blob: 74d87dc2660cafb90a904696e1ce99e25348ab10 [file] [log] [blame]
/*
* null-blame-cmd.c -- Subversion export command
*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*/
/* ==================================================================== */
/*** Includes. ***/
#include "svn_client.h"
#include "svn_cmdline.h"
#include "svn_error.h"
#include "svn_dirent_uri.h"
#include "svn_path.h"
#include "svn_pools.h"
#include "svn_sorts.h"
#include "cl.h"
#include "svn_private_config.h"
#include "private/svn_string_private.h"
#include "private/svn_client_private.h"
struct file_rev_baton {
apr_int64_t byte_count;
apr_int64_t delta_count;
apr_int64_t rev_count;
};
/* Implements svn_txdelta_window_handler_t */
static svn_error_t *
delta_handler(svn_txdelta_window_t *window, void *baton)
{
struct file_rev_baton *frb = baton;
if (window != NULL)
frb->byte_count += window->tview_len;
return SVN_NO_ERROR;
}
/* Implementes svn_file_rev_handler_t */
static svn_error_t *
file_rev_handler(void *baton, const char *path, svn_revnum_t revnum,
apr_hash_t *rev_props,
svn_boolean_t merged_revision,
svn_txdelta_window_handler_t *content_delta_handler,
void **content_delta_baton,
apr_array_header_t *prop_diffs,
apr_pool_t *pool)
{
struct file_rev_baton *frb = baton;
frb->rev_count++;
if (content_delta_handler)
{
*content_delta_handler = delta_handler;
*content_delta_baton = baton;
frb->delta_count++;
}
return SVN_NO_ERROR;
}
static svn_error_t *
bench_null_blame(const char *target,
const svn_opt_revision_t *peg_revision,
const svn_opt_revision_t *start,
const svn_opt_revision_t *end,
svn_boolean_t include_merged_revisions,
svn_boolean_t quiet,
svn_client_ctx_t *ctx,
apr_pool_t *pool)
{
struct file_rev_baton frb = { 0, 0, 0};
svn_ra_session_t *ra_session;
svn_revnum_t start_revnum, end_revnum;
svn_boolean_t backwards;
const char *target_abspath_or_url;
if (start->kind == svn_opt_revision_unspecified
|| end->kind == svn_opt_revision_unspecified)
return svn_error_create
(SVN_ERR_CLIENT_BAD_REVISION, NULL, NULL);
if (svn_path_is_url(target))
target_abspath_or_url = target;
else
SVN_ERR(svn_dirent_get_absolute(&target_abspath_or_url, target, pool));
/* Get an RA plugin for this filesystem object. */
SVN_ERR(svn_client__ra_session_from_path2(&ra_session, NULL,
target, NULL, peg_revision,
peg_revision,
ctx, pool));
SVN_ERR(svn_client__get_revision_number(&start_revnum, NULL, ctx->wc_ctx,
target_abspath_or_url, ra_session,
start, pool));
SVN_ERR(svn_client__get_revision_number(&end_revnum, NULL, ctx->wc_ctx,
target_abspath_or_url, ra_session,
end, pool));
{
svn_client__pathrev_t *loc;
svn_opt_revision_t younger_end;
younger_end.kind = svn_opt_revision_number;
younger_end.value.number = MAX(start_revnum, end_revnum);
SVN_ERR(svn_client__resolve_rev_and_url(&loc, ra_session,
target, peg_revision,
&younger_end,
ctx, pool));
/* Make the session point to the real URL. */
SVN_ERR(svn_ra_reparent(ra_session, loc->url, pool));
}
backwards = (start_revnum > end_revnum);
/* Collect all blame information.
We need to ensure that we get one revision before the start_rev,
if available so that we can know what was actually changed in the start
revision. */
SVN_ERR(svn_ra_get_file_revs2(ra_session, "",
backwards ? start_revnum
: MAX(0, start_revnum-1),
end_revnum,
include_merged_revisions,
file_rev_handler, &frb, pool));
if (!quiet)
SVN_ERR(svn_cmdline_printf(pool,
_("%15s revisions\n"
"%15s deltas\n"
"%15s bytes in deltas\n"),
svn__ui64toa_sep(frb.rev_count, ',', pool),
svn__ui64toa_sep(frb.delta_count, ',', pool),
svn__ui64toa_sep(frb.byte_count, ',', pool)));
return SVN_NO_ERROR;
}
/* This implements the `svn_opt_subcommand_t' interface. */
svn_error_t *
svn_cl__null_blame(apr_getopt_t *os,
void *baton,
apr_pool_t *pool)
{
svn_cl__opt_state_t *opt_state = ((svn_cl__cmd_baton_t *) baton)->opt_state;
svn_client_ctx_t *ctx = ((svn_cl__cmd_baton_t *) baton)->ctx;
apr_pool_t *iterpool;
apr_array_header_t *targets;
int i;
svn_boolean_t end_revision_unspecified = FALSE;
svn_boolean_t seen_nonexistent_target = FALSE;
SVN_ERR(svn_cl__args_to_target_array_print_reserved(&targets, os,
opt_state->targets,
ctx, FALSE, pool));
/* Blame needs a file on which to operate. */
if (! targets->nelts)
return svn_error_create(SVN_ERR_CL_INSUFFICIENT_ARGS, 0, NULL);
if (opt_state->end_revision.kind == svn_opt_revision_unspecified)
{
if (opt_state->start_revision.kind != svn_opt_revision_unspecified)
{
/* In the case that -rX was specified, we actually want to set the
range to be -r1:X. */
opt_state->end_revision = opt_state->start_revision;
opt_state->start_revision.kind = svn_opt_revision_number;
opt_state->start_revision.value.number = 1;
}
else
end_revision_unspecified = TRUE;
}
if (opt_state->start_revision.kind == svn_opt_revision_unspecified)
{
opt_state->start_revision.kind = svn_opt_revision_number;
opt_state->start_revision.value.number = 1;
}
/* The final conclusion from issue #2431 is that blame info
is client output (unlike 'svn cat' which plainly cats the file),
so the EOL style should be the platform local one.
*/
iterpool = svn_pool_create(pool);
for (i = 0; i < targets->nelts; i++)
{
svn_error_t *err;
const char *target = APR_ARRAY_IDX(targets, i, const char *);
const char *parsed_path;
svn_opt_revision_t peg_revision;
svn_pool_clear(iterpool);
SVN_ERR(svn_cl__check_cancel(ctx->cancel_baton));
/* Check for a peg revision. */
SVN_ERR(svn_opt_parse_path(&peg_revision, &parsed_path, target,
iterpool));
if (end_revision_unspecified)
{
if (peg_revision.kind != svn_opt_revision_unspecified)
opt_state->end_revision = peg_revision;
else if (svn_path_is_url(target))
opt_state->end_revision.kind = svn_opt_revision_head;
else
opt_state->end_revision.kind = svn_opt_revision_working;
}
err = bench_null_blame(parsed_path,
&peg_revision,
&opt_state->start_revision,
&opt_state->end_revision,
opt_state->use_merge_history,
opt_state->quiet,
ctx,
iterpool);
if (err)
{
if (err->apr_err == SVN_ERR_WC_PATH_NOT_FOUND ||
err->apr_err == SVN_ERR_ENTRY_NOT_FOUND ||
err->apr_err == SVN_ERR_FS_NOT_FILE ||
err->apr_err == SVN_ERR_FS_NOT_FOUND)
{
svn_handle_warning2(stderr, err, "svn: ");
svn_error_clear(err);
err = NULL;
seen_nonexistent_target = TRUE;
}
else
{
return svn_error_trace(err);
}
}
}
svn_pool_destroy(iterpool);
if (seen_nonexistent_target)
return svn_error_create(
SVN_ERR_ILLEGAL_TARGET, NULL,
_("Could not perform blame on all targets because some "
"targets don't exist"));
else
return SVN_NO_ERROR;
}