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functions.sh
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functions.sh
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#!/bin/bash
# Check if the script is being sourced
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
echo "This file should not be run directly, it should be sourced from main script."
exit 1
fi
# Function to perform sed operation in a portable way
# Arguments:
# $1 - Sed expression
# $2 - Input file
func_sed() {
local tmp_file=$(mktemp)
sed_output=$(sed -E "$1" "$2" > "$tmp_file" 2>&1)
sed_exit_code=$?
if [ $sed_exit_code -eq 0 ]; then
if cmp -s "$2" "$tmp_file"; then
echo "Sed operation: No changes needed in '$2'."
else
mv "$tmp_file" "$2"
echo "Sed operation: Fix applied in '$2' :: '$1'"
fi
else
echo "Error: Sed operation failed - $sed_output"
return $sed_exit_code
fi
[[ -f "$tmp_file" ]] && rm "$tmp_file"
}
func_sudoers() {
local sudoers_file="/etc/sudoers.d/custom_homebrew_sudoers"
local current_user=$(whoami)
# Cleanup function on exit or interruption
cleanup() {
echo -e "\nAborting install..."
sudo rm -f "$sudoers_file"
sudo -k
echo "Sudo access revoked."
exit 1
}
# Set traps for signals to ensure cleanup on exit or termination
trap cleanup INT TERM HUP QUIT ABRT ALRM PIPE
# Cache sudo credentials
sudo -k
if ! sudo -v; then
echo "Failed to cache sudo credentials" >&2
exit 1
fi
# Install the sudoers file
sudo install -m 0440 /dev/stdin "$sudoers_file" <<EOF
Defaults syslog=authpriv
root ALL=(ALL) ALL
$current_user ALL=NOPASSWD: ALL
EOF
}