#!/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
foo = bar
EOF

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

cat > expect <<\EOF
[alpha]
bar = foo
[beta]
foo = bar
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
nextsection.nonewline
123456.a123
version.1.2.3eX.alpha
EOF

test_expect_success '--name-only --list' '
        git config --name-only --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
beta.noindent
nextsection.nonewline
EOF

test_expect_success '--name-only --get-regexp' '
        git config --name-only --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 --file (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 --list >output &&
        test_cmp expect output
'

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

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

test_expect_success 'setting a value in stdin is an error' '
        test_must_fail git config --file - some.value foo
'

test_expect_success 'editing stdin is an error' '
        test_must_fail git config --file - --edit
'

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 --file' '
        (
                cd x &&
                git config --file=../other-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 file' '
        git config --file=other-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 '--int is at least 64 bits' '
        git config giga.watts 121g &&
        echo 129922760704 >expect &&
        git config --int --get giga.watts >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 &&
        test_must_fail git config --int --get aninvalid.unit 2>actual &&
        test_i18ngrep "bad numeric config value .1auto. for .aninvalid.unit. in file .git/config: invalid unit" actual
'

test_expect_success 'line number is reported correctly' '
        printf "[bool]\n\tvar\n" >invalid &&
        test_must_fail git config -f invalid --path bool.var 2>actual &&
        test_i18ngrep "line 2" actual
'

test_expect_success 'invalid stdin config' '
        echo "[broken" | test_must_fail git config --list --file - >output 2>&1 &&
        test_i18ngrep "bad config line 1 in standard input" output
'

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 !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 !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 !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
        ) &&
        test_i18ngrep "[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
'

test_expect_success 'get --expiry-date' '
        rel="3.weeks.5.days.00:00" &&
        rel_out="$rel ->" &&
        cat >.git/config <<-\EOF &&
        [date]
        valid1 = "3.weeks.5.days 00:00"
        valid2 = "Fri Jun 4 15:46:55 2010"
        valid3 = "2017/11/11 11:11:11PM"
        valid4 = "2017/11/10 09:08:07 PM"
        valid5 = "never"
        invalid1 = "abc"
        EOF
        cat >expect <<-EOF &&
        $(test-date timestamp $rel)
        1275666415
        1510441871
        1510348087
        0
        EOF
        {
                echo "$rel_out $(git config --expiry-date date.valid1)"
                git config --expiry-date date.valid2 &&
                git config --expiry-date date.valid3 &&
                git config --expiry-date date.valid4 &&
                git config --expiry-date date.valid5
        } >actual &&
        test_cmp expect actual &&
        test_must_fail git config --expiry-date date.invalid1
'

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 >result.raw &&
        nul_to_q <result.raw >result &&
        echo >>result &&
        test_cmp expect result
'

test_expect_success '--null --get-regexp' '
        git config --null --get-regexp "val[0-9]" >result.raw &&
        nul_to_q <result.raw >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 --file=myconfig test.frotz nitfol &&
        test -h myconfig &&
        test -f notyet &&
        test "z$(git config --file=notyet test.frotz)" = znitfol &&
        git config --file=myconfig test.xyzzy rezrov &&
        test -h myconfig &&
        test -f notyet &&
        cat >expect <<-\EOF &&
        nitfol
        rezrov
        EOF
        {
                git config --file=notyet test.frotz &&
                git config --file=notyet test.xyzzy
        } >actual &&
        test_cmp expect actual
'

test_expect_success 'nonexistent configuration' '
        test_must_fail git config --file=doesnotexist --list &&
        test_must_fail git config --file=doesnotexist test.xyzzy
'

test_expect_success SYMLINKS 'symlink to nonexistent configuration' '
        ln -s doesnotexist linktonada &&
        ln -s linktonada linktolinktonada &&
        test_must_fail git config --file=linktonada --list &&
        test_must_fail git config --file=linktolinktonada --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
'

# We just need a type-specifier here that cares about the
# distinction internally between a NULL boolean and a real
# string (because most of git's internal parsers do care).
# Using "--path" works, but we do not otherwise care about
# its semantics.
test_expect_success 'git -c can represent empty string' '
        echo >expect &&
        git -c foo.empty= config --path foo.empty >actual &&
        test_cmp expect actual
'

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 'aliases can be CamelCased' '
        test_config alias.CamelCased "rev-parse HEAD" &&
        git CamelCased >out &&
        git rev-parse HEAD >expect &&
        test_cmp expect out
'

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 'multiple git -c appends config' '
        test_config alias.x "!git -c x.two=2 config --get-regexp ^x\.*" &&
        cat >expect <<-\EOF &&
        x.one 1
        x.two 2
        EOF
        git -c x.one=1 x >actual &&
        test_cmp expect actual
'

test_expect_success 'last one wins: two level vars' '

        # sec.var and sec.VAR are the same variable, as the first
        # and the last level of a configuration variable name is
        # case insensitive.

        echo VAL >expect &&

        git -c sec.var=val -c sec.VAR=VAL config --get sec.var >actual &&
        test_cmp expect actual &&
        git -c SEC.var=val -c sec.var=VAL config --get sec.var >actual &&
        test_cmp expect actual &&

        git -c sec.var=val -c sec.VAR=VAL config --get SEC.var >actual &&
        test_cmp expect actual &&
        git -c SEC.var=val -c sec.var=VAL config --get sec.VAR >actual &&
        test_cmp expect actual
'

test_expect_success 'last one wins: three level vars' '

        # v.a.r and v.A.r are not the same variable, as the middle
        # level of a three-level configuration variable name is
        # case sensitive.

        echo val >expect &&
        git -c v.a.r=val -c v.A.r=VAL config --get v.a.r >actual &&
        test_cmp expect actual &&
        git -c v.a.r=val -c v.A.r=VAL config --get V.a.R >actual &&
        test_cmp expect actual &&

        # v.a.r and V.a.R are the same variable, as the first
        # and the last level of a configuration variable name is
        # case insensitive.

        echo VAL >expect &&
        git -c v.a.r=val -c v.a.R=VAL config --get v.a.r >actual &&
        test_cmp expect actual &&
        git -c v.a.r=val -c V.a.r=VAL config --get v.a.r >actual &&
        test_cmp expect actual &&
        git -c v.a.r=val -c v.a.R=VAL config --get V.a.R >actual &&
        test_cmp expect actual &&
        git -c v.a.r=val -c V.a.r=VAL config --get V.a.R >actual &&
        test_cmp expect 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'" '
                test_must_fail git -c "$VAR=VAL" config -l
        '
done

for VAR in a.b a."b c".d
do
        test_expect_success "git -c $VAR=VAL works with valid '$VAR'" '
                echo VAL >expect &&
                git -c "$VAR=VAL" config --get "$VAR" >actual &&
                test_cmp expect actual
        '
done

test_expect_success 'git -c is not confused by empty environment' '
        GIT_CONFIG_PARAMETERS="" git -c x.one=1 config --list
'

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 &&
        test_i18ngrep " 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 &&
        test_i18ngrep " 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 &&
        test_i18ngrep " line 3 " error
'

test_expect_success 'urlmatch' '
        cat >.git/config <<-\EOF &&
        [http]
                sslVerify
        [http "https://weak.example.com"]
                sslVerify = false
                cookieFile = /tmp/cookie.txt
        EOF

        test_expect_code 1 git config --bool --get-urlmatch doesnt.exist https://good.example.com >actual &&
        test_must_be_empty actual &&

        echo true >expect &&
        git config --bool --get-urlmatch http.SSLverify https://good.example.com >actual &&
        test_cmp expect actual &&

        echo false >expect &&
        git config --bool --get-urlmatch http.sslverify https://weak.example.com >actual &&
        test_cmp expect actual &&

        {
                echo http.cookiefile /tmp/cookie.txt &&
                echo http.sslverify false
        } >expect &&
        git config --get-urlmatch HTTP https://weak.example.com >actual &&
        test_cmp expect actual
'

test_expect_success 'urlmatch favors more specific URLs' '
        cat >.git/config <<-\EOF &&
        [http "https://example.com/"]
                cookieFile = /tmp/root.txt
        [http "https://example.com/subdirectory"]
                cookieFile = /tmp/subdirectory.txt
        [http "https://user@example.com/"]
                cookieFile = /tmp/user.txt
        [http "https://averylonguser@example.com/"]
                cookieFile = /tmp/averylonguser.txt
        [http "https://preceding.example.com"]
                cookieFile = /tmp/preceding.txt
        [http "https://*.example.com"]
                cookieFile = /tmp/wildcard.txt
        [http "https://*.example.com/wildcardwithsubdomain"]
                cookieFile = /tmp/wildcardwithsubdomain.txt
        [http "https://trailing.example.com"]
                cookieFile = /tmp/trailing.txt
        [http "https://user@*.example.com/"]
                cookieFile = /tmp/wildcardwithuser.txt
        [http "https://sub.example.com/"]
                cookieFile = /tmp/sub.txt
        EOF

        echo http.cookiefile /tmp/root.txt >expect &&
        git config --get-urlmatch HTTP https://example.com >actual &&
        test_cmp expect actual &&

        echo http.cookiefile /tmp/subdirectory.txt >expect &&
        git config --get-urlmatch HTTP https://example.com/subdirectory >actual &&
        test_cmp expect actual &&

        echo http.cookiefile /tmp/subdirectory.txt >expect &&
        git config --get-urlmatch HTTP https://example.com/subdirectory/nested >actual &&
        test_cmp expect actual &&

        echo http.cookiefile /tmp/user.txt >expect &&
        git config --get-urlmatch HTTP https://user@example.com/ >actual &&
        test_cmp expect actual &&

        echo http.cookiefile /tmp/subdirectory.txt >expect &&
        git config --get-urlmatch HTTP https://averylonguser@example.com/subdirectory >actual &&
        test_cmp expect actual &&

        echo http.cookiefile /tmp/preceding.txt >expect &&
        git config --get-urlmatch HTTP https://preceding.example.com >actual &&
        test_cmp expect actual &&

        echo http.cookiefile /tmp/wildcard.txt >expect &&
        git config --get-urlmatch HTTP https://wildcard.example.com >actual &&
        test_cmp expect actual &&

        echo http.cookiefile /tmp/sub.txt >expect &&
        git config --get-urlmatch HTTP https://sub.example.com/wildcardwithsubdomain >actual &&
        test_cmp expect actual &&

        echo http.cookiefile /tmp/trailing.txt >expect &&
        git config --get-urlmatch HTTP https://trailing.example.com >actual &&
        test_cmp expect actual &&

        echo http.cookiefile /tmp/sub.txt >expect &&
        git config --get-urlmatch HTTP https://user@sub.example.com >actual &&
        test_cmp expect actual
'

test_expect_success 'urlmatch with wildcard' '
        cat >.git/config <<-\EOF &&
        [http]
                sslVerify
        [http "https://*.example.com"]
                sslVerify = false
                cookieFile = /tmp/cookie.txt
        EOF

        test_expect_code 1 git config --bool --get-urlmatch doesnt.exist https://good.example.com >actual &&
        test_must_be_empty actual &&

        echo true >expect &&
        git config --bool --get-urlmatch http.SSLverify https://example.com >actual &&
        test_cmp expect actual &&

        echo true >expect &&
        git config --bool --get-urlmatch http.SSLverify https://good-example.com >actual &&
        test_cmp expect actual &&

        echo true >expect &&
        git config --bool --get-urlmatch http.sslverify https://deep.nested.example.com >actual &&
        test_cmp expect actual &&

        echo false >expect &&
        git config --bool --get-urlmatch http.sslverify https://good.example.com >actual &&
        test_cmp expect actual &&

        {
                echo http.cookiefile /tmp/cookie.txt &&
                echo http.sslverify false
        } >expect &&
        git config --get-urlmatch HTTP https://good.example.com >actual &&
        test_cmp expect actual &&

        echo http.sslverify >expect &&
        git config --get-urlmatch HTTP https://more.example.com.au >actual &&
        test_cmp expect actual
'

# good section hygiene
test_expect_success '--unset last key removes section (except if commented)' '
        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
        # a comment specific to this "section" section.
        [section]
        # some intervening lines
        # that should also be dropped

        # please be careful when you update the above variable
        EOF

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

        cat >.git/config <<-\EOF &&
        [section]
        key = value
        [next-section]
        EOF

        cat >expect <<-\EOF &&
        [next-section]
        EOF

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

        q_to_tab >.git/config <<-\EOF &&
        [one]
        Qkey = "multiline \
        QQ# with comment"
        [two]
        key = true
        EOF
        git config --unset two.key &&
        ! grep two .git/config &&

        q_to_tab >.git/config <<-\EOF &&
        [one]
        Qkey = "multiline \
        QQ# with comment"
        [one]
        key = true
        EOF
        git config --unset-all one.key &&
        test_line_count = 0 .git/config &&

        q_to_tab >.git/config <<-\EOF &&
        [one]
        Qkey = true
        Q# a comment not at the start
        [two]
        Qkey = true
        EOF
        git config --unset two.key &&
        grep two .git/config &&

        q_to_tab >.git/config <<-\EOF &&
        [one]
        Qkey = not [two "subsection"]
        [two "subsection"]
        [two "subsection"]
        Qkey = true
        [TWO "subsection"]
        [one]
        EOF
        git config --unset two.subsection.key &&
        test "not [two subsection]" = "$(git config one.key)" &&
        test_line_count = 3 .git/config
'

test_expect_success '--unset-all removes section if empty & uncommented' '
        cat >.git/config <<-\EOF &&
        [section]
        key = value1
        key = value2
        EOF

        git config --unset-all section.key &&
        test_line_count = 0 .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_expect_success POSIXPERM,PERL 'preserves existing permissions' '
        chmod 0600 .git/config &&
        git config imap.pass Hunter2 &&
        perl -e \
          "die q(badset) if ((stat(q(.git/config)))[2] & 07777) != 0600" &&
        git config --rename-section imap pop &&
        perl -e \
          "die q(badrename) if ((stat(q(.git/config)))[2] & 07777) != 0600"
'

! test_have_prereq MINGW ||
HOME="$(pwd)" # convert to Windows path

test_expect_success 'set up --show-origin tests' '
        INCLUDE_DIR="$HOME/include" &&
        mkdir -p "$INCLUDE_DIR" &&
        cat >"$INCLUDE_DIR"/absolute.include <<-\EOF &&
                [user]
                        absolute = include
        EOF
        cat >"$INCLUDE_DIR"/relative.include <<-\EOF &&
                [user]
                        relative = include
        EOF
        cat >"$HOME"/.gitconfig <<-EOF &&
                [user]
                        global = true
                        override = global
                [include]
                        path = "$INCLUDE_DIR/absolute.include"
        EOF
        cat >.git/config <<-\EOF
                [user]
                        local = true
                        override = local
                [include]
                        path = ../include/relative.include
        EOF
'

test_expect_success '--show-origin with --list' '
        cat >expect <<-EOF &&
                file:$HOME/.gitconfig   user.global=true
                file:$HOME/.gitconfig   user.override=global
                file:$HOME/.gitconfig   include.path=$INCLUDE_DIR/absolute.include
                file:$INCLUDE_DIR/absolute.include      user.absolute=include
                file:.git/config        user.local=true
                file:.git/config        user.override=local
                file:.git/config        include.path=../include/relative.include
                file:.git/../include/relative.include   user.relative=include
                command line:   user.cmdline=true
        EOF
        git -c user.cmdline=true config --list --show-origin >output &&
        test_cmp expect output
'

test_expect_success '--show-origin with --list --null' '
        cat >expect <<-EOF &&
                file:$HOME/.gitconfigQuser.global
                trueQfile:$HOME/.gitconfigQuser.override
                globalQfile:$HOME/.gitconfigQinclude.path
                $INCLUDE_DIR/absolute.includeQfile:$INCLUDE_DIR/absolute.includeQuser.absolute
                includeQfile:.git/configQuser.local
                trueQfile:.git/configQuser.override
                localQfile:.git/configQinclude.path
                ../include/relative.includeQfile:.git/../include/relative.includeQuser.relative
                includeQcommand line:Quser.cmdline
                trueQ
        EOF
        git -c user.cmdline=true config --null --list --show-origin >output.raw &&
        nul_to_q <output.raw >output &&
        # The here-doc above adds a newline that the --null output would not
        # include. Add it here to make the two comparable.
        echo >>output &&
        test_cmp expect output
'

test_expect_success '--show-origin with single file' '
        cat >expect <<-\EOF &&
                file:.git/config        user.local=true
                file:.git/config        user.override=local
                file:.git/config        include.path=../include/relative.include
        EOF
        git config --local --list --show-origin >output &&
        test_cmp expect output
'

test_expect_success '--show-origin with --get-regexp' '
        cat >expect <<-EOF &&
                file:$HOME/.gitconfig   user.global true
                file:.git/config        user.local true
        EOF
        git config --show-origin --get-regexp "user\.[g|l].*" >output &&
        test_cmp expect output
'

test_expect_success '--show-origin getting a single key' '
        cat >expect <<-\EOF &&
                file:.git/config        local
        EOF
        git config --show-origin user.override >output &&
        test_cmp expect output
'

test_expect_success 'set up custom config file' '
        CUSTOM_CONFIG_FILE="file\" (dq) and spaces.conf" &&
        cat >"$CUSTOM_CONFIG_FILE" <<-\EOF
                [user]
                        custom = true
        EOF
'

test_expect_success !MINGW '--show-origin escape special file name characters' '
        cat >expect <<-\EOF &&
                file:"file\" (dq) and spaces.conf"      user.custom=true
        EOF
        git config --file "$CUSTOM_CONFIG_FILE" --show-origin --list >output &&
        test_cmp expect output
'

test_expect_success '--show-origin stdin' '
        cat >expect <<-\EOF &&
                standard input: user.custom=true
        EOF
        git config --file - --show-origin --list <"$CUSTOM_CONFIG_FILE" >output &&
        test_cmp expect output
'

test_expect_success '--show-origin stdin with file include' '
        cat >"$INCLUDE_DIR"/stdin.include <<-EOF &&
                [user]
                        stdin = include
        EOF
        cat >expect <<-EOF &&
                file:$INCLUDE_DIR/stdin.include include
        EOF
        echo "[include]path=\"$INCLUDE_DIR\"/stdin.include" \
                | git config --show-origin --includes --file - user.stdin >output &&
        test_cmp expect output
'

test_expect_success !MINGW '--show-origin blob' '
        cat >expect <<-\EOF &&
                blob:a9d9f9e555b5c6f07cbe09d3f06fe3df11e09c08   user.custom=true
        EOF
        blob=$(git hash-object -w "$CUSTOM_CONFIG_FILE") &&
        git config --blob=$blob --show-origin --list >output &&
        test_cmp expect output
'

test_expect_success !MINGW '--show-origin blob ref' '
        cat >expect <<-\EOF &&
                blob:"master:file\" (dq) and spaces.conf"       user.custom=true
        EOF
        git add "$CUSTOM_CONFIG_FILE" &&
        git commit -m "new config file" &&
        git config --blob=master:"$CUSTOM_CONFIG_FILE" --show-origin --list >output &&
        test_cmp expect output
'

test_expect_success '--local requires a repo' '
        # we expect 128 to ensure that we do not simply
        # fail to find anything and return code "1"
        test_expect_code 128 nongit git config --local foo.bar
'

test_expect_success '--replace-all does not invent newlines' '
        q_to_tab >.git/config <<-\EOF &&
        [abc]key
        QkeepSection
        [xyz]
        Qkey = 1
        [abc]
        Qkey = a
        EOF
        q_to_tab >expect <<-\EOF &&
        [abc]
        QkeepSection
        [xyz]
        Qkey = 1
        [abc]
        Qkey = b
        EOF
        git config --replace-all abc.key b &&
        test_cmp .git/config expect
'

test_done