mirror of
https://github.com/git/git.git
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b83efcecaf
We already have the basic "git_config_get_value()" function and its "repo_*" and "configset" siblings to get a given "key" and assign the last key found to a provided "value". But some callers don't care about that value, but just want to use the return value of the "get_value()" function to check whether the key exist (or another non-zero return value). The immediate motivation for this is that a subsequent commit will need to change all callers of the "*_get_value_multi()" family of functions. In two cases here we (ab)used it to check whether we had any values for the given key, but didn't care about the return value. The rest of the callers here used various other config API functions to do the same, all of which resolved to the same underlying functions to provide the answer. Some of these were using either git_config_get_string() or git_config_get_string_tmp(), seefe4c750fb1(submodule--helper: fix a configure_added_submodule() leak, 2022-09-01) for a recent example. We can now use a helper function that doesn't require a throwaway variable. We could have changed git_configset_get_value_multi() (and then git_config_get_value() etc.) to accept a "NULL" as a "dest" for all callers, but let's avoid changing the behavior of existing API users. Having an "unused" value that we throw away internal to config.c is cheap. A "NULL as optional dest" pattern is also more fragile, as the intent of the caller might be misinterpreted if he were to accidentally pass "NULL", e.g. when "dest" is passed in from another function. Another name for this function could have been "*_config_key_exists()", as suggested in [1]. That would work for all of these callers, and would currently be equivalent to this function, as the git_configset_get_value() API normalizes all non-zero return values to a "1". But adding that API would set us up to lose information, as e.g. if git_config_parse_key() in the underlying configset_find_element() fails we'd like to return -1, not 1. Let's change the underlying configset_find_element() function to support this use-case, we'll make further use of it in a subsequent commit where the git_configset_get_value_multi() function itself will expose this new return value. This still leaves various inconsistencies and clobbering or ignoring of the return value in place. E.g here we're modifying configset_add_value(), but ever since it was added in [2] we've been ignoring its "int" return value, but as we're changing the configset_find_element() it uses, let's have it faithfully ferry that "ret" along. Let's also use the "RESULT_MUST_BE_USED" macro introduced in [3] to assert that we're checking the return value of configset_find_element(). We're leaving the same change to configset_add_value() for some future series. Once we start paying attention to its return value we'd need to ferry it up as deep as do_config_from(), and would need to make least read_{,very_}early_config() and git_protected_config() return an "int" instead of "void". Let's leave that for now, and focus on the *_get_*() functions. 1.3c8687a73e(add `config_set` API for caching config-like files, 2014-07-28) 2. https://lore.kernel.org/git/xmqqczadkq9f.fsf@gitster.g/ 3.1e8697b5c4(submodule--helper: check repo{_submodule,}_init() return values, 2022-09-01), Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
392 lines
9.5 KiB
Bash
Executable File
392 lines
9.5 KiB
Bash
Executable File
#!/bin/sh
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test_description='Test git config-set API in different settings'
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TEST_PASSES_SANITIZE_LEAK=true
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. ./test-lib.sh
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# 'check_config get_* section.key value' verifies that the entry for
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# section.key is 'value'
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check_config () {
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if test "$1" = expect_code
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then
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expect_code="$2" && shift && shift
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else
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expect_code=0
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fi &&
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op=$1 key=$2 && shift && shift &&
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if test $# != 0
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then
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printf "%s\n" "$@"
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fi >expect &&
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test_expect_code $expect_code test-tool config "$op" "$key" >actual &&
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test_cmp expect actual
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}
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test_expect_success 'setup default config' '
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cat >.git/config <<-\EOF
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[case]
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penguin = very blue
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Movie = BadPhysics
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UPPERCASE = true
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MixedCase = true
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my =
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foo
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baz = sam
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[Cores]
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WhatEver = Second
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baz = bar
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[cores]
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baz = bat
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[CORES]
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baz = ball
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[my "Foo bAr"]
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hi = mixed-case
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[my "FOO BAR"]
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hi = upper-case
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[my "foo bar"]
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hi = lower-case
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[case]
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baz = bat
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baz = hask
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[lamb]
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chop = 65
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head = none
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[goat]
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legs = 4
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head = true
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skin = false
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nose = 1
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horns
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[value]
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less
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EOF
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'
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test_expect_success 'get value for a simple key' '
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check_config get_value case.penguin "very blue"
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'
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test_expect_success 'get value for a key with value as an empty string' '
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check_config get_value case.my ""
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'
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test_expect_success 'get value for a key with value as NULL' '
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check_config get_value case.foo "(NULL)"
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'
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test_expect_success 'upper case key' '
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check_config get_value case.UPPERCASE "true" &&
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check_config get_value case.uppercase "true"
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'
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test_expect_success 'mixed case key' '
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check_config get_value case.MixedCase "true" &&
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check_config get_value case.MIXEDCASE "true" &&
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check_config get_value case.mixedcase "true"
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'
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test_expect_success 'key and value with mixed case' '
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check_config get_value case.Movie "BadPhysics"
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'
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test_expect_success 'key with case sensitive subsection' '
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check_config get_value "my.Foo bAr.hi" "mixed-case" &&
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check_config get_value "my.FOO BAR.hi" "upper-case" &&
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check_config get_value "my.foo bar.hi" "lower-case"
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'
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test_expect_success 'key with case insensitive section header' '
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check_config get_value cores.baz "ball" &&
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check_config get_value Cores.baz "ball" &&
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check_config get_value CORES.baz "ball" &&
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check_config get_value coreS.baz "ball"
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'
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test_expect_success 'key with case insensitive section header & variable' '
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check_config get_value CORES.BAZ "ball" &&
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check_config get_value cores.baz "ball" &&
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check_config get_value cores.BaZ "ball" &&
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check_config get_value cOreS.bAz "ball"
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'
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test_expect_success 'find value with misspelled key' '
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check_config expect_code 1 get_value "my.fOo Bar.hi" "Value not found for \"my.fOo Bar.hi\""
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'
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test_expect_success 'find value with the highest priority' '
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check_config get_value case.baz "hask"
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'
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test_expect_success 'return value for an existing key' '
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test-tool config get lamb.chop >out 2>err &&
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test_must_be_empty out &&
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test_must_be_empty err
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'
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test_expect_success 'return value for value-less key' '
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test-tool config get value.less >out 2>err &&
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test_must_be_empty out &&
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test_must_be_empty err
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'
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test_expect_success 'return value for a missing key' '
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cat >expect <<-\EOF &&
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Value not found for "missing.key"
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EOF
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test_expect_code 1 test-tool config get missing.key >actual 2>err &&
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test_cmp actual expect &&
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test_must_be_empty err
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'
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test_expect_success 'return value for a bad key: CONFIG_INVALID_KEY' '
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cat >expect <<-\EOF &&
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Key "fails.iskeychar.-" is invalid
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EOF
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test_expect_code 1 test-tool config get fails.iskeychar.- >actual 2>err &&
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test_cmp actual expect &&
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test_must_be_empty out
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'
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test_expect_success 'return value for a bad key: CONFIG_NO_SECTION_OR_NAME' '
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cat >expect <<-\EOF &&
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Key "keynosection" has no section
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EOF
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test_expect_code 1 test-tool config get keynosection >actual 2>err &&
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test_cmp actual expect &&
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test_must_be_empty out
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'
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test_expect_success 'find integer value for a key' '
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check_config get_int lamb.chop 65
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'
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test_expect_success 'find string value for a key' '
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check_config get_string case.baz hask &&
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check_config expect_code 1 get_string case.ba "Value not found for \"case.ba\""
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'
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test_expect_success 'check line error when NULL string is queried' '
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test_expect_code 128 test-tool config get_string case.foo 2>result &&
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test_i18ngrep "fatal: .*case\.foo.*\.git/config.*line 7" result
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'
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test_expect_success 'find integer if value is non parse-able' '
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check_config expect_code 128 get_int lamb.head
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'
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test_expect_success 'find bool value for the entered key' '
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check_config get_bool goat.head 1 &&
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check_config get_bool goat.skin 0 &&
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check_config get_bool goat.nose 1 &&
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check_config get_bool goat.horns 1 &&
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check_config get_bool goat.legs 1
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'
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test_expect_success 'find multiple values' '
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check_config get_value_multi case.baz sam bat hask
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'
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test_NULL_in_multi () {
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local op="$1" &&
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local file="$2" &&
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test_expect_success "$op: NULL value in config${file:+ in $file}" '
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config="$file" &&
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if test -z "$config"
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then
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config=.git/config &&
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test_when_finished "mv $config.old $config" &&
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mv "$config" "$config".old
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fi &&
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# Value-less in the middle of a list
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cat >"$config" <<-\EOF &&
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[a]key=x
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[a]key
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[a]key=y
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EOF
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case "$op" in
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*_multi)
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cat >expect <<-\EOF
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x
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(NULL)
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y
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EOF
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;;
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*)
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cat >expect <<-\EOF
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y
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EOF
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;;
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esac &&
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test-tool config "$op" a.key $file >actual &&
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test_cmp expect actual &&
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# Value-less at the end of a least
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cat >"$config" <<-\EOF &&
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[a]key=x
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[a]key=y
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[a]key
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EOF
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case "$op" in
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*_multi)
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cat >expect <<-\EOF
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x
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y
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(NULL)
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EOF
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;;
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*)
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cat >expect <<-\EOF
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(NULL)
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EOF
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;;
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esac &&
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test-tool config "$op" a.key $file >actual &&
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test_cmp expect actual
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'
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}
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test_NULL_in_multi "get_value_multi"
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test_NULL_in_multi "configset_get_value" "my.config"
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test_NULL_in_multi "configset_get_value_multi" "my.config"
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test_expect_success 'find value from a configset' '
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cat >config2 <<-\EOF &&
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[case]
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baz = lama
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[my]
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new = silk
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[case]
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baz = ball
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EOF
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echo silk >expect &&
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test-tool config configset_get_value my.new config2 .git/config >actual &&
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test_cmp expect actual
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'
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test_expect_success 'find value with highest priority from a configset' '
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echo hask >expect &&
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test-tool config configset_get_value case.baz config2 .git/config >actual &&
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test_cmp expect actual
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'
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test_expect_success 'find value_list for a key from a configset' '
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cat >expect <<-\EOF &&
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lama
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ball
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sam
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bat
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hask
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EOF
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test-tool config configset_get_value_multi case.baz config2 .git/config >actual &&
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test_cmp expect actual
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'
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test_expect_success 'proper error on non-existent files' '
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echo "Error (-1) reading configuration file non-existent-file." >expect &&
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test_expect_code 2 test-tool config configset_get_value foo.bar non-existent-file 2>actual &&
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test_cmp expect actual
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'
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test_expect_success 'proper error on directory "files"' '
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echo "Error (-1) reading configuration file a-directory." >expect &&
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mkdir a-directory &&
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test_expect_code 2 test-tool config configset_get_value foo.bar a-directory 2>output &&
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grep "^warning:" output &&
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grep "^Error" output >actual &&
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test_cmp expect actual
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'
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test_expect_success POSIXPERM,SANITY 'proper error on non-accessible files' '
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chmod -r .git/config &&
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test_when_finished "chmod +r .git/config" &&
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echo "Error (-1) reading configuration file .git/config." >expect &&
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test_expect_code 2 test-tool config configset_get_value foo.bar .git/config 2>output &&
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grep "^warning:" output &&
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grep "^Error" output >actual &&
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test_cmp expect actual
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'
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test_expect_success 'proper error on error in default config files' '
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cp .git/config .git/config.old &&
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test_when_finished "mv .git/config.old .git/config" &&
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echo "[" >>.git/config &&
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echo "fatal: bad config line 36 in file .git/config" >expect &&
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test_expect_code 128 test-tool config get_value foo.bar 2>actual &&
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test_cmp expect actual
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'
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test_expect_success 'proper error on error in custom config files' '
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echo "[" >>syntax-error &&
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echo "fatal: bad config line 1 in file syntax-error" >expect &&
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test_expect_code 128 test-tool config configset_get_value foo.bar syntax-error 2>actual &&
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test_cmp expect actual
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'
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test_expect_success 'check line errors for malformed values' '
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mv .git/config .git/config.old &&
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test_when_finished "mv .git/config.old .git/config" &&
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cat >.git/config <<-\EOF &&
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[alias]
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br
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EOF
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test_expect_code 128 git br 2>result &&
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test_i18ngrep "missing value for .alias\.br" result &&
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test_i18ngrep "fatal: .*\.git/config" result &&
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test_i18ngrep "fatal: .*line 2" result
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'
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test_expect_success 'error on modifying repo config without repo' '
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nongit test_must_fail git config a.b c 2>err &&
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test_i18ngrep "not in a git directory" err
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'
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cmdline_config="'foo.bar=from-cmdline'"
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test_expect_success 'iteration shows correct origins' '
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printf "[ignore]\n\tthis = please\n[foo]bar = from-repo\n" >.git/config &&
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printf "[foo]\n\tbar = from-home\n" >.gitconfig &&
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if test_have_prereq MINGW
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then
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# Use Windows path (i.e. *not* $HOME)
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HOME_GITCONFIG=$(pwd)/.gitconfig
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else
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# Do not get fooled by symbolic links, i.e. $HOME != $(pwd)
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HOME_GITCONFIG=$HOME/.gitconfig
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fi &&
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cat >expect <<-EOF &&
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key=foo.bar
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value=from-home
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origin=file
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name=$HOME_GITCONFIG
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lno=2
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scope=global
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key=ignore.this
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value=please
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origin=file
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name=.git/config
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lno=2
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scope=local
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key=foo.bar
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value=from-repo
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origin=file
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name=.git/config
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lno=3
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scope=local
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key=foo.bar
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value=from-cmdline
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origin=command line
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name=
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lno=-1
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scope=command
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EOF
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GIT_CONFIG_PARAMETERS=$cmdline_config test-tool config iterate >actual &&
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test_cmp expect actual
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'
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test_done
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