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-rw-r--r--help.c61
1 files changed, 54 insertions, 7 deletions
diff --git a/help.c b/help.c
index 02ba043319..df7d16d7ce 100644
--- a/help.c
+++ b/help.c
@@ -7,6 +7,7 @@
#include "string-list.h"
#include "column.h"
#include "version.h"
+#include "refs.h"
void add_cmdname(struct cmdnames *cmds, const char *name, int len)
{
@@ -106,10 +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;
@@ -150,7 +148,7 @@ static void list_commands_in_dir(struct cmdnames *cmds,
while ((de = readdir(dir)) != NULL) {
int entlen;
- if (prefixcmp(de->d_name, prefix))
+ if (!starts_with(de->d_name, prefix))
continue;
strbuf_setlen(&buf, len);
@@ -257,7 +255,7 @@ static int git_unknown_cmd_config(const char *var, const char *value, void *cb)
if (!strcmp(var, "help.autocorrect"))
autocorrect = git_config_int(var,value);
/* Also use aliases for command lookup */
- if (!prefixcmp(var, "alias."))
+ if (starts_with(var, "alias."))
add_cmdname(&aliases, var + 6, strlen(var + 6));
return git_default_config(var, value, cb);
@@ -331,7 +329,7 @@ const char *help_unknown_cmd(const char *cmd)
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)) {
+ if (starts_with(candidate, cmd)) {
/* Give prefix match a very good score */
main_cmds.names[i]->len = 0;
continue;
@@ -404,3 +402,52 @@ int cmd_version(int argc, const char **argv, const char *prefix)
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 (starts_with(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);
+}