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help: have --usage
always print a usage line
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2 changed files with 17 additions and 1 deletions
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@ -144,7 +144,11 @@ print_usage() {
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local command="$1"
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local command="$1"
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local summary usage help
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local summary usage help
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eval "$(documentation_for "$command")"
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eval "$(documentation_for "$command")"
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[ -z "$usage" ] || echo "$usage"
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if [ -n "$usage" ]; then
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echo "$usage"
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else
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echo "Usage: rbenv ${command}"
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fi
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}
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}
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unset usage
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unset usage
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@ -71,6 +71,18 @@ SH
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assert_success "Usage: rbenv hello <world>"
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assert_success "Usage: rbenv hello <world>"
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}
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}
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@test "empty usage section" {
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mkdir -p "${RBENV_TEST_DIR}/bin"
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cat > "${RBENV_TEST_DIR}/bin/rbenv-hello" <<SH
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#!shebang
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# Summary: Says "hello" to you, from rbenv
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echo hello
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SH
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run rbenv-help --usage hello
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assert_success "Usage: rbenv hello"
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}
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@test "multiline usage section" {
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@test "multiline usage section" {
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mkdir -p "${RBENV_TEST_DIR}/bin"
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mkdir -p "${RBENV_TEST_DIR}/bin"
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cat > "${RBENV_TEST_DIR}/bin/rbenv-hello" <<SH
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cat > "${RBENV_TEST_DIR}/bin/rbenv-hello" <<SH
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