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diff --git a/t/t5000-tar-tree.sh b/t/t5000-tar-tree.sh
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+#!/bin/sh
+#
+# Copyright (C) 2005 Rene Scharfe
+#
+
+test_description='git-tar-tree and git-get-tar-commit-id test
+
+This test covers the topics of file contents, commit date handling and
+commit id embedding:
+
+  The contents of the repository is compared to the extracted tar
+  archive.  The repository contains simple text files, symlinks and a
+  binary file (/bin/sh).  Only pathes shorter than 99 characters are
+  used.
+
+  git-tar-tree applies the commit date to every file in the archive it
+  creates.  The test sets the commit date to a specific value and checks
+  if the tar archive contains that value.
+
+  When giving git-tar-tree a commit id (in contrast to a tree id) it
+  embeds this commit id into the tar archive as a comment.  The test
+  checks the ability of git-get-tar-commit-id to figure it out from the
+  tar file.
+
+'
+
+. ./test-lib.sh
+TAR=${TAR:-tar}
+
+test_expect_success \
+    'populate workdir' \
+    'mkdir a b c &&
+     echo simple textfile >a/a &&
+     mkdir a/bin &&
+     cp /bin/sh a/bin &&
+     ln -s a a/l1 &&
+     (p=long_path_to_a_file && cd a &&
+      for depth in 1 2 3 4 5; do mkdir $p && cd $p; done &&
+      echo text >file_with_long_path) &&
+     (cd a && find .) | sort >a.lst'
+
+test_expect_success \
+    'add files to repository' \
+    'find a -type f | xargs git-update-index --add &&
+     find a -type l | xargs git-update-index --add &&
+     treeid=`git-write-tree` &&
+     echo $treeid >treeid &&
+     git-update-ref HEAD $(TZ=GMT GIT_COMMITTER_DATE="2005-05-27 22:00:00" \
+     git-commit-tree $treeid </dev/null)'
+
+test_expect_success \
+    'git-tar-tree' \
+    'git-tar-tree HEAD >b.tar'
+
+test_expect_success \
+    'validate file modification time' \
+    'TZ=GMT $TAR tvf b.tar a/a |
+     awk \{print\ \$4,\ \(length\(\$5\)\<7\)\ ?\ \$5\":00\"\ :\ \$5\} \
+     >b.mtime &&
+     echo "2005-05-27 22:00:00" >expected.mtime &&
+     diff expected.mtime b.mtime'
+
+test_expect_success \
+    'git-get-tar-commit-id' \
+    'git-get-tar-commit-id <b.tar >b.commitid &&
+     diff .git/$(git-symbolic-ref HEAD) b.commitid'
+
+test_expect_success \
+    'extract tar archive' \
+    '(cd b && $TAR xf -) <b.tar'
+
+test_expect_success \
+    'validate filenames' \
+    '(cd b/a && find .) | sort >b.lst &&
+     diff a.lst b.lst'
+
+test_expect_success \
+    'validate file contents' \
+    'diff -r a b/a'
+
+test_expect_success \
+    'git-tar-tree with prefix' \
+    'git-tar-tree HEAD prefix >c.tar'
+
+test_expect_success \
+    'extract tar archive with prefix' \
+    '(cd c && $TAR xf -) <c.tar'
+
+test_expect_success \
+    'validate filenames with prefix' \
+    '(cd c/prefix/a && find .) | sort >c.lst &&
+     diff a.lst c.lst'
+
+test_expect_success \
+    'validate file contents with prefix' \
+    'diff -r a c/prefix/a'
+
+test_done