return 0;
}
-static int is_empty_blob_sha1(const unsigned char *sha1)
+int is_empty_blob_sha1(const unsigned char *sha1)
{
static const unsigned char empty_blob_sha1[20] = {
0xe6,0x9d,0xe2,0x9b,0xb2,0xd1,0xd6,0x43,0x4b,0x8b,
int size, len;
struct cache_entry *ce;
- if (!verify_path(path))
+ if (!verify_path(path)) {
+ error("Invalid path '%s'", path);
return NULL;
+ }
len = strlen(path);
size = cache_entry_size(len);
if (!ok_to_add)
return -1;
if (!verify_path(ce->name))
- return -1;
+ return error("Invalid path '%s'", ce->name);
if (!skip_df_check &&
check_file_directory_conflict(istate, ce, pos, ok_to_replace)) {
static int verify_hdr(struct cache_header *hdr, unsigned long size)
{
- SHA_CTX c;
+ git_SHA_CTX c;
unsigned char sha1[20];
if (hdr->hdr_signature != htonl(CACHE_SIGNATURE))
return error("bad signature");
if (hdr->hdr_version != htonl(2))
return error("bad index version");
- SHA1_Init(&c);
- SHA1_Update(&c, hdr, size - 20);
- SHA1_Final(sha1, &c);
+ git_SHA1_Init(&c);
+ git_SHA1_Update(&c, hdr, size - 20);
+ git_SHA1_Final(sha1, &c);
if (hashcmp(sha1, (unsigned char *)hdr + size - 20))
return error("bad index file sha1 signature");
return 0;
die("index file corrupt");
}
+int is_index_unborn(struct index_state *istate)
+{
+ return (!istate->cache_nr && !istate->alloc && !istate->timestamp);
+}
+
int discard_index(struct index_state *istate)
{
istate->cache_nr = 0;
istate->cache_changed = 0;
istate->timestamp = 0;
+ istate->name_hash_initialized = 0;
free_hash(&istate->name_hash);
cache_tree_free(&(istate->cache_tree));
free(istate->alloc);
static unsigned char write_buffer[WRITE_BUFFER_SIZE];
static unsigned long write_buffer_len;
-static int ce_write_flush(SHA_CTX *context, int fd)
+static int ce_write_flush(git_SHA_CTX *context, int fd)
{
unsigned int buffered = write_buffer_len;
if (buffered) {
- SHA1_Update(context, write_buffer, buffered);
+ git_SHA1_Update(context, write_buffer, buffered);
if (write_in_full(fd, write_buffer, buffered) != buffered)
return -1;
write_buffer_len = 0;
return 0;
}
-static int ce_write(SHA_CTX *context, int fd, void *data, unsigned int len)
+static int ce_write(git_SHA_CTX *context, int fd, void *data, unsigned int len)
{
while (len) {
unsigned int buffered = write_buffer_len;
return 0;
}
-static int write_index_ext_header(SHA_CTX *context, int fd,
+static int write_index_ext_header(git_SHA_CTX *context, int fd,
unsigned int ext, unsigned int sz)
{
ext = htonl(ext);
(ce_write(context, fd, &sz, 4) < 0)) ? -1 : 0;
}
-static int ce_flush(SHA_CTX *context, int fd)
+static int ce_flush(git_SHA_CTX *context, int fd)
{
unsigned int left = write_buffer_len;
if (left) {
write_buffer_len = 0;
- SHA1_Update(context, write_buffer, left);
+ git_SHA1_Update(context, write_buffer, left);
}
/* Flush first if not enough space for SHA1 signature */
}
/* Append the SHA1 signature at the end */
- SHA1_Final(write_buffer + left, context);
+ git_SHA1_Final(write_buffer + left, context);
left += 20;
return (write_in_full(fd, write_buffer, left) != left) ? -1 : 0;
}
}
}
-static int ce_write_entry(SHA_CTX *c, int fd, struct cache_entry *ce)
+static int ce_write_entry(git_SHA_CTX *c, int fd, struct cache_entry *ce)
{
int size = ondisk_ce_size(ce);
struct ondisk_cache_entry *ondisk = xcalloc(1, size);
int write_index(const struct index_state *istate, int newfd)
{
- SHA_CTX c;
+ git_SHA_CTX c;
struct cache_header hdr;
int i, err, removed;
struct cache_entry **cache = istate->cache;
hdr.hdr_version = htonl(2);
hdr.hdr_entries = htonl(entries - removed);
- SHA1_Init(&c);
+ git_SHA1_Init(&c);
if (ce_write(&c, newfd, &hdr, sizeof(hdr)) < 0)
return -1;
/* Write extension data here */
if (istate->cache_tree) {
- struct strbuf sb;
+ struct strbuf sb = STRBUF_INIT;
- strbuf_init(&sb, 0);
cache_tree_write(&sb, istate->cache_tree);
err = write_index_ext_header(&c, newfd, CACHE_EXT_TREE, sb.len) < 0
|| ce_write(&c, newfd, sb.buf, sb.len) < 0;
int read_index_unmerged(struct index_state *istate)
{
int i;
- struct cache_entry **dst;
- struct cache_entry *last = NULL;
+ int unmerged = 0;
read_index(istate);
- dst = istate->cache;
for (i = 0; i < istate->cache_nr; i++) {
struct cache_entry *ce = istate->cache[i];
- if (ce_stage(ce)) {
- remove_name_hash(ce);
- if (last && !strcmp(ce->name, last->name))
- continue;
- cache_tree_invalidate_path(istate->cache_tree, ce->name);
- last = ce;
+ struct cache_entry *new_ce;
+ int size, len;
+
+ if (!ce_stage(ce))
continue;
- }
- *dst++ = ce;
+ unmerged = 1;
+ len = strlen(ce->name);
+ size = cache_entry_size(len);
+ new_ce = xcalloc(1, size);
+ hashcpy(new_ce->sha1, ce->sha1);
+ memcpy(new_ce->name, ce->name, len);
+ new_ce->ce_flags = create_ce_flags(len, 0);
+ new_ce->ce_mode = ce->ce_mode;
+ if (add_index_entry(istate, new_ce, 0))
+ return error("%s: cannot drop to stage #0",
+ ce->name);
+ i = index_name_pos(istate, new_ce->name, len);
}
- istate->cache_nr = dst - istate->cache;
- return !!last;
+ return unmerged;
}
struct update_callback_data
return !!data.add_errors;
}
+/*
+ * Returns 1 if the path is an "other" path with respect to
+ * the index; that is, the path is not mentioned in the index at all,
+ * either as a file, a directory with some files in the index,
+ * or as an unmerged entry.
+ *
+ * We helpfully remove a trailing "/" from directories so that
+ * the output of read_directory can be used as-is.
+ */
+int index_name_is_other(const struct index_state *istate, const char *name,
+ int namelen)
+{
+ int pos;
+ if (namelen && name[namelen - 1] == '/')
+ namelen--;
+ pos = index_name_pos(istate, name, namelen);
+ if (0 <= pos)
+ return 0; /* exact match */
+ pos = -pos - 1;
+ if (pos < istate->cache_nr) {
+ struct cache_entry *ce = istate->cache[pos];
+ if (ce_namelen(ce) == namelen &&
+ !memcmp(ce->name, name, namelen))
+ return 0; /* Yup, this one exists unmerged */
+ }
+ return 1;
+}