* *string and *len will only be substituted, and *string returned (for
* later free()ing) if the string passed in is of the form @{-<n>}.
*/
-static char *substitute_nth_last_branch(const char **string, int *len)
+static char *substitute_branch_name(const char **string, int *len)
{
struct strbuf buf = STRBUF_INIT;
- int ret = interpret_nth_last_branch(*string, &buf);
+ int ret = interpret_branch_name(*string, &buf);
if (ret == *len) {
size_t size;
int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref)
{
- char *last_branch = substitute_nth_last_branch(&str, &len);
+ char *last_branch = substitute_branch_name(&str, &len);
const char **p, *r;
int refs_found = 0;
int dwim_log(const char *str, int len, unsigned char *sha1, char **log)
{
- char *last_branch = substitute_nth_last_branch(&str, &len);
+ char *last_branch = substitute_branch_name(&str, &len);
const char **p;
int logs_found = 0;
struct strbuf buf = STRBUF_INIT;
int ret;
/* try the @{-N} syntax for n-th checkout */
- ret = interpret_nth_last_branch(str+at, &buf);
+ ret = interpret_branch_name(str+at, &buf);
if (ret > 0) {
/* substitute this branch name and restart */
return get_sha1_1(buf.buf, buf.len, sha1);
* If the input was ok but there are not N branch switches in the
* reflog, it returns 0.
*/
-int interpret_nth_last_branch(const char *name, struct strbuf *buf)
+int interpret_branch_name(const char *name, struct strbuf *buf)
{
long nth;
int i, retval;
for_each_recent_reflog_ent("HEAD", grab_nth_branch_switch, 40960, &cb);
if (cb.cnt < nth) {
cb.cnt = 0;
- for (i = 0; i < nth; i++)
- strbuf_release(&cb.buf[i]);
for_each_reflog_ent("HEAD", grab_nth_branch_switch, &cb);
}
if (cb.cnt < nth)
return get_sha1_with_mode(name, sha1, &unused);
}
-int get_sha1_with_mode(const char *name, unsigned char *sha1, unsigned *mode)
+/* Must be called only when object_name:filename doesn't exist. */
+static void diagnose_invalid_sha1_path(const char *prefix,
+ const char *filename,
+ const unsigned char *tree_sha1,
+ const char *object_name)
+{
+ struct stat st;
+ unsigned char sha1[20];
+ unsigned mode;
+
+ if (!prefix)
+ prefix = "";
+
+ if (!lstat(filename, &st))
+ die("Path '%s' exists on disk, but not in '%s'.",
+ filename, object_name);
+ if (errno == ENOENT || errno == ENOTDIR) {
+ char *fullname = xmalloc(strlen(filename)
+ + strlen(prefix) + 1);
+ strcpy(fullname, prefix);
+ strcat(fullname, filename);
+
+ if (!get_tree_entry(tree_sha1, fullname,
+ sha1, &mode)) {
+ die("Path '%s' exists, but not '%s'.\n"
+ "Did you mean '%s:%s'?",
+ fullname,
+ filename,
+ object_name,
+ fullname);
+ }
+ die("Path '%s' does not exist in '%s'",
+ filename, object_name);
+ }
+}
+
+/* Must be called only when :stage:filename doesn't exist. */
+static void diagnose_invalid_index_path(int stage,
+ const char *prefix,
+ const char *filename)
+{
+ struct stat st;
+ struct cache_entry *ce;
+ int pos;
+ unsigned namelen = strlen(filename);
+ unsigned fullnamelen;
+ char *fullname;
+
+ if (!prefix)
+ prefix = "";
+
+ /* Wrong stage number? */
+ pos = cache_name_pos(filename, namelen);
+ if (pos < 0)
+ pos = -pos - 1;
+ ce = active_cache[pos];
+ if (ce_namelen(ce) == namelen &&
+ !memcmp(ce->name, filename, namelen))
+ die("Path '%s' is in the index, but not at stage %d.\n"
+ "Did you mean ':%d:%s'?",
+ filename, stage,
+ ce_stage(ce), filename);
+
+ /* Confusion between relative and absolute filenames? */
+ fullnamelen = namelen + strlen(prefix);
+ fullname = xmalloc(fullnamelen + 1);
+ strcpy(fullname, prefix);
+ strcat(fullname, filename);
+ pos = cache_name_pos(fullname, fullnamelen);
+ if (pos < 0)
+ pos = -pos - 1;
+ ce = active_cache[pos];
+ if (ce_namelen(ce) == fullnamelen &&
+ !memcmp(ce->name, fullname, fullnamelen))
+ die("Path '%s' is in the index, but not '%s'.\n"
+ "Did you mean ':%d:%s'?",
+ fullname, filename,
+ ce_stage(ce), fullname);
+
+ if (!lstat(filename, &st))
+ die("Path '%s' exists on disk, but not in the index.", filename);
+ if (errno == ENOENT || errno == ENOTDIR)
+ die("Path '%s' does not exist (neither on disk nor in the index).",
+ filename);
+
+ free(fullname);
+}
+
+
+int get_sha1_with_mode_1(const char *name, unsigned char *sha1, unsigned *mode, int gently, const char *prefix)
{
int ret, bracket_depth;
int namelen = strlen(name);
}
pos++;
}
+ if (!gently)
+ diagnose_invalid_index_path(stage, prefix, cp);
return -1;
}
for (cp = name, bracket_depth = 0; *cp; cp++) {
}
if (*cp == ':') {
unsigned char tree_sha1[20];
- if (!get_sha1_1(name, cp-name, tree_sha1))
- return get_tree_entry(tree_sha1, cp+1, sha1,
- mode);
+ char *object_name = NULL;
+ if (!gently) {
+ object_name = xmalloc(cp-name+1);
+ strncpy(object_name, name, cp-name);
+ object_name[cp-name] = '\0';
+ }
+ if (!get_sha1_1(name, cp-name, tree_sha1)) {
+ const char *filename = cp+1;
+ ret = get_tree_entry(tree_sha1, filename, sha1, mode);
+ if (!gently) {
+ diagnose_invalid_sha1_path(prefix, filename,
+ tree_sha1, object_name);
+ free(object_name);
+ }
+ return ret;
+ } else {
+ if (!gently)
+ die("Invalid object name '%s'.", object_name);
+ }
}
return ret;
}
projects / thirdparty / git.git / blobdiff