Fossil

    @ branch: %z(href("%R/timeline?t=%T&n=200",zBr))%h(zBr)</a>)
    if( g.perm.Hyperlink && zUuid ){
      const char *z = zFilename;
      @ %z(href("%R/annotate?filename=%h&checkin=%s",z,zCkin))
      @ [annotate]</a>
      @ %z(href("%R/blame?filename=%h&checkin=%s",z,zCkin))
      @ [blame]</a>
      @ %z(href("%R/timeline?n=200&uf=%!S",zUuid))[check-ins&nbsp;using]</a>
      if( fpid ){
        @ %z(href("%R/fdiff?sbs=1&v1=%!S&v2=%!S",zPUuid,zUuid))[diff]</a>
      }
    }
    if( fDebug & FINFO_DEBUG_MLINK ){
      int ii;
      char *zAncLink;

**   to=TAG          Right side of the comparison
**   branch=TAG      Show all changes on a particular branch
**   v=BOOLEAN       Default true.  If false, only list files that have changed
**   sbs=BOOLEAN     Side-by-side diff if true.  Unified diff if false
**   glob=STRING     only diff files matching this glob
**
**
** Show all differences between two check-ins.
*/
void vdiff_page(void){
  int ridFrom, ridTo;
  int verboseFlag = 0;
  int sideBySide = 0;
  u64 diffFlags = 0;
  Manifest *pFrom, *pTo;

        @ <ul>
      }
      prevName = fossil_strdup(zName);
    }
    if( showDetail ){
      @ <li>
      hyperlink_to_date(zDate,"");
      @ &mdash; part of check-in
      hyperlink_to_uuid(zVers);
    }else{
      @ &mdash; part of check-in
      hyperlink_to_uuid(zVers);
      @ at
      hyperlink_to_date(zDate,"");
    }
    if( zBr && zBr[0] ){
      @ on branch %z(href("%R/timeline?r=%T",zBr))%h(zBr)</a>
    }

  cson_object_set(pay, "user", json_new_string(pTktChng->zUser));
  cson_object_set(pay, "timestamp", json_julian_to_timestamp(pTktChng->rDate));
  manifest_destroy(pTktChng);
  return cson_object_value(pay);
}

/*
** Sub-impl of /json/artifact for check-ins.
*/
static cson_value * json_artifact_ci( cson_object * zParent, int rid ){
  if(!g.perm.Read){
    json_set_err( FSL_JSON_E_DENIED, "Viewing check-ins requires 'o' privileges." );
    return NULL;
  }else{
    cson_value * artV = json_artifact_for_ci(rid, 1);
    cson_object * art = cson_value_get_object(artV);
    if(art){
      cson_object_merge( zParent, art, CSON_MERGE_REPLACE );
      cson_free_object(art);

                       rid
                       );
  if(parentUuid){
    cson_object_set( zParent, "parent", json_new_string(parentUuid) );
    fossil_free(parentUuid);
  }
  
  /* Find check-ins associated with this file... */
  db_prepare(&q,
      "SELECT filename.name AS name, "
      "  (mlink.pid==0) AS isNew,"
      "  (mlink.fid==0) AS isDel,"
      "  cast(strftime('%%s',event.mtime) as int) AS timestamp,"
      "  coalesce(event.ecomment,event.comment) as comment,"
      "  coalesce(event.euser,event.user) as user,"
#if 0
      "  a.size AS size," /* same for all check-ins. */
#endif
      "  b.uuid as checkin, "
#if 0
      "  mlink.mperm as mperm,"
#endif
      "  coalesce((SELECT value FROM tagxref"
                      "  WHERE tagid=%d AND tagtype>0 AND "
                      " rid=mlink.mid),'trunk') as branch"
      "  FROM mlink, filename, event, blob a, blob b"
      " WHERE filename.fnid=mlink.fnid"
      "   AND event.objid=mlink.mid"
      "   AND a.rid=mlink.fid"
      "   AND b.rid=mlink.mid"
      "   AND mlink.fid=%d"
      "   ORDER BY filename.name, event.mtime",
      TAG_BRANCH, rid
    );
  /* TODO: add a "state" flag for the file in each check-in,
     e.g. "modified", "new", "deleted".
   */
  checkin_arr = cson_new_array(); 
  cson_object_set(pay, "checkins", cson_array_value(checkin_arr));
  while( (SQLITE_ROW==db_step(&q) ) ){
    cson_object * row = cson_value_get_object(cson_sqlite3_row_to_object(q.pStmt));
    /* FIXME: move this isNew/isDel stuff into an SQL CASE statement. */

    }
  }
  payV = cson_value_new_object();
  pay = cson_value_get_object(payV);
  cson_object_set(pay, "raw", cson_value_new_bool(fRaw) );
  if( zCheckin ){
    /**
       Tags for a specific check-in. Output format:

       RAW mode:
    
       {
           "sym-tagname": (value || null),
           ...other tags...
       }

       Non-raw:

       {
          "tagname": (value || null),
          ...other tags...
       }
    */
    cson_value * objV = NULL;
    cson_object * obj = NULL;
    int const rid = name_to_rid(zCheckin);
    if(0==rid){
      json_set_err(FSL_JSON_E_UNRESOLVED_UUID,
                   "Could not find artifact for check-in [%s].",
                   zCheckin);
      goto error;
    }
    cson_object_set(pay, "checkin", json_new_string(zCheckin));
    db_prepare(&q,
               "SELECT tagname, value FROM tagxref, tag"
               " WHERE tagxref.rid=%d AND tagxref.tagid=tag.tagid"

         " == coalesce((SELECT value FROM tagxref"
                       " WHERE tagid=%d AND rid=plink.cid),'trunk')",
    TAG_BRANCH, TAG_BRANCH
  );
}

/*
** A bag of check-ins whose leaf status needs to be checked.
*/
static Bag needToCheck;

/*
** Check to see if check-in "rid" is a leaf and either add it to the LEAF
** table if it is, or remove it if it is not.
*/

        }
        break;
      }

      /*
      **     Q (+|-)<uuid> ?<uuid>?
      **
      ** Specify one or a range of check-ins that are cherrypicked into
      ** this check-in ("+") or backed out of this check-in ("-").
      */
      case 'Q': {
        if( (zUuid=next_token(&x, &sz))==0 ) SYNTAX("missing UUID on Q-card");
        if( sz!=UUID_SIZE+1 ) SYNTAX("wrong size UUID on Q-card");
        if( zUuid[0]!='+' && zUuid[0]!='-' ){
          SYNTAX("Q-card does not begin with '+' or '-'");

  db_bind_int(&eq, ":mid", mid);
  db_bind_int(&eq, ":pmid", pmid);
  rc = db_step(&eq);
  db_reset(&eq);
  if( rc==SQLITE_ROW ) return;

  /* Compute the value of the missing pParent or pChild parameter.
  ** Fetch the baseline check-ins for both.
  */
  assert( pParent==0 || pChild==0 );
  if( pParent==0 ){
    ppOther = &pParent;
    otherRid = pmid;
  }else{
    ppOther = &pChild;

     "  cid INTEGER,"                /* A child or mid */
     "  m2 REAL"                     /* Timestamp on the child */
     ");"
  );
}

#if INTERFACE
/* Timestamps might be adjusted slightly to ensure that check-ins appear
** on the timeline in chronological order.  This is the maximum amount
** of the adjustment window, in days.
*/
#define AGE_FUDGE_WINDOW      (2.0/86400.0)       /* 2 seconds */

/* This is increment (in days) by which timestamps are adjusted for
** use on the timeline.

** Create the description table if it does not already exists.
** Populate fields of this table with descriptions for all artifacts
** whose RID matches the SQL expression in zWhere.
*/
void describe_artifacts(const char *zWhere){
  db_multi_exec("%s", zDescTab/*safe-for-%s*/);

  /* Describe check-ins */
  db_multi_exec(
    "INSERT OR IGNORE INTO description(rid,uuid,ctime,type,summary)\n"
    "SELECT blob.rid, blob.uuid, event.mtime, 'checkin',\n"
    "       'check-in on ' || strftime('%%Y-%%m-%%d %%H:%%M',event.mtime)\n"
    "  FROM event, blob\n"
    " WHERE (event.objid %s) AND event.type='ci'\n"
    "   AND event.objid=blob.rid;",

**
** Author contact information:
**   drh@sqlite.org
**
*******************************************************************************
**
** This file contains code used to trace paths of through the
** directed acyclic graph (DAG) of check-ins.
*/
#include "config.h"
#include "path.h"
#include <assert.h>

#if INTERFACE
/* Nodes for the paths through the DAG.

}

/*
** COMMAND:  test-shortest-path
**
** Usage: %fossil test-shortest-path ?--no-merge? VERSION1 VERSION2
**
** Report the shortest path between two check-ins.  If the --no-merge flag
** is used, follow only direct parent-child paths and omit merge links.
*/
void shortest_path_test_cmd(void){
  int iFrom;
  int iTo;
  PathNode *p;
  int n;

** COMMAND: unpublished
**
** Usage: %fossil unpublished ?OPTIONS?
**
** Show a list of unpublished or "private" artifacts.  Unpublished artifacts
** will never push and hence will not be shared with collaborators.
**
** By default, this command only shows unpublished check-ins.  To show
** all unpublished artifacts, use the --all command-line option.
**
** OPTIONS:
**     --all                   Show all artifacts, not just check-ins
*/
void unpublished_cmd(void){
  int bAll = find_option("all",0,0)!=0;

  db_find_and_open_repository(0,0);
  verify_all_options();
  if( bAll ){

**
** Usage: %fossil publish ?--only? TAGS...
**
** Cause artifacts identified by TAGS... to be published (made non-private).
** This can be used (for example) to convert a private branch into a public
** branch, or to publish a bundle that was imported privately.
**
** If any of TAGS names a branch, then all check-ins on the most recent
** instance of that branch are included, not just the most recent check-in.
**
** If any of TAGS name check-ins then all files and tags associated with
** those check-ins are also published automatically.  Except if the --only
** option is used, then only the specific artifacts identified by TAGS
** are published.
**
** If a TAG is already public, this command is a harmless no-op.
*/
void publish_cmd(void){
  int bOnly = find_option("only",0,0)!=0;

** Author contact information:
**   drh@hwaci.com
**   http://www.hwaci.com/drh/
**
*******************************************************************************
**
** This file contains code used to implement the "purge" command and
** related functionality for removing check-ins from a repository.  It also
** manages the graveyard of purged content.
*/
#include "config.h"
#include "purge.h"
#include <assert.h>

/*

  /* Mission accomplished */
  db_end_transaction(0);
  return peid;
}

/*
** The TEMP table named zTab contains RIDs for a set of check-ins.  
**
** Check to see if any check-in in zTab is a baseline manifest for some
** delta manifest that is not in zTab.  Return true if zTab contains a
** baseline for a delta that is not in zTab.
**
** This is a database integrity preservation check.  The check-ins in zTab
** are about to be deleted or otherwise made inaccessible.  This routine
** is checking to ensure that purging the check-ins in zTab will not delete
** a baseline manifest out from under a delta.
*/
int purge_baseline_out_from_under_delta(const char *zTab){
  if( !db_table_has_column("repository","plink","baseid") ){
    /* Skip this check if the current database is an older schema that
    ** does not contain the PLINK.BASEID field. */
    return 0;
  }else{
    return db_int(0,
      "SELECT 1 FROM plink WHERE baseid IN \"%w\" AND cid NOT IN \"%w\"",
      zTab, zTab);
  }
}


/*
** The TEMP table named zTab contains the RIDs for a set of check-in
** artifacts.  Expand this set (by adding new entries to zTab) to include
** all other artifacts that are used the set of check-ins in
** the original list.
**
** If the bExclusive flag is true, then the set is only expanded by
** artifacts that are used exclusively by the check-ins in the set.
** When bExclusive is false, then all artifacts used by the check-ins
** are added even if those artifacts are also used by other check-ins
** not in the set.
**
** The "fossil publish" command with the (undocumented) --test and
** --exclusive options can be used for interactiving testing of this
** function.
*/
void find_checkin_associates(const char *zTab, int bExclusive){

**   fossil purge cat UUID...
**
**      Write the content of one or more artifacts in the graveyard onto
**      standard output.
**
**   fossil purge ?checkins? TAGS... ?OPTIONS?
**
**      Move the check-ins identified by TAGS and all of their descendants
**      out of the repository and into the graveyard.  The "checkins" 
**      subcommand keyword is option and can be omitted as long as TAGS
**      does not conflict with any other subcommand.
**
**      If a TAGS includes a branch name then it means all the check-ins
**      on the most recent occurrance of that branch.
**
**           --explain         Make no changes, but show what would happen.
**           --dry-run         Make no chances.
**
**   fossil purge list|ls ?-l?
**

/*
** WEBPAGE: timeline.rss
** URL:  /timeline.rss?y=TYPE&n=LIMIT&tkt=UUID&tag=TAG&wiki=NAME&name=FILENAME
**
** Produce an RSS feed of the timeline.
**
** TYPE may be: all, ci (show check-ins only), t (show tickets only),
** w (show wiki only).
**
** LIMIT is the number of items to show.
**
** tkt=UUID filters for only those events for the specified ticket. tag=TAG
** filters for a tag, and wiki=NAME for a wiki page. Only one may be used.
**

**
** Usage: %fossil rss ?OPTIONS?
**
** The CLI variant of the /timeline.rss page, this produces an RSS
** feed of the timeline to stdout. Options:
**
** -type|y FLAG
**    may be: all (default), ci (show check-ins only), t (show tickets only),
**    w (show wiki only).
**
** -limit|n LIMIT
**   The maximum number of items to show.
**
** -tkt UUID
**    Filters for only those events for the specified ticket.

@ -- Filenames
@ --
@ CREATE TABLE filename(
@   fnid INTEGER PRIMARY KEY,    -- Filename ID
@   name TEXT UNIQUE             -- Name of file page
@ );
@
@ -- Linkages between check-ins, files created by each check-in, and
@ -- the names of those files.
@ --
@ -- Each entry represents a file that changed content from pid to fid
@ -- due to the check-in that goes from pmid to mid.  fnid is the name
@ -- of the file in the mid check-in.  If the file was renamed as part
@ -- of the mid check-in, then pfnid is the previous filename.
@
@ -- There can be multiple entries for (mid,fid) if the mid check-in was
@ -- a merge.  Entries with isaux==0 are from the primary parent.  Merge
@ -- parents have isaux set to true.
@ --
@ -- Field name mnemonics:
@ --    mid = Manifest ID.  (Each check-in is stored as a "Manifest")
@ --    fid = File ID.
@ --    pmid = Parent Manifest ID.
@ --    pid = Parent file ID.
@ --    fnid = File Name ID.
@ --    pfnid = Parent File Name ID.
@ --    isaux = pmid IS AUXiliary parent, not primary parent
@ --
@ -- pid==0 if the file is added by check-in mid.
@ -- fid==0 if the file is removed by check-in mid.
@ --
@ CREATE TABLE mlink(
@   mid INTEGER REFERENCES plink(cid),  -- Checkin that contains fid
@   fid INTEGER REFERENCES blob,        -- New file content. 0 if deleted
@   pmid INTEGER REFERENCES plink(cid), -- Checkin that contains pid
@   pid INTEGER REFERENCES blob,        -- Prev file content. 0 if new
@   fnid INTEGER REFERENCES filename,   -- Name of the file
@   pfnid INTEGER REFERENCES filename,  -- Previous name. 0 if unchanged
@   mperm INTEGER,                      -- File permissions.  1==exec
@   isaux BOOLEAN DEFAULT 0             -- TRUE if pmid is the primary
@ );
@ CREATE INDEX mlink_i1 ON mlink(mid);
@ CREATE INDEX mlink_i2 ON mlink(fnid);
@ CREATE INDEX mlink_i3 ON mlink(fid);
@ CREATE INDEX mlink_i4 ON mlink(pid);
@
@ -- Parent/child linkages between check-ins
@ --
@ CREATE TABLE plink(
@   pid INTEGER REFERENCES blob,    -- Parent manifest
@   cid INTEGER REFERENCES blob,    -- Child manifest
@   isprim BOOLEAN,                 -- pid is the primary parent of cid
@   mtime DATETIME,                 -- the date/time stamp on cid.  Julian day.
@   baseid INTEGER REFERENCES blob, -- Baseline if cid is a delta manifest.
@   UNIQUE(pid, cid)
@ );
@ CREATE INDEX plink_i2 ON plink(cid,pid);
@
@ -- A "leaf" check-in is a check-in that has no children in the same
@ -- branch.  The set of all leaves is easily computed with a join,
@ -- between the plink and tagxref tables, but it is a slower join for
@ -- very large repositories (repositories with 100,000 or more check-ins)
@ -- and so it makes sense to precompute the set of leaves.  There is
@ -- one entry in the following table for each leaf.
@ --
@ CREATE TABLE leaf(rid INTEGER PRIMARY KEY);
@
@ -- Events used to generate a timeline
@ --

@ -- when a check-in comment refers to a ticket) an entry is made in
@ -- the following table for that hyperlink.  This table is used to
@ -- facilitate the display of "back links".
@ --
@ CREATE TABLE backlink(
@   target TEXT,           -- Where the hyperlink points to
@   srctype INT,           -- 0: check-in  1: ticket  2: wiki
@   srcid INT,             -- rid for check-in or wiki.  tkt_id for ticket.
@   mtime TIMESTAMP,       -- time that the hyperlink was added. Julian day.
@   UNIQUE(target, srctype, srcid)
@ );
@ CREATE INDEX backlink_src ON backlink(srcid, srctype);
@
@ -- Each attachment is an entry in the following table.  Only
@ -- the most recent attachment (identified by the D card) is saved.

# define TAG_USER       3     /* User who made a checking */
# define TAG_DATE       4     /* The date of a check-in */
# define TAG_HIDDEN     5     /* Do not display in timeline */
# define TAG_PRIVATE    6     /* Do not sync */
# define TAG_CLUSTER    7     /* A cluster */
# define TAG_BRANCH     8     /* Value is name of the current branch */
# define TAG_CLOSED     9     /* Do not display this check-in as a leaf */
# define TAG_PARENT     10    /* Change to parentage on a check-in */
#endif
#if EXPORT_INTERFACE
# define MAX_INT_TAG    16    /* The largest pre-assigned tag id */
#endif

/*
** The schema for the local FOSSIL database file found at the root

  { "td.rpteditex",
    "format for example table cells on the report edit page",
    @   border-width: thin;
    @   border-color: #000000;
    @   border-style: solid;
  },
  { "input.checkinUserColor",
    "format for user color input on check-in edit page",
    @ /* no special definitions, class defined, to enable color pickers, f.e.:
    @ **  add the color picker found at http:jscolor.com  as java script include
    @ **  to the header and configure the java script file with
    @ **   1. use as bindClass :checkinUserColor
    @ **   2. change the default hash adding behaviour to ON
    @ ** or change the class defition of element identified by id="clrcust"
    @ ** to a standard jscolor definition with java script in the footer. */

     "  FROM plink LEFT JOIN tagxref ON cid=rid AND tagid=%d"
     " WHERE pid=:pid AND isprim",
     tagType==2, tagid
  );
  db_bind_double(&s, ":mtime", mtime);

  if( tagType==2 ){
    /* Set the propagated tag marker on check-in :rid */
    db_prepare(&ins,
       "REPLACE INTO tagxref(tagid, tagtype, srcid, origid, value, mtime, rid)"
       "VALUES(%d,2,0,%d,%Q,:mtime,:rid)",
       tagid, origId, zValue
    );
    db_bind_double(&ins, ":mtime", mtime);
  }else{
    /* Remove all references to the tag from check-in :rid */
    zValue = 0;
    db_prepare(&ins,
       "DELETE FROM tagxref WHERE tagid=%d AND rid=:rid", tagid
    );
  }
  if( tagid==TAG_BGCOLOR ){
    db_prepare(&eventupdate,

**
**         Remove the tag TAGNAME from CHECK-IN, and also remove
**         the propagation of the tag to any descendants.
**
**     %fossil tag find ?--raw? ?-t|--type TYPE? ?-n|--limit #? TAGNAME
**
**         List all objects that use TAGNAME.  TYPE can be "ci" for
**         check-ins or "e" for events. The limit option limits the number
**         of results to the given value.
**
**     %fossil tag list|ls ?--raw? ?CHECK-IN?
**
**         List all tags, or if CHECK-IN is supplied, list
**         all tags and their values for CHECK-IN.
**