#!/bin/sh
#
# Copyright (c) 2005 Johannes Schindelin
#

test_description='Test git config in different settings'

. ./test-lib.sh

test_expect_success 'clear default config' '
        rm -f .git/config
'

cat > expect << EOF
[core]
        penguin = little blue
EOF
test_expect_success 'initial' '
        git config core.penguin "little blue" &&
        test_cmp expect .git/config
'

cat > expect << EOF
[core]
        penguin = little blue
        Movie = BadPhysics
EOF
test_expect_success 'mixed case' '
        git config Core.Movie BadPhysics &&
        test_cmp expect .git/config
'

cat > expect << EOF
[core]
        penguin = little blue
        Movie = BadPhysics
[Cores]
        WhatEver = Second
EOF
test_expect_success 'similar section' '
        git config Cores.WhatEver Second &&
        test_cmp expect .git/config
'

cat > expect << EOF
[core]
        penguin = little blue
        Movie = BadPhysics
        UPPERCASE = true
[Cores]
        WhatEver = Second
EOF
test_expect_success 'uppercase section' '
        git config CORE.UPPERCASE true &&
        test_cmp expect .git/config
'

test_expect_success 'replace with non-match' '
        git config core.penguin kingpin !blue
'

test_expect_success 'replace with non-match (actually matching)' '
        git config core.penguin "very blue" !kingpin
'

cat > expect << EOF
[core]
        penguin = very blue
        Movie = BadPhysics
        UPPERCASE = true
        penguin = kingpin
[Cores]
        WhatEver = Second
EOF

test_expect_success 'non-match result' 'test_cmp expect .git/config'

test_expect_success 'find mixed-case key by canonical name' '
        echo Second >expect &&
        git config cores.whatever >actual &&
        test_cmp expect actual
'

test_expect_success 'find mixed-case key by non-canonical name' '
        echo Second >expect &&
        git config CoReS.WhAtEvEr >actual &&
        test_cmp expect actual
'

test_expect_success 'subsections are not canonicalized by git-config' '
        cat >>.git/config <<-\EOF &&
        [section.SubSection]
        key = one
        [section "SubSection"]
        key = two
        EOF
        echo one >expect &&
        git config section.subsection.key >actual &&
        test_cmp expect actual &&
        echo two >expect &&
        git config section.SubSection.key >actual &&
        test_cmp expect actual
'

cat > .git/config <<\EOF
[alpha]
bar = foo
[beta]
baz = multiple \
lines
EOF

test_expect_success 'unset with cont. lines' '
        git config --unset beta.baz
'

cat > expect <<\EOF
[alpha]
bar = foo
[beta]
EOF

test_expect_success 'unset with cont. lines is correct' 'test_cmp expect .git/config'

cat > .git/config << EOF
[beta] ; silly comment # another comment
noIndent= sillyValue ; 'nother silly comment

# empty line
                ; comment
                haha   ="beta" # last silly comment
haha = hello
        haha = bello
[nextSection] noNewline = ouch
EOF

cp .git/config .git/config2

test_expect_success 'multiple unset' '
        git config --unset-all beta.haha
'

cat > expect << EOF
[beta] ; silly comment # another comment
noIndent= sillyValue ; 'nother silly comment

# empty line
                ; comment
[nextSection] noNewline = ouch
EOF

test_expect_success 'multiple unset is correct' '
        test_cmp expect .git/config
'

cp .git/config2 .git/config

test_expect_success '--replace-all missing value' '
        test_must_fail git config --replace-all beta.haha &&
        test_cmp .git/config2 .git/config
'

rm .git/config2

test_expect_success '--replace-all' '
        git config --replace-all beta.haha gamma
'

cat > expect << EOF
[beta] ; silly comment # another comment
noIndent= sillyValue ; 'nother silly comment

# empty line
                ; comment
        haha = gamma
[nextSection] noNewline = ouch
EOF

test_expect_success 'all replaced' '
        test_cmp expect .git/config
'

cat > expect << EOF
[beta] ; silly comment # another comment
noIndent= sillyValue ; 'nother silly comment

# empty line
                ; comment
        haha = alpha
[nextSection] noNewline = ouch
EOF
test_expect_success 'really mean test' '
        git config beta.haha alpha &&
        test_cmp expect .git/config
'

cat > expect << EOF
[beta] ; silly comment # another comment
noIndent= sillyValue ; 'nother silly comment

# empty line
                ; comment
        haha = alpha
[nextSection]
        nonewline = wow
EOF
test_expect_success 'really really mean test' '
        git config nextsection.nonewline wow &&
        test_cmp expect .git/config
'

test_expect_success 'get value' '
        echo alpha >expect &&
        git config beta.haha >actual &&
        test_cmp expect actual
'

cat > expect << EOF
[beta] ; silly comment # another comment
noIndent= sillyValue ; 'nother silly comment

# empty line
                ; comment
[nextSection]
        nonewline = wow
EOF
test_expect_success 'unset' '
        git config --unset beta.haha &&
        test_cmp expect .git/config
'

cat > expect << EOF
[beta] ; silly comment # another comment
noIndent= sillyValue ; 'nother silly comment

# empty line
                ; comment
[nextSection]
        nonewline = wow
        NoNewLine = wow2 for me
EOF
test_expect_success 'multivar' '
        git config nextsection.NoNewLine "wow2 for me" "for me$" &&
        test_cmp expect .git/config
'

test_expect_success 'non-match' '
        git config --get nextsection.nonewline !for
'

test_expect_success 'non-match value' '
        echo wow >expect &&
        git config --get nextsection.nonewline !for >actual &&
        test_cmp expect actual
'

test_expect_success 'multi-valued get returns final one' '
        echo "wow2 for me" >expect &&
        git config --get nextsection.nonewline >actual &&
        test_cmp expect actual
'

test_expect_success 'multi-valued get-all returns all' '
        cat >expect <<-\EOF &&
        wow
        wow2 for me
        EOF
        git config --get-all nextsection.nonewline >actual &&
        test_cmp expect actual
'

cat > expect << EOF
[beta] ; silly comment # another comment
noIndent= sillyValue ; 'nother silly comment

# empty line
                ; comment
[nextSection]
        nonewline = wow3
        NoNewLine = wow2 for me
EOF
test_expect_success 'multivar replace' '
        git config nextsection.nonewline "wow3" "wow$" &&
        test_cmp expect .git/config
'

test_expect_success 'ambiguous unset' '
        test_must_fail git config --unset nextsection.nonewline
'

test_expect_success 'invalid unset' '
        test_must_fail git config --unset somesection.nonewline
'

cat > expect << EOF
[beta] ; silly comment # another comment
noIndent= sillyValue ; 'nother silly comment

# empty line
                ; comment
[nextSection]
        NoNewLine = wow2 for me
EOF

test_expect_success 'multivar unset' '
        git config --unset nextsection.nonewline "wow3$" &&
        test_cmp expect .git/config
'

test_expect_success 'invalid key' 'test_must_fail git config inval.2key blabla'

test_expect_success 'correct key' 'git config 123456.a123 987'

test_expect_success 'hierarchical section' '
        git config Version.1.2.3eX.Alpha beta
'

cat > expect << EOF
[beta] ; silly comment # another comment
noIndent= sillyValue ; 'nother silly comment

# empty line
                ; comment
[nextSection]
        NoNewLine = wow2 for me
[123456]
        a123 = 987
[Version "1.2.3eX"]
        Alpha = beta
EOF

test_expect_success 'hierarchical section value' '
        test_cmp expect .git/config
'

cat > expect << EOF
beta.noindent=sillyValue
nextsection.nonewline=wow2 for me
123456.a123=987
version.1.2.3eX.alpha=beta
EOF

test_expect_success 'working --list' '
        git config --list > output &&
        test_cmp expect output
'
cat > expect << EOF
EOF

test_expect_success '--list without repo produces empty output' '
        git --git-dir=nonexistent config --list >output &&
        test_cmp expect output
'

cat > expect << EOF
beta.noindent sillyValue
nextsection.nonewline wow2 for me
EOF

test_expect_success '--get-regexp' '
        git config --get-regexp in >output &&
        test_cmp expect output
'

cat > expect << EOF
wow2 for me
wow4 for you
EOF

test_expect_success '--add' '
        git config --add nextsection.nonewline "wow4 for you" &&
        git config --get-all nextsection.nonewline > output &&
        test_cmp expect output
'

cat > .git/config << EOF
[novalue]
        variable
[emptyvalue]
        variable =
EOF

test_expect_success 'get variable with no value' '
        git config --get novalue.variable ^$
'

test_expect_success 'get variable with empty value' '
        git config --get emptyvalue.variable ^$
'

echo novalue.variable > expect

test_expect_success 'get-regexp variable with no value' '
        git config --get-regexp novalue > output &&
        test_cmp expect output
'

echo 'novalue.variable true' > expect

test_expect_success 'get-regexp --bool variable with no value' '
        git config --bool --get-regexp novalue > output &&
        test_cmp expect output
'

echo 'emptyvalue.variable ' > expect

test_expect_success 'get-regexp variable with empty value' '
        git config --get-regexp emptyvalue > output &&
        test_cmp expect output
'

echo true > expect

test_expect_success 'get bool variable with no value' '
        git config --bool novalue.variable > output &&
        test_cmp expect output
'

echo false > expect

test_expect_success 'get bool variable with empty value' '
        git config --bool emptyvalue.variable > output &&
        test_cmp expect output
'

test_expect_success 'no arguments, but no crash' '
        test_must_fail git config >output 2>&1 &&
        test_i18ngrep usage output
'

cat > .git/config << EOF
[a.b]
        c = d
EOF

cat > expect << EOF
[a.b]
        c = d
[a]
        x = y
EOF

test_expect_success 'new section is partial match of another' '
        git config a.x y &&
        test_cmp expect .git/config
'

cat > expect << EOF
[a.b]
        c = d
[a]
        x = y
        b = c
[b]
        x = y
EOF

test_expect_success 'new variable inserts into proper section' '
        git config b.x y &&
        git config a.b c &&
        test_cmp expect .git/config
'

test_expect_success 'alternative GIT_CONFIG (non-existing file should fail)' '
        test_must_fail git config --file non-existing-config -l
'

cat > other-config << EOF
[ein]
        bahn = strasse
EOF

cat > expect << EOF
ein.bahn=strasse
EOF

test_expect_success 'alternative GIT_CONFIG' '
        GIT_CONFIG=other-config git config -l >output &&
        test_cmp expect output
'

test_expect_success 'alternative GIT_CONFIG (--file)' '
        git config --file other-config -l > output &&
        test_cmp expect output
'

test_expect_success 'refer config from subdirectory' '
        mkdir x &&
        (
                cd x &&
                echo strasse >expect &&
                git config --get --file ../other-config ein.bahn >actual &&
                test_cmp expect actual
        )

'

test_expect_success 'refer config from subdirectory via GIT_CONFIG' '
        (
                cd x &&
                GIT_CONFIG=../other-config git config --get ein.bahn >actual &&
                test_cmp expect actual
        )
'

cat > expect << EOF
[ein]
        bahn = strasse
[anwohner]
        park = ausweis
EOF

test_expect_success '--set in alternative GIT_CONFIG' '
        GIT_CONFIG=other-config git config anwohner.park ausweis &&
        test_cmp expect other-config
'

cat > .git/config << EOF
# Hallo
        #Bello
[branch "eins"]
        x = 1
[branch.eins]
        y = 1
        [branch "1 234 blabl/a"]
weird
EOF

test_expect_success 'rename section' '
        git config --rename-section branch.eins branch.zwei
'

cat > expect << EOF
# Hallo
        #Bello
[branch "zwei"]
        x = 1
[branch "zwei"]
        y = 1
        [branch "1 234 blabl/a"]
weird
EOF

test_expect_success 'rename succeeded' '
        test_cmp expect .git/config
'

test_expect_success 'rename non-existing section' '
        test_must_fail git config --rename-section \
                branch."world domination" branch.drei
'

test_expect_success 'rename succeeded' '
        test_cmp expect .git/config
'

test_expect_success 'rename another section' '
        git config --rename-section branch."1 234 blabl/a" branch.drei
'

cat > expect << EOF
# Hallo
        #Bello
[branch "zwei"]
        x = 1
[branch "zwei"]
        y = 1
[branch "drei"]
weird
EOF

test_expect_success 'rename succeeded' '
        test_cmp expect .git/config
'

cat >> .git/config << EOF
[branch "vier"] z = 1
EOF

test_expect_success 'rename a section with a var on the same line' '
        git config --rename-section branch.vier branch.zwei
'

cat > expect << EOF
# Hallo
        #Bello
[branch "zwei"]
        x = 1
[branch "zwei"]
        y = 1
[branch "drei"]
weird
[branch "zwei"]
        z = 1
EOF

test_expect_success 'rename succeeded' '
        test_cmp expect .git/config
'

test_expect_success 'renaming empty section name is rejected' '
        test_must_fail git config --rename-section branch.zwei ""
'

test_expect_success 'renaming to bogus section is rejected' '
        test_must_fail git config --rename-section branch.zwei "bogus name"
'

cat >> .git/config << EOF
  [branch "zwei"] a = 1 [branch "vier"]
EOF

test_expect_success 'remove section' '
        git config --remove-section branch.zwei
'

cat > expect << EOF
# Hallo
        #Bello
[branch "drei"]
weird
EOF

test_expect_success 'section was removed properly' '
        test_cmp expect .git/config
'

cat > expect << EOF
[gitcvs]
        enabled = true
        dbname = %Ggitcvs2.%a.%m.sqlite
[gitcvs "ext"]
        dbname = %Ggitcvs1.%a.%m.sqlite
EOF

test_expect_success 'section ending' '
        rm -f .git/config &&
        git config gitcvs.enabled true &&
        git config gitcvs.ext.dbname %Ggitcvs1.%a.%m.sqlite &&
        git config gitcvs.dbname %Ggitcvs2.%a.%m.sqlite &&
        test_cmp expect .git/config

'

test_expect_success numbers '
        git config kilo.gram 1k &&
        git config mega.ton 1m &&
        echo 1024 >expect &&
        echo 1048576 >>expect &&
        git config --int --get kilo.gram >actual &&
        git config --int --get mega.ton >>actual &&
        test_cmp expect actual
'

test_expect_success 'invalid unit' '
        git config aninvalid.unit "1auto" &&
        echo 1auto >expect &&
        git config aninvalid.unit >actual &&
        test_cmp expect actual &&
        cat > expect <<-\EOF
        fatal: bad config value for '\''aninvalid.unit'\'' in .git/config
        EOF
        test_must_fail git config --int --get aninvalid.unit 2>actual &&
        test_cmp actual expect
'

cat > expect << EOF
true
false
true
false
true
false
true
false
EOF

test_expect_success bool '

        git config bool.true1 01 &&
        git config bool.true2 -1 &&
        git config bool.true3 YeS &&
        git config bool.true4 true &&
        git config bool.false1 000 &&
        git config bool.false2 "" &&
        git config bool.false3 nO &&
        git config bool.false4 FALSE &&
        rm -f result &&
        for i in 1 2 3 4
        do
            git config --bool --get bool.true$i >>result
            git config --bool --get bool.false$i >>result
        done &&
        test_cmp expect result'

test_expect_success 'invalid bool (--get)' '

        git config bool.nobool foobar &&
        test_must_fail git config --bool --get bool.nobool'

test_expect_success 'invalid bool (set)' '

        test_must_fail git config --bool bool.nobool foobar'

cat > expect <<\EOF
[bool]
        true1 = true
        true2 = true
        true3 = true
        true4 = true
        false1 = false
        false2 = false
        false3 = false
        false4 = false
EOF

test_expect_success 'set --bool' '

        rm -f .git/config &&
        git config --bool bool.true1 01 &&
        git config --bool bool.true2 -1 &&
        git config --bool bool.true3 YeS &&
        git config --bool bool.true4 true &&
        git config --bool bool.false1 000 &&
        git config --bool bool.false2 "" &&
        git config --bool bool.false3 nO &&
        git config --bool bool.false4 FALSE &&
        test_cmp expect .git/config'

cat > expect <<\EOF
[int]
        val1 = 1
        val2 = -1
        val3 = 5242880
EOF

test_expect_success 'set --int' '

        rm -f .git/config &&
        git config --int int.val1 01 &&
        git config --int int.val2 -1 &&
        git config --int int.val3 5m &&
        test_cmp expect .git/config
'

test_expect_success 'get --bool-or-int' '
        cat >.git/config <<-\EOF &&
        [bool]
        true1
        true2 = true
        false = false
        [int]
        int1 = 0
        int2 = 1
        int3 = -1
        EOF
        cat >expect <<-\EOF &&
        true
        true
        false
        0
        1
        -1
        EOF
        {
                git config --bool-or-int bool.true1 &&
                git config --bool-or-int bool.true2 &&
                git config --bool-or-int bool.false &&
                git config --bool-or-int int.int1 &&
                git config --bool-or-int int.int2 &&
                git config --bool-or-int int.int3
        } >actual &&
        test_cmp expect actual
'

cat >expect <<\EOF
[bool]
        true1 = true
        false1 = false
        true2 = true
        false2 = false
[int]
        int1 = 0
        int2 = 1
        int3 = -1
EOF

test_expect_success 'set --bool-or-int' '
        rm -f .git/config &&
        git config --bool-or-int bool.true1 true &&
        git config --bool-or-int bool.false1 false &&
        git config --bool-or-int bool.true2 yes &&
        git config --bool-or-int bool.false2 no &&
        git config --bool-or-int int.int1 0 &&
        git config --bool-or-int int.int2 1 &&
        git config --bool-or-int int.int3 -1 &&
        test_cmp expect .git/config
'

cat >expect <<\EOF
[path]
        home = ~/
        normal = /dev/null
        trailingtilde = foo~
EOF

test_expect_success NOT_MINGW 'set --path' '
        rm -f .git/config &&
        git config --path path.home "~/" &&
        git config --path path.normal "/dev/null" &&
        git config --path path.trailingtilde "foo~" &&
        test_cmp expect .git/config'

if test_have_prereq NOT_MINGW && test "${HOME+set}"
then
        test_set_prereq HOMEVAR
fi

cat >expect <<EOF
$HOME/
/dev/null
foo~
EOF

test_expect_success HOMEVAR 'get --path' '
        git config --get --path path.home > result &&
        git config --get --path path.normal >> result &&
        git config --get --path path.trailingtilde >> result &&
        test_cmp expect result
'

cat >expect <<\EOF
/dev/null
foo~
EOF

test_expect_success NOT_MINGW 'get --path copes with unset $HOME' '
        (
                unset HOME;
                test_must_fail git config --get --path path.home \
                        >result 2>msg &&
                git config --get --path path.normal >>result &&
                git config --get --path path.trailingtilde >>result
        ) &&
        grep "[Ff]ailed to expand.*~/" msg &&
        test_cmp expect result
'

test_expect_success 'get --path barfs on boolean variable' '
        echo "[path]bool" >.git/config &&
        test_must_fail git config --get --path path.bool
'

cat > expect << EOF
[quote]
        leading = " test"
        ending = "test "
        semicolon = "test;test"
        hash = "test#test"
EOF
test_expect_success 'quoting' '
        rm -f .git/config &&
        git config quote.leading " test" &&
        git config quote.ending "test " &&
        git config quote.semicolon "test;test" &&
        git config quote.hash "test#test" &&
        test_cmp expect .git/config
'

test_expect_success 'key with newline' '
        test_must_fail git config "key.with
newline" 123'

test_expect_success 'value with newline' 'git config key.sub value.with\\\
newline'

cat > .git/config <<\EOF
[section]
        ; comment \
        continued = cont\
inued
        noncont   = not continued ; \
        quotecont = "cont;\
inued"
EOF

cat > expect <<\EOF
section.continued=continued
section.noncont=not continued
section.quotecont=cont;inued
EOF

test_expect_success 'value continued on next line' '
        git config --list > result &&
        test_cmp result expect
'

cat > .git/config <<\EOF
[section "sub=section"]
        val1 = foo=bar
        val2 = foo\nbar
        val3 = \n\n
        val4 =
        val5
EOF

cat > expect <<\EOF
section.sub=section.val1
foo=barQsection.sub=section.val2
foo
barQsection.sub=section.val3


Qsection.sub=section.val4
Qsection.sub=section.val5Q
EOF
test_expect_success '--null --list' '
        git config --null --list | nul_to_q >result &&
        echo >>result &&
        test_cmp expect result
'

test_expect_success '--null --get-regexp' '
        git config --null --get-regexp "val[0-9]" | nul_to_q >result &&
        echo >>result &&
        test_cmp expect result
'

test_expect_success 'inner whitespace kept verbatim' '
        git config section.val "foo       bar" &&
        echo "foo         bar" >expect &&
        git config section.val >actual &&
        test_cmp expect actual
'

test_expect_success SYMLINKS 'symlinked configuration' '
        ln -s notyet myconfig &&
        GIT_CONFIG=myconfig git config test.frotz nitfol &&
        test -h myconfig &&
        test -f notyet &&
        test "z$(GIT_CONFIG=notyet git config test.frotz)" = znitfol &&
        GIT_CONFIG=myconfig git config test.xyzzy rezrov &&
        test -h myconfig &&
        test -f notyet &&
        cat >expect <<-\EOF &&
        nitfol
        rezrov
        EOF
        {
                GIT_CONFIG=notyet git config test.frotz &&
                GIT_CONFIG=notyet git config test.xyzzy
        } >actual &&
        test_cmp expect actual
'

test_expect_success 'nonexistent configuration' '
        (
                GIT_CONFIG=doesnotexist &&
                export GIT_CONFIG &&
                test_must_fail git config --list &&
                test_must_fail git config test.xyzzy
        )
'

test_expect_success SYMLINKS 'symlink to nonexistent configuration' '
        ln -s doesnotexist linktonada &&
        ln -s linktonada linktolinktonada &&
        (
                GIT_CONFIG=linktonada &&
                export GIT_CONFIG &&
                test_must_fail git config --list &&
                GIT_CONFIG=linktolinktonada &&
                test_must_fail git config --list
        )
'

test_expect_success 'check split_cmdline return' "
        git config alias.split-cmdline-fix 'echo \"' &&
        test_must_fail git split-cmdline-fix &&
        echo foo > foo &&
        git add foo &&
        git commit -m 'initial commit' &&
        git config branch.master.mergeoptions 'echo \"' &&
        test_must_fail git merge master
"

test_expect_success 'git -c "key=value" support' '
        cat >expect <<-\EOF &&
        value
        value
        true
        EOF
        {
                git -c core.name=value config core.name &&
                git -c foo.CamelCase=value config foo.camelcase &&
                git -c foo.flag config --bool foo.flag
        } >actual &&
        test_cmp expect actual &&
        test_must_fail git -c name=value config core.name
'

test_expect_success 'key sanity-checking' '
        test_must_fail git config foo=bar &&
        test_must_fail git config foo=.bar &&
        test_must_fail git config foo.ba=r &&
        test_must_fail git config foo.1bar &&
        test_must_fail git config foo."ba
                                z".bar &&
        test_must_fail git config . false &&
        test_must_fail git config .foo false &&
        test_must_fail git config foo. false &&
        test_must_fail git config .foo. false &&
        git config foo.bar true &&
        git config foo."ba =z".bar false
'

test_expect_success 'git -c works with aliases of builtins' '
        git config alias.checkconfig "-c foo.check=bar config foo.check" &&
        echo bar >expect &&
        git checkconfig >actual &&
        test_cmp expect actual
'

test_expect_success 'git -c does not split values on equals' '
        echo "value with = in it" >expect &&
        git -c core.foo="value with = in it" config core.foo >actual &&
        test_cmp expect actual
'

test_expect_success 'git -c dies on bogus config' '
        test_must_fail git -c core.bare=foo rev-parse
'

test_expect_success 'git -c complains about empty key' '
        test_must_fail git -c "=foo" rev-parse
'

test_expect_success 'git -c complains about empty key and value' '
        test_must_fail git -c "" rev-parse
'

test_expect_success 'git config --edit works' '
        git config -f tmp test.value no &&
        echo test.value=yes >expect &&
        GIT_EDITOR="echo [test]value=yes >" git config -f tmp --edit &&
        git config -f tmp --list >actual &&
        test_cmp expect actual
'

test_expect_success 'git config --edit respects core.editor' '
        git config -f tmp test.value no &&
        echo test.value=yes >expect &&
        test_config core.editor "echo [test]value=yes >" &&
        git config -f tmp --edit &&
        git config -f tmp --list >actual &&
        test_cmp expect actual
'

# malformed configuration files
test_expect_success 'barf on syntax error' '
        cat >.git/config <<-\EOF &&
        # broken section line
        [section]
        key garbage
        EOF
        test_must_fail git config --get section.key >actual 2>error &&
        grep " line 3 " error
'

test_expect_success 'barf on incomplete section header' '
        cat >.git/config <<-\EOF &&
        # broken section line
        [section
        key = value
        EOF
        test_must_fail git config --get section.key >actual 2>error &&
        grep " line 2 " error
'

test_expect_success 'barf on incomplete string' '
        cat >.git/config <<-\EOF &&
        # broken section line
        [section]
        key = "value string
        EOF
        test_must_fail git config --get section.key >actual 2>error &&
        grep " line 3 " error
'

# good section hygiene
test_expect_failure 'unsetting the last key in a section removes header' '
        cat >.git/config <<-\EOF &&
        # some generic comment on the configuration file itself
        # a comment specific to this "section" section.
        [section]
        # some intervening lines
        # that should also be dropped

        key = value
        # please be careful when you update the above variable
        EOF

        cat >expect <<-\EOF &&
        # some generic comment on the configuration file itself
        EOF

        git config --unset section.key &&
        test_cmp expect .git/config
'

test_expect_failure 'adding a key into an empty section reuses header' '
        cat >.git/config <<-\EOF &&
        [section]
        EOF

        q_to_tab >expect <<-\EOF &&
        [section]
        Qkey = value
        EOF

        git config section.key value
        test_cmp expect .git/config
'

test_done