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caddyfile: Allow heredoc blank lines (#6051)

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Aziz Rmadi 2024-01-18 21:57:18 -06:00 committed by GitHub
parent 4181c79a81
commit d9aded016c
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2 changed files with 47 additions and 0 deletions
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5
caddyconfig/caddyfile/lexer.go
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@ -313,6 +313,11 @@ func (l *lexer) finalizeHeredoc(val []rune, marker string) ([]rune, error) {
// iterate over each line and strip the whitespace from the front
var out string
for lineNum, lineText := range lines[:len(lines)-1] {
if lineText == "" {
out += "\n"
continue
}
// find an exact match for the padding
index := strings.Index(lineText, paddingToStrip)

42
caddyconfig/caddyfile/lexer_test.go
View File

@ -445,6 +445,48 @@ EOF same-line-arg
expectErr: true,
errorMessage: "mismatched leading whitespace in heredoc <<EOF on line #2 [ content], expected whitespace [\t\t] to match the closing marker",
},
{
input: []byte(`heredoc <<EOF
The next line is a blank line
The previous line is a blank line
EOF`),
expected: []Token{
{Line: 1, Text: "heredoc"},
{Line: 1, Text: "The next line is a blank line\n\nThe previous line is a blank line"},
},
},
{
input: []byte(`heredoc <<EOF
One tab indented heredoc with blank next line
One tab indented heredoc with blank previous line
EOF`),
expected: []Token{
{Line: 1, Text: "heredoc"},
{Line: 1, Text: "One tab indented heredoc with blank next line\n\nOne tab indented heredoc with blank previous line"},
},
},
{
input: []byte(`heredoc <<EOF
The next line is a blank line with one tab
The previous line is a blank line with one tab
EOF`),
expected: []Token{
{Line: 1, Text: "heredoc"},
{Line: 1, Text: "The next line is a blank line with one tab\n\t\nThe previous line is a blank line with one tab"},
},
},
{
input: []byte(`heredoc <<EOF
The next line is a blank line with one tab less than the correct indentation
The previous line is a blank line with one tab less than the correct indentation
EOF`),
expectErr: true,
errorMessage: "mismatched leading whitespace in heredoc <<EOF on line #3 [\t], expected whitespace [\t\t] to match the closing marker",
},
}
for i, testCase := range testCases {