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-rwxr-xr-xt/t4212-log-corrupt.sh89
1 files changed, 89 insertions, 0 deletions
diff --git a/t/t4212-log-corrupt.sh b/t/t4212-log-corrupt.sh
new file mode 100755
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--- /dev/null
+++ b/t/t4212-log-corrupt.sh
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+#!/bin/sh
+
+test_description='git log with invalid commit headers'
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ test_commit foo &&
+
+ git cat-file commit HEAD |
+ sed "/^author /s/>/>-<>/" >broken_email.commit &&
+ git hash-object -w -t commit broken_email.commit >broken_email.hash &&
+ git update-ref refs/heads/broken_email $(cat broken_email.hash)
+'
+
+test_expect_success 'fsck notices broken commit' '
+ test_must_fail git fsck 2>actual &&
+ test_i18ngrep invalid.author actual
+'
+
+test_expect_success 'git log with broken author email' '
+ {
+ echo commit $(cat broken_email.hash) &&
+ echo "Author: A U Thor <author@example.com>" &&
+ echo "Date: Thu Apr 7 15:13:13 2005 -0700" &&
+ echo &&
+ echo " foo"
+ } >expect.out &&
+
+ git log broken_email >actual.out 2>actual.err &&
+
+ test_cmp expect.out actual.out &&
+ test_must_be_empty actual.err
+'
+
+test_expect_success 'git log --format with broken author email' '
+ echo "A U Thor+author@example.com+Thu Apr 7 15:13:13 2005 -0700" >expect.out &&
+
+ git log --format="%an+%ae+%ad" broken_email >actual.out 2>actual.err &&
+
+ test_cmp expect.out actual.out &&
+ test_must_be_empty actual.err
+'
+
+munge_author_date () {
+ git cat-file commit "$1" >commit.orig &&
+ sed "s/^\(author .*>\) [0-9]*/\1 $2/" <commit.orig >commit.munge &&
+ git hash-object -w -t commit commit.munge
+}
+
+test_expect_success 'unparsable dates produce sentinel value' '
+ commit=$(munge_author_date HEAD totally_bogus) &&
+ echo "Date: Thu Jan 1 00:00:00 1970 +0000" >expect &&
+ git log -1 $commit >actual.full &&
+ grep Date <actual.full >actual &&
+ test_cmp expect actual
+'
+
+test_expect_success 'unparsable dates produce sentinel value (%ad)' '
+ commit=$(munge_author_date HEAD totally_bogus) &&
+ echo >expect &&
+ git log -1 --format=%ad $commit >actual &&
+ test_cmp expect actual
+'
+
+# date is 2^64 + 1
+test_expect_success 'date parser recognizes integer overflow' '
+ commit=$(munge_author_date HEAD 18446744073709551617) &&
+ echo "Thu Jan 1 00:00:00 1970 +0000" >expect &&
+ git log -1 --format=%ad $commit >actual &&
+ test_cmp expect actual
+'
+
+# date is 2^64 - 2
+test_expect_success 'date parser recognizes time_t overflow' '
+ commit=$(munge_author_date HEAD 18446744073709551614) &&
+ echo "Thu Jan 1 00:00:00 1970 +0000" >expect &&
+ git log -1 --format=%ad $commit >actual &&
+ test_cmp expect actual
+'
+
+# date is within 2^63-1, but enough to choke glibc's gmtime
+test_expect_success 'absurdly far-in-future date' '
+ commit=$(munge_author_date HEAD 999999999999999999) &&
+ git log -1 --format=%ad $commit
+'
+
+test_done