u_char *
getStatPtr(
oid *name, /* IN - name of var, OUT - name matched */
size_t *namelen, /* IN -number of sub-ids in name,
OUT - subid-is in matched name */
u_char *type, /* OUT - type of matched variable */
size_t *len, /* OUT - length of matched variable */
u_short *acl, /* OUT - access control list */
int exact, /* IN - TRUE if exact match wanted */
WriteMethod **write_method,
struct snmp_pdu *pdu, /* IN - relevant auth info re PDU */
int *noSuchObject)
{
struct subtree *tp;
oid save[MAX_OID_LEN];
size_t savelen = 0;
u_char result_type;
u_short result_acl;
u_char *search_return=NULL;
found = FALSE;
if (!exact){
memcpy(save, name, *namelen * sizeof(oid));
savelen = *namelen;
}
*write_method = NULL;
DEBUGMSGTL(("snmp_vars", "Looking for: "));
DEBUGMSGOID(("snmp_vars", name, *namelen));
DEBUGMSG(("snmp_vars"," ...\n"));
tp = find_subtree(name, *namelen, NULL);
while ( search_return == NULL && tp != NULL ) {
DEBUGMSGTL(("snmp_vars", "Trying tree: "));
DEBUGMSGOID(("snmp_vars", tp->name, tp->namelen));
DEBUGMSG(("snmp_vars"," ...\n"));
search_return = search_subtree_vars( tp, name, namelen, &result_type,
len, &result_acl, exact, write_method,
pdu, noSuchObject);
if ( search_return != NULL || exact )
break;
tp = tp->next;
}
if ( tp == NULL ) {
if (!search_return && !exact){
memcpy(name, save, savelen * sizeof(oid));
*namelen = savelen;
}
if (found)
*noSuchObject = FALSE;
else
*noSuchObject = TRUE;
return NULL;
}
*type = result_type;
*acl = result_acl;
return search_return;
}
static struct cache_tree *cache_tree_find(struct cache_tree *it, const char *path)
{
if (!it)
return NULL;
while (*path) {
const char *slash;
struct cache_tree_sub *sub;
slash = strchr(path, '/');
if (!slash)
slash = path + strlen(path);
/* between path and slash is the name of the
* subtree to look for.
*/
sub = find_subtree(it, path, slash - path, 0);
if (!sub)
return NULL;
it = sub->cache_tree;
if (slash)
while (*slash && *slash == '/')
slash++;
if (!slash || !*slash)
return it; /* prefix ended with slashes */
path = slash;
}
return it;
}
void cache_tree_invalidate_path(struct cache_tree *it, const char *path)
{
/* a/b/c
* ==> invalidate self
* ==> find "a", have it invalidate "b/c"
* a
* ==> invalidate self
* ==> if "a" exists as a subtree, remove it.
*/
const char *slash;
int namelen;
struct cache_tree_sub *down;
#if DEBUG
fprintf(stderr, "cache-tree invalidate <%s>\n", path);
#endif
if (!it)
return;
slash = strchr(path, '/');
it->entry_count = -1;
if (!slash) {
int pos;
namelen = strlen(path);
pos = subtree_pos(it, path, namelen);
if (0 <= pos) {
cache_tree_free(&it->down[pos]->cache_tree);
free(it->down[pos]);
/* 0 1 2 3 4 5
* ^ ^subtree_nr = 6
* pos
* move 4 and 5 up one place (2 entries)
* 2 = 6 - 3 - 1 = subtree_nr - pos - 1
*/
memmove(it->down+pos, it->down+pos+1,
sizeof(struct cache_tree_sub *) *
(it->subtree_nr - pos - 1));
it->subtree_nr--;
}
return;
}
namelen = slash - path;
down = find_subtree(it, path, namelen, 0);
if (down)
cache_tree_invalidate_path(down->cache_tree, slash + 1);
}
static int do_invalidate_path(struct cache_tree *it, const char *path)
{
/* a/b/c
* ==> invalidate self
* ==> find "a", have it invalidate "b/c"
* a
* ==> invalidate self
* ==> if "a" exists as a subtree, remove it.
*/
const char *slash;
int namelen;
struct cache_tree_sub *down;
#if DEBUG_CACHE_TREE
fprintf(stderr, "cache-tree invalidate <%s>\n", path);
#endif
if (!it)
return 0;
slash = strchrnul(path, '/');
namelen = slash - path;
it->entry_count = -1;
if (!*slash) {
int pos;
pos = subtree_pos(it, path, namelen);
if (0 <= pos) {
cache_tree_free(&it->down[pos]->cache_tree);
free(it->down[pos]);
/* 0 1 2 3 4 5
* ^ ^subtree_nr = 6
* pos
* move 4 and 5 up one place (2 entries)
* 2 = 6 - 3 - 1 = subtree_nr - pos - 1
*/
MOVE_ARRAY(it->down + pos, it->down + pos + 1,
it->subtree_nr - pos - 1);
it->subtree_nr--;
}
return 1;
}
down = find_subtree(it, path, namelen, 0);
if (down)
do_invalidate_path(down->cache_tree, slash + 1);
return 1;
}
static struct cache_tree *cache_tree_find(struct cache_tree *it, const char *path)
{
if (!it)
return NULL;
while (*path) {
const char *slash;
struct cache_tree_sub *sub;
slash = strchrnul(path, '/');
/*
* Between path and slash is the name of the subtree
* to look for.
*/
sub = find_subtree(it, path, slash - path, 0);
if (!sub)
return NULL;
it = sub->cache_tree;
path = slash;
while (*path == '/')
path++;
}
return it;
}
struct cache_tree_sub *cache_tree_sub(struct cache_tree *it, const char *path)
{
int pathlen = strlen(path);
return find_subtree(it, path, pathlen, 1);
}
static int update_one(struct cache_tree *it,
struct cache_entry **cache,
int entries,
const char *base,
int baselen,
int missing_ok,
int dryrun)
{
struct strbuf buffer;
int i;
if (0 <= it->entry_count && has_sha1_file(it->sha1))
return it->entry_count;
/*
* We first scan for subtrees and update them; we start by
* marking existing subtrees -- the ones that are unmarked
* should not be in the result.
*/
for (i = 0; i < it->subtree_nr; i++)
it->down[i]->used = 0;
/*
* Find the subtrees and update them.
*/
for (i = 0; i < entries; i++) {
struct cache_entry *ce = cache[i];
struct cache_tree_sub *sub;
const char *path, *slash;
int pathlen, sublen, subcnt;
path = ce->name;
pathlen = ce_namelen(ce);
if (pathlen <= baselen || memcmp(base, path, baselen))
break; /* at the end of this level */
slash = strchr(path + baselen, '/');
if (!slash)
continue;
/*
* a/bbb/c (base = a/, slash = /c)
* ==>
* path+baselen = bbb/c, sublen = 3
*/
sublen = slash - (path + baselen);
sub = find_subtree(it, path + baselen, sublen, 1);
if (!sub->cache_tree)
sub->cache_tree = cache_tree();
subcnt = update_one(sub->cache_tree,
cache + i, entries - i,
path,
baselen + sublen + 1,
missing_ok,
dryrun);
if (subcnt < 0)
return subcnt;
i += subcnt - 1;
sub->used = 1;
}
discard_unused_subtrees(it);
/*
* Then write out the tree object for this level.
*/
strbuf_init(&buffer, 8192);
for (i = 0; i < entries; i++) {
struct cache_entry *ce = cache[i];
struct cache_tree_sub *sub;
const char *path, *slash;
int pathlen, entlen;
const unsigned char *sha1;
unsigned mode;
path = ce->name;
pathlen = ce_namelen(ce);
if (pathlen <= baselen || memcmp(base, path, baselen))
break; /* at the end of this level */
slash = strchr(path + baselen, '/');
if (slash) {
entlen = slash - (path + baselen);
sub = find_subtree(it, path + baselen, entlen, 0);
if (!sub)
die("cache-tree.c: '%.*s' in '%s' not found",
entlen, path + baselen, path);
i += sub->cache_tree->entry_count - 1;
sha1 = sub->cache_tree->sha1;
mode = S_IFDIR;
}
else {
sha1 = ce->sha1;
mode = ce->ce_mode;
entlen = pathlen - baselen;
}
if (mode != S_IFGITLINK && !missing_ok && !has_sha1_file(sha1))
return error("invalid object %06o %s for '%.*s'",
mode, sha1_to_hex(sha1), entlen+baselen, path);
if (ce->ce_flags & CE_REMOVE)
continue; /* entry being removed */
strbuf_grow(&buffer, entlen + 100);
strbuf_addf(&buffer, "%o %.*s%c", mode, entlen, path + baselen, '\0');
strbuf_add(&buffer, sha1, 20);
#if DEBUG
fprintf(stderr, "cache-tree update-one %o %.*s\n",
mode, entlen, path + baselen);
#endif
}
if (dryrun)
hash_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1);
else if (write_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1)) {
strbuf_release(&buffer);
return -1;
}
strbuf_release(&buffer);
it->entry_count = i;
#if DEBUG
fprintf(stderr, "cache-tree update-one (%d ent, %d subtree) %s\n",
it->entry_count, it->subtree_nr,
sha1_to_hex(it->sha1));
#endif
return i;
}
int
unregister_mib_range( oid *name, size_t len, int priority,
int range_subid, oid range_ubound)
{
struct subtree *list, *myptr;
struct subtree *prev, *child; /* loop through children */
struct register_parameters reg_parms;
list = find_subtree( name, len, subtrees );
if ( list == NULL )
return MIB_NO_SUCH_REGISTRATION;
for ( child=list, prev=NULL; child != NULL;
prev=child, child=child->children ) {
if (( snmp_oid_compare( child->name, child->namelen, name, len) == 0 )
&& ( child->priority == priority ))
break; /* found it */
}
if ( child == NULL )
return MIB_NO_SUCH_REGISTRATION;
unload_subtree( child, prev );
myptr = child; /* remember this for later */
/*
* Now handle any occurances in the following subtrees,
* as a result of splitting this range. Due to the
* nature of the way such splits work, the first
* subtree 'slice' that doesn't refer to the given
* name marks the end of the original region.
*
* This should also serve to register ranges.
*/
for ( list = myptr->next ; list != NULL ; list=list->next ) {
for ( child=list, prev=NULL; child != NULL;
prev=child, child=child->children ) {
if (( snmp_oid_compare( child->name, child->namelen,
name, len) == 0 )
&& ( child->priority == priority )) {
unload_subtree( child, prev );
free_subtree( child );
break;
}
}
if ( child == NULL ) /* Didn't find the given name */
break;
}
free_subtree( myptr );
reg_parms.name = name;
reg_parms.namelen = len;
reg_parms.priority = priority;
reg_parms.range_subid = range_subid;
reg_parms.range_ubound = range_ubound;
snmp_call_callbacks(SNMP_CALLBACK_APPLICATION, SNMPD_CALLBACK_UNREGISTER_OID,
®_parms);
return MIB_UNREGISTERED_OK;
}
int
load_subtree( struct subtree *new_sub )
{
struct subtree *tree1, *tree2, *new2;
struct subtree *prev, *next;
int res;
if ( new_sub == NULL )
return MIB_REGISTERED_OK; /* Degenerate case */
/*
* Find the subtree that contains the start of
* the new subtree (if any)...
*/
tree1 = find_subtree( new_sub->start, new_sub->start_len, NULL );
/*
* ...and the subtree that follows the new one
* (NULL implies this is the final region covered)
*/
if ( tree1 == NULL )
tree2 = find_subtree_next( new_sub->start, new_sub->start_len, NULL );
else
tree2 = tree1->next;
/*
* Handle new subtrees that start in virgin territory.
*/
if ( tree1 == NULL ) {
new2 = NULL;
/* Is there any overlap with later subtrees ? */
if ( tree2 && snmp_oid_compare( new_sub->end, new_sub->end_len,
tree2->start, tree2->start_len ) > 0 )
new2 = split_subtree( new_sub, tree2->start, tree2->start_len );
/*
* Link the new subtree (less any overlapping region)
* with the list of existing registrations
*/
if ( tree2 ) {
new_sub->prev = tree2->prev;
tree2->prev = new_sub;
}
else
new_sub->prev = find_subtree_previous( new_sub->start, new_sub->start_len, NULL );
if ( new_sub->prev )
new_sub->prev->next = new_sub;
else
subtrees = new_sub;
new_sub->next = tree2;
/*
* If there was any overlap,
* recurse to merge in the overlapping region
* (including anything that may follow the overlap)
*/
if ( new2 )
return load_subtree( new2 );
}
else {
/*
* If the new subtree starts *within* an existing registration
* (rather than at the same point as it), then split the
* existing subtree at this point.
*/
if ( snmp_oid_compare( new_sub->start, new_sub->start_len,
tree1->start, tree1->start_len) != 0 )
tree1 = split_subtree( tree1, new_sub->start, new_sub->start_len);
if ( tree1 == NULL )
return MIB_REGISTRATION_FAILED;
/* Now consider the end of this existing subtree:
* If it matches the new subtree precisely,
* simply merge the new one into the list of children
* If it includes the whole of the new subtree,
* split it at the appropriate point, and merge again
*
* If the new subtree extends beyond this existing region,
* split it, and recurse to merge the two parts.
*/
switch ( snmp_oid_compare( new_sub->end, new_sub->end_len,
tree1->end, tree1->end_len)) {
case -1: /* Existing subtree contains new one */
(void) split_subtree( tree1,
new_sub->end, new_sub->end_len);
/* Fall Through */
case 0: /* The two trees match precisely */
/*
* Note: This is the only point where the original
* registration OID ("name") is used
*/
prev = NULL;
next = tree1;
while ( next && next->namelen > new_sub->namelen ) {
prev = next;
next = next->children;
}
while ( next && next->namelen == new_sub->namelen &&
next->priority < new_sub->priority ) {
prev = next;
next = next->children;
}
if ( next && next->namelen == new_sub->namelen &&
next->priority == new_sub->priority )
return MIB_DUPLICATE_REGISTRATION;
if ( prev ) {
new_sub->children = next;
prev->children = new_sub;
new_sub->prev = prev->prev;
new_sub->next = prev->next;
}
else {
new_sub->children = next;
new_sub->prev = next->prev;
new_sub->next = next->next;
for ( next = new_sub->next ;
next != NULL ;
next = next->children )
next->prev = new_sub;
for ( prev = new_sub->prev ;
prev != NULL ;
prev = prev->children )
prev->next = new_sub;
}
break;
case 1: /* New subtree contains the existing one */
new2 = split_subtree( new_sub,
tree1->end, tree1->end_len);
res = load_subtree( new_sub );
if ( res != MIB_REGISTERED_OK )
return res;
return load_subtree( new2 );
}
}
return 0;
}
static void verify_one(struct repository *r,
struct index_state *istate,
struct cache_tree *it,
struct strbuf *path)
{
int i, pos, len = path->len;
struct strbuf tree_buf = STRBUF_INIT;
struct object_id new_oid;
for (i = 0; i < it->subtree_nr; i++) {
strbuf_addf(path, "%s/", it->down[i]->name);
verify_one(r, istate, it->down[i]->cache_tree, path);
strbuf_setlen(path, len);
}
if (it->entry_count < 0 ||
/* no verification on tests (t7003) that replace trees */
lookup_replace_object(r, &it->oid) != &it->oid)
return;
if (path->len) {
pos = index_name_pos(istate, path->buf, path->len);
pos = -pos - 1;
} else {
pos = 0;
}
i = 0;
while (i < it->entry_count) {
struct cache_entry *ce = istate->cache[pos + i];
const char *slash;
struct cache_tree_sub *sub = NULL;
const struct object_id *oid;
const char *name;
unsigned mode;
int entlen;
if (ce->ce_flags & (CE_STAGEMASK | CE_INTENT_TO_ADD | CE_REMOVE))
BUG("%s with flags 0x%x should not be in cache-tree",
ce->name, ce->ce_flags);
name = ce->name + path->len;
slash = strchr(name, '/');
if (slash) {
entlen = slash - name;
sub = find_subtree(it, ce->name + path->len, entlen, 0);
if (!sub || sub->cache_tree->entry_count < 0)
BUG("bad subtree '%.*s'", entlen, name);
oid = &sub->cache_tree->oid;
mode = S_IFDIR;
i += sub->cache_tree->entry_count;
} else {
oid = &ce->oid;
mode = ce->ce_mode;
entlen = ce_namelen(ce) - path->len;
i++;
}
strbuf_addf(&tree_buf, "%o %.*s%c", mode, entlen, name, '\0');
strbuf_add(&tree_buf, oid->hash, the_hash_algo->rawsz);
}
hash_object_file(tree_buf.buf, tree_buf.len, tree_type, &new_oid);
if (!oideq(&new_oid, &it->oid))
BUG("cache-tree for path %.*s does not match. "
"Expected %s got %s", len, path->buf,
oid_to_hex(&new_oid), oid_to_hex(&it->oid));
strbuf_setlen(path, len);
strbuf_release(&tree_buf);
}
static int update_one(struct cache_tree *it,
struct cache_entry **cache,
int entries,
const char *base,
int baselen,
int *skip_count,
int flags)
{
struct strbuf buffer;
int missing_ok = flags & WRITE_TREE_MISSING_OK;
int dryrun = flags & WRITE_TREE_DRY_RUN;
int repair = flags & WRITE_TREE_REPAIR;
int to_invalidate = 0;
int i;
assert(!(dryrun && repair));
*skip_count = 0;
if (0 <= it->entry_count && has_sha1_file(it->oid.hash))
return it->entry_count;
/*
* We first scan for subtrees and update them; we start by
* marking existing subtrees -- the ones that are unmarked
* should not be in the result.
*/
for (i = 0; i < it->subtree_nr; i++)
it->down[i]->used = 0;
/*
* Find the subtrees and update them.
*/
i = 0;
while (i < entries) {
const struct cache_entry *ce = cache[i];
struct cache_tree_sub *sub;
const char *path, *slash;
int pathlen, sublen, subcnt, subskip;
path = ce->name;
pathlen = ce_namelen(ce);
if (pathlen <= baselen || memcmp(base, path, baselen))
break; /* at the end of this level */
slash = strchr(path + baselen, '/');
if (!slash) {
i++;
continue;
}
/*
* a/bbb/c (base = a/, slash = /c)
* ==>
* path+baselen = bbb/c, sublen = 3
*/
sublen = slash - (path + baselen);
sub = find_subtree(it, path + baselen, sublen, 1);
if (!sub->cache_tree)
sub->cache_tree = cache_tree();
subcnt = update_one(sub->cache_tree,
cache + i, entries - i,
path,
baselen + sublen + 1,
&subskip,
flags);
if (subcnt < 0)
return subcnt;
if (!subcnt)
die("index cache-tree records empty sub-tree");
i += subcnt;
sub->count = subcnt; /* to be used in the next loop */
*skip_count += subskip;
sub->used = 1;
}
discard_unused_subtrees(it);
/*
* Then write out the tree object for this level.
*/
strbuf_init(&buffer, 8192);
i = 0;
while (i < entries) {
const struct cache_entry *ce = cache[i];
struct cache_tree_sub *sub = NULL;
const char *path, *slash;
int pathlen, entlen;
const struct object_id *oid;
unsigned mode;
int expected_missing = 0;
int contains_ita = 0;
int ce_missing_ok;
path = ce->name;
pathlen = ce_namelen(ce);
if (pathlen <= baselen || memcmp(base, path, baselen))
break; /* at the end of this level */
slash = strchr(path + baselen, '/');
if (slash) {
entlen = slash - (path + baselen);
sub = find_subtree(it, path + baselen, entlen, 0);
if (!sub)
die("cache-tree.c: '%.*s' in '%s' not found",
entlen, path + baselen, path);
i += sub->count;
oid = &sub->cache_tree->oid;
mode = S_IFDIR;
contains_ita = sub->cache_tree->entry_count < 0;
if (contains_ita) {
to_invalidate = 1;
expected_missing = 1;
}
}
else {
oid = &ce->oid;
mode = ce->ce_mode;
entlen = pathlen - baselen;
i++;
}
ce_missing_ok = mode == S_IFGITLINK || missing_ok ||
(repository_format_partial_clone &&
ce_skip_worktree(ce));
if (is_null_oid(oid) ||
(!ce_missing_ok && !has_object_file(oid))) {
strbuf_release(&buffer);
if (expected_missing)
return -1;
return error("invalid object %06o %s for '%.*s'",
mode, oid_to_hex(oid), entlen+baselen, path);
}
/*
* CE_REMOVE entries are removed before the index is
* written to disk. Skip them to remain consistent
* with the future on-disk index.
*/
if (ce->ce_flags & CE_REMOVE) {
*skip_count = *skip_count + 1;
continue;
}
/*
* CE_INTENT_TO_ADD entries exist on on-disk index but
* they are not part of generated trees. Invalidate up
* to root to force cache-tree users to read elsewhere.
*/
if (!sub && ce_intent_to_add(ce)) {
to_invalidate = 1;
continue;
}
/*
* "sub" can be an empty tree if all subentries are i-t-a.
*/
if (contains_ita && is_empty_tree_oid(oid))
continue;
strbuf_grow(&buffer, entlen + 100);
strbuf_addf(&buffer, "%o %.*s%c", mode, entlen, path + baselen, '\0');
strbuf_add(&buffer, oid->hash, the_hash_algo->rawsz);
#if DEBUG
fprintf(stderr, "cache-tree update-one %o %.*s\n",
mode, entlen, path + baselen);
#endif
}
if (repair) {
struct object_id oid;
hash_object_file(buffer.buf, buffer.len, tree_type, &oid);
if (has_object_file(&oid))
oidcpy(&it->oid, &oid);
else
to_invalidate = 1;
} else if (dryrun) {
hash_object_file(buffer.buf, buffer.len, tree_type, &it->oid);
} else if (write_object_file(buffer.buf, buffer.len, tree_type,
&it->oid)) {
strbuf_release(&buffer);
return -1;
}
strbuf_release(&buffer);
it->entry_count = to_invalidate ? -1 : i - *skip_count;
#if DEBUG
fprintf(stderr, "cache-tree update-one (%d ent, %d subtree) %s\n",
it->entry_count, it->subtree_nr,
oid_to_hex(&it->oid));
#endif
return i;
}
static int update_one(struct cache_tree *it,
const struct cache_entry * const *cache,
int entries,
const char *base,
int baselen,
int *skip_count,
int flags)
{
struct strbuf buffer;
int missing_ok = flags & WRITE_TREE_MISSING_OK;
int dryrun = flags & WRITE_TREE_DRY_RUN;
int to_invalidate = 0;
int i;
*skip_count = 0;
if (0 <= it->entry_count && has_sha1_file(it->sha1))
return it->entry_count;
/*
* We first scan for subtrees and update them; we start by
* marking existing subtrees -- the ones that are unmarked
* should not be in the result.
*/
for (i = 0; i < it->subtree_nr; i++)
it->down[i]->used = 0;
/*
* Find the subtrees and update them.
*/
i = 0;
while (i < entries) {
const struct cache_entry *ce = cache[i];
struct cache_tree_sub *sub;
const char *path, *slash;
int pathlen, sublen, subcnt, subskip;
path = ce->name;
pathlen = ce_namelen(ce);
if (pathlen <= baselen || memcmp(base, path, baselen))
break; /* at the end of this level */
slash = strchr(path + baselen, '/');
if (!slash) {
i++;
continue;
}
/*
* a/bbb/c (base = a/, slash = /c)
* ==>
* path+baselen = bbb/c, sublen = 3
*/
sublen = slash - (path + baselen);
sub = find_subtree(it, path + baselen, sublen, 1);
if (!sub->cache_tree)
sub->cache_tree = cache_tree();
subcnt = update_one(sub->cache_tree,
cache + i, entries - i,
path,
baselen + sublen + 1,
&subskip,
flags);
if (subcnt < 0)
return subcnt;
i += subcnt;
sub->count = subcnt; /* to be used in the next loop */
*skip_count += subskip;
sub->used = 1;
}
discard_unused_subtrees(it);
/*
* Then write out the tree object for this level.
*/
strbuf_init(&buffer, 8192);
i = 0;
while (i < entries) {
const struct cache_entry *ce = cache[i];
struct cache_tree_sub *sub;
const char *path, *slash;
int pathlen, entlen;
const unsigned char *sha1;
unsigned mode;
path = ce->name;
pathlen = ce_namelen(ce);
if (pathlen <= baselen || memcmp(base, path, baselen))
break; /* at the end of this level */
slash = strchr(path + baselen, '/');
if (slash) {
entlen = slash - (path + baselen);
sub = find_subtree(it, path + baselen, entlen, 0);
if (!sub)
die("cache-tree.c: '%.*s' in '%s' not found",
entlen, path + baselen, path);
i += sub->count;
sha1 = sub->cache_tree->sha1;
mode = S_IFDIR;
if (sub->cache_tree->entry_count < 0)
to_invalidate = 1;
}
else {
sha1 = ce->sha1;
mode = ce->ce_mode;
entlen = pathlen - baselen;
i++;
}
if (mode != S_IFGITLINK && !missing_ok && !has_sha1_file(sha1)) {
strbuf_release(&buffer);
return error("invalid object %06o %s for '%.*s'",
mode, sha1_to_hex(sha1), entlen+baselen, path);
}
/*
* CE_REMOVE entries are removed before the index is
* written to disk. Skip them to remain consistent
* with the future on-disk index.
*/
if (ce->ce_flags & CE_REMOVE) {
*skip_count = *skip_count + 1;
continue;
}
/*
* CE_INTENT_TO_ADD entries exist on on-disk index but
* they are not part of generated trees. Invalidate up
* to root to force cache-tree users to read elsewhere.
*/
if (ce->ce_flags & CE_INTENT_TO_ADD) {
to_invalidate = 1;
continue;
}
strbuf_grow(&buffer, entlen + 100);
strbuf_addf(&buffer, "%o %.*s%c", mode, entlen, path + baselen, '\0');
strbuf_add(&buffer, sha1, 20);
#if DEBUG
fprintf(stderr, "cache-tree update-one %o %.*s\n",
mode, entlen, path + baselen);
#endif
}
if (dryrun)
hash_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1);
else if (write_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1)) {
strbuf_release(&buffer);
return -1;
}
strbuf_release(&buffer);
it->entry_count = to_invalidate ? -1 : i - *skip_count;
#if DEBUG
fprintf(stderr, "cache-tree update-one (%d ent, %d subtree) %s\n",
it->entry_count, it->subtree_nr,
sha1_to_hex(it->sha1));
#endif
return i;
}
