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Overview
Comment:Minor code clean-ups: (1) shorten lines to less than 80 characters (2) remove C99-isms, especially intermixed code and declarations. Also merge in the moved file display fix from the trunk.
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SHA1: a164b63a67369c4285d68efc0505f5aa18dd5397
User & Date: drh 2011-06-02 23:45:48
Context
2011-06-05
08:46
Add ssl-ca-location setting to specify file/directory to pass to OpenSSL as the server CA location. This allows specification of CAs properly on platforms without usable centralised CA certificate lists, or management by external programs. Add note to certificate warning about this setting, and stronger instructions about what to do if the server certificate could not be verified. check-in: 636cc595e1 user: ben tags: ben-testing
2011-06-02
23:45
Minor code clean-ups: (1) shorten lines to less than 80 characters (2) remove C99-isms, especially intermixed code and declarations. Also merge in the moved file display fix from the trunk. check-in: a164b63a67 user: drh tags: ben-testing
20:49
Improved handling of check-in diff display when files have changed names but are otherwise unmodified. Requires a rebuild to get the display exactly right since the MLINK table needs to be recomputed. check-in: 067cda2645 user: drh tags: trunk
19:38
Merge versionable settings and empty-dirs setting from versionable-settings branch check-in: 30ebed1903 user: ben tags: ben-testing
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/db.c. 

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    g.db = g.dbConfig;
    g.dbConfig = dbTemp;
  }
}

/*
** Get a potentially versioned setting - either from .fossil-settings/<name>



*/
char *db_get_versionable_setting(const char *zName, char *zDefault){
  /* Attempt to load the versioned setting from a checked out file */
  char *zVersionedSetting = 0;
  int noWarn = 0;


  if( db_open_local() ){
    Blob versionedPathname;

    blob_zero(&versionedPathname);
    blob_appendf(&versionedPathname, "%s/.fossil-settings/%s", g.zLocalRoot, zName);

    char *zVersionedPathname = blob_str(&versionedPathname);
    if( file_size(zVersionedPathname)>=0 ){
      /* File exists, and contains the value for this setting. Load from the file. */

      Blob setting;
      blob_zero(&setting);
      if( blob_read_from_file(&setting, zVersionedPathname) >= 0 ){
        blob_trim(&setting); /* Avoid non-obvious problems with line endings on boolean properties */

        zVersionedSetting = strdup(blob_str(&setting));
      }
      blob_reset(&setting);
      /* See if there's a no-warn flag */
      blob_append(&versionedPathname, ".no-warn", -1);
      if( file_size(blob_str(&versionedPathname))>=0 ){
        noWarn = 1;
      }
    }
    blob_reset(&versionedPathname);
  }
  /* Load the normal, non-versioned setting */
  char *zSetting = db_get(zName, zDefault);
  /* Display a warning? */
  if( zVersionedSetting!=0 && zSetting!=0 && zSetting[0]!='\0' && zSetting!=zDefault && !noWarn ){


    /* There's a versioned setting, and a non-versioned setting. Tell the user about the conflict */





    fossil_warning("Setting %s has both versioned and non-versioned values: using versioned value from file .fossil-settings/%s (To silence this warning, either create an empty file named .fossil-settings/%s.no-warn or delete the non-versioned setting with \"fossil unset %s\")", zName, zName, zName, zName);


  }
  /* Prefer the versioned setting */
  return ( zVersionedSetting!=0 ) ? zVersionedSetting : zSetting;
}
int db_get_versionable_setting_boolean(const char *zName, int dflt){
  char *zVal = db_get_versionable_setting(zName, dflt ? "on" : "off");
  if( is_truth(zVal) ) return 1;








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    g.db = g.dbConfig;
    g.dbConfig = dbTemp;
  }
}

/*
** Get a potentially versioned setting - either from .fossil-settings/<name>
** if we have a local checkout and that file exists, or from the
** CONFIG or GLOBAL_CONFIG tables if we are running in server mode
** (without a local checkout) or if the file does not exist.
*/
char *db_get_versionable_setting(const char *zName, char *zDefault){
  /* Attempt to load the versioned setting from a checked out file */
  char *zVersionedSetting = 0;
  int noWarn = 0;
  char *zSetting = 0;

  if( db_open_local() ){
    Blob versionedPathname;
    char *zVersionedPathname;
    blob_zero(&versionedPathname);
    blob_appendf(&versionedPathname, "%s/.fossil-settings/%s",
                 g.zLocalRoot, zName);
    zVersionedPathname = blob_str(&versionedPathname);
    if( file_size(zVersionedPathname)>=0 ){
      /* File exists, and contains the value for this setting. Load from
      ** the file. */
      Blob setting;
      blob_zero(&setting);
      if( blob_read_from_file(&setting, zVersionedPathname) >= 0 ){
        blob_trim(&setting); /* Avoid non-obvious problems with line endings
                             ** on boolean properties */
        zVersionedSetting = strdup(blob_str(&setting));
      }
      blob_reset(&setting);
      /* See if there's a no-warn flag */
      blob_append(&versionedPathname, ".no-warn", -1);
      if( file_size(blob_str(&versionedPathname))>=0 ){
        noWarn = 1;
      }
    }
    blob_reset(&versionedPathname);
  }
  /* Load the normal, non-versioned setting */
  zSetting = db_get(zName, zDefault);
  /* Display a warning? */
  if( zVersionedSetting!=0 && zSetting!=0 && zSetting[0]!='\0'
   && zSetting!=zDefault && !noWarn
  ){
    /* There's a versioned setting, and a non-versioned setting. Tell
    ** the user about the conflict */
    fossil_warning(
        "setting %s has both versioned and non-versioned values: using "
        "versioned value from file .fossil-settings/%s (to silence this "
        "warning, either create an empty file named "
        ".fossil-settings/%s.no-warn or delete the non-versioned setting "
        " with \"fossil unset %s\")", zName, zName, zName, zName
    );
  }
  /* Prefer the versioned setting */
  return ( zVersionedSetting!=0 ) ? zVersionedSetting : zSetting;
}
int db_get_versionable_setting_boolean(const char *zName, int dflt){
  char *zVal = db_get_versionable_setting(zName, dflt ? "on" : "off");
  if( is_truth(zVal) ) return 1;

Changes to src/info.c. 

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** 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 */

  int showDiff,         /* Show edit diffs if true */
  int mperm             /* EXE permission for zNew */
){
  if( !g.okHistory ){
    if( zNew==0 ){
      @ <p>Deleted %h(zName)</p>
    }else if( zOld==0 ){
      @ <p>Added %h(zName)</p>


    }else if( fossil_strcmp(zNew, zOld)==0 ){
      @ <p>Execute permission %s(mperm?"set":"cleared") for %h(zName)</p>
    }else{
      @ <p>Changes to %h(zName)</p>
    }
    if( showDiff ){
      @ <blockquote><pre>
................................................................................
    }
  }else{
    if( zOld && zNew ){
      if( fossil_strcmp(zOld, zNew)!=0 ){
        @ <p>Modified <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
        @ from <a href="%s(g.zTop)/artifact/%s(zOld)">[%S(zOld)]</a>
        @ to <a href="%s(g.zTop)/artifact/%s(zNew)">[%S(zNew)].</a>




      }else{
        @ <p>Execute permission %s(mperm?"set":"cleared") for
        @ <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
      }
    }else if( zOld ){
      @ <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>
................................................................................
      @ <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 ){
      @ &nbsp;&nbsp;
      @ <a href="%s(g.zTop)/fdiff?v1=%S(zOld)&amp;v2=%S(zNew)">[diff]</a>
    }
    @ </p>
  }
}

................................................................................
      }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,"

       "       (SELECT uuid FROM blob WHERE rid=mlink.pid),"
       "       (SELECT uuid FROM blob WHERE rid=mlink.fid)"

       "  FROM mlink JOIN filename ON filename.fnid=mlink.fnid"
       " WHERE mlink.mid=%d"
       " ORDER BY name",
       rid
    );
    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);

      append_file_change_line(zName, zOld, zNew, showDiff, mperm);
    }
    db_finalize(&q);
  }
  style_footer();
}

/*
................................................................................
    }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);
      pFileFrom = manifest_file_next(pFrom, 0);
    }else if( cmp>0 ){
      append_file_change_line(pFileTo->zName, 
                              0, pFileTo->zUuid, 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, showDetail,
                              manifest_file_mperm(pFileTo));
      pFileFrom = manifest_file_next(pFrom, 0);
      pFileTo = manifest_file_next(pTo, 0);
    }
  }
  manifest_destroy(pFrom);
  manifest_destroy(pTo);








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** 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             /* EXE permission for zNew */
){
  if( !g.okHistory ){
    if( zNew==0 ){
      @ <p>Deleted %h(zName)</p>
    }else if( zOld==0 ){
      @ <p>Added %h(zName)</p>
    }else if( zOldName!=0 && fossil_strcmp(zName,zOldName)!=0 ){
      @ <p>Name change from %h(zOldName) to %h(zName)
    }else if( fossil_strcmp(zNew, zOld)==0 ){
      @ <p>Execute permission %s(mperm?"set":"cleared") for %h(zName)</p>
    }else{
      @ <p>Changes to %h(zName)</p>
    }
    if( showDiff ){
      @ <blockquote><pre>
................................................................................
    }
  }else{
    if( zOld && zNew ){
      if( fossil_strcmp(zOld, zNew)!=0 ){
        @ <p>Modified <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
        @ from <a href="%s(g.zTop)/artifact/%s(zOld)">[%S(zOld)]</a>
        @ to <a href="%s(g.zTop)/artifact/%s(zNew)">[%S(zNew)].</a>
      }else if( zOldName!=0 && fossil_strcmp(zName,zOldName)!=0 ){
        @ <p>Name change from
        @ from <a href="%s(g.zTop)/finfo?name=%T(zOldName)">%h(zOldName)</a>
        @ to <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>.
      }else{
        @ <p>Execute permission %s(mperm?"set":"cleared") for
        @ <a href="%s(g.zTop)/finfo?name=%T(zName)">%h(zName)</a>
      }
    }else if( zOld ){
      @ <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>
................................................................................
      @ <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>
  }
}

................................................................................
      }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,"
       "       (SELECT uuid FROM blob WHERE rid=mlink.pid),"
       "       (SELECT uuid FROM blob WHERE rid=mlink.fid),"
       "       (SELECT name FROM filename WHERE filename.fnid=mlink.pfnid)"
       "  FROM mlink JOIN filename ON filename.fnid=mlink.fnid"
       " WHERE mlink.mid=%d"
       " ORDER BY name",
       rid
    );
    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();
}

/*
................................................................................
    }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);

Changes to src/manifest.c. 

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      if( pParentFile->zUuid ) continue;
      pChildFile = manifest_file_seek(pChild, pParentFile->zName);
      if( pChildFile ){
        add_one_mlink(cid, 0, pChildFile->zUuid, pChildFile->zName, 0,
                      isPublic, manifest_file_mperm(pChildFile));
      }
    }
  }else if( pChild->zBaseline==0 ){
    /* Parent is a delta but pChild is a baseline.  Look for files that are
    ** present in pParent but which are missing from pChild and mark them
    ** has having been deleted. */
    manifest_file_rewind(pParent);
    while( (pParentFile = manifest_file_next(pParent,0))!=0 ){
      pChildFile = manifest_file_seek(pChild, pParentFile->zName);
      if( pChildFile==0 && pParentFile->zUuid!=0 ){








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      if( pParentFile->zUuid ) continue;
      pChildFile = manifest_file_seek(pChild, pParentFile->zName);
      if( pChildFile ){
        add_one_mlink(cid, 0, pChildFile->zUuid, pChildFile->zName, 0,
                      isPublic, manifest_file_mperm(pChildFile));
      }
    }
  }else if( pChild->zBaseline==0 && pParent->zBaseline!=0 ){
    /* Parent is a delta but pChild is a baseline.  Look for files that are
    ** present in pParent but which are missing from pChild and mark them
    ** has having been deleted. */
    manifest_file_rewind(pParent);
    while( (pParentFile = manifest_file_next(pParent,0))!=0 ){
      pChildFile = manifest_file_seek(pChild, pParentFile->zName);
      if( pChildFile==0 && pParentFile->zUuid!=0 ){

Changes to src/update.c. 

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    db_end_transaction(0);
  }
}

/*
** Make sure empty directories are created
*/
void ensure_empty_dirs_created()
{
  /* Make empty directories? */
  char *zEmptyDirs = db_get_versionable_setting("empty-dirs", 0);
  if( zEmptyDirs!=0 ){


    Blob dirsList;

    blob_zero(&dirsList);
    blob_init(&dirsList, zEmptyDirs, strlen(zEmptyDirs));
    /* Replace commas by spaces */
    char *bc = blob_str(&dirsList);
    while( (*bc)!='\0' ){
      if( (*bc)==',' ) { *bc = ' '; }
      ++bc;
    }
    /* Make directories */
    Blob dirName;
    blob_zero(&dirName);
    while( blob_token(&dirsList, &dirName) ){
      const char *zDir = blob_str(&dirName);
      /* Make full pathname of the directory */
      Blob path;


      blob_zero(&path);
      blob_appendf(&path, "%s/%s", g.zLocalRoot, zDir);
      const char *zPath = blob_str(&path);      
      /* Handle various cases of existence of the directory */
      switch( file_isdir(zPath) ){
        case 0: { /* doesn't exist */
          if( file_mkdir(zPath, 0)!=0 ) {
            fossil_warning("couldn't create directory %s as required by empty-dirs setting", zDir);

          }          
          break;
        }
        case 1: { /* exists, and is a directory */
          /* do nothing - required directory exists already */
          break;
        }
        case 2: { /* exists, but isn't a directory */
          fossil_warning("file %s found, but a directory is required by empty-dirs setting", zDir);          

        }
      }
      blob_reset(&path);
    }
  }
}









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    db_end_transaction(0);
  }
}

/*
** Make sure empty directories are created
*/
void ensure_empty_dirs_created(void){

  /* Make empty directories? */
  char *zEmptyDirs = db_get_versionable_setting("empty-dirs", 0);
  if( zEmptyDirs!=0 ){
    char *bc;
    Blob dirName;
    Blob dirsList;

    blob_zero(&dirsList);
    blob_init(&dirsList, zEmptyDirs, strlen(zEmptyDirs));
    /* Replace commas by spaces */
    bc = blob_str(&dirsList);
    while( (*bc)!='\0' ){
      if( (*bc)==',' ) { *bc = ' '; }
      ++bc;
    }
    /* Make directories */

    blob_zero(&dirName);
    while( blob_token(&dirsList, &dirName) ){
      const char *zDir = blob_str(&dirName);
      /* Make full pathname of the directory */
      Blob path;
      const char *zPath;

      blob_zero(&path);
      blob_appendf(&path, "%s/%s", g.zLocalRoot, zDir);
      zPath = blob_str(&path);      
      /* Handle various cases of existence of the directory */
      switch( file_isdir(zPath) ){
        case 0: { /* doesn't exist */
          if( file_mkdir(zPath, 0)!=0 ) {
            fossil_warning("couldn't create directory %s as "
                           "required by empty-dirs setting", zDir);
          }          
          break;
        }
        case 1: { /* exists, and is a directory */
          /* do nothing - required directory exists already */
          break;
        }
        case 2: { /* exists, but isn't a directory */
          fossil_warning("file %s found, but a directory is required "
                         "by empty-dirs setting", zDir);          
        }
      }
      blob_reset(&path);
    }
  }
}

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