rustymount

Mount ZIP/JAR archives as read-only FUSE filesystems (macOS and Linux).

Install

curl -fsSL https://raw.githubusercontent.com/mauhiz/rustymount/main/install.sh | sh

Or with a specific version / install directory:

TAG=v0.1.0 INSTALL_DIR=~/.local/bin sh <(curl -fsSL https://raw.githubusercontent.com/mauhiz/rustymount/main/install.sh)

Prerequisites

• macOS: brew install --cask macfuse
• Linux: sudo apt-get install libfuse3-dev (or the equivalent for your distro)

Build from source

cargo build --release

Usage:

mkdir /tmp/mnt
rustymount some.jar /tmp/mnt
# browse contents, then:
umount /tmp/mnt

Key design notes

• Inode tree is built at startup from the ZIP central directory — flat paths like com/example/Foo.class produce virtual intermediate directory inodes.
• Decompression is lazy + cached per inode: deflate entries can't be random-accessed, so the first read decompresses the whole entry into memory; subsequent reads slice from the cache.
• Read-only, AutoUnmount on process exit.