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[PATCH 04/11] pack v4: add version argument to write_pack_header

From
Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date
Sep 8, 2013, 15:04 UTC
Message-ID
<1378652660-6731-5-git-send-email-pclouds@gmail.com>
In-Reply-To
<1378652660-6731-1-git-send-email-pclouds@gmail.com>
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 builtin/pack-objects.c | 2 +-
 bulk-checkin.c         | 2 +-
 pack-write.c           | 7 +++++--
 pack.h                 | 3 +--
 4 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index f069462..33faea8 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -735,7 +735,7 @@ static void write_pack_file(void)
 		else
 			f = create_tmp_packfile(&pack_tmp_name);
 
-		offset = write_pack_header(f, nr_remaining);
+		offset = write_pack_header(f, 2, nr_remaining);
 		if (!offset)
 			die_errno("unable to write pack header");
 		nr_written = 0;
diff --git a/bulk-checkin.c b/bulk-checkin.c
index 6b0b6d4..9d8f0d0 100644
--- a/bulk-checkin.c
+++ b/bulk-checkin.c
@@ -176,7 +176,7 @@ static void prepare_to_stream(struct bulk_checkin_state *state,
 	reset_pack_idx_option(&state->pack_idx_opts);
 
 	/* Pretend we are going to write only one object */
-	state->offset = write_pack_header(state->f, 1);
+	state->offset = write_pack_header(state->f, 2, 1);
 	if (!state->offset)
 		die_errno("unable to write pack header");
 }
diff --git a/pack-write.c b/pack-write.c
index 631007e..88e4788 100644
--- a/pack-write.c
+++ b/pack-write.c
@@ -186,12 +186,15 @@ const char *write_idx_file(const char *index_name, struct pack_idx_entry **objec
 	return index_name;
 }
 
-off_t write_pack_header(struct sha1file *f, uint32_t nr_entries)
+off_t write_pack_header(struct sha1file *f,
+			int version, uint32_t nr_entries)
 {
 	struct pack_header hdr;
 
 	hdr.hdr_signature = htonl(PACK_SIGNATURE);
-	hdr.hdr_version = htonl(PACK_VERSION);
+	hdr.hdr_version = htonl(version);
+	if (!pack_version_ok(hdr.hdr_version))
+		die(_("pack version %d is not supported"), version);
 	hdr.hdr_entries = htonl(nr_entries);
 	if (sha1write(f, &hdr, sizeof(hdr)))
 		return 0;
diff --git a/pack.h b/pack.h
index aa6ee7d..855f6c6 100644
--- a/pack.h
+++ b/pack.h
@@ -8,7 +8,6 @@
  * Packed object header
  */
 #define PACK_SIGNATURE 0x5041434b	/* "PACK" */
-#define PACK_VERSION 2
 #define pack_version_ok(v) ((v) == htonl(2) || (v) == htonl(3))
 struct pack_header {
 	uint32_t hdr_signature;
@@ -80,7 +79,7 @@ extern const char *write_idx_file(const char *index_name, struct pack_idx_entry
 extern int check_pack_crc(struct packed_git *p, struct pack_window **w_curs, off_t offset, off_t len, unsigned int nr);
 extern int verify_pack_index(struct packed_git *);
 extern int verify_pack(struct packed_git *, verify_fn fn, struct progress *, uint32_t);
-extern off_t write_pack_header(struct sha1file *f, uint32_t);
+extern off_t write_pack_header(struct sha1file *f, int, uint32_t);
 extern void fixup_pack_header_footer(int, unsigned char *, const char *, uint32_t, unsigned char *, off_t);
 extern char *index_pack_lockfile(int fd);
 extern int encode_in_pack_object_header(enum object_type, uintmax_t, unsigned char *);
-- 
1.8.2.83.gc99314b
Previous: Nicolas PitreNext: Nguyễn Thái Ngọc Duy
Message 87 of 124 in “pack version 4 basic functionalities”
  1. 00/38 pack version 4 basic functionalitiesNicolas Pitre, Sep 5, 2013
  2. 01/38 pack v4: initial pack dictionary structure and codeNicolas Pitre, Sep 5, 2013
  3. 02/38 export packed_object_info()Nicolas Pitre, Sep 5, 2013
  4. 03/38 pack v4: scan tree objectsNicolas Pitre, Sep 5, 2013
  5. 04/38 pack v4: add tree entry mode support to dictionary entriesNicolas Pitre, Sep 5, 2013
  6. 05/38 pack v4: add commit object parsingNicolas Pitre, Sep 5, 2013
  7. SZEDER GáborSep 5, 2013
  8. Nicolas PitreSep 5, 2013
  9. 06/38 pack v4: split the object list and dictionary creationNicolas Pitre, Sep 5, 2013
  10. 07/38 pack v4: move to struct pack_idx_entry and get rid of our own struct idx_entryNicolas Pitre, Sep 5, 2013
  11. 08/38 pack v4: basic SHA1 reference encodingNicolas Pitre, Sep 5, 2013
  12. 09/38 introduce get_sha1_lowhex()Nicolas Pitre, Sep 5, 2013
  13. 10/38 pack v4: commit object encodingNicolas Pitre, Sep 5, 2013
  14. Junio C HamanoSep 6, 2013
  15. Nicolas PitreSep 6, 2013
  16. Junio C HamanoSep 6, 2013
  17. Nicolas PitreSep 7, 2013
  18. 11/38 pack v4: tree object encodingNicolas Pitre, Sep 5, 2013
  19. 12/38 pack v4: dictionary table outputNicolas Pitre, Sep 5, 2013
  20. 13/38 pack v4: creation codeNicolas Pitre, Sep 5, 2013
  21. 14/38 pack v4: object headersNicolas Pitre, Sep 5, 2013
  22. 15/38 pack v4: object data copyNicolas Pitre, Sep 5, 2013
  23. 16/38 pack v4: object writingNicolas Pitre, Sep 5, 2013
  24. 17/38 pack v4: tree object delta encodingNicolas Pitre, Sep 5, 2013
  25. 18/38 pack v4: load delta candidate for encoding tree objectsNicolas Pitre, Sep 5, 2013
  26. 19/38 packv4-create: optimize delta encodingNicolas Pitre, Sep 5, 2013
  27. 20/38 pack v4: honor pack.compression config optionNicolas Pitre, Sep 5, 2013
  28. 21/38 pack v4: relax commit parsing a bitNicolas Pitre, Sep 5, 2013
  29. 22/38 pack index v3Nicolas Pitre, Sep 5, 2013
  30. 23/38 packv4-create: normalize pack name to properly generate the pack index file nameNicolas Pitre, Sep 5, 2013
  31. 24/38 packv4-create: add progress displayNicolas Pitre, Sep 5, 2013
  32. 25/38 pack v4: initial pack index v3 support on the read sideNicolas Pitre, Sep 5, 2013
  33. 26/38 pack v4: object header decodeNicolas Pitre, Sep 5, 2013
  34. 27/38 pack v4: code to obtain a SHA1 from a sha1refNicolas Pitre, Sep 5, 2013
  35. 28/38 pack v4: code to load and prepare a pack dictionary table for useNicolas Pitre, Sep 5, 2013
  36. 29/38 pack v4: code to retrieve a nameNicolas Pitre, Sep 5, 2013
  37. 30/38 pack v4: code to recreate a canonical commit objectNicolas Pitre, Sep 5, 2013
  38. 31/38 sha1_file.c: make use of decode_varint()Nicolas Pitre, Sep 5, 2013
  39. SZEDER GáborSep 5, 2013
  40. 32/38 pack v4: parse delta base referenceNicolas Pitre, Sep 5, 2013
  41. 33/38 pack v4: we can read commit objects nowNicolas Pitre, Sep 5, 2013
  42. 34/38 pack v4: code to retrieve a path componentNicolas Pitre, Sep 5, 2013
  43. 35/38 pack v4: decode tree objectsNicolas Pitre, Sep 5, 2013
  44. 36/38 pack v4: get tree objectsNicolas Pitre, Sep 5, 2013
  45. 37/38 pack v4: introduce "escape hatches" in the name and path indexesNicolas Pitre, Sep 5, 2013
  46. Nicolas PitreSep 5, 2013
  47. Nicolas PitreSep 5, 2013
  48. Duy NguyenSep 5, 2013
  49. 38/38 packv4-create: add a command line argument to limit tree copy sequencesNicolas Pitre, Sep 5, 2013
  50. 00/12 pack v4 support in index-packNguyễn Thái Ngọc Duy, Sep 7, 2013
  51. 01/12 pack v4: split pv4_create_dict() out of load_dict()Nguyễn Thái Ngọc Duy, Sep 7, 2013
  52. 02/12 index-pack: split out varint decoding codeNguyễn Thái Ngọc Duy, Sep 7, 2013
  53. 03/12 index-pack: do not allocate buffer for unpacking deltas in the first passNguyễn Thái Ngọc Duy, Sep 7, 2013
  54. 04/12 index-pack: split inflate/digest code out of unpack_entry_dataNguyễn Thái Ngọc Duy, Sep 7, 2013
  55. 05/12 index-pack: parse v4 header and dictionariesNguyễn Thái Ngọc Duy, Sep 7, 2013
  56. Nicolas PitreSep 8, 2013
  57. 06/12 index-pack: make sure all objects are registered in v4's SHA-1 tableNguyễn Thái Ngọc Duy, Sep 7, 2013
  58. 07/12 index-pack: parse v4 commit formatNguyễn Thái Ngọc Duy, Sep 7, 2013
  59. 08/12 index-pack: parse v4 tree formatNguyễn Thái Ngọc Duy, Sep 7, 2013
  60. Nicolas PitreSep 8, 2013
  61. 09/12 index-pack: move delta base queuing code to unpack_raw_entryNguyễn Thái Ngọc Duy, Sep 7, 2013
  62. 10/12 index-pack: record all delta bases in v4 (tree and ref-delta)Nguyễn Thái Ngọc Duy, Sep 7, 2013
  63. 11/12 index-pack: skip looking for ofs-deltas in v4 as they are not allowedNguyễn Thái Ngọc Duy, Sep 7, 2013
  64. 12/12 index-pack: resolve v4 one-base treesNguyễn Thái Ngọc Duy, Sep 7, 2013
  65. Nicolas PitreSep 8, 2013
  66. Duy NguyenSep 8, 2013
  67. 00/14 pack v4 support in index-packNguyễn Thái Ngọc Duy, Sep 8, 2013
  68. 01/14 pack v4: split pv4_create_dict() out of load_dict()Nguyễn Thái Ngọc Duy, Sep 8, 2013
  69. 02/14 pack v4: add pv4_free_dict()Nguyễn Thái Ngọc Duy, Sep 8, 2013
  70. 03/14 index-pack: add more comments on some big functionsNguyễn Thái Ngọc Duy, Sep 8, 2013
  71. 04/14 index-pack: split out varint decoding codeNguyễn Thái Ngọc Duy, Sep 8, 2013
  72. 05/14 index-pack: do not allocate buffer for unpacking deltas in the first passNguyễn Thái Ngọc Duy, Sep 8, 2013
  73. 06/14 index-pack: split inflate/digest code out of unpack_entry_dataNguyễn Thái Ngọc Duy, Sep 8, 2013
  74. 07/14 index-pack: parse v4 header and dictionariesNguyễn Thái Ngọc Duy, Sep 8, 2013
  75. 08/14 index-pack: make sure all objects are registered in v4's SHA-1 tableNguyễn Thái Ngọc Duy, Sep 8, 2013
  76. 09/14 index-pack: parse v4 commit formatNguyễn Thái Ngọc Duy, Sep 8, 2013
  77. 10/14 index-pack: parse v4 tree formatNguyễn Thái Ngọc Duy, Sep 8, 2013
  78. 11/14 index-pack: move delta base queuing code to unpack_raw_entryNguyễn Thái Ngọc Duy, Sep 8, 2013
  79. 12/14 index-pack: record all delta bases in v4 (tree and ref-delta)Nguyễn Thái Ngọc Duy, Sep 8, 2013
  80. 13/14 index-pack: skip looking for ofs-deltas in v4 as they are not allowedNguyễn Thái Ngọc Duy, Sep 8, 2013
  81. 14/14 index-pack: resolve v4 one-base treesNguyễn Thái Ngọc Duy, Sep 8, 2013
  82. 00/11 pack v4 support in pack-objectsNguyễn Thái Ngọc Duy, Sep 8, 2013
  83. 01/11 pack v4: allocate dicts from the beginningNguyễn Thái Ngọc Duy, Sep 8, 2013
  84. 02/11 pack v4: stop using static/global variables in packv4-create.cNguyễn Thái Ngọc Duy, Sep 8, 2013
  85. 03/11 pack v4: move packv4-create.c to libgit.aNguyễn Thái Ngọc Duy, Sep 8, 2013
  86. Nicolas PitreSep 8, 2013
  87. 04/11 pack v4: add version argument to write_pack_headerNguyễn Thái Ngọc Duy, Sep 8, 2013
  88. 05/11 pack-write.c: add pv4_encode_in_pack_object_headerNguyễn Thái Ngọc Duy, Sep 8, 2013
  89. Nicolas PitreSep 8, 2013
  90. 06/11 pack-objects: add --version to specify written pack versionNguyễn Thái Ngọc Duy, Sep 8, 2013
  91. 07/11 list-objects.c: add show_tree_entry callback to traverse_commit_listNguyễn Thái Ngọc Duy, Sep 8, 2013
  92. 08/11 pack-objects: create pack v4 tablesNguyễn Thái Ngọc Duy, Sep 8, 2013
  93. Duy NguyenSep 9, 2013
  94. Nicolas PitreSep 9, 2013
  95. Junio C HamanoSep 9, 2013
  96. 09/11 pack-objects: do not cache delta for v4 treesNguyễn Thái Ngọc Duy, Sep 8, 2013
  97. 10/11 pack-objects: exclude commits out of delta objects in v4Nguyễn Thái Ngọc Duy, Sep 8, 2013
  98. 11/11 pack-objects: support writing pack v4Nguyễn Thái Ngọc Duy, Sep 8, 2013
  99. 00/16 pack v4 support in pack-objectsNguyễn Thái Ngọc Duy, Sep 9, 2013
  100. 01/16 pack v4: allocate dicts from the beginningNguyễn Thái Ngọc Duy, Sep 9, 2013
  101. 02/16 pack v4: stop using static/global variables in packv4-create.cNguyễn Thái Ngọc Duy, Sep 9, 2013
  102. 03/16 pack v4: move packv4-create.c to libgit.aNguyễn Thái Ngọc Duy, Sep 9, 2013
  103. 04/16 pack v4: add version argument to write_pack_headerNguyễn Thái Ngọc Duy, Sep 9, 2013
  104. 05/16 pack_write: tighten valid object type check in encode_in_pack_object_headerNguyễn Thái Ngọc Duy, Sep 9, 2013
  105. 06/16 pack-write.c: add pv4_encode_object_headerNguyễn Thái Ngọc Duy, Sep 9, 2013
  106. 07/16 pack-objects: add --version to specify written pack versionNguyễn Thái Ngọc Duy, Sep 9, 2013
  107. 08/16 list-objects.c: add show_tree_entry callback to traverse_commit_listNguyễn Thái Ngọc Duy, Sep 9, 2013
  108. 09/16 pack-objects: do not cache delta for v4 treesNguyễn Thái Ngọc Duy, Sep 9, 2013
  109. 10/16 pack-objects: exclude commits out of delta objects in v4Nguyễn Thái Ngọc Duy, Sep 9, 2013
  110. 11/16 pack-objects: create pack v4 tablesNguyễn Thái Ngọc Duy, Sep 9, 2013
  111. 12/16 pack-objects: prepare SHA-1 table in v4Nguyễn Thái Ngọc Duy, Sep 9, 2013
  112. 13/16 pack-objects: support writing pack v4Nguyễn Thái Ngọc Duy, Sep 9, 2013
  113. 14/16 pack v4: support "end-of-pack" indicator in index-pack and pack-objectsNguyễn Thái Ngọc Duy, Sep 9, 2013
  114. 15/16 index-pack: use nr_objects_final as sha1_table sizeNguyễn Thái Ngọc Duy, Sep 9, 2013
  115. Nicolas PitreSep 9, 2013
  116. Junio C HamanoSep 9, 2013
  117. Nicolas PitreSep 9, 2013
  118. Junio C HamanoSep 9, 2013
  119. Nicolas PitreSep 9, 2013
  120. Junio C HamanoSep 9, 2013
  121. Nicolas PitreSep 9, 2013
  122. Duy NguyenSep 10, 2013
  123. Nicolas PitreSep 12, 2013
  124. 16/16 index-pack: support completing thin packs v4Nguyễn Thái Ngọc Duy, Sep 9, 2013

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