rebuild for libgit2-1.2.0, enable offline build

PKGBUILD

 # Maintainer: Orhun Parmaksız <orhun@archlinux.org>
+# Maintainer: Caleb Maclennan <caleb@alerque.com>
 # Contributor: Stephen Gregoratto <dev@sgregoratto.me>
 # Contributor: Ossama Hjaji <ossama-hjaji@live.fr>
 
 pkgname=onefetch
 pkgver=2.10.2
-pkgrel=1
+pkgrel=2
 pkgdesc="Git repository summary on your terminal"
 url="https://github.com/o2sh/onefetch"
 license=('MIT')
 arch=('x86_64')
-depends=('libgit2')
+depends=('libgit2' 'libgit2.so')
 makedepends=('rust')
 source=("$pkgname-$pkgver.tar.gz::$url/archive/v$pkgver.tar.gz")
 sha256sums=('6e4d4effcd4fd94ce21625a5e32da5da6446c8874200e40dd791e623b7aff7bb')
 
+prepare() {
+  cd "$pkgname-$pkgver"
+  cargo fetch --locked --target "$CARCH-unknown-linux-gnu"
+}
+
 build() {
   cd "$pkgname-$pkgver"
-  cargo build --release --all-features --locked
+  cargo build --frozen --release --all-features
 }
 
 check() {
   cd "$pkgname-$pkgver"
-  cargo test --release --locked
+  cargo test --frozen --all-features
 }
 
 package() {