diff options
| -rw-r--r-- | Makefile | 1 | ||||
| -rw-r--r-- | help.c | 77 | ||||
| -rw-r--r-- | help.h | 23 |
3 files changed, 63 insertions, 38 deletions
@@ -355,6 +355,7 @@ LIB_H += git-compat-util.h LIB_H += graph.h LIB_H += grep.h LIB_H += hash.h +LIB_H += help.h LIB_H += list-objects.h LIB_H += ll-merge.h LIB_H += log-tree.h @@ -9,6 +9,7 @@ #include "common-cmds.h" #include "parse-options.h" #include "run-command.h" +#include "help.h" static struct man_viewer_list { struct man_viewer_list *next; @@ -300,18 +301,11 @@ static inline void mput_char(char c, unsigned int num) putchar(c); } -static struct cmdnames { - int alloc; - int cnt; - struct cmdname { - size_t len; - char name[1]; - } **names; -} main_cmds, other_cmds; +struct cmdnames main_cmds, other_cmds; -static void add_cmdname(struct cmdnames *cmds, const char *name, int len) +void add_cmdname(struct cmdnames *cmds, const char *name, int len) { - struct cmdname *ent = xmalloc(sizeof(*ent) + len); + struct cmdname *ent = xmalloc(sizeof(*ent) + len + 1); ent->len = len; memcpy(ent->name, name, len); @@ -342,7 +336,7 @@ static void uniq(struct cmdnames *cmds) cmds->cnt = j; } -static void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes) +void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes) { int ci, cj, ei; int cmp; @@ -418,11 +412,11 @@ static int is_executable(const char *name) } static unsigned int list_commands_in_dir(struct cmdnames *cmds, - const char *path) + const char *path, + const char *prefix) { unsigned int longest = 0; - const char *prefix = "git-"; - int prefix_len = strlen(prefix); + int prefix_len; DIR *dir = opendir(path); struct dirent *de; struct strbuf buf = STRBUF_INIT; @@ -430,6 +424,9 @@ static unsigned int list_commands_in_dir(struct cmdnames *cmds, if (!dir) return 0; + if (!prefix) + prefix = "git-"; + prefix_len = strlen(prefix); strbuf_addf(&buf, "%s/", path); len = buf.len; @@ -460,7 +457,9 @@ static unsigned int list_commands_in_dir(struct cmdnames *cmds, return longest; } -static unsigned int load_command_list(void) +unsigned int load_command_list(const char *prefix, + struct cmdnames *main_cmds, + struct cmdnames *other_cmds) { unsigned int longest = 0; unsigned int len; @@ -469,7 +468,7 @@ static unsigned int load_command_list(void) const char *exec_path = git_exec_path(); if (exec_path) - longest = list_commands_in_dir(&main_cmds, exec_path); + longest = list_commands_in_dir(main_cmds, exec_path, prefix); if (!env_path) { fprintf(stderr, "PATH not set\n"); @@ -481,7 +480,7 @@ static unsigned int load_command_list(void) if ((colon = strchr(path, PATH_SEP))) *colon = 0; - len = list_commands_in_dir(&other_cmds, path); + len = list_commands_in_dir(other_cmds, path, prefix); if (len > longest) longest = len; @@ -491,36 +490,38 @@ static unsigned int load_command_list(void) } free(paths); - qsort(main_cmds.names, main_cmds.cnt, - sizeof(*main_cmds.names), cmdname_compare); - uniq(&main_cmds); + qsort(main_cmds->names, main_cmds->cnt, + sizeof(*main_cmds->names), cmdname_compare); + uniq(main_cmds); - qsort(other_cmds.names, other_cmds.cnt, - sizeof(*other_cmds.names), cmdname_compare); - uniq(&other_cmds); - exclude_cmds(&other_cmds, &main_cmds); + qsort(other_cmds->names, other_cmds->cnt, + sizeof(*other_cmds->names), cmdname_compare); + uniq(other_cmds); + exclude_cmds(other_cmds, main_cmds); return longest; } -static void list_commands(void) +void list_commands(const char *title, unsigned int longest, + struct cmdnames *main_cmds, struct cmdnames *other_cmds) { - unsigned int longest = load_command_list(); const char *exec_path = git_exec_path(); - if (main_cmds.cnt) { - printf("available git commands in '%s'\n", exec_path); - printf("----------------------------"); - mput_char('-', strlen(exec_path)); + if (main_cmds->cnt) { + printf("available %s in '%s'\n", title, exec_path); + printf("----------------"); + mput_char('-', strlen(title) + strlen(exec_path)); putchar('\n'); - pretty_print_string_list(&main_cmds, longest); + pretty_print_string_list(main_cmds, longest); putchar('\n'); } - if (other_cmds.cnt) { - printf("git commands available from elsewhere on your $PATH\n"); - printf("---------------------------------------------------\n"); - pretty_print_string_list(&other_cmds, longest); + if (other_cmds->cnt) { + printf("%s available from elsewhere on your $PATH\n", title); + printf("---------------------------------------"); + mput_char('-', strlen(title)); + putchar('\n'); + pretty_print_string_list(other_cmds, longest); putchar('\n'); } } @@ -542,7 +543,7 @@ void list_common_cmds_help(void) } } -static int is_in_cmdlist(struct cmdnames *c, const char *s) +int is_in_cmdlist(struct cmdnames *c, const char *s) { int i; for (i = 0; i < c->cnt; i++) @@ -553,7 +554,6 @@ static int is_in_cmdlist(struct cmdnames *c, const char *s) static int is_git_command(const char *s) { - load_command_list(); return is_in_cmdlist(&main_cmds, s) || is_in_cmdlist(&other_cmds, s); } @@ -698,8 +698,9 @@ int cmd_help(int argc, const char **argv, const char *prefix) builtin_help_usage, 0); if (show_all) { + unsigned int longest = load_command_list("git-", &main_cmds, &other_cmds); printf("usage: %s\n\n", git_usage_string); - list_commands(); + list_commands("git commands", longest, &main_cmds, &other_cmds); printf("%s\n", git_more_info_string); return 0; } diff --git a/help.h b/help.h new file mode 100644 index 0000000000..d614e5491b --- /dev/null +++ b/help.h @@ -0,0 +1,23 @@ +#ifndef HELP_H +#define HELP_H + +struct cmdnames { + int alloc; + int cnt; + struct cmdname { + size_t len; + char name[FLEX_ARRAY]; + } **names; +}; + +unsigned int load_command_list(const char *prefix, + struct cmdnames *main_cmds, + struct cmdnames *other_cmds); +void add_cmdname(struct cmdnames *cmds, const char *name, int len); +/* Here we require that excludes is a sorted list. */ +void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes); +int is_in_cmdlist(struct cmdnames *c, const char *s); +void list_commands(const char *title, unsigned int longest, + struct cmdnames *main_cmds, struct cmdnames *other_cmds); + +#endif /* HELP_H */ |