Add BackTunnel package: Reverse SSH folder sharing toolkit with KDE integration. Includes service menu support, bash completion, and desktop launcher.

PKGBUILD

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+# Maintainer: Matjaž Mozetič <matjaz@matmoz.si>
+# Project: BackTunnel – Reverse SSH folder sharing toolkit with Dolphin (KDE) integration
+# Repo: https://labs.pmisuite.com/PMISuite/BackTunnel
+
+pkgname=backtunnel
+pkgver=1.1.0
+pkgrel=1
+pkgdesc="BackTunnel – Reverse SSH folder sharing toolkit with Dolphin (KDE) service menus"
+arch=('any')
+url="https://labs.pmisuite.com/PMISuite/BackTunnel"
+license=('GPL3')
+depends=('bash' 'openssh' 'sshfs' 'kdialog' 'konsole')
+optdepends=('bash-completion: tab completion for backtunnel-share/access'
+            'plasma-desktop: Dolphin (KDE/Plasma) service menus')
+makedepends=('git')
+source=("git+https://labs.pmisuite.com/PMISuite/BackTunnel.git")
+sha256sums=('SKIP')
+install=${pkgname}.install
+
+pkgver() {
+  cd "${srcdir}/BackTunnel"
+  if git describe --tags --abbrev=0 >/dev/null 2>&1; then
+    local tag; tag=$(git describe --tags --abbrev=0)
+    local desc; desc=$(git describe --tags --long --match "${tag}" 2>/dev/null || git describe --tags --long)
+    # v1.2.3-4-gabcd123 -> 1.2.3.r4.gabcd123
+    echo "${desc}" | sed -E 's/^v//; s/-([0-9]+)-g/.r\1.g/; s/-/./g'
+  else
+    printf "0.0.0.r%s.g%s\n" "$(git rev-list --count HEAD)" "$(git rev-parse --short HEAD)"
+  fi
+}
+
+package() {
+  cd "${srcdir}/BackTunnel"
+
+  # Binaries
+  install -Dm755 "scripts/backtunnel-share" "${pkgdir}/usr/bin/backtunnel-share"
+  install -Dm755 "scripts/backtunnel-access" "${pkgdir}/usr/bin/backtunnel-access"
+
+  # Man page
+  install -Dm644 "man/backtunnel.1" "${pkgdir}/usr/share/man/man1/backtunnel.1"
+
+  # Bash completion (install for both command names)
+  install -Dm644 "completions/backtunnel.bash" "${pkgdir}/usr/share/bash-completion/completions/backtunnel-share"
+  install -Dm644 "completions/backtunnel.bash" "${pkgdir}/usr/share/bash-completion/completions/backtunnel-access"
+
+  # Desktop launcher
+  install -Dm644 "desktop/backtunnel.desktop" "${pkgdir}/usr/share/applications/backtunnel.desktop"
+
+  # Dolphin service menus (Plasma 6 and Plasma 5)
+  install -Dm644 "servicemenus/backtunnel_share.desktop" "${pkgdir}/usr/share/kio/servicemenus/backtunnel_share.desktop"
+  install -Dm644 "servicemenus/backtunnel_access.desktop" "${pkgdir}/usr/share/kio/servicemenus/backtunnel_access.desktop"
+  install -Dm644 "servicemenus/backtunnel_share.desktop" "${pkgdir}/usr/share/kservices5/ServiceMenus/backtunnel_share.desktop"
+  install -Dm644 "servicemenus/backtunnel_access.desktop" "${pkgdir}/usr/share/kservices5/ServiceMenus/backtunnel_access.desktop"
+
+  # Docs
+  install -Dm644 "docs/README.md" "${pkgdir}/usr/share/doc/${pkgname}/README.md"
+
+  # License
+  install -Dm644 "LICENSE" "${pkgdir}/usr/share/licenses/${pkgname}/LICENSE"
+}

backtunnel.install

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+post_install() {
+  # Refresh desktop DB
+  if command -v update-desktop-database >/dev/null 2>&1; then
+    update-desktop-database -q || true
+  fi
+  # Rebuild KDE service cache
+  if command -v kbuildsycoca6 >/dev/null 2>&1; then
+    kbuildsycoca6 --noincremental >/dev/null 2>&1 || true
+  elif command -v kbuildsycoca5 >/dev/null 2>&1; then
+    kbuildsycoca5 --noincremental >/dev/null 2>&1 || true
+  fi
+}
+
+post_upgrade() {
+  post_install
+}
+
+post_remove() {
+  if command -v update-desktop-database >/dev/null 2>&1; then
+    update-desktop-database -q || true
+  fi
+  if command -v kbuildsycoca6 >/dev/null 2>&1; then
+    kbuildsycoca6 --noincremental >/dev/null 2>&1 || true
+  elif command -v kbuildsycoca5 >/dev/null 2>&1; then
+    kbuildsycoca5 --noincremental >/dev/null 2>&1 || true
+  fi
+}