diff options
Diffstat (limited to 'help.c')
| -rw-r--r-- | help.c | 201 |
1 files changed, 119 insertions, 82 deletions
@@ -4,28 +4,10 @@ #include "levenshtein.h" #include "help.h" #include "common-cmds.h" - -/* most GUI terminals set COLUMNS (although some don't export it) */ -static int term_columns(void) -{ - char *col_string = getenv("COLUMNS"); - int n_cols; - - if (col_string && (n_cols = atoi(col_string)) > 0) - return n_cols; - -#ifdef TIOCGWINSZ - { - struct winsize ws; - if (!ioctl(1, TIOCGWINSZ, &ws)) { - if (ws.ws_col) - return ws.ws_col; - } - } -#endif - - return 80; -} +#include "string-list.h" +#include "column.h" +#include "version.h" +#include "refs.h" void add_cmdname(struct cmdnames *cmds, const char *name, int len) { @@ -63,9 +45,12 @@ static void uniq(struct cmdnames *cmds) if (!cmds->cnt) return; - for (i = j = 1; i < cmds->cnt; i++) - if (strcmp(cmds->names[i]->name, cmds->names[i-1]->name)) + for (i = j = 1; i < cmds->cnt; i++) { + if (!strcmp(cmds->names[i]->name, cmds->names[j-1]->name)) + free(cmds->names[i]); + else cmds->names[j++] = cmds->names[i]; + } cmds->cnt = j; } @@ -80,9 +65,10 @@ void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes) cmp = strcmp(cmds->names[ci]->name, excludes->names[ei]->name); if (cmp < 0) cmds->names[cj++] = cmds->names[ci++]; - else if (cmp == 0) - ci++, ei++; - else if (cmp > 0) + else if (cmp == 0) { + ei++; + free(cmds->names[ci++]); + } else if (cmp > 0) ei++; } @@ -92,31 +78,25 @@ void exclude_cmds(struct cmdnames *cmds, struct cmdnames *excludes) cmds->cnt = cj; } -static void pretty_print_string_list(struct cmdnames *cmds, int longest) +static void pretty_print_string_list(struct cmdnames *cmds, + unsigned int colopts) { - int cols = 1, rows; - int space = longest + 1; /* min 1 SP between words */ - int max_cols = term_columns() - 1; /* don't print *on* the edge */ - int i, j; - - if (space < max_cols) - cols = max_cols / space; - rows = DIV_ROUND_UP(cmds->cnt, cols); - - for (i = 0; i < rows; i++) { - printf(" "); + struct string_list list = STRING_LIST_INIT_NODUP; + struct column_options copts; + int i; - for (j = 0; j < cols; j++) { - int n = j * rows + i; - int size = space; - if (n >= cmds->cnt) - break; - if (j == cols-1 || n + rows >= cmds->cnt) - size = 1; - printf("%-*s", size, cmds->names[n]->name); - } - putchar('\n'); - } + for (i = 0; i < cmds->cnt; i++) + string_list_append(&list, cmds->names[i]->name); + /* + * always enable column display, we only consult column.* + * about layout strategy and stuff + */ + colopts = (colopts & ~COL_ENABLE_MASK) | COL_ENABLED; + memset(&copts, 0, sizeof(copts)); + copts.indent = " "; + copts.padding = 2; + print_columns(&list, colopts, &copts); + string_list_clear(&list, 0); } static int is_executable(const char *name) @@ -127,10 +107,7 @@ static int is_executable(const char *name) !S_ISREG(st.st_mode)) return 0; -#if defined(WIN32) || defined(__CYGWIN__) -#if defined(__CYGWIN__) -if ((st.st_mode & S_IXUSR) == 0) -#endif +#if defined(GIT_WINDOWS_NATIVE) { /* cannot trust the executable bit, peek into the file instead */ char buf[3] = { 0 }; int n; @@ -225,38 +202,42 @@ void load_command_list(const char *prefix, exclude_cmds(other_cmds, main_cmds); } -void list_commands(const char *title, struct cmdnames *main_cmds, - struct cmdnames *other_cmds) +void list_commands(unsigned int colopts, + struct cmdnames *main_cmds, struct cmdnames *other_cmds) { - int i, longest = 0; - - for (i = 0; i < main_cmds->cnt; i++) - if (longest < main_cmds->names[i]->len) - longest = main_cmds->names[i]->len; - for (i = 0; i < other_cmds->cnt; i++) - if (longest < other_cmds->names[i]->len) - longest = other_cmds->names[i]->len; - if (main_cmds->cnt) { const char *exec_path = git_exec_path(); - printf("available %s in '%s'\n", title, exec_path); - printf("----------------"); - mput_char('-', strlen(title) + strlen(exec_path)); + printf_ln(_("available git commands in '%s'"), exec_path); putchar('\n'); - pretty_print_string_list(main_cmds, longest); + pretty_print_string_list(main_cmds, colopts); putchar('\n'); } if (other_cmds->cnt) { - printf("%s available from elsewhere on your $PATH\n", title); - printf("---------------------------------------"); - mput_char('-', strlen(title)); + printf_ln(_("git commands available from elsewhere on your $PATH")); putchar('\n'); - pretty_print_string_list(other_cmds, longest); + pretty_print_string_list(other_cmds, colopts); putchar('\n'); } } +void list_common_cmds_help(void) +{ + int i, longest = 0; + + for (i = 0; i < ARRAY_SIZE(common_cmds); i++) { + if (longest < strlen(common_cmds[i].name)) + longest = strlen(common_cmds[i].name); + } + + puts(_("The most commonly used git commands are:")); + for (i = 0; i < ARRAY_SIZE(common_cmds); i++) { + printf(" %s ", common_cmds[i].name); + mput_char(' ', longest - strlen(common_cmds[i].name)); + puts(_(common_cmds[i].help)); + } +} + int is_in_cmdlist(struct cmdnames *c, const char *s) { int i; @@ -356,14 +337,14 @@ const char *help_unknown_cmd(const char *cmd) } main_cmds.names[i]->len = - levenshtein(cmd, candidate, 0, 2, 1, 4) + 1; + levenshtein(cmd, candidate, 0, 2, 1, 3) + 1; } qsort(main_cmds.names, main_cmds.cnt, sizeof(*main_cmds.names), levenshtein_compare); if (!main_cmds.cnt) - die ("Uh oh. Your system reports no Git commands at all."); + die(_("Uh oh. Your system reports no Git commands at all.")); /* skip and count prefix matches */ for (n = 0; n < main_cmds.cnt && !main_cmds.names[n]->len; n++) @@ -384,23 +365,26 @@ const char *help_unknown_cmd(const char *cmd) const char *assumed = main_cmds.names[0]->name; main_cmds.names[0] = NULL; clean_cmdnames(&main_cmds); - fprintf(stderr, "WARNING: You called a Git command named '%s', " - "which does not exist.\n" - "Continuing under the assumption that you meant '%s'\n", + fprintf_ln(stderr, + _("WARNING: You called a Git command named '%s', " + "which does not exist.\n" + "Continuing under the assumption that you meant '%s'"), cmd, assumed); if (autocorrect > 0) { - fprintf(stderr, "in %0.1f seconds automatically...\n", + fprintf_ln(stderr, _("in %0.1f seconds automatically..."), (float)autocorrect/10.0); poll(NULL, 0, autocorrect * 100); } return assumed; } - fprintf(stderr, "git: '%s' is not a git command. See 'git --help'.\n", cmd); + fprintf_ln(stderr, _("git: '%s' is not a git command. See 'git --help'."), cmd); if (SIMILAR_ENOUGH(best_similarity)) { - fprintf(stderr, "\nDid you mean %s?\n", - n < 2 ? "this": "one of these"); + fprintf_ln(stderr, + Q_("\nDid you mean this?", + "\nDid you mean one of these?", + n)); for (i = 0; i < n; i++) fprintf(stderr, "\t%s\n", main_cmds.names[i]->name); @@ -411,6 +395,59 @@ const char *help_unknown_cmd(const char *cmd) int cmd_version(int argc, const char **argv, const char *prefix) { + /* + * The format of this string should be kept stable for compatibility + * with external projects that rely on the output of "git version". + */ printf("git version %s\n", git_version_string); return 0; } + +struct similar_ref_cb { + const char *base_ref; + struct string_list *similar_refs; +}; + +static int append_similar_ref(const char *refname, const unsigned char *sha1, + int flags, void *cb_data) +{ + struct similar_ref_cb *cb = (struct similar_ref_cb *)(cb_data); + char *branch = strrchr(refname, '/') + 1; + /* A remote branch of the same name is deemed similar */ + if (!prefixcmp(refname, "refs/remotes/") && + !strcmp(branch, cb->base_ref)) + string_list_append(cb->similar_refs, + refname + strlen("refs/remotes/")); + return 0; +} + +static struct string_list guess_refs(const char *ref) +{ + struct similar_ref_cb ref_cb; + struct string_list similar_refs = STRING_LIST_INIT_NODUP; + + ref_cb.base_ref = ref; + ref_cb.similar_refs = &similar_refs; + for_each_ref(append_similar_ref, &ref_cb); + return similar_refs; +} + +void help_unknown_ref(const char *ref, const char *cmd, const char *error) +{ + int i; + struct string_list suggested_refs = guess_refs(ref); + + fprintf_ln(stderr, _("%s: %s - %s"), cmd, ref, error); + + if (suggested_refs.nr > 0) { + fprintf_ln(stderr, + Q_("\nDid you mean this?", + "\nDid you mean one of these?", + suggested_refs.nr)); + for (i = 0; i < suggested_refs.nr; i++) + fprintf(stderr, "\t%s\n", suggested_refs.items[i].string); + } + + string_list_clear(&suggested_refs, 0); + exit(1); +} |