format-patch: respect --stat in cover letter's diffstat

diff --git a/t/t1300-config.sh b/t/t1300-config.sh
index 84e88cf5a93b167815a1691d640c16b845e9514a..cdf1fed5d1c33e659b5d2c9bfb64423b13f05e94 100755 (executable)
--- a/t/t1300-config.sh
+++ b/t/t1300-config.sh
@@ -885,7 +885,7 @@ EOF
 
 test_expect_success !MINGW 'get --path copes with unset $HOME' '
        (
-               unset HOME;
+               sane_unset HOME &&
                test_must_fail git config --get --path path.home \
                        >result 2>msg &&
                git config --get --path path.normal >>result &&
@@ -1215,6 +1215,93 @@ test_expect_success 'last one wins: three level vars' '
        test_cmp expect actual
 '
 
+test_expect_success 'old-fashioned settings are case insensitive' '
+       test_when_finished "rm -f testConfig testConfig_expect testConfig_actual" &&
+
+       cat >testConfig_actual <<-EOF &&
+               [V.A]
+               r = value1
+       EOF
+       q_to_tab >testConfig_expect <<-EOF &&
+               [V.A]
+               Qr = value2
+       EOF
+       git config -f testConfig_actual "v.a.r" value2 &&
+       test_cmp testConfig_expect testConfig_actual &&
+
+       cat >testConfig_actual <<-EOF &&
+               [V.A]
+               r = value1
+       EOF
+       q_to_tab >testConfig_expect <<-EOF &&
+               [V.A]
+               QR = value2
+       EOF
+       git config -f testConfig_actual "V.a.R" value2 &&
+       test_cmp testConfig_expect testConfig_actual &&
+
+       cat >testConfig_actual <<-EOF &&
+               [V.A]
+               r = value1
+       EOF
+       q_to_tab >testConfig_expect <<-EOF &&
+               [V.A]
+               r = value1
+               Qr = value2
+       EOF
+       git config -f testConfig_actual "V.A.r" value2 &&
+       test_cmp testConfig_expect testConfig_actual &&
+
+       cat >testConfig_actual <<-EOF &&
+               [V.A]
+               r = value1
+       EOF
+       q_to_tab >testConfig_expect <<-EOF &&
+               [V.A]
+               r = value1
+               Qr = value2
+       EOF
+       git config -f testConfig_actual "v.A.r" value2 &&
+       test_cmp testConfig_expect testConfig_actual
+'
+
+test_expect_success 'setting different case sensitive subsections ' '
+       test_when_finished "rm -f testConfig testConfig_expect testConfig_actual" &&
+
+       cat >testConfig_actual <<-EOF &&
+               [V "A"]
+               R = v1
+               [K "E"]
+               Y = v1
+               [a "b"]
+               c = v1
+               [d "e"]
+               f = v1
+       EOF
+       q_to_tab >testConfig_expect <<-EOF &&
+               [V "A"]
+               Qr = v2
+               [K "E"]
+               Qy = v2
+               [a "b"]
+               Qc = v2
+               [d "e"]
+               f = v1
+               [d "E"]
+               Qf = v2
+       EOF
+       # exact match
+       git config -f testConfig_actual a.b.c v2 &&
+       # match section and subsection, key is cased differently.
+       git config -f testConfig_actual K.E.y v2 &&
+       # section and key are matched case insensitive, but subsection needs
+       # to match; When writing out new values only the key is adjusted
+       git config -f testConfig_actual v.A.r v2 &&
+       # subsection is not matched:
+       git config -f testConfig_actual d.E.f v2 &&
+       test_cmp testConfig_expect testConfig_actual
+'
+
 for VAR in a .a a. a.0b a."b c". a."b c".0d
 do
        test_expect_success "git -c $VAR=VAL rejects invalid '$VAR'" '