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

abort: added logic for of hg abort...

abort: added logic for of hg abort This is part of `GSoC19` project `Implement abort and continue commands`. This patch is part of the `abort plan`. This adds the basic logic for `hg abort`. This command aborts an multistep operation like graft, histedit, rebase, merge and unshelve if they are in an unfinished state. The first part of the logic is determining the unfinished operation from the state detection API under `statemod`. This API is extended to support `hg abort` by adding a method to register the abort logic as a function (here `abortfunc`). Once the unfinished operation is determined the registered logic is used to abort the command. The benefit of this kind of framework is that any new extension developed can support `hg abort` by registering the command and logic under statedetection API. `hg abort` currently supports `--dry-run/-n` flag only. It is used to dry run `hg abort` Further patches sequentially add support for `graft`, `rebase`, `unshelve`, `histedit` and `merge`. Differential Revision: https://phab.mercurial-scm.org/D6566

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