summaryrefslogtreecommitdiff
path: root/help.c
diff options
context:
space:
mode:
Diffstat (limited to 'help.c')
-rw-r--r--help.c330
1 files changed, 303 insertions, 27 deletions
diff --git a/help.c b/help.c
index 60071a9bea..96f6d221ed 100644
--- a/help.c
+++ b/help.c
@@ -1,17 +1,131 @@
#include "cache.h"
#include "config.h"
#include "builtin.h"
-#include "exec_cmd.h"
+#include "exec-cmd.h"
#include "run-command.h"
#include "levenshtein.h"
#include "help.h"
-#include "common-cmds.h"
+#include "command-list.h"
#include "string-list.h"
#include "column.h"
#include "version.h"
#include "refs.h"
#include "parse-options.h"
+struct category_description {
+ uint32_t category;
+ const char *desc;
+};
+static uint32_t common_mask =
+ CAT_init | CAT_worktree | CAT_info |
+ CAT_history | CAT_remote;
+static struct category_description common_categories[] = {
+ { CAT_init, N_("start a working area (see also: git help tutorial)") },
+ { CAT_worktree, N_("work on the current change (see also: git help everyday)") },
+ { CAT_info, N_("examine the history and state (see also: git help revisions)") },
+ { CAT_history, N_("grow, mark and tweak your common history") },
+ { CAT_remote, N_("collaborate (see also: git help workflows)") },
+ { 0, NULL }
+};
+static struct category_description main_categories[] = {
+ { CAT_mainporcelain, N_("Main Porcelain Commands") },
+ { CAT_ancillarymanipulators, N_("Ancillary Commands / Manipulators") },
+ { CAT_ancillaryinterrogators, N_("Ancillary Commands / Interrogators") },
+ { CAT_foreignscminterface, N_("Interacting with Others") },
+ { CAT_plumbingmanipulators, N_("Low-level Commands / Manipulators") },
+ { CAT_plumbinginterrogators, N_("Low-level Commands / Interrogators") },
+ { CAT_synchingrepositories, N_("Low-level Commands / Synching Repositories") },
+ { CAT_purehelpers, N_("Low-level Commands / Internal Helpers") },
+ { 0, NULL }
+};
+
+static const char *drop_prefix(const char *name, uint32_t category)
+{
+ const char *new_name;
+
+ if (skip_prefix(name, "git-", &new_name))
+ return new_name;
+ if (category == CAT_guide && skip_prefix(name, "git", &new_name))
+ return new_name;
+ return name;
+
+}
+
+static void extract_cmds(struct cmdname_help **p_cmds, uint32_t mask)
+{
+ int i, nr = 0;
+ struct cmdname_help *cmds;
+
+ if (ARRAY_SIZE(command_list) == 0)
+ BUG("empty command_list[] is a sign of broken generate-cmdlist.sh");
+
+ ALLOC_ARRAY(cmds, ARRAY_SIZE(command_list) + 1);
+
+ for (i = 0; i < ARRAY_SIZE(command_list); i++) {
+ const struct cmdname_help *cmd = command_list + i;
+
+ if (!(cmd->category & mask))
+ continue;
+
+ cmds[nr] = *cmd;
+ cmds[nr].name = drop_prefix(cmd->name, cmd->category);
+
+ nr++;
+ }
+ cmds[nr].name = NULL;
+ *p_cmds = cmds;
+}
+
+static void print_command_list(const struct cmdname_help *cmds,
+ uint32_t mask, int longest)
+{
+ int i;
+
+ for (i = 0; cmds[i].name; i++) {
+ if (cmds[i].category & mask) {
+ printf(" %s ", cmds[i].name);
+ mput_char(' ', longest - strlen(cmds[i].name));
+ puts(_(cmds[i].help));
+ }
+ }
+}
+
+static int cmd_name_cmp(const void *elem1, const void *elem2)
+{
+ const struct cmdname_help *e1 = elem1;
+ const struct cmdname_help *e2 = elem2;
+
+ return strcmp(e1->name, e2->name);
+}
+
+static void print_cmd_by_category(const struct category_description *catdesc)
+{
+ struct cmdname_help *cmds;
+ int longest = 0;
+ int i, nr = 0;
+ uint32_t mask = 0;
+
+ for (i = 0; catdesc[i].desc; i++)
+ mask |= catdesc[i].category;
+
+ extract_cmds(&cmds, mask);
+
+ for (i = 0; cmds[i].name; i++, nr++) {
+ if (longest < strlen(cmds[i].name))
+ longest = strlen(cmds[i].name);
+ }
+ QSORT(cmds, nr, cmd_name_cmp);
+
+ for (i = 0; catdesc[i].desc; i++) {
+ uint32_t mask = catdesc[i].category;
+ const char *desc = catdesc[i].desc;
+
+ printf("\n%s\n", _(desc));
+ print_command_list(cmds, mask, longest);
+ }
+ free(cmds);
+}
+
void add_cmdname(struct cmdnames *cmds, const char *name, int len)
{
struct cmdname *ent;
@@ -190,42 +304,199 @@ void list_commands(unsigned int colopts,
}
}
-static int cmd_group_cmp(const void *elem1, const void *elem2)
+void list_common_cmds_help(void)
+{
+ puts(_("These are common Git commands used in various situations:"));
+ print_cmd_by_category(common_categories);
+}
+
+void list_all_main_cmds(struct string_list *list)
{
- const struct cmdname_help *e1 = elem1;
- const struct cmdname_help *e2 = elem2;
+ struct cmdnames main_cmds, other_cmds;
+ int i;
- if (e1->group < e2->group)
- return -1;
- if (e1->group > e2->group)
- return 1;
- return strcmp(e1->name, e2->name);
+ memset(&main_cmds, 0, sizeof(main_cmds));
+ memset(&other_cmds, 0, sizeof(other_cmds));
+ load_command_list("git-", &main_cmds, &other_cmds);
+
+ for (i = 0; i < main_cmds.cnt; i++)
+ string_list_append(list, main_cmds.names[i]->name);
+
+ clean_cmdnames(&main_cmds);
+ clean_cmdnames(&other_cmds);
}
-void list_common_cmds_help(void)
+void list_all_other_cmds(struct string_list *list)
{
- int i, longest = 0;
- int current_grp = -1;
+ struct cmdnames main_cmds, other_cmds;
+ int i;
+
+ memset(&main_cmds, 0, sizeof(main_cmds));
+ memset(&other_cmds, 0, sizeof(other_cmds));
+ load_command_list("git-", &main_cmds, &other_cmds);
- for (i = 0; i < ARRAY_SIZE(common_cmds); i++) {
- if (longest < strlen(common_cmds[i].name))
- longest = strlen(common_cmds[i].name);
+ for (i = 0; i < other_cmds.cnt; i++)
+ string_list_append(list, other_cmds.names[i]->name);
+
+ clean_cmdnames(&main_cmds);
+ clean_cmdnames(&other_cmds);
+}
+
+void list_cmds_by_category(struct string_list *list,
+ const char *cat)
+{
+ int i, n = ARRAY_SIZE(command_list);
+ uint32_t cat_id = 0;
+
+ for (i = 0; category_names[i]; i++) {
+ if (!strcmp(cat, category_names[i])) {
+ cat_id = 1UL << i;
+ break;
+ }
}
+ if (!cat_id)
+ die(_("unsupported command listing type '%s'"), cat);
- QSORT(common_cmds, ARRAY_SIZE(common_cmds), cmd_group_cmp);
+ for (i = 0; i < n; i++) {
+ struct cmdname_help *cmd = command_list + i;
- puts(_("These are common Git commands used in various situations:"));
+ if (!(cmd->category & cat_id))
+ continue;
+ string_list_append(list, drop_prefix(cmd->name, cmd->category));
+ }
+}
+
+void list_cmds_by_config(struct string_list *list)
+{
+ const char *cmd_list;
+
+ /*
+ * There's no actual repository setup at this point (and even
+ * if there is, we don't really care; only global config
+ * matters). If we accidentally set up a repository, it's ok
+ * too since the caller (git --list-cmds=) should exit shortly
+ * anyway.
+ */
+ if (git_config_get_string_const("completion.commands", &cmd_list))
+ return;
+
+ string_list_sort(list);
+ string_list_remove_duplicates(list, 0);
+
+ while (*cmd_list) {
+ struct strbuf sb = STRBUF_INIT;
+ const char *p = strchrnul(cmd_list, ' ');
+
+ strbuf_add(&sb, cmd_list, p - cmd_list);
+ if (*cmd_list == '-')
+ string_list_remove(list, cmd_list + 1, 0);
+ else
+ string_list_insert(list, sb.buf);
+ strbuf_release(&sb);
+ while (*p == ' ')
+ p++;
+ cmd_list = p;
+ }
+}
+
+void list_common_guides_help(void)
+{
+ struct category_description catdesc[] = {
+ { CAT_guide, N_("The common Git guides are:") },
+ { 0, NULL }
+ };
+ print_cmd_by_category(catdesc);
+ putchar('\n');
+}
+
+struct slot_expansion {
+ const char *prefix;
+ const char *placeholder;
+ void (*fn)(struct string_list *list, const char *prefix);
+ int found;
+};
+
+void list_config_help(int for_human)
+{
+ struct slot_expansion slot_expansions[] = {
+ { "advice", "*", list_config_advices },
+ { "color.branch", "<slot>", list_config_color_branch_slots },
+ { "color.decorate", "<slot>", list_config_color_decorate_slots },
+ { "color.diff", "<slot>", list_config_color_diff_slots },
+ { "color.grep", "<slot>", list_config_color_grep_slots },
+ { "color.interactive", "<slot>", list_config_color_interactive_slots },
+ { "color.remote", "<slot>", list_config_color_sideband_slots },
+ { "color.status", "<slot>", list_config_color_status_slots },
+ { "fsck", "<msg-id>", list_config_fsck_msg_ids },
+ { "receive.fsck", "<msg-id>", list_config_fsck_msg_ids },
+ { NULL, NULL, NULL }
+ };
+ const char **p;
+ struct slot_expansion *e;
+ struct string_list keys = STRING_LIST_INIT_DUP;
+ int i;
+
+ for (p = config_name_list; *p; p++) {
+ const char *var = *p;
+ struct strbuf sb = STRBUF_INIT;
+
+ for (e = slot_expansions; e->prefix; e++) {
+
+ strbuf_reset(&sb);
+ strbuf_addf(&sb, "%s.%s", e->prefix, e->placeholder);
+ if (!strcasecmp(var, sb.buf)) {
+ e->fn(&keys, e->prefix);
+ e->found++;
+ break;
+ }
+ }
+ strbuf_release(&sb);
+ if (!e->prefix)
+ string_list_append(&keys, var);
+ }
- for (i = 0; i < ARRAY_SIZE(common_cmds); i++) {
- if (common_cmds[i].group != current_grp) {
- printf("\n%s\n", _(common_cmd_groups[common_cmds[i].group]));
- current_grp = common_cmds[i].group;
+ for (e = slot_expansions; e->prefix; e++)
+ if (!e->found)
+ BUG("slot_expansion %s.%s is not used",
+ e->prefix, e->placeholder);
+
+ string_list_sort(&keys);
+ for (i = 0; i < keys.nr; i++) {
+ const char *var = keys.items[i].string;
+ const char *wildcard, *tag, *cut;
+
+ if (for_human) {
+ puts(var);
+ continue;
+ }
+
+ wildcard = strchr(var, '*');
+ tag = strchr(var, '<');
+
+ if (!wildcard && !tag) {
+ puts(var);
+ continue;
}
- printf(" %s ", common_cmds[i].name);
- mput_char(' ', longest - strlen(common_cmds[i].name));
- puts(_(common_cmds[i].help));
+ if (wildcard && !tag)
+ cut = wildcard;
+ else if (!wildcard && tag)
+ cut = tag;
+ else
+ cut = wildcard < tag ? wildcard : tag;
+
+ /*
+ * We may produce duplicates, but that's up to
+ * git-completion.bash to handle
+ */
+ printf("%.*s\n", (int)(cut - var), var);
}
+ string_list_clear(&keys, 0);
+}
+
+void list_all_cmds_help(void)
+{
+ print_cmd_by_category(main_categories);
}
int is_in_cmdlist(struct cmdnames *c, const char *s)
@@ -285,6 +556,7 @@ const char *help_unknown_cmd(const char *cmd)
{
int i, n, best_similarity = 0;
struct cmdnames main_cmds, other_cmds;
+ struct cmdname_help *common_cmds;
memset(&main_cmds, 0, sizeof(main_cmds));
memset(&other_cmds, 0, sizeof(other_cmds));
@@ -299,6 +571,8 @@ const char *help_unknown_cmd(const char *cmd)
QSORT(main_cmds.names, main_cmds.cnt, cmdname_compare);
uniq(&main_cmds);
+ extract_cmds(&common_cmds, common_mask);
+
/* This abuses cmdname->len for levenshtein distance */
for (i = 0, n = 0; i < main_cmds.cnt; i++) {
int cmp = 0; /* avoid compiler stupidity */
@@ -313,10 +587,10 @@ const char *help_unknown_cmd(const char *cmd)
die(_(bad_interpreter_advice), cmd, cmd);
/* Does the candidate appear in common_cmds list? */
- while (n < ARRAY_SIZE(common_cmds) &&
+ while (common_cmds[n].name &&
(cmp = strcmp(common_cmds[n].name, candidate)) < 0)
n++;
- if ((n < ARRAY_SIZE(common_cmds)) && !cmp) {
+ if (common_cmds[n].name && !cmp) {
/* Yes, this is one of the common commands */
n++; /* use the entry from common_cmds[] */
if (starts_with(candidate, cmd)) {
@@ -329,6 +603,7 @@ const char *help_unknown_cmd(const char *cmd)
main_cmds.names[i]->len =
levenshtein(cmd, candidate, 0, 2, 1, 3) + 1;
}
+ FREE_AND_NULL(common_cmds);
QSORT(main_cmds.names, main_cmds.cnt, levenshtein_compare);
@@ -419,6 +694,7 @@ int cmd_version(int argc, const char **argv, const char *prefix)
else
printf("no commit associated with this build\n");
printf("sizeof-long: %d\n", (int)sizeof(long));
+ printf("sizeof-size_t: %d\n", (int)sizeof(size_t));
/* NEEDSWORK: also save and output GIT-BUILD_OPTIONS? */
}
return 0;