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

ui: add configoverride context manager...

ui: add configoverride context manager I feel like this idea might've been discussed before, so please feel free to point me to the right mailing list entry to read about why it should not be done. We have a common pattern of the following code: backup = ui.backupconfig(section, name) try: ui.setconfig(section, name, temporaryvalue, source) do_something() finally: ui.restoreconfig(backup) IMO, this looks better: with ui.configoverride({(section, name): temporaryvalue}, source): do_something() Especially this becomes more convenient when one has to backup multiple config values before doing something. In such case, adding a new value to backup requires codemod in three places.

Maciej Fijalkowski - - Load All Authors

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      #ifndef _HG_BDIFF_H_

      #define _HG_BDIFF_H_

      struct bdiff_line {

      	int hash, n, e;

      	ssize_t len;

      	const char *l;

      };

      struct bdiff_hunk;

      struct bdiff_hunk {

      	int a1, a2, b1, b2;

      	struct bdiff_hunk *next;

      };

      int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);

      int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,

      	struct bdiff_hunk *base);

      void bdiff_freehunks(struct bdiff_hunk *l);

      #endif

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				#ifndef _HG_BDIFF_H_
				#define _HG_BDIFF_H_

				struct bdiff_line {
				int hash, n, e;
				ssize_t len;
				const char *l;
				};

				struct bdiff_hunk;
				struct bdiff_hunk {
				int a1, a2, b1, b2;
				struct bdiff_hunk *next;
				};

				int bdiff_splitlines(const char a, ssize_t len, struct bdiff_line *lr);
				int bdiff_diff(struct bdiff_line a, int an, struct bdiff_line b, int bn,
				struct bdiff_hunk *base);
				void bdiff_freehunks(struct bdiff_hunk *l);

				#endif