Convert TeamCity foldable sections to GitLab CI foldable sections

convert-blocks.md

Convert TeamCity foldable sections to GitLab CI foldable sections

When switching CI/CD system systems, you have lots of scripts with sections. Cleaning them up for the next system takes some time.

Using the above pair of scripts you can get it done quickly.

convert_teamcity_to_gitlab.sh

#!/bin/bash

# Function to preprocess the file and replace spaces in the block names

# Function to convert TeamCity blocks to GitLab format
convert_teamcity_to_gitlab() {
  local file="$1"

  python3 modify_teamcity_blocks.py "$file"

  # Use gsed to replace TeamCity blockOpened with GitLab section_start
  gsed -i -r "s/echo \"##teamcity\[blockOpened name='([^']+)'\s*(description='([^']*?)')?\]\"/echo -e \"\\\\e[0Ksection_start:\$(date +%s):\1\\\\r\\\\e[0K\3\"/" "$file"

  # Use gsed to replace TeamCity blockClosed with GitLab section_end
  gsed -i -r "s/echo \"##teamcity\[blockClosed name='([^']+)'\]\"/echo -e \"\\\\e[0Ksection_end:\$(date +%s):\1\\\\r\\\\e[0K\"/" "$file"
}

# Find all .sh files and Dockerfiles in the current directory
find . -type f \( -name "*.sh" -o -name "Dockerfile" \) -print0 | while IFS= read -r -d $'\0' file; do
  # Convert TeamCity blocks to GitLab format for each file
  convert_teamcity_to_gitlab "$file"
done

# Print remaining lines with "teamcity[block" using grep
grep -R "teamcity\[block" .

modify_teamcity_blocks.py

import re
import sys

def replace_spaces_in_file(file_path):
    # Define the regex pattern
    pattern = r"##teamcity\[block(\w+) name=\'([^\']+)\'"

    # Function to replace spaces with underscores in the name group
    def replace_spaces(match):
        block_type = match.group(1)
        name = match.group(2).replace(' ', '_')
        return f"##teamcity[block{block_type} name='{name}'"

    # Read the content of the file
    try:
        with open(file_path, 'r') as file:
            file_content = file.read()
    except FileNotFoundError:
        print(f"The file {file_path} was not found.")
        sys.exit(1)

    # Perform the substitution
    modified_content = re.sub(pattern, replace_spaces, file_content)

    # Write the modified content back to the file
    with open(file_path, 'w') as file:
        file.write(modified_content)

if __name__ == "__main__":
    if len(sys.argv) != 2:
        print("Usage: python script.py <file_path>")
        sys.exit(1)

    file_path = sys.argv[1]
    replace_spaces_in_file(file_path)
    print("File modified successfully.")