Fossil

**
** The --recompute flag causes the content of the "leaf" table in the
** repository database to be recomputed.
**
** Options:
**   --all        show ALL leaves
**   --closed     show only closed leaves
**   --bybranch   order output by branch name
**   --recompute  recompute the "leaf" table in the repository DB
**
** See also: descendants, finfo, info, branch
*/
void leaves_cmd(void){
  Stmt q;
  Blob sql;
  int showAll = find_option("all", 0, 0)!=0;
  int showClosed = find_option("closed", 0, 0)!=0;
  int recomputeFlag = find_option("recompute",0,0)!=0;
  int byBranch = find_option("bybranch",0,0)!=0;
  const char *zLastBr = 0;
  int n;
  char zLineNo[10];

  db_find_and_open_repository(0,0);
  if( recomputeFlag ) leaf_rebuild();
  blob_zero(&sql);
  blob_append(&sql, timeline_query_for_tty(), -1);
  blob_appendf(&sql, " AND blob.rid IN leaf");
  if( showClosed ){
    blob_appendf(&sql," AND %z", leaf_is_closed_sql("blob.rid"));
  }else if( !showAll ){
    blob_appendf(&sql," AND NOT %z", leaf_is_closed_sql("blob.rid"));
  }
  if( byBranch ){
    db_prepare(&q, "%s ORDER BY nullif(branch,'trunk') COLLATE nocase,"
                   " event.mtime DESC",
                   blob_str(&sql));
  }else{
    db_prepare(&q, "%s ORDER BY event.mtime DESC", blob_str(&sql));
  }
  blob_reset(&sql);
  n = 0;
  while( db_step(&q)==SQLITE_ROW ){
    const char *zId = db_column_text(&q, 1);
    const char *zDate = db_column_text(&q, 2);
    const char *zCom = db_column_text(&q, 3);
    const char *zBr = db_column_text(&q, 7);
    char *z;

    if( byBranch && fossil_strcmp(zBr, zLastBr)!=0 ){
      fossil_print("*** %s ***\n", zBr);
      fossil_free(zLastBr);
      zLastBr = fossil_strdup(zBr);
    }
    n++;
    sqlite3_snprintf(sizeof(zLineNo), zLineNo, "(%d)", n);
    fossil_print("%6s ", zLineNo);
    z = mprintf("%s [%.10s] %s", zDate, zId, zCom);
    comment_print(z, 7, 79);
    fossil_free(z);
  }
  fossil_free(zLastBr);
  db_finalize(&q);
}

/*
** WEBPAGE:  leaves
**
** Find leaves of all branches.