test-lib.sh: introduce and use $EMPTY_BLOB

Similar to $EMPTY_TREE this makes it easier to recognize this special
SHA-1 and change hash later.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/t/t1011-read-tree-sparse-checkout.sh b/t/t1011-read-tree-sparse-checkout.sh
index 0c74bee..2563d18 100755 (executable)
--- a/t/t1011-read-tree-sparse-checkout.sh
+++ b/t/t1011-read-tree-sparse-checkout.sh
@@ -15,11 +15,11 @@ test_description='sparse checkout tests
 . "$TEST_DIRECTORY"/lib-read-tree.sh
 
 test_expect_success 'setup' '
-       cat >expected <<-\EOF &&
+       cat >expected <<-EOF &&
        100644 77f0ba1734ed79d12881f81b36ee134de6a3327b 0       init.t
-       100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       sub/added
-       100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       sub/addedtoo
-       100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0       subsub/added
+       100644 $EMPTY_BLOB 0    sub/added
+       100644 $EMPTY_BLOB 0    sub/addedtoo
+       100644 $EMPTY_BLOB 0    subsub/added
        EOF
        cat >expected.swt <<-\EOF &&
        H init.t

diff --git a/t/t1700-split-index.sh b/t/t1700-split-index.sh
index 8aef49f..292a072 100755 (executable)
--- a/t/t1700-split-index.sh
+++ b/t/t1700-split-index.sh
@@ -33,14 +33,14 @@ test_expect_success 'add one file' '
        git update-index --add one &&
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
        test-dump-split-index .git/index | sed "/^own/d" >actual &&
        cat >expect <<EOF &&
 base $base
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 replacements:
 deletions:
 EOF
@@ -51,7 +51,7 @@ test_expect_success 'disable split index' '
        git update-index --no-split-index &&
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
@@ -67,7 +67,7 @@ test_expect_success 'enable split index again, "one" now belongs to base index"'
        git update-index --split-index &&
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
@@ -105,7 +105,7 @@ test_expect_success 'add another file, which stays index' '
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0      one
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      two
+100644 $EMPTY_BLOB 0   two
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
@@ -113,7 +113,7 @@ EOF
        q_to_tab >expect <<EOF &&
 $BASE
 100644 2e0996000b7e9019eabcad29391bf0f5c7702f0b 0Q
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      two
+100644 $EMPTY_BLOB 0   two
 replacements: 0
 deletions:
 EOF
@@ -159,14 +159,14 @@ test_expect_success 'add original file back' '
        git update-index --add one &&
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 
        test-dump-split-index .git/index | sed "/^own/d" >actual &&
        cat >expect <<EOF &&
 $BASE
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
+100644 $EMPTY_BLOB 0   one
 replacements:
 deletions: 0
 EOF
@@ -178,8 +178,8 @@ test_expect_success 'add new file' '
        git update-index --add two &&
        git ls-files --stage >actual &&
        cat >expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      two
+100644 $EMPTY_BLOB 0   one
+100644 $EMPTY_BLOB 0   two
 EOF
        test_cmp expect actual
 '
@@ -188,8 +188,8 @@ test_expect_success 'unify index, two files remain' '
        git update-index --no-split-index &&
        git ls-files --stage >ls-files.actual &&
        cat >ls-files.expect <<EOF &&
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      one
-100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0      two
+100644 $EMPTY_BLOB 0   one
+100644 $EMPTY_BLOB 0   two
 EOF
        test_cmp ls-files.expect ls-files.actual &&
 

diff --git a/t/t3102-ls-tree-wildcards.sh b/t/t3102-ls-tree-wildcards.sh
index 4d4b02e..e804377 100755 (executable)
--- a/t/t3102-ls-tree-wildcards.sh
+++ b/t/t3102-ls-tree-wildcards.sh
@@ -12,16 +12,16 @@ test_expect_success 'setup' '
 '
 
 test_expect_success 'ls-tree a[a] matches literally' '
-       cat >expect <<-\EOF &&
-       100644 blob e69de29bb2d1d6434b8b29ae775ad8c2e48c5391    a[a]/three
+       cat >expect <<-EOF &&
+       100644 blob $EMPTY_BLOB a[a]/three
        EOF
        git ls-tree -r HEAD "a[a]" >actual &&
        test_cmp expect actual
 '
 
 test_expect_success 'ls-tree outside prefix' '
-       cat >expect <<-\EOF &&
-       100644 blob e69de29bb2d1d6434b8b29ae775ad8c2e48c5391    ../a[a]/three
+       cat >expect <<-EOF &&
+       100644 blob $EMPTY_BLOB ../a[a]/three
        EOF
        ( cd aa && git ls-tree -r HEAD "../a[a]"; ) >actual &&
        test_cmp expect actual

diff --git a/t/t7011-skip-worktree-reading.sh b/t/t7011-skip-worktree-reading.sh
index 88d60c1..84f4145 100755 (executable)
--- a/t/t7011-skip-worktree-reading.sh
+++ b/t/t7011-skip-worktree-reading.sh
@@ -23,17 +23,15 @@ S sub/1
 H sub/2
 EOF
 
-NULL_SHA1=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
-
 setup_absent() {
        test -f 1 && rm 1
        git update-index --remove 1 &&
-       git update-index --add --cacheinfo 100644 $NULL_SHA1 1 &&
+       git update-index --add --cacheinfo 100644 $EMPTY_BLOB 1 &&
        git update-index --skip-worktree 1
 }
 
 test_absent() {
-       echo "100644 $NULL_SHA1 0       1" > expected &&
+       echo "100644 $EMPTY_BLOB 0      1" > expected &&
        git ls-files --stage 1 > result &&
        test_cmp expected result &&
        test ! -f 1
@@ -42,12 +40,12 @@ test_absent() {
 setup_dirty() {
        git update-index --force-remove 1 &&
        echo dirty > 1 &&
-       git update-index --add --cacheinfo 100644 $NULL_SHA1 1 &&
+       git update-index --add --cacheinfo 100644 $EMPTY_BLOB 1 &&
        git update-index --skip-worktree 1
 }
 
 test_dirty() {
-       echo "100644 $NULL_SHA1 0       1" > expected &&
+       echo "100644 $EMPTY_BLOB 0      1" > expected &&
        git ls-files --stage 1 > result &&
        test_cmp expected result &&
        echo dirty > expected
@@ -120,7 +118,7 @@ test_expect_success 'grep with skip-worktree file' '
        test "$(git grep --no-ext-grep test)" = "1:test"
 '
 
-echo ":000000 100644 $_z40 $NULL_SHA1 A        1" > expected
+echo ":000000 100644 $_z40 $EMPTY_BLOB A       1" > expected
 test_expect_success 'diff-index does not examine skip-worktree absent entries' '
        setup_absent &&
        git diff-index HEAD -- 1 > result &&

diff --git a/t/t7012-skip-worktree-writing.sh b/t/t7012-skip-worktree-writing.sh
index 9ceaa40..9d1abe5 100755 (executable)
--- a/t/t7012-skip-worktree-writing.sh
+++ b/t/t7012-skip-worktree-writing.sh
@@ -53,17 +53,15 @@ test_expect_success 'read-tree removes worktree, dirty case' '
        git update-index --no-skip-worktree added
 '
 
-NULL_SHA1=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
-
 setup_absent() {
        test -f 1 && rm 1
        git update-index --remove 1 &&
-       git update-index --add --cacheinfo 100644 $NULL_SHA1 1 &&
+       git update-index --add --cacheinfo 100644 $EMPTY_BLOB 1 &&
        git update-index --skip-worktree 1
 }
 
 test_absent() {
-       echo "100644 $NULL_SHA1 0       1" > expected &&
+       echo "100644 $EMPTY_BLOB 0      1" > expected &&
        git ls-files --stage 1 > result &&
        test_cmp expected result &&
        test ! -f 1
@@ -72,12 +70,12 @@ test_absent() {
 setup_dirty() {
        git update-index --force-remove 1 &&
        echo dirty > 1 &&
-       git update-index --add --cacheinfo 100644 $NULL_SHA1 1 &&
+       git update-index --add --cacheinfo 100644 $EMPTY_BLOB 1 &&
        git update-index --skip-worktree 1
 }
 
 test_dirty() {
-       echo "100644 $NULL_SHA1 0       1" > expected &&
+       echo "100644 $EMPTY_BLOB 0      1" > expected &&
        git ls-files --stage 1 > result &&
        test_cmp expected result &&
        echo dirty > expected

diff --git a/t/t7063-status-untracked-cache.sh b/t/t7063-status-untracked-cache.sh
index a971884..a828a5f 100755 (executable)
--- a/t/t7063-status-untracked-cache.sh
+++ b/t/t7063-status-untracked-cache.sh
@@ -53,7 +53,7 @@ A  two
 EOF
 
 cat >../dump.expect <<EOF &&
-info/exclude e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
+info/exclude $EMPTY_BLOB
 core.excludesfile 0000000000000000000000000000000000000000
 exclude_per_dir .gitignore
 flags 00000006
@@ -137,7 +137,7 @@ EOF
 test_expect_success 'verify untracked cache dump' '
        test-dump-untracked-cache >../actual &&
        cat >../expect <<EOF &&
-info/exclude e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
+info/exclude $EMPTY_BLOB
 core.excludesfile 0000000000000000000000000000000000000000
 exclude_per_dir .gitignore
 flags 00000006
@@ -184,7 +184,7 @@ EOF
 test_expect_success 'verify untracked cache dump' '
        test-dump-untracked-cache >../actual &&
        cat >../expect <<EOF &&
-info/exclude e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
+info/exclude $EMPTY_BLOB
 core.excludesfile 0000000000000000000000000000000000000000
 exclude_per_dir .gitignore
 flags 00000006

diff --git a/t/t7508-status.sh b/t/t7508-status.sh
index c3ed7cb..a42aef8 100755 (executable)
--- a/t/t7508-status.sh
+++ b/t/t7508-status.sh
@@ -803,7 +803,7 @@ EOF
 '
 
 cat >expect <<EOF
-:100644 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0000000000000000000000000000000000000000 M     dir1/modified
+:100644 100644 $EMPTY_BLOB 0000000000000000000000000000000000000000 M  dir1/modified
 EOF
 test_expect_success 'status refreshes the index' '
        touch dir2/added &&

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 85f4c6d..9f36091 100644 (file)
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -163,6 +163,7 @@ _x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
 _z40=0000000000000000000000000000000000000000
 
 EMPTY_TREE=4b825dc642cb6eb9a060e54bf8d69288fbee4904
+EMPTY_BLOB=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391
 
 # Line feed
 LF='
@@ -172,7 +173,7 @@ LF='
 # when case-folding filenames
 u200c=$(printf '\342\200\214')
 
-export _x05 _x40 _z40 LF u200c EMPTY_TREE
+export _x05 _x40 _z40 LF u200c EMPTY_TREE EMPTY_BLOB
 
 # Each test should start with something like this, after copyright notices:
 #