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[PATCH v3 5/5] archive-tar: use internal gzip by default

From
René Scharfe <l.s.r@web.de>
Date
Jun 12, 2022, 06:19 UTC
Message-ID
<d9e75b24-c351-e226-011d-5a5cc2e1c858@web.de>
In-Reply-To
<217a2f4d-4fc2-aaed-f5c2-1b7e134b046d@web.de>

Drop the dependency on gzip(1) and use our internal implementation to create tar.gz and tgz files.

Signed-off-by: René Scharfe <l.s.r@web.de>
---
 Documentation/git-archive.txt |  4 ++--
 archive-tar.c                 |  4 ++--
 t/t5000-tar-tree.sh           | 32 ++++++++++++++++----------------
 3 files changed, 20 insertions(+), 20 deletions(-)
diff --git a/Documentation/git-archive.txt b/Documentation/git-archive.txt
index 5b017c2bdc..9de12896fc 100644
--- a/Documentation/git-archive.txt
+++ b/Documentation/git-archive.txt
@@ -148,8 +148,8 @@ tar.<format>.command::
 	format is given.
 +
 The "tar.gz" and "tgz" formats are defined automatically and default to
-`gzip -cn`. You may override them with custom commands. An internal gzip
-implementation can be used by specifying the value `git archive gzip`.
+the magic value `git archive gzip`, which invokes an internal
+implementation of gzip. You may override them with custom commands.

 tar.<format>.remote::
 	If true, enable `<format>` for use by remote clients via
diff --git a/archive-tar.c b/archive-tar.c
index bf7e321e0e..60669eb7b9 100644
--- a/archive-tar.c
+++ b/archive-tar.c
@@ -528,9 +528,9 @@ void init_tar_archiver(void)
 	int i;
 	register_archiver(&tar_archiver);

-	tar_filter_config("tar.tgz.command", "gzip -cn", NULL);
+	tar_filter_config("tar.tgz.command", internal_gzip_command, NULL);
 	tar_filter_config("tar.tgz.remote", "true", NULL);
-	tar_filter_config("tar.tar.gz.command", "gzip -cn", NULL);
+	tar_filter_config("tar.tar.gz.command", internal_gzip_command, NULL);
 	tar_filter_config("tar.tar.gz.remote", "true", NULL);
 	git_config(git_tar_config, NULL);
 	for (i = 0; i < nr_tar_filters; i++) {
diff --git a/t/t5000-tar-tree.sh b/t/t5000-tar-tree.sh
index 9ac0ec67fe..1a68e89a55 100755
--- a/t/t5000-tar-tree.sh
+++ b/t/t5000-tar-tree.sh
@@ -339,21 +339,21 @@ test_expect_success 'only enabled filters are available remotely' '
 	test_cmp_bin remote.bar config.bar
 '

-test_expect_success GZIP 'git archive --format=tgz' '
+test_expect_success 'git archive --format=tgz' '
 	git archive --format=tgz HEAD >j.tgz
 '

-test_expect_success GZIP 'git archive --format=tar.gz' '
+test_expect_success 'git archive --format=tar.gz' '
 	git archive --format=tar.gz HEAD >j1.tar.gz &&
 	test_cmp_bin j.tgz j1.tar.gz
 '

-test_expect_success GZIP 'infer tgz from .tgz filename' '
+test_expect_success 'infer tgz from .tgz filename' '
 	git archive --output=j2.tgz HEAD &&
 	test_cmp_bin j.tgz j2.tgz
 '

-test_expect_success GZIP 'infer tgz from .tar.gz filename' '
+test_expect_success 'infer tgz from .tar.gz filename' '
 	git archive --output=j3.tar.gz HEAD &&
 	test_cmp_bin j.tgz j3.tar.gz
 '
@@ -363,31 +363,31 @@ test_expect_success GZIP 'extract tgz file' '
 	test_cmp_bin b.tar j.tar
 '

-test_expect_success GZIP 'remote tar.gz is allowed by default' '
+test_expect_success 'remote tar.gz is allowed by default' '
 	git archive --remote=. --format=tar.gz HEAD >remote.tar.gz &&
 	test_cmp_bin j.tgz remote.tar.gz
 '

-test_expect_success GZIP 'remote tar.gz can be disabled' '
+test_expect_success 'remote tar.gz can be disabled' '
 	git config tar.tar.gz.remote false &&
 	test_must_fail git archive --remote=. --format=tar.gz HEAD \
 		>remote.tar.gz
 '

-test_expect_success 'git archive --format=tgz (internal gzip)' '
-	test_config tar.tgz.command "git archive gzip" &&
-	git archive --format=tgz HEAD >internal_gzip.tgz
+test_expect_success GZIP 'git archive --format=tgz (external gzip)' '
+	test_config tar.tgz.command "gzip -cn" &&
+	git archive --format=tgz HEAD >external_gzip.tgz
 '

-test_expect_success 'git archive --format=tar.gz (internal gzip)' '
-	test_config tar.tar.gz.command "git archive gzip" &&
-	git archive --format=tar.gz HEAD >internal_gzip.tar.gz &&
-	test_cmp_bin internal_gzip.tgz internal_gzip.tar.gz
+test_expect_success GZIP 'git archive --format=tar.gz (external gzip)' '
+	test_config tar.tar.gz.command "gzip -cn" &&
+	git archive --format=tar.gz HEAD >external_gzip.tar.gz &&
+	test_cmp_bin external_gzip.tgz external_gzip.tar.gz
 '

-test_expect_success GZIP 'extract tgz file (internal gzip)' '
-	gzip -d -c <internal_gzip.tgz >internal_gzip.tar &&
-	test_cmp_bin b.tar internal_gzip.tar
+test_expect_success GZIP 'extract tgz file (external gzip)' '
+	gzip -d -c <external_gzip.tgz >external_gzip.tar &&
+	test_cmp_bin b.tar external_gzip.tar
 '

 test_expect_success 'archive and :(glob)' '
--
2.36.1
Previous: René ScharfeNext: Junio C Hamano
Message 42 of 74 in “Avoid spawning gzip in git archive”
  1. 0/2 Avoid spawning gzip in git archiveJohannes Schindelin via GitGitGadget, Apr 12, 2019
  2. 1/2 archive: replace write_or_die() calls with write_block_or_die()Rohit Ashiwal via GitGitGadget, Apr 12, 2019
  3. Jeff KingApr 13, 2019
  4. Junio C HamanoApr 13, 2019
  5. Rohit AshiwalApr 14, 2019
  6. Johannes SchindelinApr 26, 2019
  7. Junio C HamanoApr 26, 2019
  8. Johannes SchindelinApr 29, 2019
  9. Jeff KingMay 1, 2019
  10. René ScharfeMay 2, 2019
  11. Junio C HamanoMay 5, 2019
  12. Jeff KingMay 6, 2019
  13. Rohit AshiwalApr 14, 2019
  14. Junio C HamanoApr 14, 2019
  15. Johannes SchindelinApr 26, 2019
  16. Jeff KingMay 1, 2019
  17. 2/2 archive: avoid spawning `gzip`Rohit Ashiwal via GitGitGadget, Apr 12, 2019
  18. Jeff KingApr 13, 2019
  19. René ScharfeApr 13, 2019
  20. Jeff KingApr 15, 2019
  21. Johannes SchindelinApr 26, 2019
  22. René ScharfeApr 27, 2019
  23. René ScharfeApr 27, 2019
  24. Johannes SchindelinApr 29, 2019
  25. René ScharfeMay 1, 2019
  26. Jeff KingMay 1, 2019
  27. René ScharfeJun 10, 2019
  28. Jeff KingJun 13, 2019
  29. brian m. carlsonApr 13, 2019
  30. Jeff KingApr 15, 2019
  31. Johannes SchindelinApr 26, 2019
  32. Ævar Arnfjörð BjarmasonMay 2, 2019
  33. Johannes SchindelinMay 3, 2019
  34. Jeff KingMay 3, 2019
  35. Johannes SchindelinApr 26, 2019
  36. 0/5 Avoid spawning gzip in git archiveRené Scharfe, Jun 12, 2022
  37. 1/5 archive: rename archiver data field to filter_commandRené Scharfe, Jun 12, 2022
  38. 2/5 archive-tar: factor out write_block()René Scharfe, Jun 12, 2022
  39. 3/5 archive-tar: add internal gzip implementationRené Scharfe, Jun 12, 2022
  40. Junio C HamanoJun 13, 2022
  41. 4/5 archive-tar: use OS_CODE 3 (Unix) for internal gzipRené Scharfe, Jun 12, 2022
  42. 5/5 archive-tar: use internal gzip by defaultRené Scharfe, Jun 12, 2022
  43. Junio C HamanoJun 13, 2022
  44. Johannes SchindelinJun 14, 2022
  45. René ScharfeJun 14, 2022
  46. René ScharfeJun 14, 2022
  47. Johannes SchindelinJun 14, 2022
  48. René ScharfeJun 14, 2022
  49. Junio C HamanoJun 15, 2022
  50. Johannes SchindelinJun 14, 2022
  51. René ScharfeJun 14, 2022
  52. Johannes SchindelinJun 30, 2022
  53. Johannes SchindelinJul 1, 2022
  54. Jeff KingJul 1, 2022
  55. Junio C HamanoJul 1, 2022
  56. 0/6 Avoid spawning gzip in git archiveRené Scharfe, Jun 15, 2022
  57. 1/6 archive: update format documentationRené Scharfe, Jun 15, 2022
  58. 2/6 archive: rename archiver data field to filter_commandRené Scharfe, Jun 15, 2022
  59. 3/6 archive-tar: factor out write_block()René Scharfe, Jun 15, 2022
  60. 4/6 archive-tar: add internal gzip implementationRené Scharfe, Jun 15, 2022
  61. Ævar Arnfjörð BjarmasonJun 15, 2022
  62. René ScharfeJun 16, 2022
  63. Ævar Arnfjörð BjarmasonJun 24, 2022
  64. René ScharfeJun 24, 2022
  65. 5/6 archive-tar: use OS_CODE 3 (Unix) for internal gzipRené Scharfe, Jun 15, 2022
  66. 6/6 archive-tar: use internal gzip by defaultRené Scharfe, Jun 15, 2022
  67. René ScharfeMay 2, 2019
  68. René ScharfeMay 2, 2019
  69. Johannes SchindelinMay 8, 2019
  70. Jeff KingMay 8, 2019
  71. Johannes SchindelinMay 9, 2019
  72. Jeff KingMay 9, 2019
  73. René ScharfeMay 10, 2019
  74. Jeff KingMay 10, 2019

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