Changes On Branch jan-sbsdiff
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Changes In Branch jan-sbsdiff Excluding Merge-Ins

This is equivalent to a diff from fd486df492 to a92908a6b5

2011-10-17
01:19
Merge the side-by-side diff code into trunk. check-in: 0bde74ea1e user: drh tags: trunk
01:18
Remove unused variables and surplus blank lines from the side-by-side diff code. Closed-Leaf check-in: a92908a6b5 user: drh tags: jan-sbsdiff
01:12
Add new warnings for when Fossil overwrites an unmanged file on "update" or "merge". Undo has been and continues to be available to recover the overwritten files. check-in: 39f979b08c user: drh tags: trunk
00:26
Rephrasing and fixed a typo. check-in: 8e358aa8c6 user: jan tags: jan-sbsdiff
2011-10-16
23:24
Merge the latest trunk changes into the side-by-side diff branch. check-in: 23c3affad4 user: drh tags: jan-sbsdiff
23:10
Fix a typo in the timeline EVENT table entries generated by "fossil rebuild" in the previous check-in. check-in: fd486df492 user: drh tags: trunk
23:00
Show tag changes on the timeline. A "fossil rebuild" is required to take advantage of this new feature. Also put a • character in front of non-checkin timeline entries to make them stand out more. check-in: 87540ed6e6 user: drh tags: trunk

Changes to src/diff.c.

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    ** array of COPY/DELETE/INSERT triples.
    */
    free(c.aFrom);
    free(c.aTo);
    return c.aEdit;
  }
}

























































































































































































/*
** COMMAND: test-rawdiff
*/
void test_rawdiff_cmd(void){
  Blob a, b;
  int r;






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    ** array of COPY/DELETE/INSERT triples.
    */
    free(c.aFrom);
    free(c.aTo);
    return c.aEdit;
  }
}

/*
** Copy a line with a limit. Used for side-by-side diffs to enforce a maximum
** line length limit.
*/
static char *copylimline(char *out, DLine *dl, int lim){
  int len;
  len = dl->h & LENGTH_MASK;
  if( lim && len > lim ){
    memcpy(out, dl->z, lim-3);
    strcpy(&out[lim-3], "...");
  }else{
    memcpy(out, dl->z, len);
    out[len] = '\0';
  }
  return out;
}

/*
** Output table body of a side-by-side diff. Prior to the call, the caller
** should have output:
**   <table class="sbsdiff">
**   <tr><th colspan="2" class="diffhdr">Old title</th><th/>
**   <th colspan="2" class="diffhdr">New title</th></tr>
**
** And after the call, it should output:
**   </table>
**
** Some good reference diffs in the fossil repository for testing:
** /vdiff?from=080d27a&to=4b0f813&detail=1
** /vdiff?from=636804745b&to=c1d78e0556&detail=1
** /vdiff?from=c0b6c28d29&to=25169506b7&detail=1
** /vdiff?from=e3d022dffa&to=48bcfbd47b&detail=1
*/
int html_sbsdiff(
  Blob *pA_Blob,   /* FROM file */
  Blob *pB_Blob,   /* TO file */
  int nContext,    /* Amount of context to unified diff */
  int ignoreEolWs  /* Ignore whitespace at the end of lines */
){
  DContext c;
  int i;
  int iFrom, iTo;
  char *linebuf;
  int collim=0; /* Currently not settable; allows a column limit for diffs */
  int allowExp=0; /* Currently not settable; (dis)allow expansion of rows */

  /* Prepare the input files */
  memset(&c, 0, sizeof(c));
  c.aFrom = break_into_lines(blob_str(pA_Blob), blob_size(pA_Blob),
                             &c.nFrom, ignoreEolWs);
  c.aTo = break_into_lines(blob_str(pB_Blob), blob_size(pB_Blob),
                           &c.nTo, ignoreEolWs);
  if( c.aFrom==0 || c.aTo==0 ){
    free(c.aFrom);
    free(c.aTo);
    /* Note: This would be generated within a table. */
    @ <p class="generalError" style="white-space: nowrap">cannot compute
    @ difference between binary files</p>
    return 0;
  }

  collim = collim < 4 ? 0 : collim;

  /* Compute the difference */
  diff_all(&c);

  linebuf = fossil_malloc(LENGTH_MASK+1);
  if( !linebuf ){
    free(c.aFrom);
    free(c.aTo);
    free(c.aEdit);
    return 0;
  }

  iFrom=iTo=0;
  i=0;
  while( i<c.nEdit ){
    int j;
    /* Copied lines */
    for( j=0; j<c.aEdit[i]; j++){
      /* Hide lines which are copied and are further away from block boundaries
      ** than nConext lines. For each block with hidden lines, show a row
      ** notifying the user about the hidden rows.
      */
      if( j<nContext || j>c.aEdit[i]-nContext-1 ){
        @ <tr>
      }else if( j==nContext && j<c.aEdit[i]-nContext-1 ){
        @ <tr>
        @ <td class="meta" colspan="5" style="white-space: nowrap;">
        @ %d(c.aEdit[i]-2*nContext) hidden lines</td>
        @ </tr>
        if( !allowExp )
           continue;
        @ <tr style="display:none;">
      }else{
        if( !allowExp )
           continue;
        @ <tr style="display:none;">
      }

      copylimline(linebuf, &c.aFrom[iFrom+j], collim);
      @ <td class="lineno">%d(iFrom+j+1)</td>
      @ <td class="srcline">%h(linebuf)</td>

      @ <td> </td>

      copylimline(linebuf, &c.aTo[iTo+j], collim);
      @ <td class="lineno">%d(iTo+j+1)</td>
      @ <td class="srcline">%h(linebuf)</td>

      @ </tr>
    }
    iFrom+=c.aEdit[i];
    iTo+=c.aEdit[i];

    if( c.aEdit[i+1]!=0 && c.aEdit[i+2]!=0 ){
      int lim;
      lim = c.aEdit[i+1] > c.aEdit[i+2] ? c.aEdit[i+1] : c.aEdit[i+2];

      /* Assume changed lines */
      for( j=0; j<lim; j++ ){
        @ <tr>

        if( j<c.aEdit[i+1] ){
          copylimline(linebuf, &c.aFrom[iFrom+j], collim);
          @ <td class="changed lineno">%d(iFrom+j+1)</td>
          @ <td class="changed srcline">%h(linebuf)</td>
        }else{
          @ <td colspan="2" class="changedvoid"/>
        }

        @ <td class="changed">|</td>

        if( j<c.aEdit[i+2] ){
          copylimline(linebuf, &c.aTo[iTo+j], collim);
          @ <td class="changed lineno">%d(iTo+j+1)</td>
          @ <td class="changed srcline">%h(linebuf)</td>
        }else{
          @ <td colspan="2" class="changedvoid"/>
        }

        @ </tr>
      }
      iFrom+=c.aEdit[i+1];
      iTo+=c.aEdit[i+2];
    }else{

      /* Process deleted lines */
      for( j=0; j<c.aEdit[i+1]; j++ ){
        @ <tr>

        copylimline(linebuf, &c.aFrom[iFrom+j], collim);
        @ <td class="removed lineno">%d(iFrom+j+1)</td>
        @ <td class="removed srcline">%h(linebuf)</td>
        @ <td>&lt;</td>
        @ <td colspan="2" class="removedvoid"/>
        @ </tr>
      }
      iFrom+=c.aEdit[i+1];

      /* Process inserted lines */
      for( j=0; j<c.aEdit[i+2]; j++ ){
        @ <tr>
        @ <td colspan="2" class="addedvoid"/>
        @ <td>&gt;</td>
        copylimline(linebuf, &c.aTo[iTo+j], collim);
        @ <td class="added lineno">%d(iTo+j+1)</td>
        @ <td class="added srcline">%h(linebuf)</td>
        @ </tr>
      }
      iTo+=c.aEdit[i+2];
    }

    i+=3;
  }

  free(linebuf);
  free(c.aFrom);
  free(c.aTo);
  free(c.aEdit);
  return 1;
}


/*
** COMMAND: test-rawdiff
*/
void test_rawdiff_cmd(void){
  Blob a, b;
  int r;

Changes to src/info.c.

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  blob_zero(&out);
  text_diff(&from, &to, &out, 5, 1);
  @ %h(blob_str(&out))
  blob_reset(&from);
  blob_reset(&to);
  blob_reset(&out);  
}































/*
** Write a line of web-page output that shows changes that have occurred 
** to a file between two check-ins.
*/
static void append_file_change_line(
  const char *zName,    /* Name of the file that has changed */
  const char *zOld,     /* blob.uuid before change.  NULL for added files */
  const char *zNew,     /* blob.uuid after change.  NULL for deletes */
  const char *zOldName, /* Prior name.  NULL if no name change. */
  int showDiff,         /* Show edit diffs if true */

  int mperm             /* executable or symlink permission for zNew */
){
  if( !g.perm.History ){
    if( zNew==0 ){
      @ <p>Deleted %h(zName)</p>
    }else if( zOld==0 ){
      @ <p>Added %h(zName)</p>
................................................................................
      @ <p>Deleted <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
      @ version <a href="%s(g.zTop)/artifact/%s(zOld)">[%S(zOld)]</a>
    }else{
      @ <p>Added <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
      @ version <a href="%s(g.zTop)/artifact/%s(zNew)">[%S(zNew)]</a>
    }
    if( showDiff ){



      @ <blockquote><pre>
      append_diff(zOld, zNew);
      @ </pre></blockquote>

    }else if( zOld && zNew && fossil_strcmp(zOld,zNew)!=0 ){
      @ &nbsp;&nbsp;
      @ <a href="%s(g.zTop)/fdiff?v1=%S(zOld)&amp;v2=%S(zNew)">[diff]</a>
    }
    @ </p>
  }
}
................................................................................
** "show-version-diffs" setting is turned on.
*/
void ci_page(void){
  Stmt q;
  int rid;
  int isLeaf;
  int showDiff;

  const char *zName;   /* Name of the checkin to be displayed */
  const char *zUuid;   /* UUID of zName */
  const char *zParent; /* UUID of the parent checkin (if any) */

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(); return; }
  zName = P("name");
................................................................................
     "SELECT uuid, datetime(mtime, 'localtime'), user, comment,"
     "       datetime(omtime, 'localtime')"
     "  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);
    char *zTitle = mprintf("Check-in [%.10s]", zUuid);
    char *zEUser, *zEComment;
    const char *zUser;
    const char *zComment;
    const char *zDate;
................................................................................
  if( zParent ){
    @ <div class="section">Changes</div>
    showDiff = g.zPath[0]!='c';
    if( db_get_boolean("show-version-diffs", 0)==0 ){
      showDiff = !showDiff;
      if( showDiff ){
        @ <a href="%s(g.zTop)/vinfo/%T(zName)">[hide&nbsp;diffs]</a>




      }else{
        @ <a href="%s(g.zTop)/ci/%T(zName)">[show&nbsp;diffs]</a>








      }
    }else{
      if( showDiff ){
        @ <a href="%s(g.zTop)/ci/%T(zName)">[hide&nbsp;diffs]</a>




      }else{




        @ <a href="%s(g.zTop)/vinfo/%T(zName)">[show&nbsp;diffs]</a>




      }
    }
    @ &nbsp;&nbsp;
    @ <a href="%s(g.zTop)/vpatch?from=%S(zParent)&to=%S(zUuid)">[patch]</a><br/>
    db_prepare(&q,
       "SELECT name,"
       "       mperm,"
................................................................................
    );
    while( db_step(&q)==SQLITE_ROW ){
      const char *zName = db_column_text(&q,0);
      int mperm = db_column_int(&q, 1);
      const char *zOld = db_column_text(&q,2);
      const char *zNew = db_column_text(&q,3);
      const char *zOldName = db_column_text(&q, 4);
      append_file_change_line(zName, zOld, zNew, zOldName, showDiff, mperm);

    }
    db_finalize(&q);
  }
  style_footer();
}

/*
................................................................................
  }
  db_finalize(&q);
}


/*
** WEBPAGE: vdiff
** URL: /vdiff?from=UUID&amp;to=UUID&amp;detail=BOOLEAN
**
** Show all differences between two checkins.  
*/
void vdiff_page(void){
  int ridFrom, ridTo;
  int showDetail = 0;

  Manifest *pFrom, *pTo;
  ManifestFile *pFileFrom, *pFileTo;

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(); return; }
  login_anonymous_available();

  pFrom = vdiff_parse_manifest("from", &ridFrom);
  if( pFrom==0 ) return;
  pTo = vdiff_parse_manifest("to", &ridTo);
  if( pTo==0 ) return;
  showDetail = atoi(PD("detail","0"));










  style_header("Check-in Differences");
  @ <h2>Difference From:</h2><blockquote>
  checkin_description(ridFrom);
  @ </blockquote><h2>To:</h2><blockquote>
  checkin_description(ridTo);
  @ </blockquote><hr /><p>

................................................................................
    }else if( pFileTo==0 ){
      cmp = -1;
    }else{
      cmp = fossil_strcmp(pFileFrom->zName, pFileTo->zName);
    }
    if( cmp<0 ){
      append_file_change_line(pFileFrom->zName, 
                              pFileFrom->zUuid, 0, 0, 0, 0);
      pFileFrom = manifest_file_next(pFrom, 0);
    }else if( cmp>0 ){
      append_file_change_line(pFileTo->zName, 
                              0, pFileTo->zUuid, 0, 0,
                              manifest_file_mperm(pFileTo));
      pFileTo = manifest_file_next(pTo, 0);
    }else if( fossil_strcmp(pFileFrom->zUuid, pFileTo->zUuid)==0 ){
      /* No changes */
      pFileFrom = manifest_file_next(pFrom, 0);
      pFileTo = manifest_file_next(pTo, 0);
    }else{
      append_file_change_line(pFileFrom->zName, 
                              pFileFrom->zUuid,
                              pFileTo->zUuid, 0, showDetail,
                              manifest_file_mperm(pFileTo));
      pFileFrom = manifest_file_next(pFrom, 0);
      pFileTo = manifest_file_next(pTo, 0);
    }
  }
  manifest_destroy(pFrom);
  manifest_destroy(pTo);
................................................................................
    @ <a href="%s(g.zTop)/artifact/%S(zUuid)">[view]</a>
  }
}


/*
** WEBPAGE: fdiff
** URL: fdiff?v1=UUID&v2=UUID&patch
**
** Two arguments, v1 and v2, identify the files to be diffed.  Show the 
** difference between the two artifacts.  Generate plaintext if "patch"
** is present.
*/
void diff_page(void){
  int v1, v2;
  int isPatch;

  Blob c1, c2, diff, *pOut;
  char *zV1;
  char *zV2;

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(); return; }
  v1 = name_to_rid_www("v1");
  v2 = name_to_rid_www("v2");
  if( v1==0 || v2==0 ) fossil_redirect_home();

  zV1 = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", v1);
  zV2 = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", v2);
  isPatch = P("patch")!=0;
  if( isPatch ){
    pOut = cgi_output_blob();
    cgi_set_content_type("text/plain");
  }else{
    blob_zero(&diff);
    pOut = &diff;
  }

  content_get(v1, &c1);
  content_get(v2, &c2);
  text_diff(&c1, &c2, pOut, 4, 1);
  blob_reset(&c1);
  blob_reset(&c2);

  if( !isPatch ){
    style_header("Diff");
    style_submenu_element("Patch", "Patch", "%s/fdiff?v1=%T&v2=%T&patch",
                          g.zTop, P("v1"), P("v2"));










    @ <h2>Differences From
    @ Artifact <a href="%s(g.zTop)/artifact/%S(zV1)">[%S(zV1)]</a>:</h2>
    object_description(v1, 0, 0);
    @ <h2>To Artifact <a href="%s(g.zTop)/artifact/%S(zV2)">[%S(zV2)]</a>:</h2>
    object_description(v2, 0, 0);
    @ <hr />



    @ <blockquote><pre>
    @ %h(blob_str(&diff))
    @ </pre></blockquote>

    blob_reset(&diff);
    style_footer();
  }
}

/*
** WEBPAGE: raw






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  blob_zero(&out);
  text_diff(&from, &to, &out, 5, 1);
  @ %h(blob_str(&out))
  blob_reset(&from);
  blob_reset(&to);
  blob_reset(&out);  
}


/*
** Write the difference between two RIDs to the output
*/
static void generate_sbsdiff(const char *zFrom, const char *zTo){
  int fromid;
  int toid;
  Blob from, to;
  if( zFrom ){
    fromid = uuid_to_rid(zFrom, 0);
    content_get(fromid, &from);
  }else{
    blob_zero(&from);
  }
  if( zTo ){
    toid = uuid_to_rid(zTo, 0);
    content_get(toid, &to);
  }else{
    blob_zero(&to);
  }
  @ <table class="sbsdiff">
  @ <tr><th colspan="2" class="diffhdr">Old (%S(zFrom))</th><th/>
  @ <th colspan="2" class="diffhdr">New (%S(zTo))</th></tr>
  html_sbsdiff(&from, &to, 5, 1);
  @ </table>
  blob_reset(&from);
  blob_reset(&to);
}


/*
** Write a line of web-page output that shows changes that have occurred 
** to a file between two check-ins.
*/
static void append_file_change_line(
  const char *zName,    /* Name of the file that has changed */
  const char *zOld,     /* blob.uuid before change.  NULL for added files */
  const char *zNew,     /* blob.uuid after change.  NULL for deletes */
  const char *zOldName, /* Prior name.  NULL if no name change. */
  int showDiff,         /* Show edit diffs if true */
  int sideBySide,       /* Show diffs side-by-side */
  int mperm             /* executable or symlink permission for zNew */
){
  if( !g.perm.History ){
    if( zNew==0 ){
      @ <p>Deleted %h(zName)</p>
    }else if( zOld==0 ){
      @ <p>Added %h(zName)</p>
................................................................................
      @ <p>Deleted <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
      @ version <a href="%s(g.zTop)/artifact/%s(zOld)">[%S(zOld)]</a>
    }else{
      @ <p>Added <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
      @ version <a href="%s(g.zTop)/artifact/%s(zNew)">[%S(zNew)]</a>
    }
    if( showDiff ){
      if( sideBySide ){
         generate_sbsdiff(zOld, zNew);
      }else{
        @ <blockquote><pre>
        append_diff(zOld, zNew);
        @ </pre></blockquote>
      }
    }else if( zOld && zNew && fossil_strcmp(zOld,zNew)!=0 ){
      @ &nbsp;&nbsp;
      @ <a href="%s(g.zTop)/fdiff?v1=%S(zOld)&amp;v2=%S(zNew)">[diff]</a>
    }
    @ </p>
  }
}
................................................................................
** "show-version-diffs" setting is turned on.
*/
void ci_page(void){
  Stmt q;
  int rid;
  int isLeaf;
  int showDiff;
  int sideBySide;
  const char *zName;   /* Name of the checkin to be displayed */
  const char *zUuid;   /* UUID of zName */
  const char *zParent; /* UUID of the parent checkin (if any) */

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(); return; }
  zName = P("name");
................................................................................
     "SELECT uuid, datetime(mtime, 'localtime'), user, comment,"
     "       datetime(omtime, 'localtime')"
     "  FROM blob, event"
     " WHERE blob.rid=%d"
     "   AND event.objid=%d",
     rid, rid
  );
  sideBySide = atoi(PD("sbs","1"));
  if( db_step(&q)==SQLITE_ROW ){
    const char *zUuid = db_column_text(&q, 0);
    char *zTitle = mprintf("Check-in [%.10s]", zUuid);
    char *zEUser, *zEComment;
    const char *zUser;
    const char *zComment;
    const char *zDate;
................................................................................
  if( zParent ){
    @ <div class="section">Changes</div>
    showDiff = g.zPath[0]!='c';
    if( db_get_boolean("show-version-diffs", 0)==0 ){
      showDiff = !showDiff;
      if( showDiff ){
        @ <a href="%s(g.zTop)/vinfo/%T(zName)">[hide&nbsp;diffs]</a>
        @ &nbsp;&nbsp;
        if( sideBySide ){
          @ <a href="%s(g.zTop)/ci/%T(zName)?sbs=0">
          @ [unified&nbsp;diffs]</a>
        }else{
          @ <a href="%s(g.zTop)/ci/%T(zName)?sbs=1">
          @ [side-by-side&nbsp;diffs]</a>
        }
      }else{
        @ <a href="%s(g.zTop)/ci/%T(zName)?sbs=0">
        @ [show&nbsp;unified&nbsp;diffs]</a>
        @ &nbsp;&nbsp;
        @ <a href="%s(g.zTop)/ci/%T(zName)?sbs=1">
        @ [show&nbsp;side-by-side&nbsp;diffs]</a>
      }
    }else{
      if( showDiff ){
        @ <a href="%s(g.zTop)/ci/%T(zName)">[hide&nbsp;diffs]</a>
        @ &nbsp;&nbsp;
        if( sideBySide ){
          @ <a href="%s(g.zTop)/info/%T(zName)?sbs=0">
          @ [unified&nbsp;diffs]</a>
        }else{
          @ <a href="%s(g.zTop)/info/%T(zName)?sbs=1">
          @ [side-by-side&nbsp;diffs]</a>
        }
      }else{
        @ <a href="%s(g.zTop)/vinfo/%T(zName)?sbs=0">
        @ [show&nbsp;unified&nbsp;diffs]</a>
        @ &nbsp;&nbsp;
        @ <a href="%s(g.zTop)/vinfo/%T(zName)?sbs=1">
        @ [show&nbsp;side-by-side&nbsp;diffs]</a>
      }
    }
    @ &nbsp;&nbsp;
    @ <a href="%s(g.zTop)/vpatch?from=%S(zParent)&to=%S(zUuid)">[patch]</a><br/>
    db_prepare(&q,
       "SELECT name,"
       "       mperm,"
................................................................................
    );
    while( db_step(&q)==SQLITE_ROW ){
      const char *zName = db_column_text(&q,0);
      int mperm = db_column_int(&q, 1);
      const char *zOld = db_column_text(&q,2);
      const char *zNew = db_column_text(&q,3);
      const char *zOldName = db_column_text(&q, 4);
      append_file_change_line(zName, zOld, zNew, zOldName, showDiff,
            sideBySide, mperm);
    }
    db_finalize(&q);
  }
  style_footer();
}

/*
................................................................................
  }
  db_finalize(&q);
}


/*
** WEBPAGE: vdiff
** URL: /vdiff?from=UUID&amp;to=UUID&amp;detail=BOOLEAN;sbs=BOOLEAN
**
** Show all differences between two checkins.  
*/
void vdiff_page(void){
  int ridFrom, ridTo;
  int showDetail = 0;
  int sideBySide = 0;
  Manifest *pFrom, *pTo;
  ManifestFile *pFileFrom, *pFileTo;

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(); return; }
  login_anonymous_available();

  pFrom = vdiff_parse_manifest("from", &ridFrom);
  if( pFrom==0 ) return;
  pTo = vdiff_parse_manifest("to", &ridTo);
  if( pTo==0 ) return;
  showDetail = atoi(PD("detail","0"));
  sideBySide = atoi(PD("sbs","1"));
  if( !sideBySide ){
    style_submenu_element("Side-by-side Diff", "sbsdiff",
                          "%s/vdiff?from=%T&to=%T&detail=%d&sbs=1",
                          g.zTop, P("from"), P("to"), showDetail);
  }else{
    style_submenu_element("Unified Diff", "udiff",
                          "%s/vdiff?from=%T&to=%T&detail=%d&sbs=0",
                          g.zTop, P("from"), P("to"), showDetail);
  }
  style_header("Check-in Differences");
  @ <h2>Difference From:</h2><blockquote>
  checkin_description(ridFrom);
  @ </blockquote><h2>To:</h2><blockquote>
  checkin_description(ridTo);
  @ </blockquote><hr /><p>

................................................................................
    }else if( pFileTo==0 ){
      cmp = -1;
    }else{
      cmp = fossil_strcmp(pFileFrom->zName, pFileTo->zName);
    }
    if( cmp<0 ){
      append_file_change_line(pFileFrom->zName, 
                              pFileFrom->zUuid, 0, 0, 0, 0, 0);
      pFileFrom = manifest_file_next(pFrom, 0);
    }else if( cmp>0 ){
      append_file_change_line(pFileTo->zName, 
                              0, pFileTo->zUuid, 0, 0, 0,
                              manifest_file_mperm(pFileTo));
      pFileTo = manifest_file_next(pTo, 0);
    }else if( fossil_strcmp(pFileFrom->zUuid, pFileTo->zUuid)==0 ){
      /* No changes */
      pFileFrom = manifest_file_next(pFrom, 0);
      pFileTo = manifest_file_next(pTo, 0);
    }else{
      append_file_change_line(pFileFrom->zName, 
                              pFileFrom->zUuid,
                              pFileTo->zUuid, 0, showDetail, sideBySide,
                              manifest_file_mperm(pFileTo));
      pFileFrom = manifest_file_next(pFrom, 0);
      pFileTo = manifest_file_next(pTo, 0);
    }
  }
  manifest_destroy(pFrom);
  manifest_destroy(pTo);
................................................................................
    @ <a href="%s(g.zTop)/artifact/%S(zUuid)">[view]</a>
  }
}


/*
** WEBPAGE: fdiff
** URL: fdiff?v1=UUID&v2=UUID&patch&sbs=BOOLEAN
**
** Two arguments, v1 and v2, identify the files to be diffed.  Show the
** difference between the two artifacts.  Show diff side by side unless sbs
** is 0.  Generate plaintext if "patch" is present.
*/
void diff_page(void){
  int v1, v2;
  int isPatch;
  int sideBySide;
  Blob c1, c2, diff, *pOut;
  char *zV1;
  char *zV2;

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(); return; }
  v1 = name_to_rid_www("v1");
  v2 = name_to_rid_www("v2");
  if( v1==0 || v2==0 ) fossil_redirect_home();
  sideBySide = atoi(PD("sbs","1"));
  zV1 = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", v1);
  zV2 = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", v2);
  isPatch = P("patch")!=0;
  if( isPatch ){
    pOut = cgi_output_blob();
    cgi_set_content_type("text/plain");
  }else{
    blob_zero(&diff);
    pOut = &diff;
  }
  if( !sideBySide || isPatch ){
    content_get(v1, &c1);
    content_get(v2, &c2);
    text_diff(&c1, &c2, pOut, 4, 1);
    blob_reset(&c1);
    blob_reset(&c2);
  }
  if( !isPatch ){
    style_header("Diff");
    style_submenu_element("Patch", "Patch", "%s/fdiff?v1=%T&v2=%T&patch",
                          g.zTop, P("v1"), P("v2"));
    if( !sideBySide ){
      style_submenu_element("Side-by-side Diff", "sbsdiff",
                            "%s/fdiff?v1=%T&v2=%T&sbs=1",
                            g.zTop, P("v1"), P("v2"));
    }else{
      style_submenu_element("Unified Diff", "udiff",
                            "%s/fdiff?v1=%T&v2=%T&sbs=0",
                            g.zTop, P("v1"), P("v2"));
    }

    @ <h2>Differences From
    @ Artifact <a href="%s(g.zTop)/artifact/%S(zV1)">[%S(zV1)]</a>:</h2>
    object_description(v1, 0, 0);
    @ <h2>To Artifact <a href="%s(g.zTop)/artifact/%S(zV2)">[%S(zV2)]</a>:</h2>
    object_description(v2, 0, 0);
    @ <hr />
    if( sideBySide ){
      generate_sbsdiff(zV1, zV2);
    }else{
      @ <blockquote><pre>
      @ %h(blob_str(&diff))
      @ </pre></blockquote>
    }
    blob_reset(&diff);
    style_footer();
  }
}

/*
** WEBPAGE: raw

Changes to src/skins.c.

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@ }
@ 
@ /* The label/value pairs on (for example) the vinfo page */
@ table.label-value th {
@   vertical-align: top;
@   text-align: right;
@   padding: 0.2ex 2ex;













































@ }');
@ REPLACE INTO config(name,mtime,value) VALUES('header',now(),'<html>
@ <head>
@ <title>$<project_name>: $<title></title>
@ <link rel="alternate" type="application/rss+xml" title="RSS Feed"
@       href="$home/timeline.rss">
@ <link rel="stylesheet" href="$home/style.css?blackwhite" type="text/css"
................................................................................
@ 
@ /* The label/value pairs on (for example) the ci page */
@ table.label-value th {
@   vertical-align: top;
@   text-align: right;
@   padding: 0.2ex 2ex;
@ }










@ ');

































@ REPLACE INTO config(name,mtime,value) VALUES('header',now(),'<html>
@ <head>
@ <title>$<project_name>: $<title></title>
@ <link rel="alternate" type="application/rss+xml" title="RSS Feed"
@       href="$home/timeline.rss">
@ <link rel="stylesheet" href="$home/style.css?tan" type="text/css"
@       media="screen">
................................................................................
@ }
@ 
@ /* The label/value pairs on (for example) the ci page */
@ table.label-value th {
@   vertical-align: top;
@   text-align: right;
@   padding: 0.2ex 2ex;














































@ }');
@ REPLACE INTO config(name,mtime,value) VALUES('header',now(),'<html>
@ <head>
@ <title>$<project_name>: $<title></title>
@ <link rel="alternate" type="application/rss+xml" title="RSS Feed"
@       href="$home/timeline.rss">
@ <link rel="stylesheet" href="$home/style.css?black2" type="text/css"
................................................................................
@ 
@ table.report tr td {
@   padding: 3px 5px;
@ }
@ 
@ textarea {
@   font-size: 1em;



































































@ }');
@ REPLACE INTO config(name,mtime,value) VALUES('header',now(),'<html>
@ <head>
@ <title>$<project_name>: $<title></title>
@ <link rel="alternate" type="application/rss+xml" title="RSS Feed"
@       href="$home/timeline.rss">
@ <link rel="stylesheet" href="$home/style.css?black2" type="text/css"






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@ }
@ 
@ /* The label/value pairs on (for example) the vinfo page */
@ table.label-value th {
@   vertical-align: top;
@   text-align: right;
@   padding: 0.2ex 2ex;
@ }
@
@ /* Side-by-side diff */
@ table.sbsdiff {
@   background-color: white;
@   font-family: fixed, Dejavu Sans Mono, Monaco, Lucida Console, monospace;
@   font-size: 10pt;
@   border-collapse:collapse;
@   white-space: pre;
@   width: 98%;
@   border: 1px #000 dashed;
@ }
@
@ table.sbsdiff th.diffhdr {
@   border-bottom: dotted;
@   border-width: 1px;
@ }
@
@ table.sbsdiff tr td {
@   white-space: pre;
@   padding-left: 3px;
@   padding-right: 3px;
@   margin: 0px;
@ }
@
@ table.sbsdiff tr td.lineno {
@   text-align: right;
@ }
@
@ table.sbsdiff tr td.meta {
@   color: white;
@   background-color: rgb(20, 20, 20);
@   text-align: center;
@ }
@
@ table.sbsdiff tr td.added {
@   background-color: rgb(230, 230, 230);
@ }
@
@ table.sbsdiff tr td.removed {
@   background-color: rgb(200, 200, 200);
@ }
@
@ table.sbsdiff tr td.changed {
@   background-color: rgb(220, 220, 220);
@ }');
@ REPLACE INTO config(name,mtime,value) VALUES('header',now(),'<html>
@ <head>
@ <title>$<project_name>: $<title></title>
@ <link rel="alternate" type="application/rss+xml" title="RSS Feed"
@       href="$home/timeline.rss">
@ <link rel="stylesheet" href="$home/style.css?blackwhite" type="text/css"
................................................................................
@ 
@ /* The label/value pairs on (for example) the ci page */
@ table.label-value th {
@   vertical-align: top;
@   text-align: right;
@   padding: 0.2ex 2ex;
@ }
@
@ /* Side-by-side diff */
@ table.sbsdiff {
@   background-color: #ffffc5;
@   font-family: fixed, Dejavu Sans Mono, Monaco, Lucida Console, monospace;
@   font-size: 10pt;
@   border-collapse:collapse;
@   white-space: pre;
@   width: 98%;
@   border: 1px #000 dashed;
@ }
@
@ table.sbsdiff th.diffhdr {
@   border-bottom: dotted;
@   border-width: 1px;
@ }
@
@ table.sbsdiff tr td {
@   white-space: pre;
@   padding-left: 3px;
@   padding-right: 3px;
@   margin: 0px;
@ }
@
@ table.sbsdiff tr td.lineno {
@   text-align: right;
@ }
@
@ table.sbsdiff tr td.meta {
@   background-color: #a09048;
@   text-align: center;
@ }
@
@ table.sbsdiff tr td.added {
@   background-color: rgb(210, 210, 100);
@ }
@
@ table.sbsdiff tr td.removed {
@   background-color: rgb(190, 200, 110);
@ }
@
@ table.sbsdiff tr td.changed {
@   background-color: rgb(200, 210, 120);
@ }');
@ REPLACE INTO config(name,mtime,value) VALUES('header',now(),'<html>
@ <head>
@ <title>$<project_name>: $<title></title>
@ <link rel="alternate" type="application/rss+xml" title="RSS Feed"
@       href="$home/timeline.rss">
@ <link rel="stylesheet" href="$home/style.css?tan" type="text/css"
@       media="screen">
................................................................................
@ }
@ 
@ /* The label/value pairs on (for example) the ci page */
@ table.label-value th {
@   vertical-align: top;
@   text-align: right;
@   padding: 0.2ex 2ex;
@ }
@
@ /* Side-by-side diff */
@ table.sbsdiff {
@   background-color: white;
@   font-family: fixed, Dejavu Sans Mono, Monaco, Lucida Console, monospace;
@   font-size: 10pt;
@   border-collapse:collapse;
@   white-space: pre;
@   width: 98%;
@   border: 1px #000 dashed;
@ }
@
@ table.sbsdiff th.diffhdr {
@   border-bottom: dotted;
@   border-width: 1px;
@ }
@
@ table.sbsdiff tr td {
@   white-space: pre;
@   padding-left: 3px;
@   padding-right: 3px;
@   margin: 0px;
@ }
@
@ table.sbsdiff tr td.lineno {
@   text-align: right;
@ }
@
@ table.sbsdiff tr td.meta {
@   color: white;
@   background-color: black;
@   text-align: center;
@ }
@
@ table.sbsdiff tr td.added {
@   background-color: white;
@ }
@
@ table.sbsdiff tr td.removed {
@   background-color: white;
@   text-decoration: line-through;
@ }
@
@ table.sbsdiff tr td.changed {
@   background-color: white;
@ }');
@ REPLACE INTO config(name,mtime,value) VALUES('header',now(),'<html>
@ <head>
@ <title>$<project_name>: $<title></title>
@ <link rel="alternate" type="application/rss+xml" title="RSS Feed"
@       href="$home/timeline.rss">
@ <link rel="stylesheet" href="$home/style.css?black2" type="text/css"
................................................................................
@ 
@ table.report tr td {
@   padding: 3px 5px;
@ }
@ 
@ textarea {
@   font-size: 1em;
@ }
@
@ /* Side-by-side diff */
@ table.sbsdiff {
@   background-color: white;
@   font-family: Dejavu Sans Mono, Monaco, Lucida Console, monospace;
@   font-size: 8pt;
@   border-collapse:collapse;
@   width: 98%;
@   border: 1px #000 dashed;
@   margin-left: auto;
@   margin-right: auto;
@ }
@
@ table.sbsdiff th.diffhdr {
@   border-bottom: dotted;
@   border-width: 1px;
@ }
@
@ table.sbsdiff tr td {
@   padding-left: 3px;
@   padding-right: 3px;
@   margin: 0px;
@   vertical-align: top;
@   white-space: pre-wrap;
@ }
@
@ table.sbsdiff tr td.lineno {
@   text-align: right;
@   /* border-bottom: 1px solid rgb(220, 220, 220); */
@ }
@
@ table.sbsdiff tr td.srcline {
@   max-width: 400px;
@   /* Note: May partially hide long lines without whitespaces */
@   overflow: hidden;
@   /* border-bottom: 1px solid rgb(220, 220, 220); */
@ }
@
@ table.sbsdiff tr td.meta {
@   background-color: rgb(170, 160, 255);
@   padding-top: 0.25em;
@   padding-bottom: 0.25em;
@   text-align: center;
@   -moz-border-radius: 5px;
@   -moz-border-radius: 5px;
@   -webkit-border-radius: 5px;
@   -webkit-border-radius: 5px;
@   -border-radius: 5px;
@   -border-radius: 5px;
@   border-radius: 5px;
@   border-radius: 5px;
@ }
@
@ table.sbsdiff tr td.added {
@   background-color: rgb(180, 250, 180);
@   /* border-bottom: 1px solid rgb(160, 230, 160); */
@ }
@
@ table.sbsdiff tr td.removed {
@   background-color: rgb(250, 130, 130);
@   /* border-bottom: 1px solid rgb(230, 110, 110); */
@ }
@
@ table.sbsdiff tr td.changed {
@   background-color: rgb(210, 210, 200);
@   /* border-bottom: 1px solid rgb(190, 190, 180); */
@ }');
@ REPLACE INTO config(name,mtime,value) VALUES('header',now(),'<html>
@ <head>
@ <title>$<project_name>: $<title></title>
@ <link rel="alternate" type="application/rss+xml" title="RSS Feed"
@       href="$home/timeline.rss">
@ <link rel="stylesheet" href="$home/style.css?black2" type="text/css"

Changes to src/style.c.

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@
@ /* The label/value pairs on (for example) the ci page */
@ table.label-value th {
@   vertical-align: top;
@   text-align: right;
@   padding: 0.2ex 2ex;
@ }



























































@
;


/* The following table contains bits of default CSS that must
** be included if they are not found in the application-defined
** CSS.






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394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
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425
426
427
428
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431
432
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436
437
438
439
440
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449
450
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452
453
454
455
456
457
458
459
460
461
462
463
464
465
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@
@ /* The label/value pairs on (for example) the ci page */
@ table.label-value th {
@   vertical-align: top;
@   text-align: right;
@   padding: 0.2ex 2ex;
@ }
@
@ /* Side-by-side diff */
@ table.sbsdiff {
@   background-color: white;
@   font-family: fixed, Dejavu Sans Mono, Monaco, Lucida Console, monospace;
@   font-size: 10pt;
@   border-collapse:collapse;
@   white-space: pre;
@   width: 98%;
@   border: 1px #000 dashed;
@   margin-left: auto;
@   margin-right: auto;
@ }
@
@ table.sbsdiff th.diffhdr {
@   border-bottom: dotted;
@   border-width: 1px;
@ }
@
@ table.sbsdiff tr td {
@   white-space: pre;
@   padding-left: 3px;
@   padding-right: 3px;
@   margin: 0px;
@   vertical-align: top;
@ }
@
@ table.sbsdiff tr td.lineno {
@   text-align: right;
@ }
@
@ table.sbsdiff tr td.srcline {
@ }
@
@ table.sbsdiff tr td.meta {
@   background-color: rgb(170, 160, 255);
@   text-align: center;
@ }
@
@ table.sbsdiff tr td.added {
@   background-color: rgb(180, 250, 180);
@ }
@ table.sbsdiff tr td.addedvoid {
@   background-color: rgb(190, 190, 180);
@ }
@
@ table.sbsdiff tr td.removed {
@   background-color: rgb(250, 130, 130);
@ }
@ table.sbsdiff tr td.removedvoid {
@   background-color: rgb(190, 190, 180);
@ }
@
@ table.sbsdiff tr td.changed {
@   background-color: rgb(210, 210, 200);
@ }
@ table.sbsdiff tr td.changedvoid {
@   background-color: rgb(190, 190, 180);
@ }
@
;


/* The following table contains bits of default CSS that must
** be included if they are not found in the application-defined
** CSS.