/*
** Create a new phantom with the given UUID and return its artifact ID.
*/
int content_new(const char *zUuid, int isPrivate){
int rid;
static Stmt s1, s2, s3;
assert( g.repositoryOpen );
db_begin_transaction();
if( uuid_is_shunned(zUuid) ){
db_end_transaction(0);
return 0;
}
db_static_prepare(&s1,
"INSERT INTO blob(rcvid,size,uuid,content)"
"VALUES(0,-1,:uuid,NULL)"
);
db_bind_text(&s1, ":uuid", zUuid);
db_exec(&s1);
rid = db_last_insert_rowid();
db_static_prepare(&s2,
"INSERT INTO phantom VALUES(:rid)"
);
db_bind_int(&s2, ":rid", rid);
db_exec(&s2);
if( g.markPrivate || isPrivate ){
db_multi_exec("INSERT INTO private VALUES(%d)", rid);
}else{
db_static_prepare(&s3,
"INSERT INTO unclustered VALUES(:rid)"
);
db_bind_int(&s3, ":rid", rid);
db_exec(&s3);
}
bag_insert(&contentCache.missing, rid);
db_end_transaction(0);
return rid;
}
/*
** Check to see if checkin "rid" is a leaf and either add it to the LEAF
** table if it is, or remove it if it is not.
*/
void leaf_check(int rid){
static Stmt checkIfLeaf;
static Stmt addLeaf;
static Stmt removeLeaf;
int rc;
db_static_prepare(&checkIfLeaf,
"SELECT 1 FROM plink"
" WHERE pid=:rid"
" AND coalesce((SELECT value FROM tagxref"
" WHERE tagid=%d AND rid=:rid),'trunk')"
" == coalesce((SELECT value FROM tagxref"
" WHERE tagid=%d AND rid=plink.cid),'trunk');",
TAG_BRANCH, TAG_BRANCH
);
db_bind_int(&checkIfLeaf, ":rid", rid);
rc = db_step(&checkIfLeaf);
db_reset(&checkIfLeaf);
if( rc==SQLITE_ROW ){
db_static_prepare(&removeLeaf, "DELETE FROM leaf WHERE rid=:rid");
db_bind_int(&removeLeaf, ":rid", rid);
db_step(&removeLeaf);
db_reset(&removeLeaf);
}else{
db_static_prepare(&addLeaf, "INSERT OR IGNORE INTO leaf VALUES(:rid)");
db_bind_int(&addLeaf, ":rid", rid);
db_step(&addLeaf);
db_reset(&addLeaf);
}
}
/*
** Check content that was received with rcvid and return true if any
** fork was created.
*/
int fossil_any_has_fork(int rcvid){
static Stmt q;
int fForkSeen = 0;
if( rcvid==0 ) return 0;
db_static_prepare(&q,
" SELECT pid FROM plink WHERE pid>0 AND isprim"
" AND cid IN (SELECT blob.rid FROM blob"
" WHERE rcvid=:rcvid)");
db_bind_int(&q, ":rcvid", rcvid);
while( !fForkSeen && db_step(&q)==SQLITE_ROW ){
int pid = db_column_int(&q, 0);
if( count_nonbranch_children(pid)>1 ){
compute_leaves(pid,1);
if( db_int(0, "SELECT count(*) FROM leaves")>1 ){
int rid = db_int(0, "SELECT rid FROM leaves, event"
" WHERE event.objid=leaves.rid"
" ORDER BY event.mtime DESC LIMIT 1");
fForkSeen = fossil_find_nearest_fork(rid, db_open_local(0))!=0;
}
}
}
db_finalize(&q);
return fForkSeen;
}
/*
** Compute the "mtime" of the file given whose blob.rid is "fid" that
** is part of check-in "vid". The mtime will be the mtime on vid or
** some ancestor of vid where fid first appears.
*/
int mtime_of_manifest_file(
int vid, /* The check-in that contains fid */
int fid, /* The id of the file whose check-in time is sought */
i64 *pMTime /* Write result here */
){
static int prevVid = -1;
static Stmt q;
if( prevVid!=vid ){
prevVid = vid;
db_multi_exec("DROP TABLE IF EXISTS temp.ok;"
"CREATE TEMP TABLE ok(x INTEGER PRIMARY KEY);");
compute_ancestors(vid, 100000000, 1);
}
db_static_prepare(&q,
"SELECT (max(event.mtime)-2440587.5)*86400 FROM mlink, event"
" WHERE mlink.mid=event.objid"
" AND +mlink.mid IN ok"
" AND mlink.fid=:fid");
db_bind_int(&q, ":fid", fid);
if( db_step(&q)!=SQLITE_ROW ){
db_reset(&q);
return 1;
}
*pMTime = db_column_int64(&q, 0);
db_reset(&q);
return 0;
}
/* This is a helper routine for test-artifacts.
**
** Check to see that artifact zUuid exists in the repository. If it does,
** return 0. If it does not, generate an error message and return 1.
*/
static int check_exists(
const char *zUuid, /* The artifact we are checking for */
unsigned flags, /* Flags */
Manifest *p, /* The control artifact that references zUuid */
const char *zRole, /* Role of zUuid in p */
const char *zDetail /* Additional information, such as a filename */
){
static Stmt q;
int rc = 0;
db_static_prepare(&q, "SELECT size FROM blob WHERE uuid=:uuid");
if( zUuid==0 || zUuid[0]==0 ) return 0;
db_bind_text(&q, ":uuid", zUuid);
if( db_step(&q)==SQLITE_ROW ){
int size = db_column_int(&q, 0);
if( size<0 ) rc = 2;
}else{
rc = 1;
}
db_reset(&q);
if( rc ){
const char *zCFType = "control artifact";
char *zSrc;
char *zDate;
char *zErrType = "MISSING";
if( db_exists("SELECT 1 FROM shun WHERE uuid=%Q", zUuid) ){
if( flags & MISSING_SHUNNED ) return 0;
zErrType = "SHUNNED";
}
switch( p->type ){
case CFTYPE_MANIFEST: zCFType = "check-in"; break;
case CFTYPE_CLUSTER: zCFType = "cluster"; break;
case CFTYPE_CONTROL: zCFType = "tag"; break;
case CFTYPE_WIKI: zCFType = "wiki"; break;
case CFTYPE_TICKET: zCFType = "ticket"; break;
case CFTYPE_ATTACHMENT: zCFType = "attachment"; break;
case CFTYPE_EVENT: zCFType = "event"; break;
}
zSrc = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", p->rid);
if( p->rDate>0.0 ){
zDate = db_text(0, "SELECT datetime(%.17g)", p->rDate);
}else{
zDate = db_text(0,
"SELECT datetime(rcvfrom.mtime)"
" FROM blob, rcvfrom"
" WHERE blob.rcvid=rcvfrom.rcvid"
" AND blob.rid=%d", p->rid);
}
fossil_print("%s: %s\n %s %s %S (%d) %s\n",
zErrType, zUuid, zRole, zCFType, zSrc, p->rid, zDate);
if( zDetail && zDetail[0] ){
fossil_print(" %s\n", zDetail);
}
fossil_free(zSrc);
fossil_free(zDate);
rc = 1;
}
return rc;
}
/*
** Make sure an artifact is public.
*/
void content_make_public(int rid){
static Stmt s1;
db_static_prepare(&s1,
"DELETE FROM private WHERE rid=:rid"
);
db_bind_int(&s1, ":rid", rid);
db_exec(&s1);
}
/*
** Return true if the given RID is marked as PRIVATE.
*/
int content_is_private(int rid){
static Stmt s1;
int rc;
db_static_prepare(&s1,
"SELECT 1 FROM private WHERE rid=:rid"
);
db_bind_int(&s1, ":rid", rid);
rc = db_step(&s1);
db_reset(&s1);
return rc==SQLITE_ROW;
}
/*
** Return the blob.size field given blob.rid
*/
int content_size(int rid, int dflt){
static Stmt q;
int sz = dflt;
db_static_prepare(&q, "SELECT size FROM blob WHERE rid=:r");
db_bind_int(&q, ":r", rid);
if( db_step(&q)==SQLITE_ROW ){
sz = db_column_int(&q, 0);
}
db_reset(&q);
return sz;
}
/*
** Get the blob.content value for blob.rid=rid. Return 1 on success or
** 0 on failure.
*/
static int content_of_blob(int rid, Blob *pBlob){
static Stmt q;
int rc = 0;
db_static_prepare(&q, "SELECT content FROM blob WHERE rid=:rid AND size>=0");
db_bind_int(&q, ":rid", rid);
if( db_step(&q)==SQLITE_ROW ){
db_ephemeral_blob(&q, 0, pBlob);
blob_uncompress(pBlob, pBlob);
rc = 1;
}
db_reset(&q);
return rc;
}
/*
** Return the srcid associated with rid. Or return 0 if rid is
** original content and not a delta.
*/
static int findSrcid(int rid){
static Stmt q;
int srcid;
db_static_prepare(&q, "SELECT srcid FROM delta WHERE rid=:rid");
db_bind_int(&q, ":rid", rid);
if( db_step(&q)==SQLITE_ROW ){
srcid = db_column_int(&q, 0);
}else{
srcid = 0;
}
db_reset(&q);
return srcid;
}
/*
** The input is guaranteed to be a 40-character well-formed UUID.
** Find its rid.
*/
int fast_uuid_to_rid(const char *zUuid){
static Stmt q;
int rid;
db_static_prepare(&q, "SELECT rid FROM blob WHERE uuid=:uuid");
db_bind_text(&q, ":uuid", zUuid);
if( db_step(&q)==SQLITE_ROW ){
rid = db_column_int(&q, 0);
}else{
rid = 0;
}
db_reset(&q);
return rid;
}
/*
** Schedule a leaf check for "rid" and its parents.
*/
void leaf_eventually_check(int rid){
static Stmt parentsOf;
db_static_prepare(&parentsOf,
"SELECT pid FROM plink WHERE cid=:rid AND pid>0"
);
db_bind_int(&parentsOf, ":rid", rid);
bag_insert(&needToCheck, rid);
while( db_step(&parentsOf)==SQLITE_ROW ){
bag_insert(&needToCheck, db_column_int(&parentsOf, 0));
}
db_reset(&parentsOf);
}
/*
** Count the number of primary non-branch children for the given check-in.
**
** A primary child is one where the parent is the primary parent, not
** a merge parent. A "leaf" is a node that has zero children of any
** kind. This routine counts only primary children.
**
** A non-branch child is one which is on the same branch as the parent.
*/
int count_nonbranch_children(int pid){
int nNonBranch = 0;
static Stmt q;
static const char zSql[] =
@ SELECT count(*) FROM plink
@ WHERE pid=:pid AND isprim
@ AND coalesce((SELECT value FROM tagxref
@ WHERE tagid=%d AND rid=plink.pid), 'trunk')
@ =coalesce((SELECT value FROM tagxref
@ WHERE tagid=%d AND rid=plink.cid), 'trunk')
;
db_static_prepare(&q, zSql, TAG_BRANCH, TAG_BRANCH);
db_bind_int(&q, ":pid", pid);
if( db_step(&q)==SQLITE_ROW ){
nNonBranch = db_column_int(&q, 0);
}
db_reset(&q);
return nNonBranch;
}
/*
** Mark artifact rid as being available now. Update the cache to
** show that everything that was formerly unavailable because rid
** was missing is now available.
*/
static void content_mark_available(int rid){
Bag pending;
static Stmt q;
if( bag_find(&contentCache.available, rid) ) return;
bag_init(&pending);
bag_insert(&pending, rid);
while( (rid = bag_first(&pending))!=0 ){
bag_remove(&pending, rid);
bag_remove(&contentCache.missing, rid);
bag_insert(&contentCache.available, rid);
db_static_prepare(&q, "SELECT rid FROM delta WHERE srcid=:rid");
db_bind_int(&q, ":rid", rid);
while( db_step(&q)==SQLITE_ROW ){
int nx = db_column_int(&q, 0);
bag_insert(&pending, nx);
}
db_reset(&q);
}
bag_clear(&pending);
}
/*
** Insert an artifact into the BLOB table if it isn't there already.
** If zMark is not zero, create a cross-reference from that mark back
** to the newly inserted artifact.
**
** If saveUuid is true, then pContent is a commit record. Record its
** UUID in gg.zPrevCheckin.
*/
static int fast_insert_content(Blob *pContent, const char *zMark, int saveUuid){
Blob hash;
Blob cmpr;
int rid;
sha1sum_blob(pContent, &hash);
rid = db_int(0, "SELECT rid FROM blob WHERE uuid=%B", &hash);
if( rid==0 ){
static Stmt ins;
db_static_prepare(&ins,
"INSERT INTO blob(uuid, size, content) VALUES(:uuid, :size, :content)"
);
db_bind_text(&ins, ":uuid", blob_str(&hash));
db_bind_int(&ins, ":size", gg.nData);
blob_compress(pContent, &cmpr);
db_bind_blob(&ins, ":content", &cmpr);
db_step(&ins);
db_reset(&ins);
blob_reset(&cmpr);
rid = db_last_insert_rowid();
}
if( zMark ){
db_multi_exec(
"INSERT OR IGNORE INTO xmark(tname, trid, tuuid)"
"VALUES(%Q,%d,%B)",
zMark, rid, &hash
);
db_multi_exec(
"INSERT OR IGNORE INTO xmark(tname, trid, tuuid)"
"VALUES(%B,%d,%B)",
&hash, rid, &hash
);
}
if( saveUuid ){
fossil_free(gg.zPrevCheckin);
gg.zPrevCheckin = fossil_strdup(blob_str(&hash));
}
blob_reset(&hash);
return rid;
}
/*
** Rebuild cross-referencing information for the artifact
** rid with content pBase and all of its descendants. This
** routine clears the content buffer before returning.
**
** If the zFNameFormat variable is set, then this routine is
** called to run "fossil deconstruct" instead of the usual
** "fossil rebuild". In that case, instead of rebuilding the
** cross-referencing information, write the file content out
** to the appropriate directory.
**
** In both cases, this routine automatically recurses to process
** other artifacts that are deltas off of the current artifact.
** This is the most efficient way to extract all of the original
** artifact content from the Fossil repository.
*/
static void rebuild_step(int rid, int size, Blob *pBase){
static Stmt q1;
Bag children;
Blob copy;
Blob *pUse;
int nChild, i, cid;
while( rid>0 ){
/* Fix up the "blob.size" field if needed. */
if( size!=blob_size(pBase) ){
db_multi_exec(
"UPDATE blob SET size=%d WHERE rid=%d", blob_size(pBase), rid
);
}
/* Find all children of artifact rid */
db_static_prepare(&q1, "SELECT rid FROM delta WHERE srcid=:rid");
db_bind_int(&q1, ":rid", rid);
bag_init(&children);
while( db_step(&q1)==SQLITE_ROW ){
int cid = db_column_int(&q1, 0);
if( !bag_find(&bagDone, cid) ){
bag_insert(&children, cid);
}
}
nChild = bag_count(&children);
db_reset(&q1);
/* Crosslink the artifact */
if( nChild==0 ){
pUse = pBase;
}else{
blob_copy(©, pBase);
pUse = ©
}
if( zFNameFormat==0 ){
/* We are doing "fossil rebuild" */
manifest_crosslink(rid, pUse, MC_NONE);
}else{
/* We are doing "fossil deconstruct" */
char *zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
char *zFile = mprintf(zFNameFormat, zUuid, zUuid+prefixLength);
blob_write_to_file(pUse,zFile);
free(zFile);
free(zUuid);
blob_reset(pUse);
}
assert( blob_is_reset(pUse) );
rebuild_step_done(rid);
/* Call all children recursively */
rid = 0;
for(cid=bag_first(&children), i=1; cid; cid=bag_next(&children, cid), i++){
static Stmt q2;
int sz;
db_static_prepare(&q2, "SELECT content, size FROM blob WHERE rid=:rid");
db_bind_int(&q2, ":rid", cid);
if( db_step(&q2)==SQLITE_ROW && (sz = db_column_int(&q2,1))>=0 ){
Blob delta, next;
db_ephemeral_blob(&q2, 0, &delta);
blob_uncompress(&delta, &delta);
blob_delta_apply(pBase, &delta, &next);
blob_reset(&delta);
db_reset(&q2);
if( i<nChild ){
rebuild_step(cid, sz, &next);
}else{
/* Tail recursion */
rid = cid;
size = sz;
blob_reset(pBase);
*pBase = next;
}
}else{
db_reset(&q2);
blob_reset(pBase);
}
}
bag_clear(&children);
}
}
/*
** Output a "committer" record for the given user.
*/
static void print_person(const char *zUser){
static Stmt q;
const char *zContact;
char *zName;
char *zEmail;
int i, j;
if( zUser==0 ){
printf(" <unknown>");
return;
}
db_static_prepare(&q, "SELECT info FROM user WHERE login=:user");
db_bind_text(&q, ":user", zUser);
if( db_step(&q)!=SQLITE_ROW ){
db_reset(&q);
for(i=0; zUser[i] && zUser[i]!='>' && zUser[i]!='<'; i++){}
if( zUser[i]==0 ){
printf(" %s <%s>", zUser, zUser);
return;
}
zName = mprintf("%s", zUser);
for(i=j=0; zName[i]; i++){
if( zName[i]!='<' && zName[i]!='>' ){
zName[j++] = zName[i];
}
}
zName[j] = 0;
printf(" %s <%s>", zName, zUser);
free(zName);
return;
}
/*
** We have contact information.
** It may or may not contain an email address.
*/
zContact = db_column_text(&q, 0);
for(i=0; zContact[i] && zContact[i]!='>' && zContact[i]!='<'; i++){}
if( zContact[i]==0 ){
/* No email address found. Take as user info if not empty */
printf(" %s <%s>", zContact[0] ? zContact : zUser, zUser);
db_reset(&q);
return;
}
if( zContact[i]=='<' ){
/*
** Found beginning of email address. Look for the end and extract
** the part.
*/
zEmail = mprintf("%s", &zContact[i]);
for(i=0; zEmail[i] && zEmail[i]!='>'; i++){}
if( zEmail[i]=='>' ) zEmail[i+1] = 0;
}else{
/*
** Found an end marker for email, but nothing else.
*/
zEmail = mprintf("<%s>", zUser);
}
/*
** Here zContact[i] either '<' or '>'. Extract the string _before_
** either as user name.
*/
zName = mprintf("%.*s", i-1, zContact);
for(i=j=0; zName[i]; i++){
if( zName[i]!='"' ) zName[j++] = zName[i];
}
zName[j] = 0;
printf(" %s %s", zName, zEmail);
free(zName);
free(zEmail);
db_reset(&q);
}
