initial pkgbuild for kopia v0.7.3

.SRCINFO

@@ -0,0 +1,14 @@
+pkgbase = kopia
+	pkgdesc = A cross-platform backup-tool with encryption, deduplication, compression and cloud support.
+	pkgver = 0.7.3
+	pkgrel = 1
+	url = https://kopia.io
+	arch = x86_64
+	license = APACHE
+	makedepends = go>=1.15
+	depends = glibc
+	source = kopia-0.7.3.tar.gz::https://github.com/kopia/kopia/archive/v0.7.3.tar.gz
+	sha256sums = SKIP
+
+pkgname = kopia
+

PKGBUILD

@@ -0,0 +1,33 @@
+# Maintainer: Jens Jäschke <arch [at] jensjaeschke [dot] de>
+
+pkgname=kopia
+pkgdesc='A cross-platform backup-tool with encryption, deduplication, compression and cloud support.'
+pkgver=0.7.3
+pkgrel=1
+arch=('x86_64')
+url='https://kopia.io'
+license=('APACHE')
+depends=('glibc')
+makedepends=('go>=1.15')
+#makedepends=('go>=1.15', 'git') # git is needed if we switch to signed git commits/tags in the future
+#source=("$pkgname-$pkgver::git+https://github.com/kopia/kopia.git#commit=$(git rev-list -n 1 v$pkgver)?signed") # use git commit, if those are signed by a proper key in the future
+#source=("$pkgname-$pkgver::git+https://github.com/kopia/kopia.git#tag=v$pkgver?signed") # use git tag, if those are signed by a proper key in the future
+source=("$pkgname-$pkgver.tar.gz::https://github.com/kopia/kopia/archive/v$pkgver.tar.gz") # use unsigned tarball for now.
+sha256sums=('SKIP') #no checksum for tarball provided for now.
+
+build() {
+        cd $srcdir/$pkgname-$pkgver
+        export CGO_CPPFLAGS="${CPPFLAGS}"
+        export CGO_CFLAGS="${CFLAGS}"
+        export CGO_CXXFLAGS="${CXXFLAGS}"
+        export CGO_LDFLAGS="${LDFLAGS}"
+        export GOFLAGS="-buildmode=pie -trimpath -ldflags=-linkmode=external -mod=readonly -modcacherw"
+        echo "$CGO_CFLAGS \n $CGO_CPPFLAGS \n $CGO_CXXFLAGS \n $CGO_LDFLAGS"
+        go build
+}
+
+package() {
+    mkdir -p "$pkgdir/usr/bin/"
+    cp "$srcdir/$pkgname-$pkgver/kopia" "$pkgdir/usr/bin/"
+    chmod +x "$pkgdir/usr/bin/kopia"
+}