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exchangev2: recognize narrow patterns when pulling...
exchangev2: recognize narrow patterns when pulling pulloperation instances were recently taught to record file include and exclude patterns to facilitate narrow file transfer. Teaching the exchangev2 code to transfer a subset of files is as simple as constructing a narrow matcher from these patterns and filtering all seen file paths through it. Keep in mind that this change only influences file data: we're still fetching all changeset and manifest data. So, there's still a ton of "partial clone" to implement in exchangev2. On a personal note, I derive gratification that this feature requires very few lines of new code to implement. To test this, we implemented a minimal extension which allows us to specify --include/--exclude to clone. While the narrow extension provides these arguments, I explicitly wanted to test this functionality without the narrow extension enabled, as that extension monkeypatches various things and I want to isolate the behavior of core Mercurial. Differential Revision: https://phab.mercurial-scm.org/D5132

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xutils.h
39 lines | 1.3 KiB | text/x-c | CLexer
/*
* LibXDiff by Davide Libenzi ( File Differential Library )
* Copyright (C) 2003 Davide Libenzi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see
* <http://www.gnu.org/licenses/>.
*
* Davide Libenzi <davidel@xmailserver.org>
*
*/
#if !defined(XUTILS_H)
#define XUTILS_H
int64_t xdl_bogosqrt(int64_t n);
int xdl_cha_init(chastore_t *cha, int64_t isize, int64_t icount);
void xdl_cha_free(chastore_t *cha);
void *xdl_cha_alloc(chastore_t *cha);
int64_t xdl_guess_lines(mmfile_t *mf, int64_t sample);
int xdl_recmatch(const char *l1, int64_t s1, const char *l2, int64_t s2);
uint64_t xdl_hash_record(char const **data, char const *top);
unsigned int xdl_hashbits(int64_t size);
#endif /* #if !defined(XUTILS_H) */