pack-objects: document about thread synchronization

diff --git a/t/t9350-fast-export.sh b/t/t9350-fast-export.sh
index 866ddf60581e3fea1afdbe28e71e7f3137da5722..6a392e87bcc17712961c548c0ee84e11269aef0f 100755 (executable)
--- a/t/t9350-fast-export.sh
+++ b/t/t9350-fast-export.sh
@@ -43,20 +43,20 @@ test_expect_success 'fast-export | fast-import' '
        MUSS=$(git rev-parse --verify muss) &&
        mkdir new &&
        git --git-dir=new/.git init &&
-       git fast-export --all |
+       git fast-export --all >actual &&
        (cd new &&
         git fast-import &&
         test $MASTER = $(git rev-parse --verify refs/heads/master) &&
         test $REIN = $(git rev-parse --verify refs/tags/rein) &&
         test $WER = $(git rev-parse --verify refs/heads/wer) &&
-        test $MUSS = $(git rev-parse --verify refs/tags/muss))
+        test $MUSS = $(git rev-parse --verify refs/tags/muss)) <actual
 
 '
 
 test_expect_success 'fast-export master~2..master' '
 
-       git fast-export master~2..master |
-               sed "s/master/partial/" |
+       git fast-export master~2..master >actual &&
+       sed "s/master/partial/" actual |
                (cd new &&
                 git fast-import &&
                 test $MASTER != $(git rev-parse --verify refs/heads/partial) &&
@@ -74,11 +74,12 @@ test_expect_success 'iso-8859-1' '
        test_tick &&
        echo rosten >file &&
        git commit -s -m den file &&
-       git fast-export wer^..wer |
-               sed "s/wer/i18n/" |
+       git fast-export wer^..wer >iso8859-1.fi &&
+       sed "s/wer/i18n/" iso8859-1.fi |
                (cd new &&
                 git fast-import &&
-                git cat-file commit i18n | grep "Áéí óú")
+                git cat-file commit i18n >actual &&
+                grep "Áéí óú" actual)
 
 '
 test_expect_success 'import/export-marks' '
@@ -87,20 +88,14 @@ test_expect_success 'import/export-marks' '
        git fast-export --export-marks=tmp-marks HEAD &&
        test -s tmp-marks &&
        test_line_count = 3 tmp-marks &&
-       test $(
-               git fast-export --import-marks=tmp-marks\
-               --export-marks=tmp-marks HEAD |
-               grep ^commit |
-               wc -l) \
-       -eq 0 &&
+       git fast-export --import-marks=tmp-marks \
+               --export-marks=tmp-marks HEAD >actual &&
+       test $(grep ^commit actual | wc -l) -eq 0 &&
        echo change > file &&
        git commit -m "last commit" file &&
-       test $(
-               git fast-export --import-marks=tmp-marks \
-               --export-marks=tmp-marks HEAD |
-               grep ^commit\  |
-               wc -l) \
-       -eq 1 &&
+       git fast-export --import-marks=tmp-marks \
+               --export-marks=tmp-marks HEAD >actual &&
+       test $(grep ^commit\  actual | wc -l) -eq 1 &&
        test_line_count = 4 tmp-marks
 
 '
@@ -184,7 +179,7 @@ test_expect_success 'submodule fast-export | fast-import' '
        rm -rf new &&
        mkdir new &&
        git --git-dir=new/.git init &&
-       git fast-export --signed-tags=strip --all |
+       git fast-export --signed-tags=strip --all >actual &&
        (cd new &&
         git fast-import &&
         test "$SUBENT1" = "$(git ls-tree refs/heads/master^ sub)" &&
@@ -192,7 +187,7 @@ test_expect_success 'submodule fast-export | fast-import' '
         git checkout master &&
         git submodule init &&
         git submodule update &&
-        cmp sub/file ../sub/file)
+        cmp sub/file ../sub/file) <actual
 
 '
 
@@ -367,12 +362,14 @@ test_expect_success 'path limiting with import-marks does not lose unmodified fi
        echo more content >> file &&
        test_tick &&
        git commit -mnext file &&
-       git fast-export --import-marks=marks simple -- file file0 | grep file0
+       git fast-export --import-marks=marks simple -- file file0 >actual &&
+       grep file0 actual
 '
 
 test_expect_success 'full-tree re-shows unmodified files'        '
        git checkout -f simple &&
-       test $(git fast-export --full-tree simple | grep -c file0) -eq 3
+       git fast-export --full-tree simple >actual &&
+       test $(grep -c file0 actual) -eq 3
 '
 
 test_expect_success 'set-up a few more tags for tag export tests' '
@@ -505,8 +502,8 @@ test_expect_success 'refs are updated even if no commits need to be exported' '
 '
 
 test_expect_success 'use refspec' '
-       git fast-export --refspec refs/heads/master:refs/heads/foobar master | \
-               grep "^commit " | sort | uniq > actual &&
+       git fast-export --refspec refs/heads/master:refs/heads/foobar master >actual2 &&
+       grep "^commit " actual2 | sort | uniq >actual &&
        echo "commit refs/heads/foobar" > expected &&
        test_cmp expected actual
 '
@@ -534,10 +531,29 @@ test_expect_success 'when using -C, do not declare copy when source of copy is a
        git -C src commit -m 2nd_commit &&
 
        test_create_repo dst &&
-       git -C src fast-export --all -C | git -C dst fast-import &&
+       git -C src fast-export --all -C >actual &&
+       git -C dst fast-import <actual &&
        git -C src show >expected &&
        git -C dst show >actual &&
        test_cmp expected actual
 '
 
+test_expect_success 'merge commit gets exported with --import-marks' '
+       test_create_repo merging &&
+       (
+               cd merging &&
+               test_commit initial &&
+               git checkout -b topic &&
+               test_commit on-topic &&
+               git checkout master &&
+               test_commit on-master &&
+               test_tick &&
+               git merge --no-ff -m Yeah topic &&
+
+               echo ":1 $(git rev-parse HEAD^^)" >marks &&
+               git fast-export --import-marks=marks master >out &&
+               grep Yeah out
+       )
+'
+
 test_done