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db_must_be_within_tree();
vid = db_lget_int("checkout",0);
if( vid==0 ) return 2;
vfile_check_signature(vid);
return db_exists("SELECT 1 FROM vfile WHERE chnged"
" OR coalesce(origname!=pathname,0)");
}
/*
** Check to see if the requested co is in fact "checkout-able"
** Return values:
** 0: Not checkout-able (does not exist, or is not an on-disk artifact)
** 1: Is checkout-able.
*/
int checkoutable(const char *zName){
int rc=1; /* assuming is checkout-able */
Blob uuid;
const char *rid=(char *)NULL;
Stmt q; // db query
char *zSQL; //build-up sql
// zSQL = mprintf();
// [create sql statement]
// db_prepare(&q,sqlstmt);
blob_init(&uuid, zName, -1);
if( name_to_uuid(&uuid, 1) ){
fossil_panic(g.zErrMsg);
}
/* nParent=db_text(0,"select rid from blob where uuid=%s",uuid.nameofobj); */
/* int nParent = db_column_int(q, somenum); */
return rc;
}
/*
** Undo the current check-out. Unlink all files from the disk.
** Clear the VFILE table.
*/
void uncheckout(int vid){
if( vid==0 ) return;
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db_begin_transaction();
forceFlag = find_option("force","f",0)!=0;
noWrite = find_option("dontwrite",0,0)!=0;
if( g.argc!=3 ) usage("?--force? VERSION");
if( !forceFlag && unsaved_changes()==1 ){
fossil_fatal("there are unsaved changes in the current checkout");
}
if(!checkoutable()){
fossil_fatal("the VERSION you requested is not a checkout-able artifact");
}
if( forceFlag ){
db_multi_exec("DELETE FROM vfile");
prior = 0;
}else{
prior = db_lget_int("checkout",0);
}
vid = load_vfile(g.argv[2]);
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