CAMEL-23226: Enhance Shell with rich prompt, banner, and auto-suggestions#22170
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CAMEL-23226: Enhance Shell with rich prompt, banner, and auto-suggestions#22170
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🌟 Thank you for your contribution to the Apache Camel project! 🌟 🐫 Apache Camel Committers, please review the following items:
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🧪 CI tested the following changed modules:
Build reactor — dependencies compiled but only changed modules were tested (4 modules)
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This was referenced Mar 21, 2026
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add PosixCommandGroup (cd, ls, grep, cat, head, tail, etc.), InteractiveCommandGroup (nano, less, ttop), and enable script/variable commands for a richer shell experience. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…port - Add DefaultAliasManager with persistence at ~/.camel-jbang-aliases for persistent alias/unalias commands - Add init script support via ~/.camel-jbang-init file - Remove scriptCommands(true) which requires a scriptRunner to function Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
…ions Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
JLine 4.0.8 includes jline/jline3#1708 which fixes PicocliCommandRegistry to use picocli's AutoComplete for proper tab completion of options, option values, positional parameters, and nested subcommands. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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- Restore HELP_COLORS variable for colored help output - Restore OTHERS_GROUP_NAME and COMPLETION_STYLE_GROUP variables - Use EnvironmentHelper.isColorEnabled() instead of duplicated logic - Use ShellBuilder import instead of FQCN where possible - Add TODO for replacing AutosuggestionWidgets with CommandTailTipWidgets (needs ShellBuilder to expose CommandDispatcher in onReaderReady callback) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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JIRA: CAMEL-23226
Summary
Builds on top of PR #22166 (Shell alias persistence) to add visual and UX enhancements to the JLine 4 shell:
camelin Camel orange (RGB), version in green:camel 4.19.0>Apache Camel JBang Shell v4.19.0with styled colors on startup, plus help hint~/work/my-project) in dim textAutosuggestionWidgetsfor ghost-text history suggestions (press right-arrow to accept)NO_COLOR/FORCE_COLORenvironment variables per https://no-color.org/Uses JLine's
AttributedStringBuilderwithforegroundRgb()for true-color terminal support. No Jansi dependency needed.Test plan
camel shelland verify colored prompt with version numberNO_COLOR=1and verify all output is plain textexitand Ctrl-C still quit cleanly