install p7zip

jcofer555

Jun 7th, 2025 (edited)

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#!/bin/bash
# Ensure extra folder on flash drive exists
echo "Checking if extra exists on the flash drive"
if [ -d "/boot/extra" ]; then
echo "Extra folder already exists on the flash drive"
else
echo "Extra folder does not exist, Attempting to create it on the flash drive"
if mkdir -p "/boot/extra"; then
echo "Successfully created the extra folder on the flash drive"
else
echo "Failed to create the extra folder on the flash drive"
exit 1
fi
fi
# Function to download a package if it doesn't already exist
download_package() {
local pkg_name=$1
local pkg_url=$2
local pkg_path="/boot/extra/$pkg_name"
if [ -f "$pkg_path" ]; then
echo "Package $pkg_name already exists in /boot/extra/, skipping download"
else
echo "Downloading $pkg_name"
if wget -q -O "$pkg_path" "$pkg_url"; then
echo "Successfully downloaded $pkg_name to the flash drive extra folder"
else
echo "Failed to download $pkg_name from $pkg_url"
return 1
fi
fi
}
# Function to install a package after verifying it exists and format is correct
install_package() {
local pkg_name=$1
local pkg_url=$2
local pkg_path="/boot/extra/$pkg_name"
local check_cmd=$3
# Ensure the package exists before checking installation status
if [ -f "$pkg_path" ]; then
echo "Package $pkg_name already exists in /boot/extra"
else
echo "Package $pkg_name not found in /boot/extra/, attempting to download"
if ! download_package "$pkg_name" "$pkg_url"; then
echo "Failed to retrieve $pkg_name, aborting installation"
return 1
fi
fi
# Check if the file is empty. If empty delete and redownload
if [ ! -s "$pkg_path" ]; then
echo "Error: $pkg_name exists but is empty. Deleting and redownloading"
rm -f "$pkg_path"
if ! download_package "$pkg_name" "$pkg_url"; then
echo "Failed to re-download $pkg_name, aborting installation"
return 1
fi
else
echo "Package $pkg_name is valid"
fi
# Verify the package format. If incorrect format delete and redownload
if file "$pkg_path" | grep -q 'XZ compressed data\|gzip compressed data'; then
echo "Package $pkg_name format is correct"
else
echo "Error: $pkg_name does not appear to be a valid Slackware package. Deleting and redownloading"
rm -f "$pkg_path"
if ! download_package "$pkg_name" "$pkg_url"; then
echo "Failed to re-download $pkg_name, aborting installation"
return 1
fi
fi
# Check if package is already installed before proceeding
if eval "$check_cmd"; then
echo "$pkg_name is already installed, skipping installation"
return 0
fi
# Attempt installation
echo "Installing $pkg_name"
if installpkg "$pkg_path" >/dev/null 2>&1; then
echo "$pkg_name has been successfully installed"
else
echo "Failed to install $pkg_name"
return 1
fi
}
# Define package variables
pkg_name="p7zip-17.05-x86_64-3cf.txz"
pkg_url="https://github.com/jcofer555/unraid_packages/raw/refs/heads/main/$pkg_name"
pkg_path="/boot/extra/$pkg_name"
pkg_check="command -v 7z >/dev/null 2>&1"
# Install p7zip if missing
install_package "$pkg_name" "$pkg_url" "$pkg_check"

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