add prescriptions for chrome, chromium-gost, skype

prescription.d/chrome.sh

+#!/bin/sh
+
+# TODO: common place
+fatal()
+{
+    echo "FATAL: $*" >&2
+    exit 1
+}
+
+[ "$1" != "--run" ] && echo "Install The popular and trusted web browser by Google (Stable Channel) from the official site" && exit
+
+[ "$(distro_info -a)" != "x86_64" ] && echo "Only x86_64 is supported" && exit 1
+
+arch=$(distro_info --distro-arch)
+pkgtype=$(distro_info -p)
+
+# don't used
+complex_get()
+{
+    epm assure curl || fatal
+    # see https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=google-chrome
+    _channel=stable
+    pkgver=$(a= curl -s https://dl.google.com/linux/chrome/rpm/stable/x86_64/repodata/other.xml.gz | gzip -df | grep -A1 google-chrome-stable | tail -n1 | sed -e 's|.* ver="\(.*\)" .*|\1|')
+
+    pkgtype=deb
+
+    PKG="https://dl.google.com/linux/chrome/deb/pool/main/g/google-chrome-${_channel}/google-chrome-${_channel}_${pkgver}-1_amd64.deb"
+}
+
+PKG="https://dl.google.com/linux/direct/google-chrome-stable_current_$arch.$pkgtype"
+
+epm install --repack "$PKG"

prescription.d/chromium-gost.sh

+#!/bin/sh
+
+# TODO: common place
+fatal()
+{
+    echo "FATAL: $*" >&2
+    exit 1
+}
+
+[ "$1" != "--run" ] && echo "Install Chromium with GOST support from the official site" && exit
+
+[ "$(distro_info -a)" != "x86_64" ] && echo "Only x86_64 is supported" && exit 1
+
+#arch=$(distro_info --distro-arch)
+#pkgtype=$(distro_info -p)
+arch=amd64
+pkgtype=deb
+
+PKG=$($EGET --list --latest https://github.com/deemru/chromium-gost/releases "chromium-gost-*linux-$arch.$pkgtype") || fatal "Can't get package URL"
+
+epm install "$PKG"

prescription.d/skype.sh

+#!/bin/sh
+
+# TODO: common place
+fatal()
+{
+    echo "FATAL: $*" >&2
+    exit 1
+}
+
+[ "$1" != "--run" ] && echo "Install Skype for Linux - Stable/Release Version from the official site" && exit
+
+[ "$(distro_info -a)" != "x86_64" ] && echo "Only x86_64 is supported" && exit 1
+
+#arch=$(distro_info --distro-arch)
+pkgtype=$(distro_info -p)
+
+# don't used
+complex_get()
+{
+    pkgtype=deb
+    # https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=skypeforlinux-stable-bin
+    _pkgname=skypeforlinux
+    pkgver=8.65.0.78
+    PKG= "https://repo.skype.com/deb/pool/main/s/${_pkgname}/${_pkgname}_${pkgver}_amd64.deb"
+}
+
+PKG="https://repo.skype.com/latest/skypeforlinux-64.$pkgtype"
+
+epm install --repack "$PKG"