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-rw-r--r--help.c175
1 files changed, 93 insertions, 82 deletions
diff --git a/help.c b/help.c
index 7f4928e..662349d 100644
--- a/help.c
+++ b/help.c
@@ -3,28 +3,10 @@
#include "exec_cmd.h"
#include "levenshtein.h"
#include "help.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 "common-cmds.h"
+#include "string-list.h"
+#include "column.h"
+#include "version.h"
void add_cmdname(struct cmdnames *cmds, const char *name, int len)
{
@@ -91,31 +73,25 @@ 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)
@@ -126,7 +102,10 @@ static int is_executable(const char *name)
!S_ISREG(st.st_mode))
return 0;
-#ifdef WIN32
+#if defined(WIN32) || defined(__CYGWIN__)
+#if defined(__CYGWIN__)
+if ((st.st_mode & S_IXUSR) == 0)
+#endif
{ /* cannot trust the executable bit, peek into the file instead */
char buf[3] = { 0 };
int n;
@@ -221,34 +200,21 @@ 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');
}
}
@@ -298,7 +264,12 @@ static void add_cmd_list(struct cmdnames *cmds, struct cmdnames *old)
}
/* An empirically derived magic number */
-#define SIMILAR_ENOUGH(x) ((x) < 6)
+#define SIMILARITY_FLOOR 7
+#define SIMILAR_ENOUGH(x) ((x) < SIMILARITY_FLOOR)
+
+static const char bad_interpreter_advice[] =
+ N_("'%s' appears to be a git command, but we were not\n"
+ "able to execute it. Maybe git-%s is broken?");
const char *help_unknown_cmd(const char *cmd)
{
@@ -319,42 +290,82 @@ const char *help_unknown_cmd(const char *cmd)
sizeof(main_cmds.names), cmdname_compare);
uniq(&main_cmds);
- /* This reuses cmdname->len for similarity index */
- for (i = 0; i < main_cmds.cnt; ++i)
+ /* This abuses cmdname->len for levenshtein distance */
+ for (i = 0, n = 0; i < main_cmds.cnt; i++) {
+ int cmp = 0; /* avoid compiler stupidity */
+ const char *candidate = main_cmds.names[i]->name;
+
+ /*
+ * An exact match means we have the command, but
+ * for some reason exec'ing it gave us ENOENT; probably
+ * it's a bad interpreter in the #! line.
+ */
+ if (!strcmp(candidate, cmd))
+ die(_(bad_interpreter_advice), cmd, cmd);
+
+ /* Does the candidate appear in common_cmds list? */
+ while (n < ARRAY_SIZE(common_cmds) &&
+ (cmp = strcmp(common_cmds[n].name, candidate)) < 0)
+ n++;
+ if ((n < ARRAY_SIZE(common_cmds)) && !cmp) {
+ /* Yes, this is one of the common commands */
+ n++; /* use the entry from common_cmds[] */
+ if (!prefixcmp(candidate, cmd)) {
+ /* Give prefix match a very good score */
+ main_cmds.names[i]->len = 0;
+ continue;
+ }
+ }
+
main_cmds.names[i]->len =
- levenshtein(cmd, main_cmds.names[i]->name, 0, 2, 1, 4);
+ 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.");
-
- best_similarity = main_cmds.names[0]->len;
- n = 1;
- while (n < main_cmds.cnt && best_similarity == main_cmds.names[n]->len)
- ++n;
+ 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++)
+ ; /* still counting */
+
+ if (main_cmds.cnt <= n) {
+ /* prefix matches with everything? that is too ambiguous */
+ best_similarity = SIMILARITY_FLOOR + 1;
+ } else {
+ /* count all the most similar ones */
+ for (best_similarity = main_cmds.names[n++]->len;
+ (n < main_cmds.cnt &&
+ best_similarity == main_cmds.names[n]->len);
+ n++)
+ ; /* still counting */
+ }
if (autocorrect && n == 1 && SIMILAR_ENOUGH(best_similarity)) {
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);
generated by cgit v0.10.2-6-g49f6 at 2024-04-26 12:07:31 (GMT)