Fossil

void changes_cmd(void){
  int useSha1sum = find_option("sha1sum", 0, 0)!=0;
  int showHdr = find_option("header",0,0)!=0;
  int verboseFlag = find_option("verbose","v",0)!=0;
  int cwdRelative = 0;
  db_must_be_within_tree();
  cwdRelative = determine_cwd_relative_option();
  
  /* We should be done with options.. */
  verify_all_options();

  print_changes(useSha1sum, showHdr, verboseFlag, cwdRelative);
}

/*

  int useSha1sum = find_option("sha1sum", 0, 0)!=0;
  int showHdr = find_option("header",0,0)!=0;
  int verboseFlag = find_option("verbose","v",0)!=0;
  int cwdRelative = 0;
  db_must_be_within_tree();
       /* 012345678901234 */
  cwdRelative = determine_cwd_relative_option();
  
  /* We should be done with options.. */
  verify_all_options();

  fossil_print("repository:   %s\n", db_repository_filename());
  fossil_print("local-root:   %s\n", g.zLocalRoot);
  if( g.zConfigDbName ){
    fossil_print("config-db:    %s\n", g.zConfigDbName);
  }
  vid = db_lget_int("checkout", 0);
  if( vid ){
    show_common_info(vid, "checkout:", 1, 1);
  }
  db_record_repository_filename(0); 
  print_changes(useSha1sum, showHdr, verboseFlag, cwdRelative);
}

/*
** COMMAND: ls
**
** Usage: %fossil ls ?OPTIONS? ?VERSION? ?FILENAMES?

  Glob *pIgnore;
  Blob rewrittenPathname;
  const char *zPathname, *zDisplayName;

  if( find_option("temp",0,0)!=0 ) scanFlags |= SCAN_TEMP;
  db_must_be_within_tree();
  cwdRelative = determine_cwd_relative_option();
  
  /* We should be done with options.. */
  verify_all_options();

  if( zIgnoreFlag==0 ){
    zIgnoreFlag = db_get("ignore-glob", 0);
  }
  pIgnore = glob_create(zIgnoreFlag);

    fossil_fatal("would fork.  \"update\" first or use --allow-fork.");
  }

  /*
  ** Do not allow a commit against a closed leaf unless the commit
  ** ends up on a different branch.
  */
  if( 
      /* parent checkin has the "closed" tag... */
      db_exists("SELECT 1 FROM tagxref"
                " WHERE tagid=%d AND rid=%d AND tagtype>0",
                TAG_CLOSED, vid)
      /* ... and the new checkin has no --branch option or the --branch
      ** option does not actually change the branch */
   && (sCiInfo.zBranch==0

/*
** COMMAND: clone
**
** Usage: %fossil clone ?OPTIONS? URL FILENAME
**
** Make a clone of a repository specified by URL in the local
** file named FILENAME.  
**
** URL must be in one of the following form: ([...] mean optional)
**   HTTP/HTTPS protocol:
**     http[s]://[userid[:password]@]host[:port][/path]
**
**   SSH protocol:
**     ssh://[userid[:password]@]host[:port]/path/to/repo.fossil\\
**     [?fossil=path/to/fossil.exe]
**
**   Filesystem:
**     [file://]path/to/repo.fossil
**
**   Note: For ssh and filesystem, path must have an extra leading 
**         '/' to use an absolute path.
**
** By default, your current login name is used to create the default
** admin user. This can be overridden using the -A|--admin-user
** parameter.
**
** Options:
**    --admin-user|-A USERNAME   Make USERNAME the administrator
**    --once                     Don't save url.
**    --private                  Also clone private branches 
**    --ssl-identity=filename    Use the SSL identity if requested by the server
**    --ssh-command|-c 'command' Use this SSH command
**    --httpauth|-B 'user:pass'  Add HTTP Basic Authorization to requests
**    --verbose                  Show more statistics in output
**
** See also: init
*/

  if( find_option("private",0,0)!=0 ) syncFlags |= SYNC_PRIVATE;
  if( find_option("once",0,0)!=0) urlFlags &= ~URL_REMEMBER;
  if( find_option("verbose",0,0)!=0) syncFlags |= SYNC_VERBOSE;
  zHttpAuth = find_option("httpauth","B",1);
  zDefaultUser = find_option("admin-user","A",1);
  clone_ssh_find_options();
  url_proxy_options();
  
  /* We should be done with options.. */
  verify_all_options();

  if( g.argc < 4 ){
    usage("?OPTIONS? FILE-OR-URL NEW-REPOSITORY");
  }
  db_open_config(0);

  zPassword = db_text(0, "SELECT pw FROM user WHERE login=%Q", g.zLogin);
  fossil_print("admin-user: %s (password is \"%s\")\n", g.zLogin, zPassword);
  db_end_transaction(0);
}

/*
** If user chooses to use HTTP Authentication over unencrypted HTTP,
** remember decision.  Otherwise, if the URL is being changed and no 
** preference has been indicated, err on the safe side and revert the
** decision. Set the global preference if the URL is not being changed.
*/
void remember_or_get_http_auth(
  const char *zHttpAuth,  /* Credentials in the form "user:password" */
  int fRemember,          /* True to remember credentials for later reuse */
  const char *zUrl        /* URL for which these credentials apply */

  zSshCmd = find_option("ssh-command","c",1);
  if( zSshCmd && zSshCmd[0] ){
    g.zSshCmd = mprintf("%s", zSshCmd);
  }
}

/*
** Set SSH options discovered in global variables (set from command line 
** options).
*/
void clone_ssh_db_set_options(void){
  if( g.zSshCmd && g.zSshCmd[0] ){
    db_set("ssh-command", g.zSshCmd, 0);
  }
}

**
*******************************************************************************
**
** This module implements the interface to the delta generator.
*/
#include "config.h"
#include "deltacmd.h"
 
/*
** Create a delta that describes the change from pOriginal to pTarget
** and put that delta in pDelta.  The pDelta blob is assumed to be
** uninitialized.
*/
int blob_delta_create(Blob *pOriginal, Blob *pTarget, Blob *pDelta){
  const char *zOrig, *zTarg;

/*
** COMMAND: export
**
** Usage: %fossil export --git ?OPTIONS? ?REPOSITORY?
**
** Write an export of all check-ins to standard output.  The export is
** written in the git-fast-export file format assuming the --git option is
** provided.  The git-fast-export format is currently the only VCS 
** interchange format supported, though other formats may be added in
** the future.
**
** Run this command within a checkout.  Or use the -R or --repository
** option to specify a Fossil repository to be exported.
**
** Only check-ins are exported using --git.  Git does not support tickets 
** or wiki or events or attachments, so none of those are exported.
**
** If the "--import-marks FILE" option is used, it contains a list of
** rids to skip.
**
** If the "--export-marks FILE" option is used, the rid of all commits and
** blobs written on exit for use with "--import-marks" on the next run.
**
** Options:
**   --export-marks FILE          export rids of exported data to FILE
**   --import-marks FILE          read rids of data to ignore from FILE
**   --repository|-R REPOSITORY   export the given REPOSITORY
**   
** See also: import
*/
void export_cmd(void){
  Stmt q, q2, q3;
  int i;
  Bag blobs, vers;
  const char *markfile_in;

    }
    db_finalize(&qb);
    db_finalize(&qc);
    fclose(f);
  }

  /* Step 1:  Generate "blob" records for every artifact that is part
  ** of a check-in 
  */
  fossil_binary_mode(stdout);
  db_multi_exec("CREATE TEMP TABLE newblob(rid INTEGER KEY, srcid INTEGER)");
  db_multi_exec("CREATE INDEX newblob_src ON newblob(srcid)");
  db_multi_exec(
    "INSERT INTO newblob"
    " SELECT DISTINCT fid,"

void cat_cmd(void){
  int i;
  int rc;
  Blob content, fname;
  const char *zRev;
  db_find_and_open_repository(0, 0);
  zRev = find_option("r","r",1);
  
  /* We should be done with options.. */
  verify_all_options();

  for(i=2; i<g.argc; i++){
    file_tree_name(g.argv[i], &fname, 1);
    blob_zero(&content);
    rc = historical_version_of_file(zRev, blob_str(&fname), &content, 0,0,0,0);

#include "config.h"
#include "foci.h"
#include <assert.h>

/*
** The schema for the virtual table:
*/
static const char zFociSchema[] = 
@ CREATE TABLE files_of_checkin(
@  checkinID    INTEGER,    -- RID for the checkin manifest
@  filename     TEXT,       -- Name of a file
@  uuid         TEXT,       -- SHA1 hash of the file
@  previousName TEXT,       -- Name of the file in previous checkin
@  prem         TEXT        -- Permissions on the file
@ );

static int fociEof(sqlite3_vtab_cursor *pCursor){
  FociCursor *pCsr = (FociCursor *)pCursor;
  return pCsr->pFile==0;
}

static int fociFilter(
  sqlite3_vtab_cursor *pCursor, 
  int idxNum, const char *idxStr,
  int argc, sqlite3_value **argv
){
  FociCursor *pCur = (FociCursor *)pCursor;
  manifest_destroy(pCur->pMan);
  if( idxNum ){
    pCur->pMan = manifest_get(sqlite3_value_int(argv[0]), CFTYPE_MANIFEST, 0);
    pCur->iFile = 0;
    manifest_file_rewind(pCur->pMan);
    pCur->pFile = manifest_file_next(pCur->pMan, 0);
  }else{
    pCur->pMan = 0;
    pCur->iFile = 0;
  }
  return SQLITE_OK;
}

static int fociColumn(
  sqlite3_vtab_cursor *pCursor, 
  sqlite3_context *ctx, 
  int i
){
  FociCursor *pCsr = (FociCursor *)pCursor;
  switch( i ){
    case 0:            /* checkinID */
      sqlite3_result_int(ctx, pCsr->pMan->rid);
      break;

** Author contact information:
**   drh@sqlite.org
**   http://www.hwaci.com/drh/
**
*******************************************************************************
**
** This module implements the userspace side of a Fuse Filesystem that
** contains all check-ins for a fossil repository.  
**
** This module is a mostly a no-op unless compiled with -DFOSSIL_HAVE_FUSEFS.
** The FOSSIL_HAVE_FUSEFS should be omitted on systems that lack support for
** the Fuse Filesystem, of course.
*/
#include "config.h"
#include <stdio.h>

  int nPrev = 0;
  char *z;
  int cnt = 0;
  n = fusefs_parse_path(zPath);
  if( n==0 ){
    filler(buf, ".", NULL, 0);
    filler(buf, "..", NULL, 0);
    filler(buf, "checkins", NULL, 0);    
    return 0;
  }
  if( strcmp(fusefs.az[0],"checkins")!=0 ) return -ENOENT;
  if( n==1 ) return -ENOENT;
  rid = fusefs_name_to_rid(fusefs.az[1]);
  if( rid<=0 ) return -ENOENT;
  fusefs_load_rid(rid, fusefs.az[1]);

  content_get(rid, &fusefs.content);
  if( offset>blob_size(&fusefs.content) ) return 0;
  if( offset+size>blob_size(&fusefs.content) ){
    size = blob_size(&fusefs.content) - offset;
  }
  memcpy(buf, blob_buffer(&fusefs.content)+offset, size);
  return size;
}  

static struct fuse_operations fusefs_methods = {
  .getattr = fusefs_getattr,
  .readdir = fusefs_readdir,
  .read    = fusefs_read,
};
#endif /* FOSSIL_HAVE_FUSEFS */

/*
** COMMAND: fusefs
**
** Usage: %fossil fusefs [--debug] DIRECTORY
**
** This command uses the Fuse Filesystem to mount a directory at
** DIRECTORY that contains the content of all check-ins in the
** repository.  The names of files are DIRECTORY/checkins/VERSION/PATH
** where DIRECTORY is the root of the mount, VERSION is any valid
** check-in name (examples: "trunk" or "tip" or a tag or any unique 
** prefix of a SHA1 hash, etc) and PATH is the pathname of the file
** in the checkin.  If DIRECTORY does not exist, then an attempt is
** made to create it.
**
** The DIRECTORY/checkins directory is not searchable so one cannot
** do "ls DIRECTORY/checkins" to get a listing of all possible checkin
** names.  There are countless variations on checkin names and it is

  int *aParent;               /* Array of parents.  0 element is primary .*/
  char *zBranch;              /* Branch name */
  char *zBgClr;               /* Background Color */
  char zUuid[41];             /* Check-in for file ID */

  GraphRow *pNext;            /* Next row down in the list of all rows */
  GraphRow *pPrev;            /* Previous row */
  
  int idx;                    /* Row index.  First is 1.  0 used for "none" */
  int idxTop;                 /* Direct descendent highest up on the graph */
  GraphRow *pChild;           /* Child immediately above this node */
  u8 isDup;                   /* True if this is duplicate of a prior entry */
  u8 isLeaf;                  /* True if this is a leaf node */
  u8 timeWarp;                /* Child is earlier in time */
  u8 bDescender;              /* True if riser from bottom of graph to here. */

/*
** Return the canonical pointer for a given branch name.
** Multiple calls to this routine with equivalent strings
** will return the same pointer.
**
** The returned value is a pointer to a (readonly) string that
** has the useful property that strings can be checked for 
** equality by comparing pointers.
**
** Note: also used for background color names.
*/
static char *persistBranchName(GraphContext *p, const char *zBranch){
  int i;
  for(i=0; i<p->nBranch; i++){

  p->nRow++;
  pRow->idx = pRow->idxTop = p->nRow;
  return pRow->idx;
}

/*
** Return the index of a rail currently not in use for any row between
** top and bottom, inclusive.  
*/
static int findFreeRail(
  GraphContext *p,         /* The graph context */
  int top, int btm,        /* Span of rows for which the rail is needed */
  u64 inUseMask,           /* Mask or rails already in use */
  int iNearto              /* Find rail nearest to this rail */
){

          i--;
        }
      }
    }
  }


  /* Find the pChild pointer for each node. 
  **
  ** The pChild points to the node directly above on the same rail.
  ** The pChild must be in the same branch.  Leaf nodes have a NULL
  ** pChild.
  **
  ** In the case of a fork, choose the pChild that results in the
  ** longest rail.

        createMergeRiser(p, pDesc, pRow);
        if( p->mxRail>=GR_MAX_RAIL ) return;
      }
    }
  }

  /*
  ** Insert merge rails from primaries to duplicates. 
  */
  if( hasDup ){
    int dupRail;
    int mxRail;
    find_max_rail(p);
    mxRail = p->mxRail;
    dupRail = mxRail+1;

#include "leaf.h"
#include <assert.h>


/*
** Return true if the check-in with RID=rid is a leaf.
**
** A leaf has no children in the same branch. 
*/
int is_a_leaf(int rid){
  int rc;
  static const char zSql[] = 
    @ SELECT 1 FROM plink
    @  WHERE pid=%d
    @    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')
  ;

** 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 /*works-like: "%d,%d"*/, 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;
}


/*
** Recompute the entire LEAF table.  
**
** This can be expensive (5 seconds or so) for a really large repository.
** So it is only done for things like a rebuild.
*/
void leaf_rebuild(void){
  db_multi_exec(
    "DELETE FROM leaf;"

/*
** 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));
  }

    const char *zQS = P("QUERY_STRING");
    if( zQS==0 ){
      zQS = "";
    }else if( zQS[0]!=0 ){
      zQS = mprintf("?%s", zQS);
    }
    cgi_redirectf("%s%s%s", g.zHttpsURL, P("PATH_INFO"), zQS);
    return;    
  }
  sqlite3_create_function(g.db, "constant_time_cmp", 2, SQLITE_UTF8, 0,
                  constant_time_cmp_function, 0, 0);
  zUsername = P("u");
  zPasswd = P("p");
  anonFlag = P("anon")!=0;
  if( P("out")!=0 ){

    const char *zTagList = db_column_text(&q, 4);
    char *zCom;
    if( zTagList && zTagList[0] ){
      zCom = mprintf("%s (%s)", db_column_text(&q, 2), zTagList);
    }else{
      zCom = mprintf("%s", db_column_text(&q,2));
    }
    fossil_print("%-*s [%S] by %s on %s\n%*s", 
       indent-1, zLabel,
       db_column_text(&q, 3),
       db_column_text(&q, 1),
       db_column_text(&q, 0),
       indent, "");
    comment_print(zCom, db_column_text(&q,2), indent, -1, g.comFmtFlags);
    fossil_free(zCom);

      fossil_fatal("not a version: %s", g.argv[2]);
    }
  }else if( g.argc==2 ){
    /* No version specified on the command-line so pick the most recent
    ** leaf that is (1) not the version currently checked out and (2)
    ** has not already been merged into the current checkout and (3)
    ** the leaf is not closed and (4) the leaf is in the same branch
    ** as the current checkout. 
    */
    Stmt q;
    if( pickFlag || backoutFlag || integrateFlag){
      fossil_fatal("cannot use --backout, --cherrypick or --integrate with a fork merge");
    }
    mid = db_int(0,
      "SELECT leaf.rid"

    fossil_free(zFullName);
    if( !dryRunFlag ){
      undo_save(zName);
      vfile_to_disk(0, idm, 0, 0);
    }
  }
  db_finalize(&q);
  
  /*
  ** Find files that have changed from P->M but not P->V. 
  ** Copy the M content over into V.
  */
  db_prepare(&q,
    "SELECT idv, ridm, fn, islinkm FROM fv"
    " WHERE idp>0 AND idv>0 AND idm>0"
    "   AND ridm!=ridp AND ridv=ridp AND NOT chnged"
  );

    int islinkv = db_column_int(&q, 7);
    int islinkm = db_column_int(&q, 8);
    int rc;
    char *zFullPath;
    Blob m, p, r;
    /* Do a 3-way merge of idp->idm into idp->idv.  The results go into idv. */
    if( verboseFlag ){
      fossil_print("MERGE %s  (pivot=%d v1=%d v2=%d)\n", 
                   zName, ridp, ridm, ridv);
    }else{
      fossil_print("MERGE %s\n", zName);
    }
    if( islinkv || islinkm /* || file_wd_islink(zFullPath) */ ){
      fossil_print("***** Cannot merge symlink %s\n", zName);
      nConflict++;        
    }else{
      undo_save(zName);
      zFullPath = mprintf("%s/%s", g.zLocalRoot, zName);
      content_get(ridp, &p);
      content_get(ridm, &m);
      if( isBinary ){
        rc = -1;

int main(int argc, char **argv){
  int i, sz;
  int j, n;
  Resource *aRes;
  int nRes = argc-1;
  unsigned char *pData;
  int nErr = 0;
  
  aRes = malloc( nRes*sizeof(aRes[0]) );
  if( aRes==0 ){
    fprintf(stderr, "malloc failed\n");
    return 1;
  }
  for(i=0; i<argc-1; i++){
    aRes[i].zName = argv[i+1];

** A compiled search pattern
*/
struct Search {
  int nTerm;            /* Number of search terms */
  struct srchTerm {     /* For each search term */
    char *z;               /* Text */
    int n;                 /* length */
  } a[8];               
};
#endif

/*
** Compile a search pattern
*/
Search *search_init(const char *zPattern){

          break;
        }
      }
      iBonus /= 2;
      while( !isBoundary[zDoc[i]&0xff] ){ i++; }
    }
  }
  
  /* Every term must be seen or else the score is zero */
  for(j=0; j<p->nTerm; j++){
    if( !seen[j] ) return 0;
  }

  return score;
}

  db_begin_transaction();
  @ <form action="%s(g.zTop)/setup_access" method="post"><div>
  login_insert_csrf_secret();
  @ <hr />
  onoff_attribute("Redirect to HTTPS on the Login page",
     "redirect-to-https", "redirhttps", 0, 0);
  @ <p>When selected, force the use of HTTPS for the Login page.
  @ <p>Details:  When enabled, this option causes the $secureurl TH1 
  @ variable is set to an "https:" variant of $baseurl.  Otherwise,
  @ $secureurl is just an alias for $baseurl.  Also when enabled, the
  @ Login page redirects to https if accessed via http.
  @ <hr />
  onoff_attribute("Require password for local access",
     "localauth", "localauth", 0, 0);
  @ <p>When enabled, the password sign-in is always required for

    if( is_false(zAutosync) ){
      return 0;   /* Autosync is completely off */
    }
  }else{
    /* Autosync defaults on.  To make it default off, "return" here. */
  }
  url_parse(0, URL_REMEMBER);
  if( g.url.protocol==0 ) return 0;  
  if( g.url.user!=0 && g.url.passwd==0 ){
    g.url.passwd = unobscure(db_get("last-sync-pw", 0));
    g.url.flags |= URL_PROMPT_PW;
    url_prompt_for_password();
  }
  g.zHttpAuth = get_httpauth();
  url_remember();
#if 0 /* Disabled for now */
  if( (flags & AUTOSYNC_PULL)!=0 && db_get_boolean("auto-shun",1) ){
    /* When doing an automatic pull, also automatically pull shuns from
    ** the server if pull_shuns is enabled.
    **
    ** TODO:  What happens if the shun list gets really big? 
    ** Maybe the shunning list should only be pulled on every 10th
    ** autosync, or something?
    */
    configSync = CONFIGSET_SHUN;
  }
#endif
  if( find_option("verbose","v",0)!=0 ) flags |= SYNC_VERBOSE;

**
** See also: clone, push, sync, remote-url
*/
void pull_cmd(void){
  unsigned configFlags = 0;
  unsigned syncFlags = SYNC_PULL;
  process_sync_args(&configFlags, &syncFlags);
 
  /* We should be done with options.. */
  verify_all_options();

  client_sync(syncFlags, configFlags, 0);
}

/*

**
** See also: clone, pull, sync, remote-url
*/
void push_cmd(void){
  unsigned configFlags = 0;
  unsigned syncFlags = SYNC_PUSH;
  process_sync_args(&configFlags, &syncFlags);
  
  /* We should be done with options.. */
  verify_all_options();

  if( db_get_boolean("dont-push",0) ){
    fossil_fatal("pushing is prohibited: the 'dont-push' option is set");
  }
  client_sync(syncFlags, 0, 0);

**
** See also:  clone, push, pull, remote-url
*/
void sync_cmd(void){
  unsigned configFlags = 0;
  unsigned syncFlags = SYNC_PUSH|SYNC_PULL;
  process_sync_args(&configFlags, &syncFlags);
  
  /* We should be done with options.. */
  verify_all_options();

  if( db_get_boolean("dont-push",0) ) syncFlags &= ~SYNC_PUSH;
  client_sync(syncFlags, configFlags, 0);
  if( (syncFlags & SYNC_PUSH)==0 ){
    fossil_warning("pull only: the 'dont-push' option is set");

/* This variable is set if we are doing an internal update.  It is clear
** when running the "update" command.
*/
static int internalUpdate = 0;
static int internalConflictCnt = 0;

/*
** Do an update to version vid.  
**
** Start an undo session but do not terminate it.  Do not autosync.
*/
int update_to(int vid){
  int savedArgc;
  char **savedArgv;
  char *newArgv[3];

  user_select();
  if( !dryRunFlag && !internalUpdate ){
    if( autosync_loop(SYNC_PULL + SYNC_VERBOSE*verboseFlag,
                      db_get_int("autosync-tries", 1)) ){
      fossil_fatal("Cannot proceed with update");
    }
  }
  
  /* Create any empty directories now, as well as after the update,
  ** so changes in settings are reflected now */
  if( !dryRunFlag ) ensure_empty_dirs_created();

  if( internalUpdate ){
    tid = internalUpdate;
  }else if( g.argc>=3 ){

      if( tid==0 ){
        fossil_fatal("no such version: %s", g.argv[2]);
      }else if( !is_a_version(tid) ){
        fossil_fatal("no such version: %s", g.argv[2]);
      }
    }
  }
  
  /* If no VERSION is specified on the command-line, then look for a
  ** descendent of the current version.  If there are multiple descendants,
  ** look for one from the same branch as the current version.  If there
  ** are still multiple descendants, show them all and refuse to update
  ** until the user selects one.
  */
  if( tid==0 ){

        "     WHERE leaves.rid=tagxref.rid AND tagxref.tagid=%d"
        "       AND tagxref.value==(SELECT value FROM tagxref"
                                   " WHERE tagid=%d AND rid=%d))",
        TAG_BRANCH, TAG_BRANCH, vid
      );
      if( db_int(0, "SELECT count(*) FROM leaves")>1 ){
        compute_leaves(vid, closeCode);
        db_prepare(&q, 
          "%s "
          "   AND event.objid IN leaves"
          " ORDER BY event.mtime DESC",
          timeline_query_for_tty()
        );
        print_timeline(&q, -100, width, 0);
        db_finalize(&q);
        fossil_fatal("Multiple descendants");
      }
    }
    tid = db_int(0, "SELECT rid FROM leaves, event"
                    " WHERE event.objid=leaves.rid"
                    " ORDER BY event.mtime DESC"); 
    if( tid==0 ) tid = vid;
  }

  if( tid==0 ){
    return;
  }

    blob_zero(&sql);
    blob_append(&sql, "DELETE FROM fv WHERE ", -1);
    zSep = "";
    for(i=3; i<g.argc; i++){
      file_tree_name(g.argv[i], &treename, 1);
      if( file_wd_isdir(g.argv[i])==1 ){
        if( blob_size(&treename) != 1 || blob_str(&treename)[0] != '.' ){
          blob_append_sql(&sql, "%sfn NOT GLOB '%q/*' ", 
                         zSep /*safe-for-%s*/, blob_str(&treename));
        }else{
          blob_reset(&sql);
          break;
        }
      }else{
        blob_append_sql(&sql, "%sfn<>%Q ",
                        zSep /*safe-for-%s*/, blob_str(&treename));
      }
      zSep = "AND ";
      blob_reset(&treename);
    }
    db_multi_exec("%s", blob_sql_text(&sql));
    blob_reset(&sql);
  }

  /*
  ** Alter the content of the checkout so that it conforms with the
  ** target
  */
  db_prepare(&q, 
    "SELECT fn, idv, ridv, idt, ridt, chnged, fnt,"
    "       isexe, islinkv, islinkt, deleted FROM fv ORDER BY 1"
  );
  db_prepare(&mtimeXfer,
    "UPDATE vfile SET mtime=(SELECT mtime FROM vfile WHERE id=:idv)"
    " WHERE id=:idt"
  );

      if( nameChng ){
        fossil_print("MERGE %s -> %s\n", zName, zNewName);
      }else{
        fossil_print("MERGE %s\n", zName);
      }
      if( islinkv || islinkt /* || file_wd_islink(zFullPath) */ ){
        fossil_print("***** Cannot merge symlink %s\n", zNewName);
        nConflict++;        
      }else{
        unsigned mergeFlags = dryRunFlag ? MERGE_DRYRUN : 0;
        undo_save(zName);
        content_get(ridt, &t);
        content_get(ridv, &v);
        rc = merge_3way(&v, zFullPath, &t, &r, mergeFlags);
        if( rc>=0 ){

        case -2:  zLabel = "backout merge";    break;
      }
      fossil_warning("uncommitted %s against %S.",
                     zLabel, db_column_text(&q, 0));
      nMerge++;
    }
    db_finalize(&q);
    
    if( nConflict ){
      if( internalUpdate ){
        internalConflictCnt = nConflict;
        nConflict = 0;
      }else{
        fossil_warning("WARNING: %d merge conflicts", nConflict);
      }
    }
    if( nOverwrite ){
      fossil_warning("WARNING: %d unmanaged files were overwritten",
                     nOverwrite);
    }
    if( nMerge ){
      fossil_warning("WARNING: %d uncommitted prior merges", nMerge);
    }
  }
  
  /*
  ** Clean up the mid and pid VFILE entries.  Then commit the changes.
  */
  if( dryRunFlag ){
    db_end_transaction(1);  /* With --dry-run, rollback changes */
  }else{
    ensure_empty_dirs_created();

      const char *zDir = blob_str(&dirName);
      /* Make full pathname of the directory */
      Blob path;
      const char *zPath;

      blob_zero(&path);
      blob_appendf(&path, "%s/%s", g.zLocalRoot, zDir);
      zPath = blob_str(&path);      
      /* Handle various cases of existence of the directory */
      switch( file_wd_isdir(zPath) ){
        case 0: { /* doesn't exist */
          if( file_mkdir(zPath, 0)!=0 ) {
            fossil_warning("couldn't create directory %s as "
                           "required by empty-dirs setting", zDir);
          }          
          break;
        }
        case 1: { /* exists, and is a directory */
          /* do nothing - required directory exists already */
          break;
        }
        case 2: { /* exists, but isn't a directory */
          fossil_warning("file %s found, but a directory is required "
                         "by empty-dirs setting", zDir);          
        }
      }
      blob_reset(&path);
    }
  }
}

  int *pIsExe,             /* Set to true if file is executable */
  int *pIsBin,             /* Set to true if file is binary */
  int errCode              /* Error code if file not found.  Panic if 0. */
){
  Manifest *pManifest;
  ManifestFile *pFile;
  int rid=0;
  
  if( revision ){
    rid = name_to_typed_rid(revision,"ci");
  }else if( !g.localOpen ){
    rid = name_to_typed_rid(db_get("main-branch","trunk"),"ci");
  }else{
    rid = db_lget_int("checkout", 0);
  }
  if( !is_a_version(rid) ){
    if( errCode>0 ) return errCode;
    fossil_fatal("no such checkin: %s", revision);
  }
  pManifest = manifest_get(rid, CFTYPE_MANIFEST, 0);
  
  if( pManifest ){
    pFile = manifest_file_find(pManifest, file);
    if( pFile ){
      int rc;
      rid = uuid_to_rid(pFile->zUuid, 0);
      if( pIsExe ) *pIsExe = ( manifest_file_mperm(pFile)==PERM_EXE );
      if( pIsLink ) *pIsLink = ( manifest_file_mperm(pFile)==PERM_LNK );

  const char *zFile;
  const char *zRevision;
  Blob record;
  int i;
  int errCode;
  Stmt q;

  undo_capture_command_line();  
  zRevision = find_option("revision", "r", 1);
  verify_all_options();
  
  if( g.argc<2 ){
    usage("?OPTIONS? [FILE] ...");
  }
  if( zRevision && g.argc<3 ){
    fossil_fatal("the --revision option does not work for the entire tree");
  }
  db_must_be_within_tree();

** The following bag holds the rid for every record that needs
** to be verified.
*/
static Bag toVerify;
static int inFinalVerify = 0;

/*
** This routine is called just prior to each commit operation.  
**
** Invoke verify_rid() on every record that has been added or modified
** in the repository, in order to make sure that the repository is sane.
*/
static int verify_at_commit(void){
  int rid;
  content_clear_cache();
  inFinalVerify = 1;
  rid = bag_first(&toVerify);
  while( rid>0 ){
    verify_rid(rid);
    rid = bag_next(&toVerify, rid);
  }
  bag_clear(&toVerify);
  inFinalVerify = 0;
  return 0;
}

/*
** Arrange to verify a particular record prior to committing.
** 
** If the record rid is less than 1, then just initialize the
** verification system but do not record anything as needing
** verification.
*/
void verify_before_commit(int rid){
  static int isInit = 0;
  if( !isInit ){