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2026-07-01native: pick the NDK host toolchain tag by build hostjsvk1-1/+13
The NDK names its prebuilt toolchain directory after the build host, not the target. Hardcoding linux-x86_64 broke rsync/build.sh and rsh/build.sh on macOS, which ships the toolchain under darwin-x86_64 (x86_64 binaries, run under Rosetta on Apple Silicon). Detect the host with uname and fail loud on anything else. Link: https://codeberg.org/0xlena/rsend/pulls/1
2026-07-01rsh: reject an invalid RSH_PORTLena1-8/+19
A garbage or out-of-range port silently fell back to 22 and connected to the wrong place; fail loud instead.
2026-07-01keys: never write the plaintext private key to diskLena2-31/+18
rsh -keygen printed the pubkey but wrote the key pair into a directory, so generating a key briefly left the plaintext private key on flash, contradicting the documented invariant that it only ever exists in memory. -keygen now emits the private key PEM on stdout and nothing else; the app encrypts it immediately and derives the public key via -pubkey, reusing the validated import path. Keygen failures now surface as an error dialog instead of crashing the app from a bare thread.
2026-01-01rsend: push phone folders to a home SSH host over rsyncLena7-0/+784
A small Android app for one-way folder backup, a KISS alternative to Syncthing. It bundles rsync (built from pinned source via the NDK) and a pure-Go SSH transport, both shipped in the APK as lib*.so and run from the native library directory. rsend pins the host key, stores the ed25519 identity Keystore-encrypted, pushes each folder additively or as a mirror, and runs on demand or on a WiFi-only schedule. The build is self-contained and reproducible: make setup provisions the toolchain, make builds rsync, rsh, and the APK.