_outf; ecb.priv = &ecbdata; @@ -1165,7 +1198,7 @@ static void builtin_diffstat(const char *name_a, const char *name_b, static void builtin_checkdiff(const char *name_a, const char *name_b, struct diff_filespec *one, - struct diff_filespec *two) + struct diff_filespec *two, struct diff_options *o) { mmfile_t mf1, mf2; struct checkdiff_t data; @@ -1177,6 +1210,7 @@ static void builtin_checkdiff(const char *name_a, const char *name_b, data.xm.consume = checkdiff_consume; data.filename = name_b ? name_b : name_a; data.lineno = 0; + data.color_diff = o->color_diff; if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0) die("unable to read files to diff"); @@ -1346,6 +1380,9 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only) reuse_worktree_file(s->path, s->sha1, 0)) { struct stat st; int fd; + char *buf; + unsigned long size; + if (lstat(s->path, &st) < 0) { if (errno == ENOENT) { err_empty: @@ -1378,7 +1415,19 @@ int diff_populate_filespec(struct diff_filespec *s, int size_only) s->data = xmmap(NULL, s->size, PROT_READ, MAP_PRIVATE, fd, 0); close(fd); s->should_munmap = 1; - /* FIXME! CRLF -> LF conversion goes here, based on "s->path" */ + + /* + * Convert from working tree format to canonical git format + */ + buf = s->data; + size = s->size; + if (convert_to_git(s->path, &buf, &size)) { + munmap(s->data, s->size); + s->should_munmap = 0; + s->data = buf; + s->size = size; + s->should_free = 1; + } } else { char type[20]; @@ -1787,7 +1836,7 @@ static void run_checkdiff(struct diff_filepair *p, struct diff_options *o) diff_fill_sha1_info(p->one); diff_fill_sha1_info(p->two); - builtin_checkdiff(name, other, p->one, p->two); + builtin_checkdiff(name, other, p->one, p->two, o); } void diff_setup(struct diff_options *options) @@ -1936,7 +1985,7 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) else if (!strcmp(arg, "--shortstat")) { options->output_format |= DIFF_FORMAT_SHORTSTAT; } - else if (!strncmp(arg, "--stat", 6)) { + else if (!prefixcmp(arg, "--stat")) { char *end; int width = options->stat_width; int name_width = options->stat_name_width; @@ -1945,9 +1994,9 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) switch (*arg) { case '-': - if (!strncmp(arg, "-width=", 7)) + if (!prefixcmp(arg, "-width=")) width = strtoul(arg + 7, &end, 10); - else if (!strncmp(arg, "-name-width=", 12)) + else if (!prefixcmp(arg, "-name-width=")) name_width = strtoul(arg + 12, &end, 10); break; case '=': @@ -1972,7 +2021,7 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) } else if (!strcmp(arg, "-z")) options->line_termination = 0; - else if (!strncmp(arg, "-l", 2)) + else if (!prefixcmp(arg, "-l")) options->rename_limit = strtoul(arg+2, NULL, 10); else if (!strcmp(arg, "--full-index")) options->full_index = 1; @@ -1989,31 +2038,31 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) options->output_format |= DIFF_FORMAT_NAME_STATUS; else if (!strcmp(arg, "-R")) options->reverse_diff = 1; - else if (!strncmp(arg, "-S", 2)) + else if (!prefixcmp(arg, "-S")) options->pickaxe = arg + 2; else if (!strcmp(arg, "-s")) { options->output_format |= DIFF_FORMAT_NO_OUTPUT; } - else if (!strncmp(arg, "-O", 2)) + else if (!prefixcmp(arg, "-O")) options->orderfile = arg + 2; - else if (!strncmp(arg, "--diff-filter=", 14)) + else if (!prefixcmp(arg, "--diff-filter=")) options->filter = arg + 14; else if (!strcmp(arg, "--pickaxe-all")) options->pickaxe_opts = DIFF_PICKAXE_ALL; else if (!strcmp(arg, "--pickaxe-regex")) options->pickaxe_opts = DIFF_PICKAXE_REGEX; - else if (!strncmp(arg, "-B", 2)) { + else if (!prefixcmp(arg, "-B")) { if ((options->break_opt = diff_scoreopt_parse(arg)) == -1) return -1; } - else if (!strncmp(arg, "-M", 2)) { + else if (!prefixcmp(arg, "-M")) { if ((options->rename_score = diff_scoreopt_parse(arg)) == -1) return -1; options->detect_rename = DIFF_DETECT_RENAME; } - else if (!strncmp(arg, "-C", 2)) { + else if (!prefixcmp(arg, "-C")) { if ((options->rename_score = diff_scoreopt_parse(arg)) == -1) return -1; @@ -2023,7 +2072,7 @@ int diff_opt_parse(struct diff_options *options, const char **av, int ac) options->find_copies_harder = 1; else if (!strcmp(arg, "--abbrev")) options->abbrev = DEFAULT_ABBREV; - else if (!strncmp(arg, "--abbrev=", 9)) { + else if (!prefixcmp(arg, "--abbrev=")) { options->abbrev = strtoul(arg + 9, NULL, 10); if (options->abbrev < MINIMUM_ABBREV) options->abbrev = MINIMUM_ABBREV; @@ -2533,7 +2582,7 @@ static void patch_id_consume(void *priv, char *line, unsigned long len) int new_len; /* Ignore line numbers when computing the SHA1 of the patch */ - if (!strncmp(line, "@@ -", 4)) + if (!prefixcmp(line, "@@ -")) return; new_len = remove_space(line, len); |