add.c

subversion-1.4.3-1.tar.gz 配置svn的源码

/*
 * add.c:  wrappers around wc add/mkdir functionality.
 *
 * ====================================================================
 * Copyright (c) 2000-2004 CollabNet.  All rights reserved.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.  The terms
 * are also available at http://subversion.tigris.org/license-1.html.
 * If newer versions of this license are posted there, you may use a
 * newer version instead, at your option.
 *
 * This software consists of voluntary contributions made by many
 * individuals.  For exact contribution history, see the revision
 * history and logs, available at http://subversion.tigris.org/.
 * ====================================================================
 */

/* ==================================================================== */



/*** Includes. ***/

#include <string.h>
#include <apr_lib.h>
#include <apr_fnmatch.h>
#include "svn_wc.h"
#include "svn_client.h"
#include "svn_string.h"
#include "svn_pools.h"
#include "svn_error.h"
#include "svn_path.h"
#include "svn_io.h"
#include "svn_config.h"
#include "svn_props.h"
#include "client.h"

#include "svn_private_config.h"



/*** Code. ***/

/* This structure is used as baton for enumerating the config entries
   in the auto-props section.
*/
typedef struct
{
  /* the file name for which properties are searched */
  const char *filename;

  /* when this flag is set the hash contains svn:executable */
  svn_boolean_t have_executable;

  /* when mimetype is not NULL is set the hash contains svn:mime-type */
  const char *mimetype;

  /* the hash table for storing the property name/value pairs */
  apr_hash_t *properties;

  /* a pool used for allocating memory */
  apr_pool_t *pool;
} auto_props_baton_t;

/* Remove leading and trailing white space from a C string, in place. */
static void
trim_string(char **pstr)
{
  char *str = *pstr;
  int i;

  while (apr_isspace(*str))
    str++;
  *pstr = str;
  i = strlen(str);
  while ((i > 0) && apr_isspace(str[i-1]))
    i--;
  str[i] = '\0';
}

/* For one auto-props config entry (NAME, VALUE), if the filename pattern
   NAME matches BATON->filename then add the properties listed in VALUE
   into BATON->properties.  BATON must point to an auto_props_baton_t.
*/
static svn_boolean_t
auto_props_enumerator(const char *name,
                      const char *value,
                      void *baton,
                      apr_pool_t *pool)
{
  auto_props_baton_t *autoprops = baton;
  char *property;
  char *last_token;

  /* nothing to do here without a value */
  if (strlen(value) == 0)
    return TRUE;

  /* check if filename matches and return if it doesn't */
  if (apr_fnmatch(name, autoprops->filename, 0) == APR_FNM_NOMATCH)
    return TRUE;
  
  /* parse the value (we dup it first to effectively lose the
     'const', and to avoid messing up the original value) */
  property = apr_pstrdup(autoprops->pool, value);
  property = apr_strtok(property, ";", &last_token);
  while (property)
    {
      int len;
      const char *this_value;
      char *equal_sign = strchr(property, '=');

      if (equal_sign)
        {
          *equal_sign = '\0';
          equal_sign++;
          trim_string(&equal_sign);
          this_value = equal_sign;
        }
      else
        {
          this_value = "";
        }
      trim_string(&property);
      len = strlen(property);
      if (len > 0)
        {
          svn_string_t *propval = svn_string_create(this_value,
                                                    autoprops->pool);

          apr_hash_set(autoprops->properties, property, len, propval);
          if (strcmp(property, SVN_PROP_MIME_TYPE) == 0)
            autoprops->mimetype = this_value;
          else if (strcmp(property, SVN_PROP_EXECUTABLE) == 0)
            autoprops->have_executable = TRUE;
        }
      property = apr_strtok(NULL, ";", &last_token);
    }
  return TRUE;
}

svn_error_t *
svn_client__get_auto_props(apr_hash_t **properties,
                           const char **mimetype,
                           const char *path,
                           svn_client_ctx_t *ctx,
                           apr_pool_t *pool)
{
  svn_config_t *cfg;
  svn_boolean_t use_autoprops;
  auto_props_baton_t autoprops;

  /* initialisation */
  autoprops.properties = apr_hash_make(pool);
  autoprops.filename = svn_path_basename(path, pool);
  autoprops.pool = pool;
  autoprops.mimetype = NULL;
  autoprops.have_executable = FALSE;
  *properties = autoprops.properties;

  cfg = ctx->config ? apr_hash_get(ctx->config, SVN_CONFIG_CATEGORY_CONFIG,
                                   APR_HASH_KEY_STRING) : NULL;

  /* check that auto props is enabled */
  SVN_ERR(svn_config_get_bool(cfg, &use_autoprops,
                              SVN_CONFIG_SECTION_MISCELLANY,
                              SVN_CONFIG_OPTION_ENABLE_AUTO_PROPS, FALSE));

  /* search for auto props */
  if (use_autoprops)
    svn_config_enumerate2(cfg, SVN_CONFIG_SECTION_AUTO_PROPS,
                          auto_props_enumerator, &autoprops, pool);

  /* if mimetype has not been set check the file */
  if (! autoprops.mimetype)
    {
      SVN_ERR(svn_io_detect_mimetype(&autoprops.mimetype, path, pool));
      if (autoprops.mimetype)
        apr_hash_set(autoprops.properties, SVN_PROP_MIME_TYPE,
                     strlen(SVN_PROP_MIME_TYPE), 
                     svn_string_create(autoprops.mimetype, pool));
    }

  /* Don't automatically set the svn:executable property on added items
   * on OS400.  While OS400 supports the executable permission its use is
   * inconsistent at best. */
#ifndef AS400
  /* if executable has not been set check the file */
  if (! autoprops.have_executable)
    {
      svn_boolean_t executable = FALSE;
      SVN_ERR(svn_io_is_file_executable(&executable, path, pool));
      if (executable)
        apr_hash_set(autoprops.properties, SVN_PROP_EXECUTABLE,
                     strlen(SVN_PROP_EXECUTABLE), 
                     svn_string_create("", pool));
    }
#endif

  *mimetype = autoprops.mimetype;
  return SVN_NO_ERROR;
}

static svn_error_t *
add_file(const char *path,
         svn_client_ctx_t *ctx,
         svn_wc_adm_access_t *adm_access,
         apr_pool_t *pool)
{
  apr_hash_t* properties;
  apr_hash_index_t *hi;
  const char *mimetype;
  svn_node_kind_t kind;
  svn_boolean_t is_special;

  /* add the file */
  SVN_ERR(svn_wc_add2(path, adm_access, NULL, SVN_INVALID_REVNUM,
                      ctx->cancel_func, ctx->cancel_baton,
                      NULL, NULL, pool));

  /* Check to see if this is a special file. */
  SVN_ERR(svn_io_check_special_path(path, &kind, &is_special, pool));

  if (is_special)
    {
      /* This must be a special file. */
      SVN_ERR(svn_wc_prop_set2
              (SVN_PROP_SPECIAL,
               svn_string_create(SVN_PROP_SPECIAL_VALUE, pool),
               path, adm_access, FALSE, pool));
      mimetype = NULL;
    }
  else
    {
      /* get automatic properties */
      SVN_ERR(svn_client__get_auto_props(&properties, &mimetype, path, ctx,
                                         pool));
      if (properties)
        {
          /* loop through the hashtable and add the properties */
          for (hi = apr_hash_first(pool, properties);
               hi != NULL; hi = apr_hash_next(hi))
            {
              const void *pname;
              void *pval;
          
              apr_hash_this(hi, &pname, NULL, &pval);
              /* It's probably best to pass 0 for force, so that if
                 the autoprops say to set some weird combination,
                 we just error and let the user sort it out. */
              SVN_ERR(svn_wc_prop_set2(pname, pval, path,
                                       adm_access, FALSE, pool));
            }
        }
    }

  /* Report the addition to the caller. */
  if (ctx->notify_func2 != NULL)
    {
      svn_wc_notify_t *notify = svn_wc_create_notify(path, svn_wc_notify_add,
                                                     pool);
      notify->kind = svn_node_file;
      notify->mime_type = mimetype;
      (*ctx->notify_func2)(ctx->notify_baton2, notify, pool);
    }

  return SVN_NO_ERROR;
}

/* Schedule directory DIRNAME recursively for addition with access baton 
 * ADM_ACCESS.
 *
 * If DIRNAME (or any item below directory DIRNAME) is already scheduled for
 * addition, add will fail and return an error unless FORCE is TRUE.
 *
 * Files and directories that match ignore patterns will not be added unless 
 * NO_IGNORE is TRUE.
 *
 * If CTX->CANCEL_FUNC is non-null, call it with CTX->CANCEL_BATON to allow 
 * the user to cancel the operation
 */
static svn_error_t *
add_dir_recursive(const char *dirname,
                  svn_wc_adm_access_t *adm_access,
                  svn_boolean_t force,
                  svn_boolean_t no_ignore,
                  svn_client_ctx_t *ctx,
                  apr_pool_t *pool)
{
  apr_dir_t *dir;
  apr_finfo_t this_entry;
  svn_error_t *err;
  apr_pool_t *subpool;
  apr_int32_t flags = APR_FINFO_TYPE | APR_FINFO_NAME;
  svn_wc_adm_access_t *dir_access;
  apr_array_header_t *ignores;

  /* Check cancellation; note that this catches recursive calls too. */
  if (ctx->cancel_func)
    SVN_ERR(ctx->cancel_func(ctx->cancel_baton));

  /* Add this directory to revision control. */
  err = svn_wc_add2(dirname, adm_access,
                    NULL, SVN_INVALID_REVNUM,
                    ctx->cancel_func, ctx->cancel_baton,
                    ctx->notify_func2, ctx->notify_baton2, pool);
  if (err && err->apr_err == SVN_ERR_ENTRY_EXISTS && force)
    svn_error_clear(err);
  else if (err)
    return err;

  SVN_ERR(svn_wc_adm_retrieve(&dir_access, adm_access, dirname, pool));

  if (!no_ignore)
    SVN_ERR(svn_wc_get_ignores(&ignores, ctx->config, dir_access, pool));

  /* Create a subpool for iterative memory control. */
  subpool = svn_pool_create(pool);

  /* Read the directory entries one by one and add those things to
     revision control. */
  SVN_ERR(svn_io_dir_open(&dir, dirname, pool));
  for (err = svn_io_dir_read(&this_entry, flags, dir, subpool);
       err == SVN_NO_ERROR;
       err = svn_io_dir_read(&this_entry, flags, dir, subpool))
    {
      const char *fullpath;

      /* Skip entries for this dir and its parent.  */
      if (this_entry.name[0] == '.'
          && (this_entry.name[1] == '\0'
              || (this_entry.name[1] == '.' && this_entry.name[2] == '\0')))
        continue;

      /* Check cancellation so you can cancel during an 
       * add of a directory with lots of files. */
      if (ctx->cancel_func)
        SVN_ERR(ctx->cancel_func(ctx->cancel_baton));

      /* Skip over SVN admin directories. */
      if (svn_wc_is_adm_dir(this_entry.name, subpool))
        continue;