export.c

Go to the documentation of this file.

/************************************************************************
 * Copyright (C) 2006-2009 Philipp Marek.
 *
 * This program is free software;  you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 as
 * published by the Free Software Foundation.
 ************************************************************************/

#include <subversion-1/svn_delta.h>
#include <subversion-1/svn_ra.h>
#include <subversion-1/svn_error.h>

#include "export.h"
#include "helper.h"
#include "url.h"
#include "racallback.h"




svn_error_t *exp__invalid(const char *name)
{
    int status;

    STOPIF_CODE_ERR(1, EINVAL,
            "The function %s got called "
            "during an export operation;\n"
            "this call is unexpected and won't be handled.\n"
            "This should not happen.\n",
            name);
ex:
    RETURN_SVNERR(status);
}


svn_error_t *exp__delete(const char *path UNUSED,
        svn_revnum_t revision UNUSED,
        void *parent_baton UNUSED,
        apr_pool_t *pool UNUSED)
{
    return exp__invalid(__PRETTY_FUNCTION__);
}


svn_error_t *exp__open_dir(const char *path UNUSED,
        void *parent_baton UNUSED,
        svn_revnum_t base_revision UNUSED,
        apr_pool_t *dir_pool UNUSED,
        void **child_baton UNUSED)
{
    return exp__invalid(__PRETTY_FUNCTION__);
}


svn_error_t *exp__open_file(const char *path UNUSED,
        void *parent_baton UNUSED,
        svn_revnum_t base_revision UNUSED,
        apr_pool_t *file_pool UNUSED,
        void **file_baton UNUSED)
{
    return exp__invalid(__PRETTY_FUNCTION__);
}
const svn_delta_editor_t export_editor = 
{
    .set_target_revision    = up__set_target_revision,

    .open_root                      = up__open_root,

    .delete_entry                   = exp__delete,
    .add_directory              = up__add_directory,
    .open_directory             = exp__open_dir,
    .change_dir_prop            = up__change_dir_prop,
    .close_directory            = up__close_directory,
    .absent_directory       = up__absent_directory,

    .add_file                       = up__add_file,
    .open_file                      = exp__open_file,
    .apply_textdelta            = up__apply_textdelta,
    .change_file_prop       = up__change_file_prop,
    .close_file                     = up__close_file,
    .absent_file                    = up__absent_file,

    .close_edit                     = up__close_edit,
    .abort_edit                     = up__abort_edit,
};


int exp__do(struct estat *root, struct url_t *url)
{
    int status;
    svn_revnum_t rev;
    svn_error_t *status_svn;
    void *report_baton;
    const svn_ra_reporter2_t *reporter;


    status_svn=NULL;
    current_url=url;

    STOPIF( url__open_session(NULL, NULL), NULL);

    rev=url->target_rev;
    /* See the comment in update.c */
    STOPIF( url__canonical_rev(current_url, &rev), NULL);

    /* export files */
    STOPIF_SVNERR( svn_ra_do_update,
            (current_url->session,
             &reporter,
             &report_baton,
             opt_target_revision,
             "",
             TRUE,
             &export_editor,
             root,
             current_url->pool) );

    /* We always pretend to start empty. */
    STOPIF_SVNERR( reporter->set_path,
            (report_baton,
             "", rev, TRUE,
             NULL, current_url->pool));

    STOPIF_SVNERR( reporter->finish_report, 
            (report_baton, current_url->pool));


ex:
    STOP_HANDLE_SVNERR(status_svn);
ex2:
    return status;
}


int exp__work(struct estat *root, int argc, char *argv[])
{
    int status;
    struct url_t url;


    status=0;

    STOPIF_CODE_ERR(argc!=1, EINVAL,
            "1 parameter (URL) expected");

    STOPIF( url__parse(argv[0], &url, NULL), NULL);

    /* Initialize root structure */
    STOPIF( hlp__lstat(".", &root->st),
            "Cannot retrieve information about '.'");

    STOPIF( exp__do(root, &url), NULL);
    printf("Exported revision\t%ld.\n", target_revision);

    /* As this URL is not stored in the urllist array, it wouldn't get 
     * cleaned up. */
    STOPIF( url__close_session(&url), NULL);

ex:
    return status;
}

---