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.

**
**    0.  rid
**    1.  uuid
**    2.  Date/Time
**    3.  Comment string and user
**    4.  Number of non-merge children
**    5.  Number of parents
**    6.  mtime
**    7.  branch
*/
void print_timeline(Stmt *q, int mxLine, int showfiles){
  int nLine = 0;
  char zPrevDate[20];
  const char *zCurrentUuid=0;
  int fchngQueryInit = 0;     /* True if fchngQuery is initialized */
  Stmt fchngQuery;            /* Query for file changes on check-ins */

    @     || ' (user: ' || coalesce(euser,user,'?')
    @     || (SELECT case when length(x)>0 then ' tags: ' || x else '' end
    @           FROM (SELECT group_concat(substr(tagname,5), ', ') AS x
    @                   FROM tag, tagxref
    @                  WHERE tagname GLOB 'sym-*' AND tag.tagid=tagxref.tagid
    @                    AND tagxref.rid=blob.rid AND tagxref.tagtype>0))
    @     || ')' as comment,
    @   (SELECT count(*) FROM plink WHERE pid=blob.rid AND isprim)
    @        AS primPlinkCount,
    @   (SELECT count(*) FROM plink WHERE cid=blob.rid) AS plinkCount,
    @   event.mtime AS mtime,
    @   tagxref.value AS branch
    @ FROM tag CROSS JOIN event CROSS JOIN blob CROSS JOIN tagxref
    @ WHERE blob.rid=event.objid
    @   AND tag.tagname='branch'
    @   AND tagxref.tagid=tag.tagid
    @   AND tagxref.tagtype>0
    @   AND tagxref.rid=blob.rid 
  ;
  return zBaseSql;
}

/*
** Return true if the input string is a date in the ISO 8601 format:
** YYYY-MM-DD.