rsend: push phone folders to a home SSH host over rsync

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.

8 files changed, 20 insertions, 0 deletions

diff --git a/fastlane/metadata/android/en-US/changelogs/1.txt b/fastlane/metadata/android/en-US/changelogs/1.txt
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+First release. rsync-over-SSH push of phone folders to a home host, with
+rsync and the SSH transport built from source and bundled in the APK. One-way
+push, WiFi-only by default, periodic or manual, ed25519 key auth with pinned
+host-key verification.
diff --git a/fastlane/metadata/android/en-US/full_description.txt b/fastlane/metadata/android/en-US/full_description.txt
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+Pushes configured phone folders (DCIM, WhatsApp media, call recordings, and
+so on) to a home SSH host using rsync over SSH. One-way push only, on WiFi
+by default, periodic or on demand.
+
+rsync and the SSH transport are built from source and shipped inside the
+APK; nothing prebuilt is bundled. The app needs all-files access to read
+arbitrary backup folders such as OEM call-recording directories.
+
+Features:
+
+* Incremental transfers; large videos resume (rsync --partial).
+* Per-folder deletion policy: additive backup or mirror.
+* Runs on unmetered WiFi, periodically or on demand.
+* ed25519 key auth with strict, pinned host-key verification.
diff --git a/fastlane/metadata/android/en-US/images/phoneScreenshots/1.png b/fastlane/metadata/android/en-US/images/phoneScreenshots/1.png
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+++ b/fastlane/metadata/android/en-US/images/phoneScreenshots/1.png
diff --git a/fastlane/metadata/android/en-US/images/phoneScreenshots/2.png b/fastlane/metadata/android/en-US/images/phoneScreenshots/2.png
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index 0000000..a882b86
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+++ b/fastlane/metadata/android/en-US/images/phoneScreenshots/2.png
diff --git a/fastlane/metadata/android/en-US/images/phoneScreenshots/3.png b/fastlane/metadata/android/en-US/images/phoneScreenshots/3.png
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+++ b/fastlane/metadata/android/en-US/images/phoneScreenshots/3.png
diff --git a/fastlane/metadata/android/en-US/images/phoneScreenshots/4.png b/fastlane/metadata/android/en-US/images/phoneScreenshots/4.png
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+++ b/fastlane/metadata/android/en-US/images/phoneScreenshots/4.png
diff --git a/fastlane/metadata/android/en-US/short_description.txt b/fastlane/metadata/android/en-US/short_description.txt
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+++ b/fastlane/metadata/android/en-US/short_description.txt
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+Push phone folders to a home SSH host with rsync over SSH
diff --git a/fastlane/metadata/android/en-US/title.txt b/fastlane/metadata/android/en-US/title.txt
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+rsend