* GNU General Public License for more details.
*/
-#ifndef VERSION
-#define VERSION "tig-0.6.git"
+#ifndef VERSION
+#define VERSION "unknown-version"
#endif
#ifndef DEBUG
/* XXX: Needs to be defined to the empty string. */
#define TIG_HELP_CMD ""
#define TIG_PAGER_CMD ""
+#define TIG_STATUS_CMD ""
/* Some ascii-shorthands fitted into the ncurses namespace. */
#define KEY_TAB '\t'
/* Shorthands for safely copying into a fixed buffer. */
#define string_copy(dst, src) \
- string_ncopy_do(dst, sizeof(dst), src, sizeof(dst))
+ string_ncopy_do(dst, sizeof(dst), src, sizeof(src))
#define string_ncopy(dst, src, srclen) \
string_ncopy_do(dst, sizeof(dst), src, srclen)
#define string_copy_rev(dst, src) \
string_ncopy_do(dst, SIZEOF_REV, src, SIZEOF_REV - 1)
+#define string_add(dst, from, src) \
+ string_ncopy_do(dst + (from), sizeof(dst) - (from), src, sizeof(src))
+
static char *
chomp_string(char *name)
{
REQ_(VIEW_BLOB, "Show blob view"), \
REQ_(VIEW_HELP, "Show help page"), \
REQ_(VIEW_PAGER, "Show pager view"), \
+ REQ_(VIEW_STATUS, "Show status view"), \
\
REQ_GROUP("View manipulation") \
REQ_(ENTER, "Enter current line and scroll"), \
*/
static const char usage[] =
-VERSION " (" __DATE__ ")\n"
+"tig " VERSION " (" __DATE__ ")\n"
"\n"
"Usage: tig [options]\n"
" or: tig [options] [--] [git log options]\n"
"Options:\n"
" -l Start up in log view\n"
" -d Start up in diff view\n"
+" -S Start up in status view\n"
" -n[I], --line-number[=I] Show line numbers with given interval\n"
" -b[N], --tab-size[=N] Set number of spaces for tab expansion\n"
" -- Mark end of tig options\n"
static char opt_codeset[20] = "UTF-8";
static iconv_t opt_iconv = ICONV_NONE;
static char opt_search[SIZEOF_STR] = "";
+static char opt_cdup[SIZEOF_STR] = "";
enum option_type {
OPT_NONE,
continue;
}
+ if (!strcmp(opt, "-S")) {
+ opt_request = REQ_VIEW_STATUS;
+ break;
+ }
+
if (check_option(opt, 'n', "line-number", OPT_INT, &opt_num_interval)) {
opt_line_number = TRUE;
continue;
LINE(MAIN_REMOTE, "", COLOR_YELLOW, COLOR_DEFAULT, A_BOLD), \
LINE(MAIN_REF, "", COLOR_CYAN, COLOR_DEFAULT, A_BOLD), \
LINE(TREE_DIR, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
-LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL)
+LINE(TREE_FILE, "", COLOR_DEFAULT, COLOR_DEFAULT, A_NORMAL), \
+LINE(STAT_SECTION, "", COLOR_DEFAULT, COLOR_BLUE, A_BOLD), \
+LINE(STAT_NONE, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \
+LINE(STAT_STAGED, "", COLOR_CYAN, COLOR_DEFAULT, 0), \
+LINE(STAT_UNSTAGED,"", COLOR_YELLOW, COLOR_DEFAULT, 0), \
+LINE(STAT_UNTRACKED,"", COLOR_MAGENTA, COLOR_DEFAULT, 0)
enum line_type {
#define LINE(type, line, fg, bg, attr) \
{ 'f', REQ_VIEW_BLOB },
{ 'p', REQ_VIEW_PAGER },
{ 'h', REQ_VIEW_HELP },
+ { 'S', REQ_VIEW_STATUS },
/* View manipulation */
{ 'q', REQ_VIEW_CLOSE },
KEYMAP_(TREE), \
KEYMAP_(BLOB), \
KEYMAP_(PAGER), \
- KEYMAP_(HELP) \
+ KEYMAP_(HELP), \
+ KEYMAP_(STATUS)
enum keymap {
#define KEYMAP_(name) KEYMAP_##name
break;
}
default:
- string_copy(opt_encoding, arg);
+ string_ncopy(opt_encoding, arg, strlen(arg));
return OK;
}
}
static struct view_ops tree_ops;
static struct view_ops blob_ops;
static struct view_ops help_ops;
+static struct view_ops status_ops;
#define VIEW_STR(name, cmd, env, ref, ops, map) \
{ name, cmd, #env, ref, ops, map}
static struct view views[] = {
- VIEW_(MAIN, "main", &main_ops, ref_head),
- VIEW_(DIFF, "diff", &pager_ops, ref_commit),
- VIEW_(LOG, "log", &pager_ops, ref_head),
- VIEW_(TREE, "tree", &tree_ops, ref_commit),
- VIEW_(BLOB, "blob", &blob_ops, ref_blob),
- VIEW_(HELP, "help", &help_ops, ""),
- VIEW_(PAGER, "pager", &pager_ops, ""),
+ VIEW_(MAIN, "main", &main_ops, ref_head),
+ VIEW_(DIFF, "diff", &pager_ops, ref_commit),
+ VIEW_(LOG, "log", &pager_ops, ref_head),
+ VIEW_(TREE, "tree", &tree_ops, ref_commit),
+ VIEW_(BLOB, "blob", &blob_ops, ref_blob),
+ VIEW_(HELP, "help", &help_ops, ""),
+ VIEW_(PAGER, "pager", &pager_ops, ""),
+ VIEW_(STATUS, "status", &status_ops, ""),
};
#define VIEW(req) (&views[(req) - REQ_OFFSET - 1])
static bool
begin_update(struct view *view)
{
- const char *id = view->id;
-
if (view->pipe)
end_update(view);
else if (sq_quote(path, 0, opt_path) >= sizeof(path))
return FALSE;
- if (!string_format(view->cmd, format, id, path))
+ if (!string_format(view->cmd, format, view->id, path))
return FALSE;
} else {
const char *format = view->cmd_env ? view->cmd_env : view->cmd_fmt;
+ const char *id = view->id;
if (!string_format(view->cmd, format, id, id, id, id, id))
return FALSE;
* member. This is needed by the blob view. Most other
* views sets it automatically after loading because the
* first line is a commit line. */
- string_copy(view->ref, id);
+ string_copy_rev(view->ref, view->id);
}
/* Special case for the pager view. */
view->offset = 0;
view->lines = 0;
view->lineno = 0;
- string_copy_rev(view->vid, id);
+ string_copy_rev(view->vid, view->id);
if (view->line) {
int i;
case REQ_VIEW_LOG:
case REQ_VIEW_TREE:
case REQ_VIEW_HELP:
+ case REQ_VIEW_STATUS:
open_view(view, request, OPEN_DEFAULT);
break;
break;
case REQ_SHOW_VERSION:
- report("%s (built %s)", VERSION, __DATE__);
+ report("tig-%s (built %s)", VERSION, __DATE__);
return TRUE;
case REQ_SCREEN_RESIZE:
/*
+ * Status backend
+ */
+
+struct status {
+ char status;
+ struct {
+ mode_t mode;
+ char rev[SIZEOF_REV];
+ } old;
+ struct {
+ mode_t mode;
+ char rev[SIZEOF_REV];
+ } new;
+ char name[SIZEOF_STR];
+};
+
+/* Get fields from the diff line:
+ * :100644 100644 06a5d6ae9eca55be2e0e585a152e6b1336f2b20e 0000000000000000000000000000000000000000 M
+ */
+static inline bool
+status_get_diff(struct status *file, char *buf, size_t bufsize)
+{
+ char *old_mode = buf + 1;
+ char *new_mode = buf + 8;
+ char *old_rev = buf + 15;
+ char *new_rev = buf + 56;
+ char *status = buf + 97;
+
+ if (bufsize != 99 ||
+ old_mode[-1] != ':' ||
+ new_mode[-1] != ' ' ||
+ old_rev[-1] != ' ' ||
+ new_rev[-1] != ' ' ||
+ status[-1] != ' ')
+ return FALSE;
+
+ file->status = *status;
+
+ string_copy_rev(file->old.rev, old_rev);
+ string_copy_rev(file->new.rev, new_rev);
+
+ file->old.mode = strtoul(old_mode, NULL, 8);
+ file->new.mode = strtoul(new_mode, NULL, 8);
+
+ file->name[0] = 0;
+
+ return TRUE;
+}
+
+static bool
+status_run(struct view *view, const char cmd[], bool diff, enum line_type type)
+{
+ struct status *file = NULL;
+ char buf[SIZEOF_STR * 4];
+ size_t bufsize = 0;
+ FILE *pipe;
+
+ pipe = popen(cmd, "r");
+ if (!pipe)
+ return FALSE;
+
+ add_line_data(view, NULL, type);
+
+ while (!feof(pipe) && !ferror(pipe)) {
+ char *sep;
+ size_t readsize;
+
+ readsize = fread(buf + bufsize, 1, sizeof(buf) - bufsize, pipe);
+ if (!readsize)
+ break;
+ bufsize += readsize;
+
+ /* Process while we have NUL chars. */
+ while ((sep = memchr(buf, 0, bufsize))) {
+ size_t sepsize = sep - buf + 1;
+
+ if (!file) {
+ if (!realloc_lines(view, view->line_size + 1))
+ goto error_out;
+
+ file = calloc(1, sizeof(*file));
+ if (!file)
+ goto error_out;
+
+ add_line_data(view, file, type);
+ }
+
+ /* Parse diff info part. */
+ if (!diff) {
+ file->status = '?';
+
+ } else if (!file->status) {
+ if (!status_get_diff(file, buf, sepsize))
+ goto error_out;
+
+ bufsize -= sepsize;
+ memmove(buf, sep + 1, bufsize);
+
+ sep = memchr(buf, 0, bufsize);
+ if (!sep)
+ break;
+ sepsize = sep - buf + 1;
+ }
+
+ /* git-ls-files just delivers a NUL separated
+ * list of file names similar to the second half
+ * of the git-diff-* output. */
+ string_ncopy(file->name, buf, sepsize);
+ bufsize -= sepsize;
+ memmove(buf, sep + 1, bufsize);
+ file = NULL;
+ }
+ }
+
+ if (ferror(pipe)) {
+error_out:
+ pclose(pipe);
+ return FALSE;
+ }
+
+ if (!view->line[view->lines - 1].data)
+ add_line_data(view, NULL, LINE_STAT_NONE);
+
+ pclose(pipe);
+ return TRUE;
+}
+
+#define STATUS_DIFF_INDEX_CMD "git diff-index -z --cached HEAD"
+#define STATUS_DIFF_FILES_CMD "git diff-files -z"
+#define STATUS_LIST_OTHER_CMD \
+ "_git_exclude=$(git rev-parse --git-dir)/info/exclude;" \
+ "test -f \"$_git_exclude\" && exclude=\"--exclude-from=$_git_exclude\";" \
+ "git ls-files -z --others --exclude-per-directory=.gitignore \"$exclude\"" \
+
+/* First parse staged info using git-diff-index(1), then parse unstaged
+ * info using git-diff-files(1), and finally untracked files using
+ * git-ls-files(1). */
+static bool
+status_open(struct view *view)
+{
+ size_t i;
+
+ for (i = 0; i < view->lines; i++)
+ free(view->line[i].data);
+ free(view->line);
+ view->lines = view->line_size = 0;
+ view->line = NULL;
+
+ if (!realloc_lines(view, view->line_size + 6))
+ return FALSE;
+
+ if (!status_run(view, STATUS_DIFF_INDEX_CMD, TRUE, LINE_STAT_STAGED) ||
+ !status_run(view, STATUS_DIFF_FILES_CMD, TRUE, LINE_STAT_UNSTAGED) ||
+ !status_run(view, STATUS_LIST_OTHER_CMD, FALSE, LINE_STAT_UNTRACKED))
+ return FALSE;
+
+ return TRUE;
+}
+
+static bool
+status_draw(struct view *view, struct line *line, unsigned int lineno, bool selected)
+{
+ struct status *status = line->data;
+
+ wmove(view->win, lineno, 0);
+
+ if (selected) {
+ wattrset(view->win, get_line_attr(LINE_CURSOR));
+ wchgat(view->win, -1, 0, LINE_CURSOR, NULL);
+
+ } else if (!status && line->type != LINE_STAT_NONE) {
+ wattrset(view->win, get_line_attr(LINE_STAT_SECTION));
+ wchgat(view->win, -1, 0, LINE_STAT_SECTION, NULL);
+
+ } else {
+ wattrset(view->win, get_line_attr(line->type));
+ }
+
+ if (!status) {
+ char *text;
+
+ switch (line->type) {
+ case LINE_STAT_STAGED:
+ text = "Changes to be committed:";
+ break;
+
+ case LINE_STAT_UNSTAGED:
+ text = "Changed but not updated:";
+ break;
+
+ case LINE_STAT_UNTRACKED:
+ text = "Untracked files:";
+ break;
+
+ case LINE_STAT_NONE:
+ text = " (no files)";
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ waddstr(view->win, text);
+ return TRUE;
+ }
+
+ waddch(view->win, status->status);
+ if (!selected)
+ wattrset(view->win, A_NORMAL);
+ wmove(view->win, lineno, 4);
+ waddstr(view->win, status->name);
+
+ return TRUE;
+}
+
+static bool
+status_enter(struct view *view, struct line *line)
+{
+ struct status *status = line->data;
+ char cmd[SIZEOF_STR];
+ char buf[SIZEOF_STR];
+ size_t cmdsize = 0;
+ size_t bufsize = 0;
+ size_t written = 0;
+ FILE *pipe;
+
+ if (!status)
+ return TRUE;
+
+ if (opt_cdup[0] &&
+ line->type != LINE_STAT_UNTRACKED &&
+ !string_format_from(cmd, &cmdsize, "cd %s;", opt_cdup))
+ return FALSE;
+
+ switch (line->type) {
+ case LINE_STAT_STAGED:
+ if (!string_format_from(buf, &bufsize, "%06o %s\t%s%c",
+ status->old.mode,
+ status->old.rev,
+ status->name, 0))
+ return FALSE;
+
+ string_add(cmd, cmdsize, "git update-index -z --index-info");
+ break;
+
+ case LINE_STAT_UNSTAGED:
+ case LINE_STAT_UNTRACKED:
+ if (!string_format_from(buf, &bufsize, "%s%c", status->name, 0))
+ return FALSE;
+
+ string_add(cmd, cmdsize, "git update-index -z --add --remove --stdin");
+ break;
+
+ default:
+ die("w00t");
+ }
+
+ pipe = popen(cmd, "w");
+ if (!pipe)
+ return FALSE;
+
+ while (!ferror(pipe) && written < bufsize) {
+ written += fwrite(buf + written, 1, bufsize - written, pipe);
+ }
+
+ pclose(pipe);
+
+ if (written != bufsize)
+ return FALSE;
+
+ open_view(view, REQ_VIEW_STATUS, OPEN_RELOAD);
+ return TRUE;
+}
+
+static void
+status_select(struct view *view, struct line *line)
+{
+ char *text;
+
+ switch (line->type) {
+ case LINE_STAT_STAGED:
+ text = "Press Enter to unstage file for commit";
+ break;
+
+ case LINE_STAT_UNSTAGED:
+ text = "Press Enter to stage file for commit ";
+ break;
+
+ case LINE_STAT_UNTRACKED:
+ text = "Press Enter to stage file for addition";
+ break;
+
+ case LINE_STAT_NONE:
+ return;
+
+ default:
+ die("w00t");
+ }
+
+ string_ncopy(view->ref, text, strlen(text));
+}
+
+static bool
+status_grep(struct view *view, struct line *line)
+{
+ struct status *status = line->data;
+ enum { S_STATUS, S_NAME, S_END } state;
+ char buf[2] = "?";
+ regmatch_t pmatch;
+
+ if (!status)
+ return FALSE;
+
+ for (state = S_STATUS; state < S_END; state++) {
+ char *text;
+
+ switch (state) {
+ case S_NAME: text = status->name; break;
+ case S_STATUS:
+ buf[0] = status->status;
+ text = buf;
+ break;
+
+ default:
+ return FALSE;
+ }
+
+ if (regexec(view->regex, text, 1, &pmatch, 0) != REG_NOMATCH)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static struct view_ops status_ops = {
+ "file",
+ status_open,
+ NULL,
+ status_draw,
+ status_enter,
+ status_grep,
+ status_select,
+};
+
+
+/*
* Revision graph
*/
return;
if (graph->size < SIZEOF_REVITEMS) {
- string_ncopy(graph->rev[graph->size++], parent, SIZEOF_REV);
+ string_copy_rev(graph->rev[graph->size++], parent);
}
}
ident = "Unknown";
}
- string_copy(commit->author, ident);
+ string_ncopy(commit->author, ident, strlen(ident));
/* Parse epoch and timezone */
if (emailend[1] == ' ') {
/* FIXME: More graceful handling of titles; append "..." to
* shortened titles, etc. */
- string_copy(commit->title, line);
+ string_ncopy(commit->title, line, strlen(line));
}
return TRUE;
read_repo_config_option(char *name, int namelen, char *value, int valuelen)
{
if (!strcmp(name, "i18n.commitencoding"))
- string_copy(opt_encoding, value);
+ string_ncopy(opt_encoding, value, valuelen);
return OK;
}
}
static int
+read_repo_info(char *name, int namelen, char *value, int valuelen)
+{
+ if (!opt_cdup[0])
+ string_ncopy(opt_cdup, name, namelen);
+ return OK;
+}
+
+static int
+load_repo_info(void)
+{
+ return read_properties(popen("git rev-parse --show-cdup", "r"),
+ "=", read_repo_info);
+}
+
+static int
read_properties(FILE *pipe, const char *separators,
int (*read_property)(char *, int, char *, int))
{
signal(SIGINT, quit);
if (setlocale(LC_ALL, "")) {
- string_copy(opt_codeset, nl_langinfo(CODESET));
+ char *codeset = nl_langinfo(CODESET);
+
+ string_ncopy(opt_codeset, codeset, strlen(codeset));
}
if (load_options() == ERR)
die("Failed to load user config.");
/* Load the repo config file so options can be overwritten from
- * the command line. */
+ * the command line. */
if (load_repo_config() == ERR)
die("Failed to load repo config.");
+ if (load_repo_info() == ERR)
+ die("Failed to load repo info.");
+
if (!parse_options(argc, argv))
return 0;
char *search = read_prompt(prompt);
if (search)
- string_copy(opt_search, search);
+ string_ncopy(opt_search, search, strlen(search));
else
request = REQ_NONE;
break;
~mdw / tig / blobdiff