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fix(cli): respect preserve-new-lines flag in CLI renderer - #985

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syf2211:fix/858-preserve-new-lines-cli
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fix(cli): respect preserve-new-lines flag in CLI renderer#985
syf2211 wants to merge 1 commit into
charmbracelet:masterfrom
syf2211:fix/858-preserve-new-lines-cli

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@syf2211

@syf2211 syf2211 commented Jun 25, 2026

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Summary

CLI mode always passed glamour.WithPreservedNewLines(), ignoring the -n flag and config default.

Motivation

TUI mode already respects preserveNewLines in ui/pager.go, but executeCLI forced preserved newlines for every render. That made CLI output differ from TUI and contributed to glow #858 list rendering complaints.

Changes

  • Build CLI glamour options conditionally, matching TUI behavior
  • Add TestCLIPreserveNewLinesFlag to verify the default path collapses soft breaks

Tests

  • go test ./... -count=1 — pass

Notes

Full fix for list soft breaks inside list items requires the companion glamour change in charmbracelet/glamour#580 and a follow-up dependency bump once released.

Related to #858

CLI mode unconditionally applied glamour.WithPreservedNewLines(), ignoring
the -n flag and config default. Match TUI behavior by only enabling the
option when preserveNewLines is true.

Related to charmbracelet#858
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