upstream/mercurial-mirror Files · mercurial/mpatch.h

revlog: always process opener options...

revlog: always process opener options I'm not sure when ``opener.options`` would ever be explicitly set to None. It is definitely not possible to construct a repo this way because ``localrepo.resolvestorevfsoptions()`` always returns a dict and ``localrepo.makelocalrepository()`` always sets ``opener.options`` to this value. Because we always execute this code now, if options are empty we defaulted to creating version 0 revlogs. So we had to change the code slightly to fall back to the default revlog version and flags. As astute reader will note that it is not possible to create version 0 revlogs now. However, I don't think it was possible before, as this required ``opener.options`` being unset, which I don't think was possible. I suspect this means our test coverage for version 0 revlog repositories is possibly non-existent! Since I don't see a config option to disable revlog v1, I'm not even sure if we had a way to create new repos with version 0 revlogs! Who knows. Differential Revision: https://phab.mercurial-scm.org/D5559

Augie Fackler - - Load All Authors

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      #ifndef _HG_MPATCH_H_

      #define _HG_MPATCH_H_

      #define MPATCH_ERR_NO_MEM -3

      #define MPATCH_ERR_CANNOT_BE_DECODED -2

      #define MPATCH_ERR_INVALID_PATCH -1

      struct mpatch_frag {

      	int start, end, len;

      	const char *data;

      };

      struct mpatch_flist {

      	struct mpatch_frag *base, *head, *tail;

      };

      int mpatch_decode(const char *bin, ssize_t len, struct mpatch_flist **res);

      ssize_t mpatch_calcsize(ssize_t len, struct mpatch_flist *l);

      void mpatch_lfree(struct mpatch_flist *a);

      int mpatch_apply(char *buf, const char *orig, ssize_t len,

                       struct mpatch_flist *l);

      struct mpatch_flist *

      mpatch_fold(void *bins, struct mpatch_flist *(*get_next_item)(void *, ssize_t),

                  ssize_t start, ssize_t end);

      #endif

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				#ifndef _HG_MPATCH_H_
				#define _HG_MPATCH_H_

				#define MPATCH_ERR_NO_MEM -3
				#define MPATCH_ERR_CANNOT_BE_DECODED -2
				#define MPATCH_ERR_INVALID_PATCH -1

				struct mpatch_frag {
				int start, end, len;
				const char *data;
				};

				struct mpatch_flist {
				struct mpatch_frag base, head, *tail;
				};

				int mpatch_decode(const char bin, ssize_t len, struct mpatch_flist *res);
				ssize_t mpatch_calcsize(ssize_t len, struct mpatch_flist *l);
				void mpatch_lfree(struct mpatch_flist *a);
				int mpatch_apply(char buf, const char orig, ssize_t len,
				struct mpatch_flist *l);
				struct mpatch_flist *
				mpatch_fold(void bins, struct mpatch_flist (get_next_item)(void , ssize_t),
				ssize_t start, ssize_t end);

				#endif