44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
#ifndef PACK_BITMAP_H
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#define PACK_BITMAP_H
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#include "ewah/ewok.h"
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#include "khash.h"
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struct bitmap_disk_entry {
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uint32_t object_pos;
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uint8_t xor_offset;
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uint8_t flags;
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} __attribute__((packed));
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struct bitmap_disk_header {
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char magic[4];
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uint16_t version;
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uint16_t options;
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uint32_t entry_count;
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unsigned char checksum[20];
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};
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static const char BITMAP_IDX_SIGNATURE[] = {'B', 'I', 'T', 'M'};
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enum pack_bitmap_opts {
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BITMAP_OPT_FULL_DAG = 1
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};
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typedef int (*show_reachable_fn)(
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const unsigned char *sha1,
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enum object_type type,
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int flags,
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uint32_t hash,
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struct packed_git *found_pack,
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off_t found_offset);
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int prepare_bitmap_git(void);
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void count_bitmap_commit_list(uint32_t *commits, uint32_t *trees, uint32_t *blobs, uint32_t *tags);
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void traverse_bitmap_commit_list(show_reachable_fn show_reachable);
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void test_bitmap_walk(struct rev_info *revs);
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char *pack_bitmap_filename(struct packed_git *p);
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int prepare_bitmap_walk(struct rev_info *revs);
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int reuse_partial_packfile_from_bitmap(struct packed_git **packfile, uint32_t *entries, off_t *up_to);
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#endif
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