mirror of
https://github.com/git/git.git
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265ae18826
* np/progress: Show total transferred as part of throughput progress make sure throughput display gets updated even if progress doesn't move return the prune-packed progress display to the inner loop add throughput display to git-push add some copyright notice to the progress display code add throughput display to index-pack add throughput to progress display relax usage of the progress API make struct progress an opaque type prune-packed: don't call display_progress() for every file Stop displaying "Pack pack-$ID created." during git-gc Teach prune-packed to use the standard progress meter Change 'Deltifying objects' to 'Compressing objects' fix for more minor memory leaks fix const issues with some functions pack-objects.c: fix some global variable abuse and memory leaks pack-objects: no delta possible with only one object in the list cope with multiple line breaks within sideband progress messages more compact progress display
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
#ifndef PACK_H
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#define PACK_H
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#include "object.h"
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/*
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* Packed object header
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*/
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#define PACK_SIGNATURE 0x5041434b /* "PACK" */
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#define PACK_VERSION 2
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#define pack_version_ok(v) ((v) == htonl(2) || (v) == htonl(3))
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struct pack_header {
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uint32_t hdr_signature;
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uint32_t hdr_version;
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uint32_t hdr_entries;
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};
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/*
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* The first four bytes of index formats later than version 1 should
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* start with this signature, as all older git binaries would find this
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* value illegal and abort reading the file.
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*
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* This is the case because the number of objects in a packfile
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* cannot exceed 1,431,660,000 as every object would need at least
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* 3 bytes of data and the overall packfile cannot exceed 4 GiB with
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* version 1 of the index file due to the offsets limited to 32 bits.
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* Clearly the signature exceeds this maximum.
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*
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* Very old git binaries will also compare the first 4 bytes to the
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* next 4 bytes in the index and abort with a "non-monotonic index"
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* error if the second 4 byte word is smaller than the first 4
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* byte word. This would be true in the proposed future index
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* format as idx_signature would be greater than idx_version.
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*/
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#define PACK_IDX_SIGNATURE 0xff744f63 /* "\377tOc" */
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/* These may be overridden by command-line parameters */
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extern uint32_t pack_idx_default_version;
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extern uint32_t pack_idx_off32_limit;
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/*
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* Packed object index header
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*/
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struct pack_idx_header {
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uint32_t idx_signature;
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uint32_t idx_version;
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};
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/*
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* Common part of object structure used for write_idx_file
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*/
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struct pack_idx_entry {
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unsigned char sha1[20];
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uint32_t crc32;
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off_t offset;
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};
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extern char *write_idx_file(char *index_name, struct pack_idx_entry **objects, int nr_objects, unsigned char *sha1);
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extern int verify_pack(struct packed_git *, int);
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extern void fixup_pack_header_footer(int, unsigned char *, const char *, uint32_t);
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extern char *index_pack_lockfile(int fd);
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#define PH_ERROR_EOF (-1)
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#define PH_ERROR_PACK_SIGNATURE (-2)
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#define PH_ERROR_PROTOCOL (-3)
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extern int read_pack_header(int fd, struct pack_header *);
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#endif
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