ebiten_debug.sh

#!/bin/bash

# Function to retrieve a specific line from a GitHub file
fetch_github_line() {
    local file="$1"
    local line="$2"

    # Construct GitHub raw content URL
    github_path=$(echo "$file" | sed -E 's/.*cimgui-go\/?//')
    github_url="https://raw.githubusercontent.com/gabstv/cimgui-go/main/$github_path"

    # Fetch the specific line using sed
    github_line=$(curl -s "$github_url" | sed -n "${line}p")

    if [ -n "$github_line" ]; then
        echo "Line $line from $(basename "$file"):" >&2
        echo "$github_line" >&2
    else
        echo "Couldn't retrieve the specified line from GitHub." >&2
    fi
}

# Create named pipes for output and exit status
output_pipe=$(mktemp -u)
mkfifo "$output_pipe"
exit_status_pipe=$(mktemp -u)
mkfifo "$exit_status_pipe"

# Temporary file for storing output
output_file=$(mktemp)

# Run the Go program in the background, capturing its output and exit status
{
    "$@" > "$output_pipe" 2>&1
    echo $? > "$exit_status_pipe"
} &

# Read and display output in real-time while capturing it
while IFS= read -r line; do
    echo "$line"
    echo "$line" >> "$output_file"
done < "$output_pipe" &

# Wait for the Go program to finish and read its exit status
read exit_status < "$exit_status_pipe"

# If exit status is 1, search for file and line number in the output
if [ "$exit_status" -eq 1 ]; then
    file_line=$(grep -E "File: .*/cimgui-go/.*\.cpp, Line: [0-9]+" "$output_file" | tail -n 1)

    if [ -n "$file_line" ]; then
        file=$(echo "$file_line" | sed -E 's/File: (.*), Line:.*/\1/')
        line=$(echo "$file_line" | sed -E 's/.*Line: ([0-9]+)/\1/')

        fetch_github_line "$file" "$line"
    fi
fi

# Clean up
rm -f "$output_pipe" "$exit_status_pipe" "$output_file"

# Exit with the same status as the Go program
exit "$exit_status"

This is for gabstv/ebiten-imgui#22