root/test-svn-fe.c

DEFINITIONS

1. apply_delta
2. main

/*
 * test-svn-fe: Code to exercise the svn import lib
 */

#include "git-compat-util.h"
#include "vcs-svn/svndump.h"
#include "vcs-svn/svndiff.h"
#include "vcs-svn/sliding_window.h"
#include "vcs-svn/line_buffer.h"

static const char test_svnfe_usage[] =
        "test-svn-fe (<dumpfile> | [-d] <preimage> <delta> <len>)";

static int apply_delta(int argc, char *argv[])
{
        struct line_buffer preimage = LINE_BUFFER_INIT;
        struct line_buffer delta = LINE_BUFFER_INIT;
        struct sliding_view preimage_view = SLIDING_VIEW_INIT(&preimage, -1);

        if (argc != 5)
                usage(test_svnfe_usage);

        if (buffer_init(&preimage, argv[2]))
                die_errno("cannot open preimage");
        if (buffer_init(&delta, argv[3]))
                die_errno("cannot open delta");
        if (svndiff0_apply(&delta, (off_t) strtoumax(argv[4], NULL, 0),
                                        &preimage_view, stdout))
                return 1;
        if (buffer_deinit(&preimage))
                die_errno("cannot close preimage");
        if (buffer_deinit(&delta))
                die_errno("cannot close delta");
        strbuf_release(&preimage_view.buf);
        return 0;
}

int main(int argc, char *argv[])
{
        if (argc == 2) {
                if (svndump_init(argv[1]))
                        return 1;
                svndump_read(NULL, "refs/heads/master", "refs/notes/svn/revs");
                svndump_deinit();
                svndump_reset();
                return 0;
        }

        if (argc >= 2 && !strcmp(argv[1], "-d"))
                return apply_delta(argc, argv);
        usage(test_svnfe_usage);
}