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Re: CVS update: MODIFIED: client ...

From: Kevin Pilch-Bisson <kevin_at_pilch-bisson.net>
Date: 2001-05-16 21:32:37 CEST

What does this function offer that svn_path_condense doesn't, except for
preserving order? Why does order need to be preserved? Maybe
svn_path_condense_targets should be modified instead?

On Wed, May 16, 2001 at 06:58:31PM -0000, cmpilato@tigris.org wrote:
> User: cmpilato
> Date: 01/05/16 11:58:31
>
> Modified: subversion/client update-cmd.c
> Log:
> Resolution for IssueZilla issue #386
>
> * include/svn_path.h
> * include/target.c
>
> (svn_path_remove_redundancies): New function.
>
> * client/update-cmd.c
>
> (svn_cl__update): Remove redundancies from the target list,
> preserving the order of those targets, using new
> svn_path_remove_redundancies function.
>
> Revision Changes Path
> 1.35 +12 -0 subversion/subversion/include/svn_path.h
>
> http://subversion.tigris.org/source/browse/subversion/subversion/include/svn_path.h.diff?r1=1.34&r2=1.35
>
> (In the diff below, changes in quantity of whitespace are not shown.)
>
> Index: svn_path.h
> ===================================================================
> RCS file: /usr/local/tigris/data/helm/cvs/repository/subversion/subversion/include/svn_path.h,v
> retrieving revision 1.34
> retrieving revision 1.35
> diff -u -b -r1.34 -r1.35
> --- svn_path.h 2001/05/11 02:59:26 1.34
> +++ svn_path.h 2001/05/16 18:58:30 1.35
> @@ -181,6 +181,18 @@
> const apr_array_header_t *targets,
> apr_pool_t *pool);
>
> +
> +/* Copy a list of TARGETS, one at a time, into PCONDENSED_TARGETS,
> + omitting any targets that are found earlier in the list, or whose
> + ancestor is found earlier in the list. Ordering of targets in the
> + original list is preserved in the condensed list of targets. Use
> + POOL for any allocations. */
> +svn_error_t *
> +svn_path_remove_redundancies (apr_array_header_t **pcondensed_targets,
> + const apr_array_header_t *targets,
> + apr_pool_t *pool);
> +
> +
> /* Decompose PATH into an array of svn_string_t components, allocated
> in POOL. STYLE indicates the dir separator to split the string on.
> If PATH is absolute, the first component will be a lone dir
>
>
>
> 1.7 +93 -0 subversion/subversion/libsvn_subr/target.c
>
> http://subversion.tigris.org/source/browse/subversion/subversion/libsvn_subr/target.c.diff?r1=1.6&r2=1.7
>
> (In the diff below, changes in quantity of whitespace are not shown.)
>
> Index: target.c
> ===================================================================
> RCS file: /usr/local/tigris/data/helm/cvs/repository/subversion/subversion/libsvn_subr/target.c,v
> retrieving revision 1.6
> retrieving revision 1.7
> diff -u -b -r1.6 -r1.7
> --- target.c 2001/05/11 03:21:51 1.6
> +++ target.c 2001/05/16 18:58:31 1.7
> @@ -252,6 +252,99 @@
> return SVN_NO_ERROR;
> }
>
> +
> +svn_error_t *
> +svn_path_remove_redundancies (apr_array_header_t **pcondensed_targets,
> + const apr_array_header_t *targets,
> + apr_pool_t *pool)
> +{
> + apr_pool_t *temp_pool;
> + apr_array_header_t *abs_targets;
> + apr_array_header_t *rel_targets;
> + int i;
> +
> + if ((targets->nelts <= 0) || (! pcondensed_targets))
> + {
> + /* No targets or no place to store our work means this function
> + really has nothing to do. */
> + if (pcondensed_targets)
> + *pcondensed_targets = NULL;
> + return SVN_NO_ERROR;
> + }
> +
> + /* Initialize our temporary pool. */
> + temp_pool = svn_pool_create (pool);
> +
> + /* Create our list of absolute paths for our "keepers" */
> + abs_targets = apr_array_make (temp_pool, targets->nelts,
> + sizeof (svn_string_t *));
> +
> + /* Create our list of untainted paths for our "keepers" */
> + rel_targets = apr_array_make (pool, targets->nelts,
> + sizeof (svn_string_t *));
> +
> + /* For each target in our list we do the following:
> +
> + 1. Calculate its absolute path (ABS_PATH).
> + 2. See if any of the keepers in ABS_TARGETS is a parent of, or
> + is the same path as, ABS_PATH. If so, we ignore this
> + target. If not, however, add this target's absolute path to
> + ABS_TARGETS and its original path to REL_TARGETS.
> + */
> + for (i = 0; i < targets->nelts; i++)
> + {
> + svn_string_t *rel_path = ((svn_string_t **)targets->elts)[i];
> + svn_string_t *abs_path;
> + int j;
> + svn_boolean_t keep_me;
> +
> + /* Get the absolute path for this target. */
> + SVN_ERR (svn_path_get_absolute (&abs_path, rel_path, temp_pool));
> +
> + /* For each keeper in ABS_TARGETS, see if this target is the
> + same as or a child of that keeper. */
> + keep_me = TRUE;
> + for (j = 0; j < abs_targets->nelts; j++)
> + {
> + svn_string_t *keeper = ((svn_string_t **)abs_targets->elts)[j];
> +
> + /* Quit here if we find this path already in the keepers. */
> + if (svn_string_compare (keeper, abs_path))
> + {
> + keep_me = FALSE;
> + break;
> + }
> +
> + /* Quit here if this path is a child of one of the keepers. */
> + if (svn_path_is_child (keeper, abs_path, temp_pool))
> + {
> + keep_me = FALSE;
> + break;
> + }
> + }
> +
> + /* If this is a new keeper, add its absolute path to ABS_TARGETS
> + and its original path to REL_TARGETS. */
> + if (keep_me)
> + {
> + (* ((svn_string_t **) apr_array_push (abs_targets))) = abs_path;
> + (* ((svn_string_t **) apr_array_push (rel_targets))) = rel_path;
> + }
> + }
> +
> + /* Destroy our temporary pool. */
> + svn_pool_destroy (temp_pool);
> +
> + /* Make sure we return the list of untainted keeper paths. */
> + *pcondensed_targets = rel_targets;
> +
> + return SVN_NO_ERROR;
> +}
> +
> +
> +
> +
> +
>
> /*
> * local variables:
>
>
>
> 1.19 +8 -2 subversion/subversion/client/update-cmd.c
>
> http://subversion.tigris.org/source/browse/subversion/subversion/client/update-cmd.c.diff?r1=1.18&r2=1.19
>
> (In the diff below, changes in quantity of whitespace are not shown.)
>
> Index: update-cmd.c
> ===================================================================
> RCS file: /usr/local/tigris/data/helm/cvs/repository/subversion/subversion/client/update-cmd.c,v
> retrieving revision 1.18
> retrieving revision 1.19
> diff -u -b -r1.18 -r1.19
> --- update-cmd.c 2001/05/09 19:22:15 1.18
> +++ update-cmd.c 2001/05/16 18:58:31 1.19
> @@ -35,6 +35,7 @@
> apr_pool_t *pool)
> {
> apr_array_header_t *targets;
> + apr_array_header_t *condensed_targets;
> int i;
>
> targets = svn_cl__args_to_target_array (os, pool);
> @@ -42,9 +43,14 @@
> /* Add "." if user passed 0 arguments */
> svn_cl__push_implicit_dot_target(targets, pool);
>
> - for (i = 0; i < targets->nelts; i++)
> + /* Remove redundancies from the target list while preserving order. */
> + SVN_ERR (svn_path_remove_redundancies (&condensed_targets,
> + targets,
> + pool));
> +
> + for (i = 0; i < condensed_targets->nelts; i++)
> {
> - svn_string_t *target = ((svn_string_t **) (targets->elts))[i];
> + svn_string_t *target = ((svn_string_t **) (condensed_targets->elts))[i];
> const svn_delta_edit_fns_t *trace_editor;
> void *trace_edit_baton;
> svn_string_t *parent_dir, *entry;
>
>
>
>
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-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Kevin Pilch-Bisson                    http://www.pilch-bisson.net
     "Historically speaking, the presences of wheels in Unix
     has never precluded their reinvention." - Larry Wall
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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