blob: ca82e796439e68d85e4d0f3118fcd0c167012d7b [file] [log] [blame]
/*
* mergeinfo-normalizer.h: tool-global functions and structures.
*
* ====================================================================
* 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.
* ====================================================================
*/
/* ==================================================================== */
#ifndef SVN_MERGEINFO_NORMALIZER_H
#define SVN_MERGEINFO_NORMALIZER_H
/*** Includes. ***/
#include <apr_tables.h>
#include <apr_getopt.h>
#include "svn_client.h"
#include "svn_opt.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*** Command dispatch. ***/
/* Hold results of option processing that are shared by multiple
commands. */
typedef struct svn_min__opt_state_t
{
/* After option processing is done, reflects the switch actually
given on the command line, or svn_depth_unknown if none. */
svn_depth_t depth;
svn_boolean_t quiet; /* sssh...avoid unnecessary output */
svn_boolean_t version; /* print version information */
svn_boolean_t verbose; /* be verbose */
svn_boolean_t help; /* print usage message */
const char *auth_username; /* auth username */
const char *auth_password; /* auth password */
apr_array_header_t *targets;
svn_boolean_t no_auth_cache; /* do not cache authentication information */
svn_boolean_t dry_run; /* try operation but make no changes */
const char *config_dir; /* over-riding configuration directory */
apr_array_header_t *config_options; /* over-riding configuration options */
svn_stringbuf_t *filedata; /* contents read from --file argument */
/* Selected normalization operations. */
svn_boolean_t remove_obsoletes;
svn_boolean_t combine_ranges;
svn_boolean_t remove_redundants;
svn_boolean_t remove_redundant_misaligned;
svn_boolean_t run_analysis;
/* trust server SSL certs that would otherwise be rejected as "untrusted" */
svn_boolean_t trust_server_cert_unknown_ca;
svn_boolean_t trust_server_cert_cn_mismatch;
svn_boolean_t trust_server_cert_expired;
svn_boolean_t trust_server_cert_not_yet_valid;
svn_boolean_t trust_server_cert_other_failure;
svn_boolean_t allow_mixed_rev; /* Allow operation on mixed-revision WC */
svn_boolean_t non_interactive;
} svn_min__opt_state_t;
/* Opaque structure allowing to check efficiently whether a given path
* exists in the repository @HEAD. */
typedef struct svn_min__branch_lookup_t svn_min__branch_lookup_t;
/* Type of the baton passed to any of our sub-commands. */
typedef struct svn_min__cmd_baton_t
{
/* Preprocessed line options. */
svn_min__opt_state_t *opt_state;
/* Client context. */
svn_client_ctx_t *ctx;
/* Base path of the directory tree currently being processed. */
const char *local_abspath;
/* Working copy root path of LOCAL_ABSPATH. */
const char *wc_root;
/* Root of the corresponding working copy. */
const char *repo_root;
/* If the sub-command, e.g. the local lookup only 'remove-branches',
* needs a specific repository lookup data structure, set it here.
* If this is NULL, the sub-command will use remove lookup to REPO_ROOT. */
svn_min__branch_lookup_t *lookup;
} svn_min__cmd_baton_t;
/* Declare all the command procedures */
svn_opt_subcommand_t
svn_min__help,
svn_min__normalize,
svn_min__analyze,
svn_min__remove_branches;
/* See definition in svn.c for documentation. */
extern const svn_opt_subcommand_desc2_t svn_min__cmd_table[];
/* See definition in svn.c for documentation. */
extern const int svn_min__global_options[];
/* See definition in svn.c for documentation. */
extern const apr_getopt_option_t svn_min__options[];
/* Our cancellation callback. */
svn_error_t *
svn_min__check_cancel(void *baton);
/*** Internal API linking the various modules. ***/
/* Scan the working copy sub-tree specified in BATON for mergeinfo and
* return them in *RESULT, allocated in RESULT_POOL. The element type is
* opaque. Use SCRATCH_POOL for temporary allocations. */
svn_error_t *
svn_min__read_mergeinfo(apr_array_header_t **result,
svn_min__cmd_baton_t *baton,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* For the MERGEINFO as returned by svn_min__read_mergeinfo() return the
* FS path that is parent to the working copy and all branches mentioned
* in the mergeinfo. Allocate the return value in RESULT_POOL and use
* SCRATCH_POOL for temporaries. */
const char *
svn_min__common_parent(apr_array_header_t *mergeinfo,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* Return the mergeinfo at index IDX in MERGEINFO.
* IDX must be 0 .. MERGEINFO->NELTS-1. */
svn_mergeinfo_t
svn_min__get_mergeinfo(apr_array_header_t *mergeinfo,
int idx);
/* Return the full info on the mergeinfo at IDX in MERGEINFO. Set *FS_PATH
* to the FS path of the respective working copy node, *SUBTREE_RELPATH to
* its local absolute path and *PARENT_PATH to the local absolute path of
* the working copy node that carries the closest parent mergeinfo.
* return the working. Set *SUBTREE_MERGEINFO to the parsed mergeinfo at
* *SUBTREE_RELPATH and *PARENT_MERGEINFO to the parsed mergeinfo at
* *PARENT_PATH.
*
* If there is no parent mergeinfo, *PARENT_PATH will be "" and
* *PARENT_MERGEINFO will be NULL. If IDX is not a valid array index,
* "" will be returned for all paths and all mergeinfo will be NULL.
*
* Note that the returned data is shared with MERGEINFO and has the same
* lifetime. It is perfectly legal to modify the svn_mergeinfo_t hashes
* and store the result using svn_min__write_mergeinfo. */
void
svn_min__get_mergeinfo_pair(const char **fs_path,
const char **parent_path,
const char **subtree_relpath,
svn_mergeinfo_t *parent_mergeinfo,
svn_mergeinfo_t *subtree_mergeinfo,
apr_array_header_t *mergeinfo,
int idx);
/* Store the MERGEINFO in the working copy specified by BATON. Delete
* the mergeinfo on those nodes where it is empty but keep the empty data
* in MERGEINFO. Use SCRATCH_POOL for temporary allocations. */
svn_error_t *
svn_min__write_mergeinfo(svn_min__cmd_baton_t *baton,
apr_array_header_t *mergeinfo,
apr_pool_t *scratch_pool);
/* Remove entries with empty mergeinfo from MERGEINFO. */
svn_error_t *
svn_min__remove_empty_mergeinfo(apr_array_header_t *mergeinfo);
/* Print statistics for WC_MERGEINFO to console. Use SCRATCH_POOL for
* temporaries. */
svn_error_t *
svn_min__print_mergeinfo_stats(apr_array_header_t *wc_mergeinfo,
apr_pool_t *scratch_pool);
/* Opaque data structure containing the log / history downloaded from the
* repository. */
typedef struct svn_min__log_t svn_min__log_t;
/* Data structure describing a copy operation as part of svn_min__log_t. */
typedef struct svn_min__copy_t
{
/* Copy target FS path. */
const char *path;
/* Copy target revision. */
svn_revnum_t revision;
/* Copy source FS path. */
const char *copyfrom_path;
/* Copy source revision. */
svn_revnum_t copyfrom_revision;
} svn_min__copy_t;
/* Fetch the full *LOG for the given URL using the context in BATON.
* Allocate *LOG in RESULT_POOL and use SCRATCH_POOL for temporaries. */
svn_error_t *
svn_min__log(svn_min__log_t **log,
const char *url,
svn_min__cmd_baton_t *baton,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* Scan LOG and determine what revisions in RANGES actually operate on PATH
* or its sub-nodes. Return those revisions, allocated in RESULT_POOL.
* Note that parent path changes don't count as operative within PATH. */
svn_rangelist_t *
svn_min__operative(svn_min__log_t *log,
const char *path,
svn_rangelist_t *ranges,
apr_pool_t *result_pool);
/* Scan LOG and determine what revisions in RANGES are operative on PATH
* but outside SUBTREE (possibly but not exclusively modifying paths within
* SUBTREE). Return those revisions, allocated in RESULT_POOL. */
svn_rangelist_t *
svn_min__operative_outside_subtree(svn_min__log_t *log,
const char *path,
const char *subtree,
svn_rangelist_t *ranges,
apr_pool_t *result_pool);
/* Scan LOG from START_REV down to END_REV and find the latest deletion of
* PATH or a parent thereof and return the revision that contains the
* deletion. Return SVN_INVALID_REVNUM if no such deletion could be found.
* Use SCRATCH_POOL for temporaries. */
svn_revnum_t
svn_min__find_deletion(svn_min__log_t *log,
const char *path,
svn_revnum_t start_rev,
svn_revnum_t end_rev,
apr_pool_t *scratch_pool);
/* Scan LOG for deletions of PATH or any of its parents. Return an array,
* allocated in RESULT_POOL, containing all svn_revnum_t that contain such
* deletions in ascending order. Use SCRATCH_POOL for temporaries. */
apr_array_header_t *
svn_min__find_deletions(svn_min__log_t *log,
const char *path,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* Scan LOG for the latest copy of PATH or any of its parents no later than
* START_REV and no earlier than END_REV. Return SVN_INVALID_REVNUM if no
* such revision exists. Use SCRATCH_POOL for temporaries. */
svn_revnum_t
svn_min__find_copy(svn_min__log_t *log,
const char *path,
svn_revnum_t start_rev,
svn_revnum_t end_rev,
apr_pool_t *scratch_pool);
/* Scan LOG for copies of PATH, any of its parents or sub-nodes made from
* revisions no later than START_REV and no earlier than END_REV. Return
* those copies as svn_min__copy_t* in an array allocated in RESULT_POOL.
* The copy objects themselves are shared with LOG. Use SCRATCH_POOL
* for temporary allocations. */
apr_array_header_t *
svn_min__get_copies(svn_min__log_t *log,
const char *path,
svn_revnum_t start_rev,
svn_revnum_t end_rev,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* Return the opaque history object for PATH, starting at START_REV and
* going back to its initial creation or END_REV - whichever is latest.
*
* The history is a sequence of segments, each describing that the node
* existed at a given path for a given range of revisions. Between two
* segments, there must have been a copy operation.
*
* Allocate the result in RESULT_POOL and use SCRATCH_POOL for temporaries.
*/
apr_array_header_t *
svn_min__get_history(svn_min__log_t *log,
const char *path,
svn_revnum_t start_rev,
svn_revnum_t end_rev,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* Return the (potentially empty) parts of LHS and RHS where their history
* overlaps, i.e. those (partial) history segments where they have the same
* path for in the same revisions. Allocate the result in RESULT_POOL. */
apr_array_header_t *
svn_min__intersect_history(apr_array_header_t *lhs,
apr_array_header_t *rhs,
apr_pool_t *result_pool);
/* Return the revision ranges that are covered by the segments in HISTORY.
* Allocate the result in RESULT_POOL. */
svn_rangelist_t *
svn_min__history_ranges(apr_array_header_t *history,
apr_pool_t *result_pool);
/* Allocate a new path lookup object in RESULT_POOL and make it use SESSION
* for any future repository lookups. */
svn_min__branch_lookup_t *
svn_min__branch_lookup_create(svn_ra_session_t *session,
apr_pool_t *result_pool);
/* Allocate a new path lookup object in RESULT_POOL and set the list of
* missing paths to PATHS. This object will never contact the repository. */
svn_min__branch_lookup_t *
svn_min__branch_lookup_from_paths(apr_array_header_t *paths,
apr_pool_t *result_pool);
/* Set *DELETED to TRUE, if we can confirm using LOOKUP that BRANCH does
* not exist @HEAD. If LOCAL_ONLY is set or if LOOKUP has not been created
* with a repository session, base that judgement on information in LOOKUP
* alone and report FALSE for unknonw path. Otherwise contact the
* repository for unknown paths and store the result in LOOKUP.
* Use SCRATCH_POOL for temporary allocations. */
svn_error_t *
svn_min__branch_lookup(svn_boolean_t *deleted,
svn_min__branch_lookup_t *lookup,
const char *branch,
svn_boolean_t local_only,
apr_pool_t *scratch_pool);
/* Return an array of const char *, allocated in RESULT_POOL, of all deleted
* FS paths we encountered using LOOKUP. We only return the respective
* top-most missing paths - not any of their sub-nodes. Use SCRATCH_POOL
* for temporary allocations. */
apr_array_header_t *
svn_min__branch_deleted_list(svn_min__branch_lookup_t *lookup,
apr_pool_t *result_pool,
apr_pool_t *scratch_pool);
/* Run our common processing code shared between all sub-commands.
* Take the sub-command behaviour from the flags in BATON. */
svn_error_t *
svn_min__run_normalize(void *baton,
apr_pool_t *pool);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* SVN_MERGEINFO_NORMALIZER_H */