t4000: make hash size independent

diff --git a/t/t9350-fast-export.sh b/t/t9350-fast-export.sh
index 5690fe28106624f3d666ccdda1dbcdd58673fb13..b4004e05c2a72c4daf95c4ce74b2145a9486efc4 100755 (executable)
--- a/t/t9350-fast-export.sh
+++ b/t/t9350-fast-export.sh
@@ -94,22 +94,83 @@ test_expect_success 'fast-export --show-original-ids | git fast-import' '
        test $MUSS = $(git rev-parse --verify refs/tags/muss)
 '
 
-test_expect_success 'iso-8859-1' '
+test_expect_success 'reencoding iso-8859-7' '
 
-       git config i18n.commitencoding ISO8859-1 &&
-       # use author and committer name in ISO-8859-1 to match it.
-       . "$TEST_DIRECTORY"/t3901/8859-1.txt &&
+       test_when_finished "git reset --hard HEAD~1" &&
+       test_config i18n.commitencoding iso-8859-7 &&
        test_tick &&
        echo rosten >file &&
-       git commit -s -m den file &&
-       git fast-export wer^..wer >iso8859-1.fi &&
-       sed "s/wer/i18n/" iso8859-1.fi |
+       git commit -s -F "$TEST_DIRECTORY/t9350/simple-iso-8859-7-commit-message.txt" file &&
+       git fast-export --reencode=yes wer^..wer >iso-8859-7.fi &&
+       sed "s/wer/i18n/" iso-8859-7.fi |
                (cd new &&
                 git fast-import &&
+                # The commit object, if not re-encoded, would be 240 bytes.
+                # Removing the "encoding iso-8859-7\n" header drops 20 bytes.
+                # Re-encoding the Pi character from \xF0 (\360) in iso-8859-7
+                # to \xCF\x80 (\317\200) in UTF-8 adds a byte.  Check for
+                # the expected size.
+                test 221 -eq "$(git cat-file -s i18n)" &&
+                # ...and for the expected translation of bytes.
                 git cat-file commit i18n >actual &&
-                grep "Áéí óú" actual)
+                grep $(printf "\317\200") actual &&
+                # Also make sure the commit does not have the "encoding" header
+                ! grep ^encoding actual)
+'
+
+test_expect_success 'aborting on iso-8859-7' '
 
+       test_when_finished "git reset --hard HEAD~1" &&
+       test_config i18n.commitencoding iso-8859-7 &&
+       echo rosten >file &&
+       git commit -s -F "$TEST_DIRECTORY/t9350/simple-iso-8859-7-commit-message.txt" file &&
+       test_must_fail git fast-export --reencode=abort wer^..wer >iso-8859-7.fi
 '
+
+test_expect_success 'preserving iso-8859-7' '
+
+       test_when_finished "git reset --hard HEAD~1" &&
+       test_config i18n.commitencoding iso-8859-7 &&
+       echo rosten >file &&
+       git commit -s -F "$TEST_DIRECTORY/t9350/simple-iso-8859-7-commit-message.txt" file &&
+       git fast-export --reencode=no wer^..wer >iso-8859-7.fi &&
+       sed "s/wer/i18n-no-recoding/" iso-8859-7.fi |
+               (cd new &&
+                git fast-import &&
+                # The commit object, if not re-encoded, is 240 bytes.
+                # Removing the "encoding iso-8859-7\n" header would drops 20
+                # bytes.  Re-encoding the Pi character from \xF0 (\360) in
+                # iso-8859-7 to \xCF\x80 (\317\200) in UTF-8 adds a byte.
+                # Check for the expected size...
+                test 240 -eq "$(git cat-file -s i18n-no-recoding)" &&
+                # ...as well as the expected byte.
+                git cat-file commit i18n-no-recoding >actual &&
+                grep $(printf "\360") actual &&
+                # Also make sure the commit has the "encoding" header
+                grep ^encoding actual)
+'
+
+test_expect_success 'encoding preserved if reencoding fails' '
+
+       test_when_finished "git reset --hard HEAD~1" &&
+       test_config i18n.commitencoding iso-8859-7 &&
+       echo rosten >file &&
+       git commit -s -F "$TEST_DIRECTORY/t9350/broken-iso-8859-7-commit-message.txt" file &&
+       git fast-export --reencode=yes wer^..wer >iso-8859-7.fi &&
+       sed "s/wer/i18n-invalid/" iso-8859-7.fi |
+               (cd new &&
+                git fast-import &&
+                git cat-file commit i18n-invalid >actual &&
+                # Make sure the commit still has the encoding header
+                grep ^encoding actual &&
+                # Verify that the commit has the expected size; i.e.
+                # that no bytes were re-encoded to a different encoding.
+                test 252 -eq "$(git cat-file -s i18n-invalid)" &&
+                # ...and check for the original special bytes
+                grep $(printf "\360") actual &&
+                grep $(printf "\377") actual)
+'
+
 test_expect_success 'import/export-marks' '
 
        git checkout -b marks master &&
@@ -224,7 +285,6 @@ GIT_COMMITTER_NAME='C O Mitter'; export GIT_COMMITTER_NAME
 
 test_expect_success 'setup copies' '
 
-       git config --unset i18n.commitencoding &&
        git checkout -b copy rein &&
        git mv file file3 &&
        git commit -m move1 &&