/*
** Copyright (c) 2007 D. Richard Hipp
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public
** License version 2 as published by the Free Software Foundation.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
** General Public License for more details.
**
** You should have received a copy of the GNU General Public
** License along with this library; if not, write to the
** Free Software Foundation, Inc., 59 Temple Place - Suite 330,
** Boston, MA 02111-1307, USA.
**
** Author contact information:
** drh@hwaci.com
** http://www.hwaci.com/drh/
**
*******************************************************************************
**
** This file contains code to implement the "info" command. The
** "info" command gives command-line access to information about
** the current tree, or a particular file or version.
*/
#include "config.h"
#include "info.h"
#include <assert.h>
/*
** Print common information about a particular record.
**
** * The UUID
** * The record ID
** * mtime and ctime
** * who signed it
*/
void show_common_info(int rid, const char *zUuidName, int showComment){
Stmt q;
char *zComment = 0;
db_prepare(&q,
"SELECT uuid"
" FROM blob WHERE rid=%d", rid
);
if( db_step(&q)==SQLITE_ROW ){
/* 01234567890123 */
printf("%-13s %s\n", zUuidName, db_column_text(&q, 0));
}
db_finalize(&q);
db_prepare(&q, "SELECT uuid FROM plink JOIN blob ON pid=rid "
" WHERE cid=%d", rid);
while( db_step(&q)==SQLITE_ROW ){
const char *zUuid = db_column_text(&q, 0);
printf("parent: %s\n", zUuid);
}
db_finalize(&q);
db_prepare(&q, "SELECT uuid FROM plink JOIN blob ON cid=rid "
" WHERE pid=%d", rid);
while( db_step(&q)==SQLITE_ROW ){
const char *zUuid = db_column_text(&q, 0);
printf("child: %s\n", zUuid);
}
db_finalize(&q);
if( zComment ){
printf("comment:\n%s\n", zComment);
free(zComment);
}
}
/*
** COMMAND: info
**
** Usage: %fossil info ?UUID?
**
** With no arguments, provide information about the current tree.
** If an argument is given, provide information about the record
** that the argument refers to.
*/
void info_cmd(void){
if( g.argc!=2 && g.argc!=3 ){
usage("?FILEID|UUID?");
}
db_must_be_within_tree();
if( g.argc==2 ){
int vid;
/* 012345678901234 */
printf("repository: %s\n", db_lget("repository", ""));
printf("local-root: %s\n", g.zLocalRoot);
printf("project-code: %s\n", db_get("project-code", ""));
printf("server-code: %s\n", db_get("server-code", ""));
vid = db_lget_int("checkout", 0);
if( vid==0 ){
printf("checkout: nil\n");
}else{
show_common_info(vid, "checkout:", 1);
}
}else{
int rid = name_to_rid(g.argv[2]);
if( rid==0 ){
fossil_panic("no such object: %s\n", g.argv[2]);
}
show_common_info(rid, "uuid:", 1);
}
}
/*
** Show information about descendents of a version. Do this recursively
** to a depth of N. Return true if descendents are shown and false if not.
*/
static int showDescendents(int pid, int depth, const char *zTitle){
Stmt q;
int cnt = 0;
db_prepare(&q,
"SELECT plink.cid, blob.uuid, datetime(plink.mtime, 'localtime'),"
" coalesce(event.euser,event.user),"
" coalesce(event.comment,event.ecomment)"
" FROM plink, blob, event"
" WHERE plink.pid=%d"
" AND blob.rid=plink.cid"
" AND event.objid=plink.cid"
" ORDER BY plink.mtime ASC",
pid
);
while( db_step(&q)==SQLITE_ROW ){
int n;
int cid = db_column_int(&q, 0);
const char *zUuid = db_column_text(&q, 1);
const char *zDate = db_column_text(&q, 2);
const char *zUser = db_column_text(&q, 3);
const char *zCom = db_column_text(&q, 4);
cnt++;
if( cnt==1 ){
if( zTitle ){
@ <h2>%s(zTitle)</h2>
}
@ <ul>
}
@ <li>
hyperlink_to_uuid(zUuid);
@ %s(zCom) (by %s(zUser) on %s(zDate))
if( depth ){
n = showDescendents(cid, depth-1, 0);
}else{
n = db_int(0, "SELECT 1 FROM plink WHERE pid=%d", cid);
}
if( n==0 ){
db_multi_exec("DELETE FROM leaves WHERE rid=%d", cid);
@ <b>leaf</b>
}
}
db_finalize(&q);
if( cnt ){
@ </ul>
}
return cnt;
}
/*
** Show information about ancestors of a version. Do this recursively
** to a depth of N. Return true if ancestors are shown and false if not.
*/
static void showAncestors(int pid, int depth, const char *zTitle){
Stmt q;
int cnt = 0;
db_prepare(&q,
"SELECT plink.pid, blob.uuid, datetime(event.mtime, 'localtime'),"
" coalesce(event.euser,event.user),"
" coalesce(event.comment,event.ecomment)"
" FROM plink, blob, event"
" WHERE plink.cid=%d"
" AND blob.rid=plink.pid"
" AND event.objid=plink.pid"
" ORDER BY event.mtime DESC",
pid
);
while( db_step(&q)==SQLITE_ROW ){
int cid = db_column_int(&q, 0);
const char *zUuid = db_column_text(&q, 1);
const char *zDate = db_column_text(&q, 2);
const char *zUser = db_column_text(&q, 3);
const char *zCom = db_column_text(&q, 4);
cnt++;
if( cnt==1 ){
if( zTitle ){
@ <h2>%s(zTitle)</h2>
}
@ <ul>
}
@ <li>
hyperlink_to_uuid(zUuid);
@ %s(zCom) (by %s(zUser) on %s(zDate))
if( depth ){
showAncestors(cid, depth-1, 0);
}
}
db_finalize(&q);
if( cnt ){
@ </ul>
}
}
/*
** Show information about versions mentioned in the "leaves" table.
*/
static void showLeaves(void){
Stmt q;
int cnt = 0;
db_prepare(&q,
"SELECT blob.uuid, datetime(event.mtime, 'localtime'),"
" coalesce(event.euser, event.user),"
" coalesce(event.ecomment,event.comment)"
" FROM leaves, blob, event"
" WHERE blob.rid=leaves.rid"
" AND event.objid=leaves.rid"
" ORDER BY event.mtime DESC"
);
while( db_step(&q)==SQLITE_ROW ){
const char *zUuid = db_column_text(&q, 0);
const char *zDate = db_column_text(&q, 1);
const char *zUser = db_column_text(&q, 2);
const char *zCom = db_column_text(&q, 3);
cnt++;
if( cnt==1 ){
@ <h2>Leaves</h2>
@ <ul>
}
@ <li>
hyperlink_to_uuid(zUuid);
@ %s(zCom) (by %s(zUser) on %s(zDate))
}
db_finalize(&q);
if( cnt ){
@ </ul>
}
}
/*
** Show information about all tags on a given node.
*/
static void showTags(int rid){
Stmt q;
int cnt = 0;
db_prepare(&q,
"SELECT tag.tagid, tagname, srcid, blob.uuid, value,"
" datetime(tagxref.mtime,'localtime'), tagtype"
" FROM tagxref JOIN tag ON tagxref.tagid=tag.tagid"
" LEFT JOIN blob ON blob.rid=tagxref.srcid"
" WHERE tagxref.rid=%d"
" ORDER BY tagname", rid
);
while( db_step(&q)==SQLITE_ROW ){
const char *zTagname = db_column_text(&q, 1);
int srcid = db_column_int(&q, 2);
const char *zUuid = db_column_text(&q, 3);
const char *zValue = db_column_text(&q, 4);
const char *zDate = db_column_text(&q, 5);
int tagtype = db_column_int(&q, 6);
cnt++;
if( cnt==1 ){
@ <h2>Tags And Properties</h2>
@ <ul>
}
@ <li>
@ <b>%h(zTagname)</b>
if( zValue ){
@ = %h(zValue)<i>
}else if( tagtype==0 ){
@ <i>Cancelled
}else{
@ <i>
}
if( srcid==0 ){
@ Inherited
}else if( zUuid ){
@ From
hyperlink_to_uuid(zUuid);
}
@ on %s(zDate)</i>
}
db_finalize(&q);
if( cnt ){
@ </ul>
}
}
/*
** WEBPAGE: vinfo
**
** Return information about a version. The version number is contained
** in g.zExtra.
*/
void vinfo_page(void){
Stmt q;
int rid;
int isLeaf;
login_check_credentials();
if( !g.okHistory ){ login_needed(); return; }
style_header("Version Information");
rid = name_to_rid(g.zExtra);
if( rid==0 ){
@ No such object: %h(g.argv[2])
style_footer();
return;
}
isLeaf = !db_exists("SELECT 1 FROM plink WHERE pid=%d", rid);
db_prepare(&q,
"SELECT uuid, datetime(mtime, 'localtime'), user, comment"
" FROM blob, event"
" WHERE blob.rid=%d"
" AND event.objid=%d",
rid, rid
);
if( db_step(&q)==SQLITE_ROW ){
const char *zUuid = db_column_text(&q, 0);
@ <h2>Version %s(zUuid)</h2>
@ <ul>
@ <li><b>Date:</b> %s(db_column_text(&q, 1))</li>
@ <li><b>Original User:</b> %s(db_column_text(&q, 2))</li>
@ <li><b>Original Comment:</b> %s(db_column_text(&q, 3))</li>
@ <li><a href="%s(g.zBaseURL)/vdiff/%d(rid)">diff</a></li>
@ <li><a href="%s(g.zBaseURL)/zip/%s(zUuid).zip">ZIP archive</a></li>
@ <li><a href="%s(g.zBaseURL)/fview/%d(rid)">manifest</a></li>
if( g.okSetup ){
@ <li><b>Record ID:</b> %d(rid)</li>
}
@ </ul>
}
db_finalize(&q);
showTags(rid);
@ <p><h2>Changes:</h2>
@ <ul>
db_prepare(&q,
"SELECT name, pid, fid"
" FROM mlink, filename"
" WHERE mid=%d"
" AND filename.fnid=mlink.fnid",
rid
);
while( db_step(&q)==SQLITE_ROW ){
const char *zName = db_column_text(&q, 0);
int pid = db_column_int(&q, 1);
int fid = db_column_int(&q, 2);
@ <li>
if( pid && fid ){
@ <b>Modified:</b>
}else if( fid ){
@ <b>Added:</b>
}else{
@ <b>Deleted:</b>
}
@ <a href="%s(g.zBaseURL)/finfo/%T(zName)">%h(zName)</a></li>
}
@ </ul>
compute_leaves(rid);
showDescendents(rid, 2, "Descendents");
showLeaves();
showAncestors(rid, 2, "Ancestors");
style_footer();
}
/*
** WEBPAGE: finfo
**
** Show the complete change history for a single file. The name
** of the file is in g.zExtra
*/
void finfo_page(void){
Stmt q;
char zPrevDate[20];
login_check_credentials();
if( !g.okHistory ){ login_needed(); return; }
style_header("File History");
zPrevDate[0] = 0;
db_prepare(&q,
"SELECT a.uuid, substr(b.uuid,1,10), datetime(event.mtime,'localtime'),"
" coalesce(event.ecomment, event.comment),"
" coalesce(event.euser, event.user),"
" mlink.pid, mlink.fid"
" FROM mlink, blob a, blob b, event"
" WHERE mlink.fnid=(SELECT fnid FROM filename WHERE name=%Q)"
" AND a.rid=mlink.mid"
" AND b.rid=mlink.fid"
" AND event.objid=mlink.mid"
" ORDER BY event.mtime DESC",
g.zExtra
);
@ <h2>History of %h(g.zExtra)</h2>
@ <table cellspacing=0 border=0 cellpadding=0>
while( db_step(&q)==SQLITE_ROW ){
const char *zVers = db_column_text(&q, 0);
const char *zUuid = db_column_text(&q, 1);
const char *zDate = db_column_text(&q, 2);
const char *zCom = db_column_text(&q, 3);
const char *zUser = db_column_text(&q, 4);
int fpid = db_column_int(&q, 5);
int frid = db_column_int(&q, 6);
if( memcmp(zDate, zPrevDate, 10) ){
sprintf(zPrevDate, "%.10s", zDate);
@ <tr><td colspan=3>
@ <table cellpadding=2 border=0>
@ <tr><td bgcolor="#a0b5f4" class="border1">
@ <table cellpadding=2 cellspacing=0 border=0><tr>
@ <td bgcolor="#d0d9f4" class="bkgnd1">%s(zPrevDate)</td>
@ </tr></table>
@ </td></tr></table>
@ </td></tr>
}
@ <tr><td valign="top">%s(&zDate[11])</td>
@ <td width="20"></td>
@ <td valign="top" align="left">
hyperlink_to_uuid(zVers);
@ %h(zCom) (By: %h(zUser))
@ Id: %s(zUuid)/%d(frid)
@ <a href="%s(g.zBaseURL)/fview/%d(frid)">[view]</a>
@ <a href="%s(g.zBaseURL)/fdiff?v1=%d(fpid)&v2=%d(frid)">[diff]</a>
@ </td>
}
db_finalize(&q);
@ </table>
style_footer();
}
/*
** Append the difference between two RIDs to the output
*/
static void append_diff(int fromid, int toid){
Blob from, to, out;
content_get(fromid, &from);
content_get(toid, &to);
blob_zero(&out);
unified_diff(&from, &to, 5, &out);
@ %h(blob_str(&out))
blob_reset(&from);
blob_reset(&to);
blob_reset(&out);
}
/*
** WEBPAGE: vdiff
**
** Show all differences for a particular check-in specified by g.zExtra
*/
void vdiff_page(void){
int rid;
Stmt q;
char *zUuid;
login_check_credentials();
if( !g.okHistory ){ login_needed(); return; }
style_header("Version Diff");
rid = name_to_rid(g.zExtra);
if( rid==0 ){
cgi_redirect("index");
}
db_prepare(&q,
"SELECT pid, fid, name"
" FROM mlink, filename"
" WHERE mlink.mid=%d"
" AND filename.fnid=mlink.fnid"
" ORDER BY name",
rid
);
zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
@ <h2>All Changes In Version
hyperlink_to_uuid(zUuid);
@ </h2>
while( db_step(&q)==SQLITE_ROW ){
int pid = db_column_int(&q,0);
int fid = db_column_int(&q,1);
const char *zName = db_column_text(&q,2);
@ <p><a href="%s(g.zBaseURL)/finfo/%T(zName)">%h(zName)</a></p>
@ <blockquote><pre>
append_diff(pid, fid);
@ </pre></blockquote>
}
db_finalize(&q);
style_footer();
}
/*
** Write a description of an object to the www reply.
**
** If the object is a file then mention:
**
** * It's uuid
** * All its filenames
** * The versions it was checked-in on, with times and users
**
** If the object is a manifest, then mention:
**
** * It's uuid
** * date of check-in
** * Comment & user
*/
static void object_description(int rid, int linkToView){
Stmt q;
int cnt = 0;
db_prepare(&q,
"SELECT filename.name, datetime(event.mtime), substr(a.uuid,1,10),"
" coalesce(event.comment,event.ecomment),"
" coalesce(event.euser,event.user),"
" b.uuid"
" 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",
rid
);
while( db_step(&q)==SQLITE_ROW ){
const char *zName = db_column_text(&q, 0);
const char *zDate = db_column_text(&q, 1);
const char *zFuuid = db_column_text(&q, 2);
const char *zCom = db_column_text(&q, 3);
const char *zUser = db_column_text(&q, 4);
const char *zVers = db_column_text(&q, 5);
@ File <a href="%s(g.zBaseURL)/finfo/%T(zName)">%h(zName)</a>
@ uuid %s(zFuuid) part of check-in
hyperlink_to_uuid(zVers);
@ %s(zCom) by %s(zUser) on %s(zDate).
cnt++;
}
db_finalize(&q);
db_prepare(&q,
"SELECT datetime(mtime), user, comment, uuid"
" FROM event, blob"
" WHERE event.objid=%d"
" AND blob.rid=%d",
rid, rid
);
while( db_step(&q)==SQLITE_ROW ){
const char *zDate = db_column_text(&q, 0);
const char *zUuid = db_column_text(&q, 3);
const char *zCom = db_column_text(&q, 2);
const char *zUser = db_column_text(&q, 1);
@ Manifest of version
hyperlink_to_uuid(zUuid);
@ %s(zCom) by %s(zUser) on %s(zDate).
cnt++;
}
db_finalize(&q);
if( cnt==0 ){
char *zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
@ Control file %s(zUuid).
}else if( linkToView ){
@ <a href="%s(g.zBaseURL)/fview/%d(rid)">[view]</a>
}
}
/*
** WEBPAGE: fdiff
**
** Two arguments, v1 and v2, are integers. Show the difference between
** the two records.
*/
void diff_page(void){
int v1 = name_to_rid(PD("v1","0"));
int v2 = name_to_rid(PD("v2","0"));
Blob c1, c2, diff;
login_check_credentials();
if( !g.okHistory ){ login_needed(); return; }
style_header("Diff");
@ <h2>Differences From:</h2>
@ <blockquote>
object_description(v1, 1);
@ </blockquote>
@ <h2>To:</h2>
@ <blockquote>
object_description(v2, 1);
@ </blockquote>
@ <hr>
@ <blockquote><pre>
content_get(v1, &c1);
content_get(v2, &c2);
blob_zero(&diff);
unified_diff(&c1, &c2, 4, &diff);
blob_reset(&c1);
blob_reset(&c2);
@ %h(blob_str(&diff))
@ </pre></blockquote>
blob_reset(&diff);
style_footer();
}
/*
** WEBPAGE: info
** WEBPAGE: fview
** URL: /fview/UUID
**
** Show the complete content of a file identified by UUID
** as preformatted text.
*/
void fview_page(void){
int rid;
Blob content;
rid = name_to_rid(g.zExtra);
login_check_credentials();
if( !g.okHistory ){ login_needed(); return; }
if( g.zPath[0]=='i' &&
db_exists("SELECT 1 FROM plink WHERE cid=%d", rid) ){
vinfo_page();
return;
}
style_header("File Content");
@ <h2>Content Of:</h2>
@ <blockquote>
object_description(rid, 0);
@ </blockquote>
@ <hr>
@ <blockquote><pre>
content_get(rid, &content);
@ %h(blob_str(&content))
@ </pre></blockquote>
blob_reset(&content);
style_footer();
}