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Revision e293c563b00f9adfff44676d7406d40194aff228 authored by Junio C Hamano on 25 June 2014, 18:43:07 UTC, committed by Junio C Hamano on 25 June 2014, 18:43:07 UTC 
Merge branch 'je/pager-do-not-recurse' into maint
 
We used to unconditionally disable the pager in the pager process
we spawn to feed out output, but that prevented people who want to
run "less" within "less" from doing so.

* je/pager-do-not-recurse:
  pager: do allow spawning pager recursively
2 parent s 9a597ed + c0459ca
Raw File
pack-bitmap.h 
#ifndef PACK_BITMAP_H
#define PACK_BITMAP_H

#include "ewah/ewok.h"
#include "khash.h"
#include "pack-objects.h"

struct bitmap_disk_entry {
	uint32_t object_pos;
	uint8_t xor_offset;
	uint8_t flags;
} __attribute__((packed));

struct bitmap_disk_header {
	char magic[4];
	uint16_t version;
	uint16_t options;
	uint32_t entry_count;
	unsigned char checksum[20];
};

static const char BITMAP_IDX_SIGNATURE[] = {'B', 'I', 'T', 'M'};

#define NEEDS_BITMAP (1u<<22)

enum pack_bitmap_opts {
	BITMAP_OPT_FULL_DAG = 1,
	BITMAP_OPT_HASH_CACHE = 4,
};

enum pack_bitmap_flags {
	BITMAP_FLAG_REUSE = 0x1
};

typedef int (*show_reachable_fn)(
	const unsigned char *sha1,
	enum object_type type,
	int flags,
	uint32_t hash,
	struct packed_git *found_pack,
	off_t found_offset);

int prepare_bitmap_git(void);
void count_bitmap_commit_list(uint32_t *commits, uint32_t *trees, uint32_t *blobs, uint32_t *tags);
void traverse_bitmap_commit_list(show_reachable_fn show_reachable);
void test_bitmap_walk(struct rev_info *revs);
char *pack_bitmap_filename(struct packed_git *p);
int prepare_bitmap_walk(struct rev_info *revs);
int reuse_partial_packfile_from_bitmap(struct packed_git **packfile, uint32_t *entries, off_t *up_to);
int rebuild_existing_bitmaps(struct packing_data *mapping, khash_sha1 *reused_bitmaps, int show_progress);

void bitmap_writer_show_progress(int show);
void bitmap_writer_set_checksum(unsigned char *sha1);
void bitmap_writer_build_type_index(struct pack_idx_entry **index, uint32_t index_nr);
void bitmap_writer_reuse_bitmaps(struct packing_data *to_pack);
void bitmap_writer_select_commits(struct commit **indexed_commits,
		unsigned int indexed_commits_nr, int max_bitmaps);
void bitmap_writer_build(struct packing_data *to_pack);
void bitmap_writer_finish(struct pack_idx_entry **index,
			  uint32_t index_nr,
			  const char *filename,
			  uint16_t options);

#endif
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