/*
** 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
**
** 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){
Stmt q;
int cnt = 0;
db_prepare(&q,
"SELECT plink.cid, blob.uuid, datetime(plink.mtime, 'localtime'),"
" event.user, event.comment"
" 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 ){
@ <ul>
}
@ <li>
hyperlink_to_uuid(zUuid);
@ %s(zCom) (by %s(zUser) on %s(zDate))
if( depth ){
n = showDescendents(cid, depth-1);
}else{
n = db_int(0, "SELECT 1 FROM plink WHERE pid=%d", cid);
}
if( n==0 ){
@ <b>leaf</b>
}
}
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 int showAncestors(int pid, int depth){
Stmt q;
int cnt = 0;
db_prepare(&q,
"SELECT plink.pid, blob.uuid, datetime(event.mtime, 'localtime'),"
" event.user, event.comment"
" FROM plink, blob, event"
" WHERE plink.cid=%d"
" AND blob.rid=plink.pid"
" AND event.objid=plink.pid"
" ORDER BY event.mtime DESC",
pid
);
@ <ul>
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++;
@ <li>
hyperlink_to_uuid(zUuid);
@ %s(zCom) (by %s(zUser) on %s(zDate))
if( depth ){
showAncestors(cid, depth-1);
}
}
@ </ul>
return cnt;
}
/*
** 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;
int n;
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 ){
@ <h2>Version %s(db_column_text(&q,0))</h2>
@ <ul>
@ <li><b>Date:</b> %s(db_column_text(&q, 1))</li>
@ <li><b>User:</b> %s(db_column_text(&q, 2))</li>
@ <li><b>Comment:</b> %s(db_column_text(&q, 3))</li>
@ <li><a href="%s(g.zBaseURL)/vdiff/%d(rid)">diff</a></li>
@ </ul>
}
db_finalize(&q);
@ <p><h2>Descendents:</h2>
n = showDescendents(rid, 2);
if( n==0 ){
@ <ul>None. This is a leaf node.</ul>
}
@ <p><h2>Ancestors:</h2>
n = showAncestors(rid, 2);
if( n==0 ){
@ <ul>None. This is the root of the tree.</ul>
}
@ <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>
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 blob.uuid, datetime(event.mtime,'localtime'),"
" event.comment, event.user"
" FROM mlink, blob, event"
" WHERE mlink.fnid=(SELECT fnid FROM filename WHERE name=%Q)"
" AND blob.rid=mlink.mid"
" 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 *zDate = db_column_text(&q, 1);
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(db_column_text(&q,0));
@ %h(db_column_text(&q,2)) (by %h(db_column_text(&q,3)))</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, i;
Stmt q;
Manifest m;
Blob mfile, file;
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();
}
#if 0
/*
** WEB PAGE: diff
**
** Display the difference between two files determined by the v1 and v2
** query parameters. If only v2 is given compute v1 as the parent of v2.
** If v2 has no parent, then show the complete text of v2.
*/
void diff_page(void){
const char *zV1 = P("v1");
const char *zV2 = P("v2");
int vid1, vid2;
Blob out;
Record *p1, *p2;
if( zV2==0 ){
cgi_redirect("index");
}
vid2 = uuid_to_rid(zV2, 0);
p2 = record_from_rid(vid2);
style_header("File Diff");
if( zV1==0 ){
zV1 = db_text(0,
"SELECT uuid FROM record WHERE rid="
" (SELECT a FROM link WHERE typecode='P' AND b=%d)", vid2);
}
if( zV1==0 ){
@ <p>Content of
hyperlink_to_uuid(zV2);
@ </p>
@ <pre>
@ %h(blob_str(record_get_content(p2)))
@ </pre>
}else{
vid1 = uuid_to_rid(zV1, 0);
p1 = record_from_rid(vid1);
blob_zero(&out);
unified_diff(record_get_content(p1), record_get_content(p2), 4, &out);
@ <p>Differences between
hyperlink_to_uuid(zV1);
@ and
hyperlink_to_uuid(zV2);
@ </p>
@ <pre>
@ %h(blob_str(&out))
@ </pre>
record_destroy(p1);
blob_reset(&out);
}
record_destroy(p2);
style_footer();
}
#endif