X-Git-Url: https://git.distorted.org.uk/~mdw/tig/blobdiff_plain/2ce5c87cfd1d739c8ae21bed60acd5bed3cfb21d..11ce319e4f5162e3104538c342b6efe953b28cf8:/tig.c diff --git a/tig.c b/tig.c index 96ab67f..69d5059 100644 --- a/tig.c +++ b/tig.c @@ -12,7 +12,7 @@ */ #ifndef VERSION -#define VERSION "tig-0.4.git" +#define VERSION "tig-0.5.git" #endif #ifndef DEBUG @@ -90,7 +90,7 @@ static size_t utf8_length(const char *string, size_t max_width, int *coloffset, #define SCALE_SPLIT_VIEW(height) ((height) * 2 / 3) #define TIG_LS_REMOTE \ - "git ls-remote . 2>/dev/null" + "git ls-remote $(git rev-parse --git-dir) 2>/dev/null" #define TIG_DIFF_CMD \ "git show --root --patch-with-stat --find-copies-harder -B -C %s 2>/dev/null" @@ -121,6 +121,7 @@ struct ref { char *name; /* Ref name; tag or head names are shortened. */ char id[SIZEOF_REV]; /* Commit SHA1 ID */ unsigned int tag:1; /* Is it a tag? */ + unsigned int remote:1; /* Is it a remote ref? */ unsigned int next:1; /* For ref lists: are there more refs? */ }; @@ -395,7 +396,7 @@ VERSION " (" __DATE__ ")\n" /* Option and state variables. */ static bool opt_line_number = FALSE; -static bool opt_rev_graph = TRUE; +static bool opt_rev_graph = FALSE; static int opt_num_interval = NUMBER_INTERVAL; static int opt_tab_size = TABSIZE; static enum request opt_request = REQ_VIEW_MAIN; @@ -460,6 +461,17 @@ parse_options(int argc, char *argv[]) for (i = 1; i < argc; i++) { char *opt = argv[i]; + if (!strcmp(opt, "log") || + !strcmp(opt, "diff") || + !strcmp(opt, "show")) { + opt_request = opt[0] == 'l' + ? REQ_VIEW_LOG : REQ_VIEW_DIFF; + break; + } + + if (opt[0] && opt[0] != '-') + break; + if (!strcmp(opt, "-l")) { opt_request = REQ_VIEW_LOG; continue; @@ -495,17 +507,6 @@ parse_options(int argc, char *argv[]) break; } - if (!strcmp(opt, "log") || - !strcmp(opt, "diff") || - !strcmp(opt, "show")) { - opt_request = opt[0] == 'l' - ? REQ_VIEW_LOG : REQ_VIEW_DIFF; - break; - } - - if (opt[0] && opt[0] != '-') - break; - die("unknown option '%s'\n\n%s", opt, usage); } @@ -519,7 +520,7 @@ parse_options(int argc, char *argv[]) if (opt_request == REQ_VIEW_MAIN) /* XXX: This is vulnerable to the user overriding * options required for the main view parser. */ - string_copy(opt_cmd, "git log --stat --pretty=raw"); + string_copy(opt_cmd, "git log --pretty=raw"); else string_copy(opt_cmd, "git"); buf_size = strlen(opt_cmd); @@ -533,7 +534,6 @@ parse_options(int argc, char *argv[]) die("command too long"); opt_cmd[buf_size] = 0; - } if (*opt_encoding && strcasecmp(opt_encoding, "UTF-8")) @@ -586,6 +586,7 @@ LINE(MAIN_AUTHOR, "", COLOR_GREEN, COLOR_DEFAULT, 0), \ LINE(MAIN_COMMIT, "", COLOR_DEFAULT, COLOR_DEFAULT, 0), \ LINE(MAIN_DELIM, "", COLOR_MAGENTA, COLOR_DEFAULT, 0), \ LINE(MAIN_TAG, "", COLOR_MAGENTA, COLOR_DEFAULT, A_BOLD), \ +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) @@ -739,9 +740,6 @@ static struct keybinding default_keybindings[] = { { 'g', REQ_TOGGLE_REV_GRAPH }, { ':', REQ_PROMPT }, - /* wgetch() with nodelay() enabled returns ERR when there's no input. */ - { ERR, REQ_NONE }, - /* Using the ncurses SIGWINCH handler. */ { KEY_RESIZE, REQ_SCREEN_RESIZE }, }; @@ -1173,6 +1171,9 @@ struct view_ops; static struct view *display[2]; static unsigned int current_view; +/* Reading from the prompt? */ +static bool input_mode = FALSE; + #define foreach_displayed_view(view, i) \ for (i = 0; i < ARRAY_SIZE(display) && (view = display[i]); i++) @@ -1274,6 +1275,7 @@ draw_view_line(struct view *view, unsigned int lineno) { struct line *line; bool selected = (view->offset + lineno == view->lineno); + bool draw_ok; assert(view_is_displayed(view)); @@ -1291,7 +1293,11 @@ draw_view_line(struct view *view, unsigned int lineno) wclrtoeol(view->win); } - return view->ops->draw(view, line, lineno, selected); + scrollok(view->win, FALSE); + draw_ok = view->ops->draw(view, line, lineno, selected); + scrollok(view->win, TRUE); + + return draw_ok; } static void @@ -1305,7 +1311,10 @@ redraw_view_from(struct view *view, int lineno) } redrawwin(view->win); - wrefresh(view->win); + if (input_mode) + wnoutrefresh(view->win); + else + wrefresh(view->win); } static void @@ -1319,20 +1328,11 @@ redraw_view(struct view *view) static void update_view_title(struct view *view) { - assert(view_is_displayed(view)); - - if (view == display[current_view]) - wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); - else - wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); - - werase(view->title); - wmove(view->title, 0, 0); + char buf[SIZEOF_STR]; + char state[SIZEOF_STR]; + size_t bufpos = 0, statelen = 0; - if (*view->ref) - wprintw(view->title, "[%s] %s", view->name, view->ref); - else - wprintw(view->title, "[%s]", view->name); + assert(view_is_displayed(view)); if (view->lines || view->pipe) { unsigned int view_lines = view->offset + view->height; @@ -1340,23 +1340,48 @@ update_view_title(struct view *view) ? MIN(view_lines, view->lines) * 100 / view->lines : 0; - wprintw(view->title, " - %s %d of %d (%d%%)", - view->ops->type, - view->lineno + 1, - view->lines, - lines); + string_format_from(state, &statelen, "- %s %d of %d (%d%%)", + view->ops->type, + view->lineno + 1, + view->lines, + lines); + + if (view->pipe) { + time_t secs = time(NULL) - view->start_time; + + /* Three git seconds are a long time ... */ + if (secs > 2) + string_format_from(state, &statelen, " %lds", secs); + } } - if (view->pipe) { - time_t secs = time(NULL) - view->start_time; + string_format_from(buf, &bufpos, "[%s]", view->name); + if (*view->ref && bufpos < view->width) { + size_t refsize = strlen(view->ref); + size_t minsize = bufpos + 1 + /* abbrev= */ 7 + 1 + statelen; + + if (minsize < view->width) + refsize = view->width - minsize + 7; + string_format_from(buf, &bufpos, " %.*s", refsize, view->ref); + } - /* Three git seconds are a long time ... */ - if (secs > 2) - wprintw(view->title, " %lds", secs); + if (statelen && bufpos < view->width) { + string_format_from(buf, &bufpos, " %s", state); } + if (view == display[current_view]) + wbkgdset(view->title, get_line_attr(LINE_TITLE_FOCUS)); + else + wbkgdset(view->title, get_line_attr(LINE_TITLE_BLUR)); + + mvwaddnstr(view->title, 0, 0, buf, bufpos); + wclrtoeol(view->title); wmove(view->title, 0, view->width - 1); - wrefresh(view->title); + + if (input_mode) + wnoutrefresh(view->title); + else + wrefresh(view->title); } static void @@ -1423,10 +1448,8 @@ redraw_display(void) } static void -update_display_cursor(void) +update_display_cursor(struct view *view) { - struct view *view = display[current_view]; - /* Move the cursor to the right-most column of the cursor line. * * XXX: This could turn out to be a bit expensive, but it ensures that @@ -1928,6 +1951,7 @@ alloc_error: report("Allocation failure"); end: + view->ops->read(view, NULL); end_update(view); return FALSE; } @@ -2298,7 +2322,7 @@ add_describe_ref(char *buf, size_t *bufpos, char *commit_id, const char *sep) char *ref = NULL; FILE *pipe; - if (!string_format(refbuf, "git describe %s", commit_id)) + if (!string_format(refbuf, "git describe %s 2>/dev/null", commit_id)) return TRUE; pipe = popen(refbuf, "r"); @@ -2340,7 +2364,8 @@ add_pager_refs(struct view *view, struct line *line) do { struct ref *ref = refs[refpos]; - char *fmt = ref->tag ? "%s[%s]" : "%s%s"; + char *fmt = ref->tag ? "%s[%s]" : + ref->remote ? "%s<%s>" : "%s%s"; if (!string_format_from(buf, &bufpos, fmt, sep, ref->name)) return; @@ -2376,6 +2401,9 @@ pager_read(struct view *view, char *data) { struct line *line = &view->line[view->lines]; + if (!data) + return TRUE; + line->data = strdup(data); if (!line->data) return FALSE; @@ -2486,7 +2514,7 @@ tree_compare_entry(enum line_type type1, char *name1, static bool tree_read(struct view *view, char *text) { - size_t textlen = strlen(text); + size_t textlen = text ? strlen(text) : 0; char buf[SIZEOF_STR]; unsigned long pos; enum line_type type; @@ -2567,7 +2595,7 @@ tree_read(struct view *view, char *text) static bool tree_enter(struct view *view, struct line *line) { - enum open_flags flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; + enum open_flags flags; enum request request; switch (line->type) { @@ -2597,11 +2625,12 @@ tree_enter(struct view *view, struct line *line) /* Trees and subtrees share the same ID, so they are not not * unique like blobs. */ - flags |= OPEN_RELOAD; + flags = OPEN_RELOAD; request = REQ_VIEW_TREE; break; case LINE_TREE_FILE: + flags = display[0] == view ? OPEN_SPLIT : OPEN_DEFAULT; request = REQ_VIEW_BLOB; break; @@ -2670,7 +2699,7 @@ static struct view_ops blob_ops = { struct commit { char id[SIZEOF_REV]; /* SHA1 ID. */ - char title[75]; /* First line of the commit message. */ + char title[128]; /* First line of the commit message. */ char author[75]; /* Author of the commit. */ struct tm time; /* Date from the author ident. */ struct ref **refs; /* Repository references. */ @@ -2690,13 +2719,14 @@ struct rev_graph { }; /* Parents of the commit being visualized. */ -static struct rev_graph graph_parents[3]; +static struct rev_graph graph_parents[4]; /* The current stack of revisions on the graph. */ -static struct rev_graph graph_stacks[3] = { - { &graph_stacks[2], &graph_stacks[1], &graph_parents[0] }, +static struct rev_graph graph_stacks[4] = { + { &graph_stacks[3], &graph_stacks[1], &graph_parents[0] }, { &graph_stacks[0], &graph_stacks[2], &graph_parents[1] }, - { &graph_stacks[1], &graph_stacks[0], &graph_parents[2] }, + { &graph_stacks[1], &graph_stacks[3], &graph_parents[2] }, + { &graph_stacks[2], &graph_stacks[0], &graph_parents[3] }, }; static inline bool @@ -2708,8 +2738,10 @@ graph_parent_is_merge(struct rev_graph *graph) static inline void append_to_rev_graph(struct rev_graph *graph, chtype symbol) { - if (graph->commit->graph_size < ARRAY_SIZE(graph->commit->graph) - 1) - graph->commit->graph[graph->commit->graph_size++] = symbol; + struct commit *commit = graph->commit; + + if (commit->graph_size < ARRAY_SIZE(commit->graph) - 1) + commit->graph[commit->graph_size++] = symbol; } static void @@ -2736,84 +2768,100 @@ done_rev_graph(struct rev_graph *graph) static void push_rev_graph(struct rev_graph *graph, char *parent) { - /* Combine duplicate parents lines. */ - if (graph->size > 0 && - !strncmp(graph->rev[graph->size - 1], parent, SIZEOF_REV)) - return; + int i; + + /* "Collapse" duplicate parents lines. + * + * FIXME: This needs to also update update the drawn graph but + * for now it just serves as a method for pruning graph lines. */ + for (i = 0; i < graph->size; i++) + if (!strncmp(graph->rev[i], parent, SIZEOF_REV)) + return; if (graph->size < SIZEOF_REVITEMS) { string_ncopy(graph->rev[graph->size++], parent, SIZEOF_REV); } } -static void -draw_rev_graph(struct rev_graph *graph) +static chtype +get_rev_graph_symbol(struct rev_graph *graph) { - chtype symbol, separator, line; - size_t i; + chtype symbol; - /* Place the symbol for this commit. */ if (graph->parents->size == 0) symbol = REVGRAPH_INIT; - else if (graph->parents->size > 1) + else if (graph_parent_is_merge(graph)) symbol = REVGRAPH_MERGE; else if (graph->pos >= graph->size) symbol = REVGRAPH_BRANCH; else symbol = REVGRAPH_COMMIT; - separator = ' '; - line = REVGRAPH_LINE; + return symbol; +} + +static void +draw_rev_graph(struct rev_graph *graph) +{ + struct rev_filler { + chtype separator, line; + }; + enum { DEFAULT, RSHARP, RDIAG, LDIAG }; + static struct rev_filler fillers[] = { + { ' ', REVGRAPH_LINE }, + { '`', '.' }, + { '\'', ' ' }, + { '/', ' ' }, + }; + chtype symbol = get_rev_graph_symbol(graph); + struct rev_filler *filler; + size_t i; + + filler = &fillers[DEFAULT]; for (i = 0; i < graph->pos; i++) { - append_to_rev_graph(graph, line); + append_to_rev_graph(graph, filler->line); if (graph_parent_is_merge(graph->prev) && - graph->prev->pos == i) { - separator = '`'; - line = '.'; - } - append_to_rev_graph(graph, separator); + graph->prev->pos == i) + filler = &fillers[RSHARP]; + + append_to_rev_graph(graph, filler->separator); } + /* Place the symbol for this revision. */ append_to_rev_graph(graph, symbol); - if (graph->prev->size > graph->size) { - separator = '\''; - line = ' '; - } else { - separator = ' '; - line = REVGRAPH_LINE; - } + if (graph->prev->size > graph->size) + filler = &fillers[RDIAG]; + else + filler = &fillers[DEFAULT]; + i++; for (; i < graph->size; i++) { - append_to_rev_graph(graph, separator); - append_to_rev_graph(graph, line); - if (graph_parent_is_merge(graph->prev)) { - if (i < graph->prev->pos + graph->parents->size) { - separator = '`'; - line = '.'; - } - } - if (graph->prev->size > graph->size) { - separator = '/'; - line = ' '; - } + append_to_rev_graph(graph, filler->separator); + append_to_rev_graph(graph, filler->line); + if (graph_parent_is_merge(graph->prev) && + i < graph->prev->pos + graph->parents->size) + filler = &fillers[RSHARP]; + if (graph->prev->size > graph->size) + filler = &fillers[LDIAG]; } if (graph->prev->size > graph->size) { - append_to_rev_graph(graph, separator); - if (line != ' ') - append_to_rev_graph(graph, line); + append_to_rev_graph(graph, filler->separator); + if (filler->line != ' ') + append_to_rev_graph(graph, filler->line); } } -void -update_rev_graph(struct rev_graph *graph) +/* Prepare the next rev graph */ +static void +prepare_rev_graph(struct rev_graph *graph) { size_t i; - /* First traverse all lines of revisions up to the active one. */ + /* First, traverse all lines of revisions up to the active one. */ for (graph->pos = 0; graph->pos < graph->size; graph->pos++) { if (!strcmp(graph->rev[graph->pos], graph->commit->id)) break; @@ -2821,15 +2869,29 @@ update_rev_graph(struct rev_graph *graph) push_rev_graph(graph->next, graph->rev[graph->pos]); } + /* Interleave the new revision parent(s). */ for (i = 0; i < graph->parents->size; i++) push_rev_graph(graph->next, graph->parents->rev[i]); - /* FIXME: Moving branches left and right when collapsing a branch. */ + /* Lastly, put any remaining revisions. */ for (i = graph->pos + 1; i < graph->size; i++) push_rev_graph(graph->next, graph->rev[i]); +} - draw_rev_graph(graph); - done_rev_graph(graph->prev); +static void +update_rev_graph(struct rev_graph *graph) +{ + /* If this is the finalizing update ... */ + if (graph->commit) + prepare_rev_graph(graph); + + /* Graph visualization needs a one rev look-ahead, + * so the first update doesn't visualize anything. */ + if (!graph->prev->commit) + return; + + draw_rev_graph(graph->prev); + done_rev_graph(graph->prev->prev); } @@ -2904,6 +2966,7 @@ main_draw(struct view *view, struct line *line, unsigned int lineno, bool select for (i = 0; i < commit->graph_size; i++) waddch(view->win, commit->graph[i]); + waddch(view->win, ' '); col += commit->graph_size + 1; } @@ -2917,6 +2980,8 @@ main_draw(struct view *view, struct line *line, unsigned int lineno, bool select ; else if (commit->refs[i]->tag) wattrset(view->win, get_line_attr(LINE_MAIN_TAG)); + else if (commit->refs[i]->remote) + wattrset(view->win, get_line_attr(LINE_MAIN_REMOTE)); else wattrset(view->win, get_line_attr(LINE_MAIN_REF)); waddstr(view->win, "["); @@ -2949,10 +3014,17 @@ static bool main_read(struct view *view, char *line) { static struct rev_graph *graph = graph_stacks; - enum line_type type = get_line_type(line); + enum line_type type; struct commit *commit = view->lines ? view->line[view->lines - 1].data : NULL; + if (!line) { + update_rev_graph(graph); + return TRUE; + } + + type = get_line_type(line); + switch (type) { case LINE_COMMIT: commit = calloc(1, sizeof(struct commit)); @@ -2976,46 +3048,35 @@ main_read(struct view *view, char *line) case LINE_AUTHOR: { + /* Parse author lines where the name may be empty: + * author 1138474660 +0100 + */ char *ident = line + STRING_SIZE("author "); - char *end = strchr(ident, '<'); + char *nameend = strchr(ident, '<'); + char *emailend = strchr(ident, '>'); - if (!commit) + if (!commit || !nameend || !emailend) break; update_rev_graph(graph); graph = graph->next; - if (end) { - char *email = end + 1; - - for (; end > ident && isspace(end[-1]); end--) ; - - if (end == ident && *email) { - ident = email; - end = strchr(ident, '>'); - for (; end > ident && isspace(end[-1]); end--) ; - } - *end = 0; + *nameend = *emailend = 0; + ident = chomp_string(ident); + if (!*ident) { + ident = chomp_string(nameend + 1); + if (!*ident) + ident = "Unknown"; } - /* End is NULL or ident meaning there's no author. */ - if (end <= ident) - ident = "Unknown"; - string_copy(commit->author, ident); /* Parse epoch and timezone */ - if (end) { - char *secs = strchr(end + 1, '>'); - char *zone; - time_t time; - - if (!secs || secs[1] != ' ') - break; + if (emailend[1] == ' ') { + char *secs = emailend + 2; + char *zone = strchr(secs, ' '); + time_t time = (time_t) atol(secs); - secs += 2; - time = (time_t) atol(secs); - zone = strchr(secs, ' '); if (zone && strlen(zone) == STRING_SIZE(" +0700")) { long tz; @@ -3030,6 +3091,7 @@ main_read(struct view *view, char *line) time -= tz; } + gmtime_r(&time, &commit->time); } break; @@ -3044,13 +3106,19 @@ main_read(struct view *view, char *line) /* Require titles to start with a non-space character at the * offset used by git log. */ - /* FIXME: More gracefull handling of titles; append "..." to - * shortened titles, etc. */ - if (strncmp(line, " ", 4) || - isspace(line[4])) + if (strncmp(line, " ", 4)) break; + line += 4; + /* Well, if the title starts with a whitespace character, + * try to be forgiving. Otherwise we end up with no title. */ + while (isspace(*line)) + line++; + if (*line == '\0') + break; + /* FIXME: More graceful handling of titles; append "..." to + * shortened titles, etc. */ - string_copy(commit->title, line + 4); + string_copy(commit->title, line); } return TRUE; @@ -3285,33 +3353,37 @@ static bool cursed = FALSE; /* The status window is used for polling keystrokes. */ static WINDOW *status_win; +static bool status_empty = TRUE; + /* Update status and title window. */ static void report(const char *msg, ...) { - static bool empty = TRUE; struct view *view = display[current_view]; - if (!empty || *msg) { + if (input_mode) + return; + + if (!status_empty || *msg) { va_list args; va_start(args, msg); - werase(status_win); wmove(status_win, 0, 0); if (*msg) { vwprintw(status_win, msg, args); - empty = FALSE; + status_empty = FALSE; } else { - empty = TRUE; + status_empty = TRUE; } + wclrtoeol(status_win); wrefresh(status_win); va_end(args); } update_view_title(view); - update_display_cursor(); + update_display_cursor(view); } /* Controls when nodelay should be in effect when polling user input. */ @@ -3374,10 +3446,16 @@ read_prompt(const char *prompt) struct view *view; int i, key; + input_mode = TRUE; + foreach_view (view, i) update_view(view); - report("%s%.*s", prompt, pos, buf); + input_mode = FALSE; + + mvwprintw(status_win, 0, 0, "%s%.*s", prompt, pos, buf); + wclrtoeol(status_win); + /* Refresh, accept single keystroke of input */ key = wgetch(status_win); switch (key) { @@ -3412,11 +3490,12 @@ read_prompt(const char *prompt) } } - if (status == CANCEL) { - /* Clear the status window */ - report(""); + /* Clear the status window */ + status_empty = FALSE; + report(""); + + if (status == CANCEL) return NULL; - } buf[pos++] = 0; @@ -3488,6 +3567,7 @@ read_ref(char *id, int idlen, char *name, int namelen) { struct ref *ref; bool tag = FALSE; + bool remote = FALSE; if (!strncmp(name, "refs/tags/", STRING_SIZE("refs/tags/"))) { /* Commits referenced by tags has "^{}" appended. */ @@ -3501,6 +3581,11 @@ read_ref(char *id, int idlen, char *name, int namelen) namelen -= STRING_SIZE("refs/tags/"); name += STRING_SIZE("refs/tags/"); + } else if (!strncmp(name, "refs/remotes/", STRING_SIZE("refs/remotes/"))) { + remote = TRUE; + namelen -= STRING_SIZE("refs/remotes/"); + name += STRING_SIZE("refs/remotes/"); + } else if (!strncmp(name, "refs/heads/", STRING_SIZE("refs/heads/"))) { namelen -= STRING_SIZE("refs/heads/"); name += STRING_SIZE("refs/heads/"); @@ -3521,6 +3606,7 @@ read_ref(char *id, int idlen, char *name, int namelen) strncpy(ref->name, name, namelen); ref->name[namelen] = 0; ref->tag = tag; + ref->remote = remote; string_copy(ref->id, id); return OK; @@ -3675,6 +3761,13 @@ main(int argc, char *argv[]) /* Refresh, accept single keystroke of input */ key = wgetch(status_win); + /* wgetch() with nodelay() enabled returns ERR when there's no + * input. */ + if (key == ERR) { + request = REQ_NONE; + continue; + } + request = get_keybinding(display[current_view]->keymap, key); /* Some low-level request handling. This keeps access to