gistfile1.txt

#!/bin/bash

set -euo pipefail

# Constants
REGEX='s/^(\s*)pub(\(.*\))?\s/\1/'
EX=".rs"
MSG="removing public modifier(s) in"
CHECK="cargo check --all --tests --examples --benches"

# Check current directory is a Rust project root and tracked by Git
CUR_DIR=$(pwd)
if [ ! -f "$CUR_DIR/Cargo.toml" ] || [ ! -d "$CUR_DIR/src" ] || [ ! -d "$CUR_DIR/.git" ]; then
    echo "Not a valid Rust project root or not a Git repository."
    exit 1
fi

# Check for a clean git working directory
if [ -n "$(git status --porcelain)" ]; then
    echo "Working directory is not clean. Please commit any changes first."
    exit 1
fi

# Function to apply regex to a single line
apply_regex_to_line() {
    local file="$1"
    local line_num="$2"
    gsed -i -E "${line_num}${REGEX}" "$file"
}

# Iterate over files
gfind "$CUR_DIR/src" -type f -name "*$EX" | while read -r F; do
    line_count=$(wc -l < "$F")
    for (( i=1; i<=line_count; i++ )); do
        # Print current line and filename every 10th line
        if (( i % 25 == 0 )); then
            echo "Processing line $i in file $F"
        fi

        # Make a copy of the file
        cp "$F" "${F}.bak"

        # Apply regex to the current line
        apply_regex_to_line "$F" "$i"

        # Check if the file changed
        if ! cmp -s "$F" "${F}.bak"; then
            echo "Testing change in $F line $i"
            # If changes were made, check and possibly commit them
            if $CHECK > /dev/null 2>&1; then
                relative_path=$(realpath --relative-to="$CUR_DIR" "$F")
                # Commit changes with relative file path in the message
                git add "$F"
                git commit -m "$MSG $relative_path"
            else
                # Revert changes if check failed
                mv "${F}.bak" "$F"
            fi
        fi

        # Clean up backup file
        rm -f "${F}.bak"
    done
done