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Drop Ubuntu 20.04 support #20

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Merged
yorch merged 1 commit into from
Feb 2, 2026
Merged

Drop Ubuntu 20.04 support #20

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1 change: 0 additions & 1 deletion .github/workflows/ci.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,6 @@ jobs:
strategy:
matrix:
base_image:
- "ubuntu:20.04"
- "ubuntu:22.04"
- "ubuntu:24.04"

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9 changes: 4 additions & 5 deletions AGENTS.md
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Expand Up @@ -2,17 +2,17 @@

## Project Overview

Ubuntu Server Bootstrap is an opinionated bash script for provisioning Ubuntu 18+ servers with development and DevOps tools. It installs Docker CE, Docker Compose v2, Zsh with Prezto, and a curated set of CLI tools (ripgrep, fd, fzf, ag, tig, htop, byobu, neovim, etc.).
Ubuntu Server Bootstrap is an opinionated bash script for provisioning Ubuntu 22+ servers with development and DevOps tools. It installs Docker CE, Docker Compose v2, Zsh with Prezto, and a curated set of CLI tools (ripgrep, fd, fzf, ag, tig, htop, byobu, neovim, etc.).

**Supported Ubuntu LTS versions:** 20.04, 22.04, 24.04 (x86_64 only)
**Supported Ubuntu LTS versions:** 22.04, 24.04 (x86_64 only)

## Project Structure

```
bootstrap.sh # Main provisioning script (~393 lines)
run-tests.sh # Test runner - builds Docker images per Ubuntu version
Dockerfile # Container definition for testing
.github/workflows/ci.yaml # GitHub Actions CI (matrix: 20.04, 22.04, 24.04)
.github/workflows/ci.yaml # GitHub Actions CI (matrix: 22.04, 24.04)
.zpreztorc # Zsh Prezto configuration
.editorconfig # Editor style rules
```
Expand Down Expand Up @@ -48,12 +48,11 @@ Each tool follows this pattern:
Tests are Docker-based. Each supported Ubuntu version builds a container that runs the full bootstrap script:

```bash
bash run-tests.sh ubuntu:20.04
bash run-tests.sh ubuntu:22.04
bash run-tests.sh ubuntu:24.04
```

CI runs all three versions in parallel via GitHub Actions matrix strategy.
CI runs both versions in parallel via GitHub Actions matrix strategy.

## Requirements

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1 change: 0 additions & 1 deletion bootstrap.sh
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Expand Up @@ -38,7 +38,6 @@ CURL_CMD="curl -sSLf"
SPINNER_PID=""

UBUNTU_SUPPORTED_VERSIONS=(
"20.04"
"22.04"
"24.04"
)
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1 change: 0 additions & 1 deletion run-tests.sh
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@@ -1,7 +1,6 @@
#!/bin/bash

BASE_IMAGES=(
"ubuntu:20.04"
"ubuntu:22.04"
"ubuntu:24.04"
)
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