/*
** Change the storage of rid so that it is a delta of srcid.
**
** If rid is already a delta from some other place then no
** conversion occurs and this is a no-op unless force==1.
**
** Never generate a delta that carries a private artifact into a public
** artifact. Otherwise, when we go to send the public artifact on a
** sync operation, the other end of the sync will never be able to receive
** the source of the delta. It is OK to delta private->private and
** public->private and public->public. Just no private->public delta.
**
** If srcid is a delta that depends on rid, then srcid is
** converted to undeltaed text.
**
** If either rid or srcid contain less than 50 bytes, or if the
** resulting delta does not achieve a compression of at least 25%
** the rid is left untouched.
**
** Return 1 if a delta is made and 0 if no delta occurs.
*/
int content_deltify(int rid, int srcid, int force){
int s;
Blob data, src, delta;
Stmt s1, s2;
int rc = 0;
if( srcid==rid ) return 0;
if( !force && findSrcid(rid)>0 ) return 0;
if( content_is_private(srcid) && !content_is_private(rid) ){
return 0;
}
s = srcid;
while( (s = findSrcid(s))>0 ){
if( s==rid ){
content_undelta(srcid);
break;
}
}
content_get(srcid, &src);
if( blob_size(&src)<50 ){
blob_reset(&src);
return 0;
}
content_get(rid, &data);
if( blob_size(&data)<50 ){
blob_reset(&src);
blob_reset(&data);
return 0;
}
blob_delta_create(&src, &data, &delta);
if( blob_size(&delta) <= blob_size(&data)*0.75 ){
blob_compress(&delta, &delta);
db_prepare(&s1, "UPDATE blob SET content=:data WHERE rid=%d", rid);
db_prepare(&s2, "REPLACE INTO delta(rid,srcid)VALUES(%d,%d)", rid, srcid);
db_bind_blob(&s1, ":data", &delta);
db_begin_transaction();
db_exec(&s1);
db_exec(&s2);
db_end_transaction(0);
db_finalize(&s1);
db_finalize(&s2);
verify_before_commit(rid);
rc = 1;
}
blob_reset(&src);
blob_reset(&data);
blob_reset(&delta);
return rc;
}
/*
** COMMAND: test-tag
** %fossil test-tag (+|*|-)TAGNAME ARTIFACT-ID ?VALUE?
**
** Add a tag or anti-tag to the rebuildable tables of the local repository.
** No tag artifact is created so the new tag is erased the next
** time the repository is rebuilt. This routine is for testing
** use only.
*/
void testtag_cmd(void){
const char *zTag;
const char *zValue;
int rid;
int tagtype;
db_must_be_within_tree();
if( g.argc!=4 && g.argc!=5 ){
usage("TAGNAME ARTIFACT-ID ?VALUE?");
}
zTag = g.argv[2];
switch( zTag[0] ){
case '+': tagtype = 1; break;
case '*': tagtype = 2; break;
case '-': tagtype = 0; break;
default:
fossil_fatal("tag should begin with '+', '*', or '-'");
return;
}
rid = name_to_rid(g.argv[3]);
if( rid==0 ){
fossil_fatal("no such object: %s", g.argv[3]);
}
g.markPrivate = content_is_private(rid);
zValue = g.argc==5 ? g.argv[4] : 0;
db_begin_transaction();
tag_insert(zTag, tagtype, zValue, -1, 0.0, rid);
db_end_transaction(0);
}
/*
** Add a control record to the repository that either creates
** or cancels a tag.
*/
void tag_add_artifact(
const char *zPrefix, /* Prefix to prepend to tag name */
const char *zTagname, /* The tag to add or cancel */
const char *zObjName, /* Name of object attached to */
const char *zValue, /* Value for the tag. Might be NULL */
int tagtype, /* 0:cancel 1:singleton 2:propagated */
const char *zDateOvrd, /* Override date string */
const char *zUserOvrd /* Override user name */
){
int rid;
int nrid;
char *zDate;
Blob uuid;
Blob ctrl;
Blob cksum;
static const char zTagtype[] = { '-', '+', '*' };
assert( tagtype>=0 && tagtype<=2 );
user_select();
blob_zero(&uuid);
blob_append(&uuid, zObjName, -1);
if( name_to_uuid(&uuid, 9, "*") ){
fossil_fatal("%s", g.zErrMsg);
return;
}
rid = name_to_rid(blob_str(&uuid));
g.markPrivate = content_is_private(rid);
blob_zero(&ctrl);
#if 0
if( validate16(zTagname, strlen(zTagname)) ){
fossil_fatal(
"invalid tag name \"%s\" - might be confused with"
" a hexadecimal artifact ID",
zTagname
);
}
#endif
zDate = date_in_standard_format(zDateOvrd ? zDateOvrd : "now");
blob_appendf(&ctrl, "D %s\n", zDate);
blob_appendf(&ctrl, "T %c%s%F %b",
zTagtype[tagtype], zPrefix, zTagname, &uuid);
if( tagtype>0 && zValue && zValue[0] ){
blob_appendf(&ctrl, " %F\n", zValue);
}else{
blob_appendf(&ctrl, "\n");
}
blob_appendf(&ctrl, "U %F\n", zUserOvrd ? zUserOvrd : g.zLogin);
md5sum_blob(&ctrl, &cksum);
blob_appendf(&ctrl, "Z %b\n", &cksum);
nrid = content_put(&ctrl);
manifest_crosslink(nrid, &ctrl);
assert( blob_is_reset(&ctrl) );
}
/*
** fossil branch new BRANCH-NAME ?ORIGIN-CHECK-IN? ?-bgcolor COLOR?
** argv0 argv1 argv2 argv3 argv4
*/
void branch_new(void){
int rootid; /* RID of the root check-in - what we branch off of */
int brid; /* RID of the branch check-in */
int noSign; /* True if the branch is unsigned */
int i; /* Loop counter */
char *zUuid; /* Artifact ID of origin */
Stmt q; /* Generic query */
const char *zBranch; /* Name of the new branch */
char *zDate; /* Date that branch was created */
char *zComment; /* Check-in comment for the new branch */
const char *zColor; /* Color of the new branch */
Blob branch; /* manifest for the new branch */
Manifest *pParent; /* Parsed parent manifest */
Blob mcksum; /* Self-checksum on the manifest */
const char *zDateOvrd; /* Override date string */
const char *zUserOvrd; /* Override user name */
int isPrivate = 0; /* True if the branch should be private */
noSign = find_option("nosign","",0)!=0;
zColor = find_option("bgcolor","c",1);
isPrivate = find_option("private",0,0)!=0;
zDateOvrd = find_option("date-override",0,1);
zUserOvrd = find_option("user-override",0,1);
verify_all_options();
if( g.argc<5 ){
usage("new BRANCH-NAME CHECK-IN ?-bgcolor COLOR?");
}
db_find_and_open_repository(0, 0);
noSign = db_get_int("omitsign", 0)|noSign;
/* fossil branch new name */
zBranch = g.argv[3];
if( zBranch==0 || zBranch[0]==0 ){
fossil_panic("branch name cannot be empty");
}
if( db_exists(
"SELECT 1 FROM tagxref"
" WHERE tagtype>0"
" AND tagid=(SELECT tagid FROM tag WHERE tagname='sym-%s')",
zBranch)!=0 ){
fossil_fatal("branch \"%s\" already exists", zBranch);
}
user_select();
db_begin_transaction();
rootid = name_to_typed_rid(g.argv[4], "ci");
if( rootid==0 ){
fossil_fatal("unable to locate check-in off of which to branch");
}
pParent = manifest_get(rootid, CFTYPE_MANIFEST);
if( pParent==0 ){
fossil_fatal("%s is not a valid check-in", g.argv[4]);
}
/* Create a manifest for the new branch */
blob_zero(&branch);
if( pParent->zBaseline ){
blob_appendf(&branch, "B %s\n", pParent->zBaseline);
}
zComment = mprintf("Create new branch named \"%h\"", zBranch);
blob_appendf(&branch, "C %F\n", zComment);
zDate = date_in_standard_format(zDateOvrd ? zDateOvrd : "now");
blob_appendf(&branch, "D %s\n", zDate);
/* Copy all of the content from the parent into the branch */
for(i=0; i<pParent->nFile; ++i){
blob_appendf(&branch, "F %F", pParent->aFile[i].zName);
if( pParent->aFile[i].zUuid ){
blob_appendf(&branch, " %s", pParent->aFile[i].zUuid);
if( pParent->aFile[i].zPerm && pParent->aFile[i].zPerm[0] ){
blob_appendf(&branch, " %s", pParent->aFile[i].zPerm);
}
}
blob_append(&branch, "\n", 1);
}
zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rootid);
blob_appendf(&branch, "P %s\n", zUuid);
if( pParent->zRepoCksum ){
blob_appendf(&branch, "R %s\n", pParent->zRepoCksum);
}
manifest_destroy(pParent);
/* Add the symbolic branch name and the "branch" tag to identify
** this as a new branch */
if( content_is_private(rootid) ) isPrivate = 1;
if( isPrivate && zColor==0 ) zColor = "#fec084";
if( zColor!=0 ){
blob_appendf(&branch, "T *bgcolor * %F\n", zColor);
}
blob_appendf(&branch, "T *branch * %F\n", zBranch);
blob_appendf(&branch, "T *sym-%F *\n", zBranch);
if( isPrivate ){
blob_appendf(&branch, "T +private *\n");
noSign = 1;
}
/* Cancel all other symbolic tags */
db_prepare(&q,
"SELECT tagname FROM tagxref, tag"
" WHERE tagxref.rid=%d AND tagxref.tagid=tag.tagid"
" AND tagtype>0 AND tagname GLOB 'sym-*'"
" ORDER BY tagname",
rootid);
while( db_step(&q)==SQLITE_ROW ){
const char *zTag = db_column_text(&q, 0);
blob_appendf(&branch, "T -%F *\n", zTag);
}
db_finalize(&q);
blob_appendf(&branch, "U %F\n", zUserOvrd ? zUserOvrd : g.zLogin);
md5sum_blob(&branch, &mcksum);
blob_appendf(&branch, "Z %b\n", &mcksum);
if( !noSign && clearsign(&branch, &branch) ){
Blob ans;
blob_zero(&ans);
prompt_user("unable to sign manifest. continue (y/N)? ", &ans);
if( blob_str(&ans)[0]!='y' ){
db_end_transaction(1);
fossil_exit(1);
}
}
brid = content_put_ex(&branch, 0, 0, 0, isPrivate);
if( brid==0 ){
fossil_panic("trouble committing manifest: %s", g.zErrMsg);
}
db_multi_exec("INSERT OR IGNORE INTO unsent VALUES(%d)", brid);
if( manifest_crosslink(brid, &branch)==0 ){
fossil_panic("unable to install new manifest");
}
assert( blob_is_reset(&branch) );
content_deltify(rootid, brid, 0);
zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", brid);
fossil_print("New branch: %s\n", zUuid);
if( g.argc==3 ){
fossil_print(
"\n"
"Note: the local check-out has not been updated to the new\n"
" branch. To begin working on the new branch, do this:\n"
"\n"
" %s update %s\n",
fossil_nameofexe(), zBranch
);
}
/* Commit */
db_end_transaction(0);
/* Do an autosync push, if requested */
if( !isPrivate ) autosync(AUTOSYNC_PUSH);
}
