t9300: demonstrate bug with get-mark and empty orphan commits

diff --git a/t/t5317-pack-objects-filter-objects.sh b/t/t5317-pack-objects-filter-objects.sh
index 6710c8bc8c4699035bec418258fcaec8a634855c..24541ea137517354a8b738bdef34728b49f2850e 100755 (executable)
--- a/t/t5317-pack-objects-filter-objects.sh
+++ b/t/t5317-pack-objects-filter-objects.sh
@@ -21,17 +21,21 @@ test_expect_success 'setup r1' '
 
 test_expect_success 'verify blob count in normal packfile' '
        git -C r1 ls-files -s file.1 file.2 file.3 file.4 file.5 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+               >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r1 pack-objects --rev --stdout >all.pack <<-EOF &&
        HEAD
        EOF
        git -C r1 index-pack ../all.pack &&
-       git -C r1 verify-pack -v ../all.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r1 verify-pack -v ../all.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify blob:none packfile has no blobs' '
@@ -39,24 +43,69 @@ test_expect_success 'verify blob:none packfile has no blobs' '
        HEAD
        EOF
        git -C r1 index-pack ../filter.pack &&
-       git -C r1 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
+
+       git -C r1 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
        nr=$(wc -l <observed) &&
        test 0 -eq $nr
 '
 
 test_expect_success 'verify normal and blob:none packfiles have same commits/trees' '
-       git -C r1 verify-pack -v ../all.pack \
-               | grep -E "commit|tree" \
-               | awk -f print_1.awk \
-               | sort >expected &&
-       git -C r1 verify-pack -v ../filter.pack \
-               | grep -E "commit|tree" \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+       git -C r1 verify-pack -v ../all.pack >verify_result &&
+       grep -E "commit|tree" verify_result |
+       awk -f print_1.awk |
+       sort >expected &&
+
+       git -C r1 verify-pack -v ../filter.pack >verify_result &&
+       grep -E "commit|tree" verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
+'
+
+test_expect_success 'get an error for missing tree object' '
+       git init r5 &&
+       echo foo >r5/foo &&
+       git -C r5 add foo &&
+       git -C r5 commit -m "foo" &&
+       del=$(git -C r5 rev-parse HEAD^{tree} | sed "s|..|&/|") &&
+       rm r5/.git/objects/$del &&
+       test_must_fail git -C r5 pack-objects --rev --stdout 2>bad_tree <<-EOF &&
+       HEAD
+       EOF
+       grep "bad tree object" bad_tree
+'
+
+test_expect_success 'setup for tests of tree:0' '
+       mkdir r1/subtree &&
+       echo "This is a file in a subtree" >r1/subtree/file &&
+       git -C r1 add subtree/file &&
+       git -C r1 commit -m subtree
+'
+
+test_expect_success 'verify tree:0 packfile has no blobs or trees' '
+       git -C r1 pack-objects --rev --stdout --filter=tree:0 >commitsonly.pack <<-EOF &&
+       HEAD
+       EOF
+       git -C r1 index-pack ../commitsonly.pack &&
+       git -C r1 verify-pack -v ../commitsonly.pack >objs &&
+       ! grep -E "tree|blob" objs
+'
+
+test_expect_success 'grab tree directly when using tree:0' '
+       # We should get the tree specified directly but not its blobs or subtrees.
+       git -C r1 pack-objects --rev --stdout --filter=tree:0 >commitsonly.pack <<-EOF &&
+       HEAD:
+       EOF
+       git -C r1 index-pack ../commitsonly.pack &&
+       git -C r1 verify-pack -v ../commitsonly.pack >objs &&
+       awk "/tree|blob/{print \$1}" objs >trees_and_blobs &&
+       git -C r1 rev-parse HEAD: >expected &&
+       test_cmp expected trees_and_blobs
 '
 
 # Test blob:limit=<n>[kmg] filter.
@@ -75,18 +124,21 @@ test_expect_success 'setup r2' '
 '
 
 test_expect_success 'verify blob count in normal packfile' '
-       git -C r2 ls-files -s large.1000 large.10000 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+       git -C r2 ls-files -s large.1000 large.10000 >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r2 pack-objects --rev --stdout >all.pack <<-EOF &&
        HEAD
        EOF
        git -C r2 index-pack ../all.pack &&
-       git -C r2 verify-pack -v ../all.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r2 verify-pack -v ../all.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify blob:limit=500 omits all blobs' '
@@ -94,10 +146,12 @@ test_expect_success 'verify blob:limit=500 omits all blobs' '
        HEAD
        EOF
        git -C r2 index-pack ../filter.pack &&
-       git -C r2 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
+
+       git -C r2 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
        nr=$(wc -l <observed) &&
        test 0 -eq $nr
 '
@@ -107,100 +161,119 @@ test_expect_success 'verify blob:limit=1000' '
        HEAD
        EOF
        git -C r2 index-pack ../filter.pack &&
-       git -C r2 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
+
+       git -C r2 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
        nr=$(wc -l <observed) &&
        test 0 -eq $nr
 '
 
 test_expect_success 'verify blob:limit=1001' '
-       git -C r2 ls-files -s large.1000 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+       git -C r2 ls-files -s large.1000 >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r2 pack-objects --rev --stdout --filter=blob:limit=1001 >filter.pack <<-EOF &&
        HEAD
        EOF
        git -C r2 index-pack ../filter.pack &&
-       git -C r2 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r2 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify blob:limit=10001' '
-       git -C r2 ls-files -s large.1000 large.10000 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+       git -C r2 ls-files -s large.1000 large.10000 >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r2 pack-objects --rev --stdout --filter=blob:limit=10001 >filter.pack <<-EOF &&
        HEAD
        EOF
        git -C r2 index-pack ../filter.pack &&
-       git -C r2 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r2 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify blob:limit=1k' '
-       git -C r2 ls-files -s large.1000 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+       git -C r2 ls-files -s large.1000 >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r2 pack-objects --rev --stdout --filter=blob:limit=1k >filter.pack <<-EOF &&
        HEAD
        EOF
        git -C r2 index-pack ../filter.pack &&
-       git -C r2 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r2 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify explicitly specifying oversized blob in input' '
-       git -C r2 ls-files -s large.1000 large.10000 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+       git -C r2 ls-files -s large.1000 large.10000 >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r2 pack-objects --rev --stdout --filter=blob:limit=1k >filter.pack <<-EOF &&
        HEAD
        $(git -C r2 rev-parse HEAD:large.10000)
        EOF
        git -C r2 index-pack ../filter.pack &&
-       git -C r2 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r2 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify blob:limit=1m' '
-       git -C r2 ls-files -s large.1000 large.10000 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+       git -C r2 ls-files -s large.1000 large.10000 >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r2 pack-objects --rev --stdout --filter=blob:limit=1m >filter.pack <<-EOF &&
        HEAD
        EOF
        git -C r2 index-pack ../filter.pack &&
-       git -C r2 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r2 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify normal and blob:limit packfiles have same commits/trees' '
-       git -C r2 verify-pack -v ../all.pack \
-               | grep -E "commit|tree" \
-               | awk -f print_1.awk \
-               | sort >expected &&
-       git -C r2 verify-pack -v ../filter.pack \
-               | grep -E "commit|tree" \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+       git -C r2 verify-pack -v ../all.pack >verify_result &&
+       grep -E "commit|tree" verify_result |
+       awk -f print_1.awk |
+       sort >expected &&
+
+       git -C r2 verify-pack -v ../filter.pack >verify_result &&
+       grep -E "commit|tree" verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 # Test sparse:path=<path> filter.
@@ -225,71 +298,85 @@ test_expect_success 'setup r3' '
 
 test_expect_success 'verify blob count in normal packfile' '
        git -C r3 ls-files -s sparse1 sparse2 dir1/sparse1 dir1/sparse2 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+               >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r3 pack-objects --rev --stdout >all.pack <<-EOF &&
        HEAD
        EOF
        git -C r3 index-pack ../all.pack &&
-       git -C r3 verify-pack -v ../all.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r3 verify-pack -v ../all.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify sparse:path=pattern1' '
-       git -C r3 ls-files -s dir1/sparse1 dir1/sparse2 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+       git -C r3 ls-files -s dir1/sparse1 dir1/sparse2 >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r3 pack-objects --rev --stdout --filter=sparse:path=../pattern1 >filter.pack <<-EOF &&
        HEAD
        EOF
        git -C r3 index-pack ../filter.pack &&
-       git -C r3 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r3 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify normal and sparse:path=pattern1 packfiles have same commits/trees' '
-       git -C r3 verify-pack -v ../all.pack \
-               | grep -E "commit|tree" \
-               | awk -f print_1.awk \
-               | sort >expected &&
-       git -C r3 verify-pack -v ../filter.pack \
-               | grep -E "commit|tree" \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+       git -C r3 verify-pack -v ../all.pack >verify_result &&
+       grep -E "commit|tree" verify_result |
+       awk -f print_1.awk |
+       sort >expected &&
+
+       git -C r3 verify-pack -v ../filter.pack >verify_result &&
+       grep -E "commit|tree" verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify sparse:path=pattern2' '
-       git -C r3 ls-files -s sparse1 dir1/sparse1 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+       git -C r3 ls-files -s sparse1 dir1/sparse1 >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r3 pack-objects --rev --stdout --filter=sparse:path=../pattern2 >filter.pack <<-EOF &&
        HEAD
        EOF
        git -C r3 index-pack ../filter.pack &&
-       git -C r3 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r3 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify normal and sparse:path=pattern2 packfiles have same commits/trees' '
-       git -C r3 verify-pack -v ../all.pack \
-               | grep -E "commit|tree" \
-               | awk -f print_1.awk \
-               | sort >expected &&
-       git -C r3 verify-pack -v ../filter.pack \
-               | grep -E "commit|tree" \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+       git -C r3 verify-pack -v ../all.pack >verify_result &&
+       grep -E "commit|tree" verify_result |
+       awk -f print_1.awk |
+       sort >expected &&
+
+       git -C r3 verify-pack -v ../filter.pack >verify_result &&
+       grep -E "commit|tree" verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 # Test sparse:oid=<oid-ish> filter.
@@ -313,48 +400,58 @@ test_expect_success 'setup r4' '
 
 test_expect_success 'verify blob count in normal packfile' '
        git -C r4 ls-files -s pattern sparse1 sparse2 dir1/sparse1 dir1/sparse2 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+               >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r4 pack-objects --rev --stdout >all.pack <<-EOF &&
        HEAD
        EOF
        git -C r4 index-pack ../all.pack &&
-       git -C r4 verify-pack -v ../all.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r4 verify-pack -v ../all.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify sparse:oid=OID' '
-       git -C r4 ls-files -s dir1/sparse1 dir1/sparse2 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+       git -C r4 ls-files -s dir1/sparse1 dir1/sparse2 >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        oid=$(git -C r4 ls-files -s pattern | awk -f print_2.awk) &&
        git -C r4 pack-objects --rev --stdout --filter=sparse:oid=$oid >filter.pack <<-EOF &&
        HEAD
        EOF
        git -C r4 index-pack ../filter.pack &&
-       git -C r4 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r4 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 test_expect_success 'verify sparse:oid=oid-ish' '
-       git -C r4 ls-files -s dir1/sparse1 dir1/sparse2 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+       git -C r4 ls-files -s dir1/sparse1 dir1/sparse2 >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        git -C r4 pack-objects --rev --stdout --filter=sparse:oid=master:pattern >filter.pack <<-EOF &&
        HEAD
        EOF
        git -C r4 index-pack ../filter.pack &&
-       git -C r4 verify-pack -v ../filter.pack \
-               | grep blob \
-               | awk -f print_1.awk \
-               | sort >observed &&
-       test_cmp observed expected
+
+       git -C r4 verify-pack -v ../filter.pack >verify_result &&
+       grep blob verify_result |
+       awk -f print_1.awk |
+       sort >observed &&
+
+       test_cmp expected observed
 '
 
 # Delete some loose objects and use pack-objects, but WITHOUT any filtering.
@@ -362,8 +459,10 @@ test_expect_success 'verify sparse:oid=oid-ish' '
 
 test_expect_success 'setup r1 - delete loose blobs' '
        git -C r1 ls-files -s file.1 file.2 file.3 file.4 file.5 \
-               | awk -f print_2.awk \
-               | sort >expected &&
+               >ls_files_result &&
+       awk -f print_2.awk ls_files_result |
+       sort >expected &&
+
        for id in `cat expected | sed "s|..|&/|"`
        do
                rm r1/.git/objects/$id