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-rw-r--r--read-cache.c72
1 files changed, 48 insertions, 24 deletions
diff --git a/read-cache.c b/read-cache.c
index db27766055..38d67faf70 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -19,9 +19,6 @@
#include "split-index.h"
#include "utf8.h"
-static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
- unsigned int options);
-
/* Mask for the name length in ce_flags in the on-disk index */
#define CE_NAMEMASK (0x0fff)
@@ -164,7 +161,7 @@ static int ce_compare_data(const struct cache_entry *ce, struct stat *st)
if (fd >= 0) {
unsigned char sha1[20];
if (!index_fd(sha1, fd, st, OBJ_BLOB, ce->name, 0))
- match = hashcmp(sha1, ce->sha1);
+ match = hashcmp(sha1, ce->oid.hash);
/* index_fd() closed the file descriptor already */
}
return match;
@@ -181,7 +178,7 @@ static int ce_compare_link(const struct cache_entry *ce, size_t expected_size)
if (strbuf_readlink(&sb, ce->name, expected_size))
return -1;
- buffer = read_sha1_file(ce->sha1, &type, &size);
+ buffer = read_sha1_file(ce->oid.hash, &type, &size);
if (buffer) {
if (size == sb.len)
match = memcmp(buffer, sb.buf, size);
@@ -205,7 +202,7 @@ static int ce_compare_gitlink(const struct cache_entry *ce)
*/
if (resolve_gitlink_ref(ce->name, "HEAD", sha1) < 0)
return 0;
- return hashcmp(sha1, ce->sha1);
+ return hashcmp(sha1, ce->oid.hash);
}
static int ce_modified_check_fs(const struct cache_entry *ce, struct stat *st)
@@ -265,7 +262,7 @@ static int ce_match_stat_basic(const struct cache_entry *ce, struct stat *st)
/* Racily smudged entry? */
if (!ce->ce_stat_data.sd_size) {
- if (!is_empty_blob_sha1(ce->sha1))
+ if (!is_empty_blob_sha1(ce->oid.hash))
changed |= DATA_CHANGED;
}
@@ -627,10 +624,10 @@ void set_object_name_for_intent_to_add_entry(struct cache_entry *ce)
unsigned char sha1[20];
if (write_sha1_file("", 0, blob_type, sha1))
die("cannot create an empty blob in the object database");
- hashcpy(ce->sha1, sha1);
+ hashcpy(ce->oid.hash, sha1);
}
-int add_to_index(struct index_state *istate, const char *path, struct stat *st, int flags, int force_mode)
+int add_to_index(struct index_state *istate, const char *path, struct stat *st, int flags)
{
int size, namelen, was_same;
mode_t st_mode = st->st_mode;
@@ -659,11 +656,10 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
else
ce->ce_flags |= CE_INTENT_TO_ADD;
- if (S_ISREG(st_mode) && force_mode)
- ce->ce_mode = create_ce_mode(force_mode);
- else if (trust_executable_bit && has_symlinks)
+
+ if (trust_executable_bit && has_symlinks) {
ce->ce_mode = create_ce_mode(st_mode);
- else {
+ } else {
/* If there is an existing entry, pick the mode bits and type
* from it, otherwise assume unexecutable regular file.
*/
@@ -694,7 +690,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
return 0;
}
if (!intent_only) {
- if (index_path(ce->sha1, path, st, HASH_WRITE_OBJECT)) {
+ if (index_path(ce->oid.hash, path, st, HASH_WRITE_OBJECT)) {
free(ce);
return error("unable to index file %s", path);
}
@@ -708,7 +704,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
/* It was suspected to be racily clean, but it turns out to be Ok */
was_same = (alias &&
!ce_stage(alias) &&
- !hashcmp(alias->sha1, ce->sha1) &&
+ !oidcmp(&alias->oid, &ce->oid) &&
ce->ce_mode == alias->ce_mode);
if (pretend)
@@ -722,13 +718,12 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
return 0;
}
-int add_file_to_index(struct index_state *istate, const char *path,
- int flags, int force_mode)
+int add_file_to_index(struct index_state *istate, const char *path, int flags)
{
struct stat st;
if (lstat(path, &st))
die_errno("unable to stat '%s'", path);
- return add_to_index(istate, path, &st, flags, force_mode);
+ return add_to_index(istate, path, &st, flags);
}
struct cache_entry *make_cache_entry(unsigned int mode,
@@ -747,7 +742,7 @@ struct cache_entry *make_cache_entry(unsigned int mode,
size = cache_entry_size(len);
ce = xcalloc(1, size);
- hashcpy(ce->sha1, sha1);
+ hashcpy(ce->oid.hash, sha1);
memcpy(ce->name, path, len);
ce->ce_flags = create_ce_flags(stage);
ce->ce_namelen = len;
@@ -759,6 +754,35 @@ struct cache_entry *make_cache_entry(unsigned int mode,
return ret;
}
+/*
+ * Chmod an index entry with either +x or -x.
+ *
+ * Returns -1 if the chmod for the particular cache entry failed (if it's
+ * not a regular file), -2 if an invalid flip argument is passed in, 0
+ * otherwise.
+ */
+int chmod_index_entry(struct index_state *istate, struct cache_entry *ce,
+ char flip)
+{
+ if (!S_ISREG(ce->ce_mode))
+ return -1;
+ switch (flip) {
+ case '+':
+ ce->ce_mode |= 0111;
+ break;
+ case '-':
+ ce->ce_mode &= ~0111;
+ break;
+ default:
+ return -2;
+ }
+ cache_tree_invalidate_path(istate, ce->name);
+ ce->ce_flags |= CE_UPDATE_IN_BASE;
+ istate->cache_changed |= CE_ENTRY_CHANGED;
+
+ return 0;
+}
+
int ce_same_name(const struct cache_entry *a, const struct cache_entry *b)
{
int len = ce_namelen(a);
@@ -1257,7 +1281,7 @@ int refresh_index(struct index_state *istate, unsigned int flags,
return has_errors;
}
-static struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
+struct cache_entry *refresh_cache_entry(struct cache_entry *ce,
unsigned int options)
{
return refresh_cache_ent(&the_index, ce, options, NULL, NULL);
@@ -1427,7 +1451,7 @@ static struct cache_entry *cache_entry_from_ondisk(struct ondisk_cache_entry *on
ce->ce_flags = flags & ~CE_NAMEMASK;
ce->ce_namelen = len;
ce->index = 0;
- hashcpy(ce->sha1, ondisk->sha1);
+ hashcpy(ce->oid.hash, ondisk->sha1);
memcpy(ce->name, name, len);
ce->name[len] = '\0';
return ce;
@@ -1852,7 +1876,7 @@ static char *copy_cache_entry_to_ondisk(struct ondisk_cache_entry *ondisk,
ondisk->uid = htonl(ce->ce_stat_data.sd_uid);
ondisk->gid = htonl(ce->ce_stat_data.sd_gid);
ondisk->size = htonl(ce->ce_stat_data.sd_size);
- hashcpy(ondisk->sha1, ce->sha1);
+ hashcpy(ondisk->sha1, ce->oid.hash);
flags = ce->ce_flags & ~CE_NAMEMASK;
flags |= (ce_namelen(ce) >= CE_NAMEMASK ? CE_NAMEMASK : ce_namelen(ce));
@@ -2041,7 +2065,7 @@ static int do_write_index(struct index_state *istate, int newfd,
continue;
if (!ce_uptodate(ce) && is_racy_timestamp(istate, ce))
ce_smudge_racily_clean_entry(ce);
- if (is_null_sha1(ce->sha1)) {
+ if (is_null_oid(&ce->oid)) {
static const char msg[] = "cache entry has null sha1: %s";
static int allow = -1;
@@ -2288,7 +2312,7 @@ void *read_blob_data_from_index(struct index_state *istate, const char *path, un
}
if (pos < 0)
return NULL;
- data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz);
+ data = read_sha1_file(istate->cache[pos]->oid.hash, &type, &sz);
if (!data || type != OBJ_BLOB) {
free(data);
return NULL;