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[PATCH v5 34/40] external-odb: use 'odb=magic' attribute to mark odb blobs

From
Christian Couder <christian.couder@gmail.com>
Date
Aug 3, 2017, 09:19 UTC
Message-ID
<20170803091926.1755-35-chriscool@tuxfamily.org>
In-Reply-To
<20170803091926.1755-1-chriscool@tuxfamily.org>

To tell which blobs should be sent to the "magic" external odb, let's require that the blobs be marked using the 'odb=magic' attribute.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
---
 external-odb.c                         | 22 ++++++++++++++++++++--
 external-odb.h                         |  3 ++-
 sha1_file.c                            | 20 +++++++++++++++-----
 t/t0400-external-odb.sh                |  3 +++
 t/t0410-transfer-e-odb.sh              |  3 +++
 t/t0420-transfer-http-e-odb.sh         |  3 +++
 t/t0470-read-object-http-e-odb.sh      |  3 +++
 t/t0480-read-object-have-http-e-odb.sh |  3 +++
 8 files changed, 52 insertions(+), 8 deletions(-)
diff --git a/external-odb.c b/external-odb.c
index 084cd32e0b..e103514a46 100644
--- a/external-odb.c
+++ b/external-odb.c
@@ -1,6 +1,7 @@
 #include "cache.h"
 #include "external-odb.h"
 #include "odb-helper.h"
+#include "attr.h"
 
 static struct odb_helper *helpers;
 static struct odb_helper **helpers_tail = &helpers;
@@ -155,8 +156,23 @@ int external_odb_get_object(const unsigned char *sha1)
 	return external_odb_do_get_object(sha1);
 }
 
+static int has_odb_attrs(struct odb_helper *o, const char *path)
+{
+	static struct attr_check *check;
+
+	if (!check)
+		check = attr_check_initl("odb", NULL);
+
+	if (!git_check_attr(path, check)) {
+		const char *value = check->items[0].value;
+		return value ? !strcmp(o->name, value) : 0;
+	}
+	return 0;
+}
+
 int external_odb_put_object(const void *buf, size_t len,
-			    const char *type, unsigned char *sha1)
+			    const char *type, unsigned char *sha1,
+			    const char *path)
 {
 	struct odb_helper *o;
 
@@ -164,12 +180,14 @@ int external_odb_put_object(const void *buf, size_t len,
 		return 1;
 
 	/* For now accept only blobs */
-	if (strcmp(type, "blob"))
+	if (!path || strcmp(type, "blob"))
 		return 1;
 
 	external_odb_init();
 
 	for (o = helpers; o; o = o->next) {
+		if (!has_odb_attrs(o, path))
+			continue;
 		int r = odb_helper_put_object(o, buf, len, type, sha1);
 		if (r <= 0)
 			return r;
diff --git a/external-odb.h b/external-odb.h
index 247b131fd5..9bd7856b60 100644
--- a/external-odb.h
+++ b/external-odb.h
@@ -6,6 +6,7 @@ int external_odb_has_object(const unsigned char *sha1);
 int external_odb_get_object(const unsigned char *sha1);
 int external_odb_get_direct(const unsigned char *sha1);
 int external_odb_put_object(const void *buf, size_t len,
-			    const char *type, unsigned char *sha1);
+			    const char *type, unsigned char *sha1,
+			    const char *path);
 
 #endif /* EXTERNAL_ODB_H */
diff --git a/sha1_file.c b/sha1_file.c
index fb34f0b18d..75188850da 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -3487,7 +3487,9 @@ static int freshen_packed_object(const unsigned char *sha1)
 	return 1;
 }
 
-int write_sha1_file(const void *buf, unsigned long len, const char *type, unsigned char *sha1)
+static int write_sha1_file_with_path(const void *buf, unsigned long len,
+				     const char *type, unsigned char *sha1,
+				     const char *path)
 {
 	char hdr[32];
 	int hdrlen = sizeof(hdr);
@@ -3496,13 +3498,19 @@ int write_sha1_file(const void *buf, unsigned long len, const char *type, unsign
 	 * it out into .git/objects/??/?{38} file.
 	 */
 	write_sha1_file_prepare(buf, len, type, sha1, hdr, &hdrlen);
-	if (!external_odb_put_object(buf, len, type, sha1))
+	if (!external_odb_put_object(buf, len, type, sha1, path))
 		return 0;
 	if (freshen_packed_object(sha1) || freshen_loose_object(sha1))
 		return 0;
 	return write_loose_object(sha1, hdr, hdrlen, buf, len, 0);
 }
 
+int write_sha1_file(const void *buf, unsigned long len,
+		    const char *type, unsigned char *sha1)
+{
+	write_sha1_file_with_path(buf, len, type, sha1, NULL);
+}
+
 int hash_sha1_file_literally(const void *buf, unsigned long len, const char *type,
 			     unsigned char *sha1, unsigned flags)
 {
@@ -3637,7 +3645,8 @@ static int index_mem(unsigned char *sha1, void *buf, size_t size,
 	}
 
 	if (write_object)
-		ret = write_sha1_file(buf, size, typename(type), sha1);
+		ret = write_sha1_file_with_path(buf, size, typename(type),
+						sha1, path);
 	else
 		ret = hash_sha1_file(buf, size, typename(type), sha1);
 	if (re_allocated)
@@ -3659,8 +3668,9 @@ static int index_stream_convert_blob(unsigned char *sha1, int fd,
 				 write_object ? safe_crlf : SAFE_CRLF_FALSE);
 
 	if (write_object)
-		ret = write_sha1_file(sbuf.buf, sbuf.len, typename(OBJ_BLOB),
-				      sha1);
+		ret = write_sha1_file_with_path(sbuf.buf, sbuf.len,
+						typename(OBJ_BLOB),
+						sha1, path);
 	else
 		ret = hash_sha1_file(sbuf.buf, sbuf.len, typename(OBJ_BLOB),
 				     sha1);
diff --git a/t/t0400-external-odb.sh b/t/t0400-external-odb.sh
index fa355bd7bb..f2c45a625c 100755
--- a/t/t0400-external-odb.sh
+++ b/t/t0400-external-odb.sh
@@ -73,6 +73,9 @@ test_expect_success 'helper can add objects to alt repo' '
 
 test_expect_success 'commit adds objects to alt repo' '
 	test_config odb.magic.scriptCommand "$HELPER" &&
+	echo "* odb=magic" >.gitattributes &&
+	GIT_NO_EXTERNAL_ODB=1 git add .gitattributes &&
+	GIT_NO_EXTERNAL_ODB=1 git commit -m "Add .gitattributes" &&
 	test_commit three &&
 	hash3=$(git ls-tree HEAD | grep three.t | cut -f1 | cut -d\  -f3) &&
 	content=$(cd alt-repo && git show "$hash3") &&
diff --git a/t/t0410-transfer-e-odb.sh b/t/t0410-transfer-e-odb.sh
index 065ec7d759..fd3e37918c 100755
--- a/t/t0410-transfer-e-odb.sh
+++ b/t/t0410-transfer-e-odb.sh
@@ -111,6 +111,9 @@ test_expect_success 'setup other repo and its alternate repo' '
 '
 
 test_expect_success 'new blobs are put in first object store' '
+	echo "* odb=magic" >.gitattributes &&
+	GIT_NO_EXTERNAL_ODB=1 git add .gitattributes &&
+	GIT_NO_EXTERNAL_ODB=1 git commit -m "Add .gitattributes" &&
 	test_commit one &&
 	hash1=$(git ls-tree HEAD | grep one.t | cut -f1 | cut -d\  -f3) &&
 	content=$(cd alt-repo1 && git show "$hash1") &&
diff --git a/t/t0420-transfer-http-e-odb.sh b/t/t0420-transfer-http-e-odb.sh
index f84fe950ec..d307af0457 100755
--- a/t/t0420-transfer-http-e-odb.sh
+++ b/t/t0420-transfer-http-e-odb.sh
@@ -94,6 +94,9 @@ test_expect_success 'can delete uploaded files' '
 FILES_DIR="httpd/www/files"
 
 test_expect_success 'new blobs are transfered to the http server' '
+	echo "* odb=magic" >.gitattributes &&
+	GIT_NO_EXTERNAL_ODB=1 git add .gitattributes &&
+	GIT_NO_EXTERNAL_ODB=1 git commit -m "Add .gitattributes" &&
 	test_commit one &&
 	hash1=$(git ls-tree HEAD | grep one.t | cut -f1 | cut -d\  -f3) &&
 	echo "$hash1-4-blob" >expected &&
diff --git a/t/t0470-read-object-http-e-odb.sh b/t/t0470-read-object-http-e-odb.sh
index 774528c04f..d814a43d59 100755
--- a/t/t0470-read-object-http-e-odb.sh
+++ b/t/t0470-read-object-http-e-odb.sh
@@ -62,6 +62,9 @@ test_expect_success 'can delete uploaded files' '
 FILES_DIR="httpd/www/files"
 
 test_expect_success 'new blobs are transfered to the http server' '
+	echo "* odb=magic" >.gitattributes &&
+	GIT_NO_EXTERNAL_ODB=1 git add .gitattributes &&
+	GIT_NO_EXTERNAL_ODB=1 git commit -m "Add .gitattributes" &&
 	test_commit one &&
 	hash1=$(git ls-tree HEAD | grep one.t | cut -f1 | cut -d\  -f3) &&
 	echo "$hash1-4-blob" >expected &&
diff --git a/t/t0480-read-object-have-http-e-odb.sh b/t/t0480-read-object-have-http-e-odb.sh
index 056a40f2bb..fe1fac5ef3 100755
--- a/t/t0480-read-object-have-http-e-odb.sh
+++ b/t/t0480-read-object-have-http-e-odb.sh
@@ -62,6 +62,9 @@ test_expect_success 'can delete uploaded files' '
 FILES_DIR="httpd/www/files"
 
 test_expect_success 'new blobs are transfered to the http server' '
+	echo "* odb=magic" >.gitattributes &&
+	GIT_NO_EXTERNAL_ODB=1 git add .gitattributes &&
+	GIT_NO_EXTERNAL_ODB=1 git commit -m "Add .gitattributes" &&
 	test_commit one &&
 	hash1=$(git ls-tree HEAD | grep one.t | cut -f1 | cut -d\  -f3) &&
 	echo "$hash1-4-blob" >expected &&
-- 
2.14.0.rc1.52.gf02fb0ddac.dirty
Previous: Christian CouderNext: Christian Couder
Message 29 of 73 in “Add initial experimental external ODB support”
  1. 00/40 Add initial experimental external ODB supportChristian Couder, Aug 3, 2017
  2. 03/40 t0021/rot13-filter: improve 'if .. elsif .. else' styleChristian Couder, Aug 3, 2017
  3. 04/40 Add Git/Packet.pm from parts of t0021/rot13-filter.plChristian Couder, Aug 3, 2017
  4. Junio C HamanoAug 3, 2017
  5. Christian CouderAug 4, 2017
  6. 07/40 Git/Packet.pm: add packet_initialize()Christian Couder, Aug 3, 2017
  7. 09/40 sha1_file: prepare for external odbsChristian Couder, Aug 3, 2017
  8. 11/40 odb-helper: add odb_helper_init() to send 'init' instructionChristian Couder, Aug 3, 2017
  9. Lars SchneiderSep 10, 2017
  10. Christian CouderSep 14, 2017
  11. 14/40 external-odb: accept only blobs for nowChristian Couder, Aug 3, 2017
  12. Junio C HamanoAug 3, 2017
  13. Christian CouderSep 14, 2017
  14. 12/40 t0400: add 'put_raw_obj' instruction to odb-helper scriptChristian Couder, Aug 3, 2017
  15. Lars SchneiderSep 10, 2017
  16. Christian CouderSep 14, 2017
  17. 20/40 lib-httpd: add list.shChristian Couder, Aug 3, 2017
  18. 13/40 external odb: add 'put_raw_obj' supportChristian Couder, Aug 3, 2017
  19. Junio C HamanoAug 3, 2017
  20. Christian CouderSep 14, 2017
  21. 22/40 odb-helper: add odb_helper_get_raw_object()Christian Couder, Aug 3, 2017
  22. 19/40 lib-httpd: add upload.shChristian Couder, Aug 3, 2017
  23. Junio C HamanoAug 3, 2017
  24. Christian CouderSep 14, 2017
  25. 21/40 lib-httpd: add apache-e-odb.confChristian Couder, Aug 3, 2017
  26. 29/40 Add t0460 to test passing git objectsChristian Couder, Aug 3, 2017
  27. 28/40 Add t0450 to test 'get_direct' mechanismChristian Couder, Aug 3, 2017
  28. 33/40 Add t0480 to test "have" capability and raw objectsChristian Couder, Aug 3, 2017
  29. 34/40 external-odb: use 'odb=magic' attribute to mark odb blobsChristian Couder, Aug 3, 2017
  30. 37/40 clone: add --initial-refspec optionChristian Couder, Aug 3, 2017
  31. 36/40 clone: add 'initial' param to write_remote_refs()Christian Couder, Aug 3, 2017
  32. 35/40 Add Documentation/technical/external-odb.txtChristian Couder, Aug 3, 2017
  33. Stefan BellerAug 3, 2017
  34. Christian CouderAug 25, 2017
  35. Jonathan TanAug 25, 2017
  36. Christian CouderAug 29, 2017
  37. Ben PeartAug 28, 2017
  38. Christian CouderAug 29, 2017
  39. Ben PeartAug 30, 2017
  40. Christian CouderAug 30, 2017
  41. 30/40 odb-helper: add put_object_process()Christian Couder, Aug 3, 2017
  42. 32/40 odb-helper: add have_object_process()Christian Couder, Aug 3, 2017
  43. 38/40 clone: disable external odb before initial cloneChristian Couder, Aug 3, 2017
  44. 39/40 Add tests for 'clone --initial-refspec'Christian Couder, Aug 3, 2017
  45. 40/40 Add t0430 to test cloning using bundlesChristian Couder, Aug 3, 2017
  46. 31/40 Add t0470 to test passing raw objectsChristian Couder, Aug 3, 2017
  47. 27/40 odb-helper: add init_object_process()Christian Couder, Aug 3, 2017
  48. 23/40 pack-objects: don't pack objects in external odbsChristian Couder, Aug 3, 2017
  49. 26/40 odb-helper: add 'script_mode' to 'struct odb_helper'Christian Couder, Aug 3, 2017
  50. 24/40 Add t0420 to test transfer to HTTP external odbChristian Couder, Aug 3, 2017
  51. 25/40 external-odb: add 'get_direct' supportChristian Couder, Aug 3, 2017
  52. Junio C HamanoAug 3, 2017
  53. Christian CouderSep 14, 2017
  54. Jonathan TanSep 14, 2017
  55. Christian CouderSep 15, 2017
  56. Jonathan TanSep 15, 2017
  57. 15/40 t0400: add test for external odb write supportChristian Couder, Aug 3, 2017
  58. 17/40 Add t0410 to test external ODB transferChristian Couder, Aug 3, 2017
  59. 18/40 lib-httpd: pass config file to start_httpd()Christian Couder, Aug 3, 2017
  60. 16/40 Add GIT_NO_EXTERNAL_ODB env variableChristian Couder, Aug 3, 2017
  61. 10/40 Add initial external odb supportChristian Couder, Aug 3, 2017
  62. Junio C HamanoAug 3, 2017
  63. Jeff KingAug 3, 2017
  64. Christian CouderSep 14, 2017
  65. 08/40 Git/Packet.pm: add capability functionsChristian Couder, Aug 3, 2017
  66. Junio C HamanoAug 3, 2017
  67. Christian CouderAug 4, 2017
  68. 01/40 builtin/clone: get rid of 'value' strbufChristian Couder, Aug 3, 2017
  69. 05/40 t0021/rot13-filter: use Git/Packet.pmChristian Couder, Aug 3, 2017
  70. 06/40 Git/Packet.pm: improve error messageChristian Couder, Aug 3, 2017
  71. 02/40 t0021/rot13-filter: refactor packet reading functionsChristian Couder, Aug 3, 2017
  72. Lars SchneiderSep 10, 2017
  73. Christian CouderSep 14, 2017

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