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![Jonathan Nieder](/assets/img/avatar_default.png)
rev-parse --parseopt exits with code 129 (usage error) when asked to dump usage with -h on behalf of another command. Scripts can take advantage of this to avoid trying to parse usage information as though it were the regular output from some git command. Noticed with an &&-chaining tester. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
103 lines
2.6 KiB
Bash
Executable file
103 lines
2.6 KiB
Bash
Executable file
#!/bin/sh
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test_description='test git rev-parse --parseopt'
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. ./test-lib.sh
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cat > expect <<\END_EXPECT
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cat <<\EOF
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usage: some-command [options] <args>...
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some-command does foo and bar!
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-h, --help show the help
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--foo some nifty option --foo
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--bar ... some cool option --bar with an argument
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An option group Header
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-C[...] option C with an optional argument
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Extras
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--extra1 line above used to cause a segfault but no longer does
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EOF
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END_EXPECT
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cat > optionspec << EOF
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some-command [options] <args>...
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some-command does foo and bar!
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--
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h,help show the help
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foo some nifty option --foo
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bar= some cool option --bar with an argument
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An option group Header
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C? option C with an optional argument
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Extras
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extra1 line above used to cause a segfault but no longer does
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EOF
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test_expect_success 'test --parseopt help output' '
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test_expect_code 129 git rev-parse --parseopt -- -h > output < optionspec &&
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test_cmp expect output
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'
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cat > expect <<EOF
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set -- --foo --bar 'ham' -- 'arg'
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EOF
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test_expect_success 'test --parseopt' '
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git rev-parse --parseopt -- --foo --bar=ham arg < optionspec > output &&
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test_cmp expect output
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'
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test_expect_success 'test --parseopt with mixed options and arguments' '
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git rev-parse --parseopt -- --foo arg --bar=ham < optionspec > output &&
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test_cmp expect output
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'
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cat > expect <<EOF
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set -- --foo -- 'arg' '--bar=ham'
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EOF
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test_expect_success 'test --parseopt with --' '
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git rev-parse --parseopt -- --foo -- arg --bar=ham < optionspec > output &&
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test_cmp expect output
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'
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test_expect_success 'test --parseopt --stop-at-non-option' '
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git rev-parse --parseopt --stop-at-non-option -- --foo arg --bar=ham < optionspec > output &&
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test_cmp expect output
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'
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cat > expect <<EOF
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set -- --foo -- '--' 'arg' '--bar=ham'
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EOF
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test_expect_success 'test --parseopt --keep-dashdash' '
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git rev-parse --parseopt --keep-dashdash -- --foo -- arg --bar=ham < optionspec > output &&
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test_cmp expect output
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'
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cat >expect <<EOF
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set -- --foo -- '--' 'arg' '--spam=ham'
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EOF
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test_expect_success 'test --parseopt --keep-dashdash --stop-at-non-option with --' '
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git rev-parse --parseopt --keep-dashdash --stop-at-non-option -- --foo -- arg --spam=ham <optionspec >output &&
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test_cmp expect output
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'
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cat > expect <<EOF
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set -- --foo -- 'arg' '--spam=ham'
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EOF
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test_expect_success 'test --parseopt --keep-dashdash --stop-at-non-option without --' '
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git rev-parse --parseopt --keep-dashdash --stop-at-non-option -- --foo arg --spam=ham <optionspec >output &&
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test_cmp expect output
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'
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test_done
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