From: Jonas Fonseca Date: Sat, 6 Oct 2007 21:49:23 +0000 (+0200) Subject: Add support binding keys to running external commands X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=9eb14b72b27aedbd14b99332b22bb48651812204;p=tig.git Add support binding keys to running external commands Each command can have replacement string such as %(commit), %(head), and %(blob), which are substituted before the command is run. --- diff --git a/tig.c b/tig.c index cb8f6be..84e51b0 100644 --- a/tig.c +++ b/tig.c @@ -914,6 +914,27 @@ get_key_value(const char *name) return ERR; } +static char * +get_key_name(int key_value) +{ + static char key_char[] = "'X'"; + char *seq = NULL; + int key; + + for (key = 0; key < ARRAY_SIZE(key_table); key++) + if (key_table[key].value == key_value) + seq = key_table[key].name; + + if (seq == NULL && + key_value < 127 && + isprint(key_value)) { + key_char[1] = (char) key_value; + seq = key_char; + } + + return seq ? seq : "'?'"; +} + static char * get_key(enum request request) { @@ -955,6 +976,45 @@ get_key(enum request request) return buf; } +struct run_request { + enum keymap keymap; + int key; + char cmd[SIZEOF_STR]; +}; + +static struct run_request *run_request; +static size_t run_requests; + +static enum request +add_run_request(enum keymap keymap, int key, int argc, char **argv) +{ + struct run_request *tmp; + struct run_request req = { keymap, key }; + size_t bufpos; + + for (bufpos = 0; argc > 0; argc--, argv++) + if (!string_format_from(req.cmd, &bufpos, "%s ", *argv)) + return REQ_NONE; + + req.cmd[bufpos - 1] = 0; + + tmp = realloc(run_request, (run_requests + 1) * sizeof(*run_request)); + if (!tmp) + return REQ_NONE; + + run_request = tmp; + run_request[run_requests++] = req; + + return REQ_NONE + run_requests; +} + +static struct run_request * +get_run_request(enum request request) +{ + if (request <= REQ_NONE) + return NULL; + return &run_request[request - REQ_NONE - 1]; +} /* * User config file handling. @@ -1087,7 +1147,7 @@ option_bind_command(int argc, char *argv[]) int keymap; int key; - if (argc != 3) { + if (argc < 3) { config_msg = "Wrong number of arguments given to bind command"; return ERR; } @@ -1104,6 +1164,8 @@ option_bind_command(int argc, char *argv[]) } request = get_request(argv[2]); + if (request == REQ_NONE && *argv[2]++ == '!') + request = add_run_request(keymap, key, argc - 2, argv + 2); if (request == REQ_NONE) { config_msg = "Unknown request name"; return ERR; @@ -2194,6 +2256,56 @@ open_editor(bool from_root, const char *file) } } +static void +open_run_request(enum request request) +{ + struct run_request *req = get_run_request(request); + char buf[SIZEOF_STR * 2]; + size_t bufpos; + char *cmd; + + if (!req) { + report("Unknown run request"); + return; + } + + bufpos = 0; + cmd = req->cmd; + + while (cmd) { + char *next = strstr(cmd, "%("); + int len = next - cmd; + char *value; + + if (!next) { + len = strlen(cmd); + value = ""; + + } else if (!strncmp(next, "%(head)", 7)) { + value = ref_head; + + } else if (!strncmp(next, "%(commit)", 9)) { + value = ref_commit; + + } else if (!strncmp(next, "%(blob)", 7)) { + value = ref_blob; + + } else { + report("Unknown replacement in run request: `%s`", req->cmd); + return; + } + + if (!string_format_from(buf, &bufpos, "%.*s%s", len, cmd, value)) + return; + + if (next) + next = strchr(next, ')') + 1; + cmd = next; + } + + open_external_viewer(buf); +} + /* * User request switch noodle */ @@ -2208,6 +2320,11 @@ view_driver(struct view *view, enum request request) return TRUE; } + if (request > REQ_NONE) { + open_run_request(request); + return TRUE; + } + if (view && view->lines) { request = view->ops->request(view, request, &view->line[view->lineno]); if (request == REQ_NONE) @@ -2660,6 +2777,8 @@ help_open(struct view *view) if (!req_info[i].request) lines++; + lines += run_requests + 1; + view->line = calloc(lines, sizeof(*view->line)); if (!view->line) return FALSE; @@ -2688,6 +2807,30 @@ help_open(struct view *view) add_line_text(view, buf, LINE_DEFAULT); } + if (run_requests) { + add_line_text(view, "", LINE_DEFAULT); + add_line_text(view, "External commands:", LINE_DEFAULT); + } + + for (i = 0; i < run_requests; i++) { + struct run_request *req = get_run_request(REQ_NONE + i + 1); + char *key; + + if (!req) + continue; + + key = get_key_name(req->key); + if (!*key) + key = "(no key defined)"; + + if (!string_format(buf, " %-10s %-14s `%s`", + keymap_table[req->keymap].name, + key, req->cmd)) + continue; + + add_line_text(view, buf, LINE_DEFAULT); + } + return TRUE; } diff --git a/tigrc.5.txt b/tigrc.5.txt index 8e37efc..bfb1223 100644 --- a/tigrc.5.txt +++ b/tigrc.5.txt @@ -112,6 +112,10 @@ Examples: bind diff b move-first-line # 'unbind' the default quit key binding bind main Q none + # An external command to update from upstream + bind generic F !git fetch + # Cherry-pick current commit unto current branch + bind generic C !git cherry-pick %(commit) -------------------------------------------------------------------------- Keys are mapped by first searching the keybindings for the current view, then @@ -148,6 +152,14 @@ e.g. "view-main", "View.Main", and "VIEW_MAIN" are the same. Actions ~~~~~~~ +Apart from the action names listed below, all actions starting with a '!' will +be available as an external command. External commands can contain variable +names that will be substituted before the command is run. Valid variable names +are "%(head)", "%(commit)", and "%(blob)". + +As an example, the following external command will save the current commit as +a patch file: "!git format-patch %(commit)^..%(commit)". + ifdef::backend-xhtml11[] [frame="none"] `-----------------------`-----------------------------------------------------