add pin for packages that exist in native repo

Author: silentJET85

deb-get

@@ -342,6 +342,11 @@ function install_apt() {
             remove_repo --remove-repo --quiet
             return
         fi
+        if [[ "${APT_PIN}" == 1 ]]; then
+            add_apt_pin "${APP}" "${APT_REPO_URL}"
+        else
+            remove_apt_pin "${APP}"
+        fi
         if ! ${ELEVATE} apt-get -q=2 -o Dpkg::Progress-Fancy="1" -y install "${APP}"; then
             remove_repo --remove-repo --quiet
             return
@@ -350,6 +355,11 @@ function install_apt() {
         maint_supported_cache
     else
         if [ "${ACTION}" == "reinstall" ]; then
+            if [[ "${APT_PIN}" == 1 ]]; then
+                add_apt_pin "${APP}" "${APT_REPO_URL}"
+            else 
+                remove_apt_pin "${APP}"
+            fi
             if ! ${ELEVATE} apt-get -q=2 -o Dpkg::Progress-Fancy="1" -y --reinstall --allow-downgrades install "${APP}"; then
                 return
             fi
@@ -379,6 +389,11 @@ function install_deb() {
         if ! download_deb "${URL}" "${FILE}"; then
             return
         fi
+        if [[ "${APT_PIN}" == 1 ]]; then
+            add_apt_pin "${APP}"
+        else
+            remove_apt_pin "${APP}"
+        fi
         if ! ${ELEVATE} apt-get -q=2 -o Dpkg::Progress-Fancy="1" -y install "${CACHE_DIR}/${FILE}"; then
             return
         fi
@@ -389,6 +404,11 @@ function install_deb() {
             if ! download_deb "${URL}" "${FILE}"; then
                 return
             fi
+            if [[ "${APT_PIN}" == 1 ]]; then
+                add_apt_pin "${APP}"
+            else
+                remove_apt_pin "${APP}"
+            fi
             if ! ${ELEVATE} apt-get -q=2 -o Dpkg::Progress-Fancy="1" -y --reinstall --allow-downgrades install "${CACHE_DIR}/${FILE}"; then
                 return
             fi
@@ -440,7 +460,7 @@ function remove_deb() {
         apt|ppa)
             remove_repo "${3}";;
     esac
-
+    remove_apt_pin "${APP}"
 }
 
 function version_deb() {
@@ -1345,6 +1365,27 @@ function remove_installed() {
     ${ELEVATE} sed -i "/^${1} /d" "${ETC_DIR}/installed"
 }
 
+function add_apt_pin() {
+    local DOMAIN="${2#*//}"; DOMAIN="${DOMAIN%%/*}"; DOMAIN="${DOMAIN%%[[:space:]]*}"
+    if ! [[ -d /etc/apt/preferences.d ]]; then ${ELEVATE} mkdir "/etc/apt/preferences.d"; fi
+    fancy_message info "Adding pin: /etc/apt/preferences.d/99_deb-get_${1}"
+    # if a second parameter is not passed, origin will be set to "" which will prioritize local deb files.
+    printf "%s\n" "Package: ${1}" "Pin: origin \"${DOMAIN}\"" "Pin-Priority: 1001" | ${ELEVATE} tee "/etc/apt/preferences.d/99_deb-get_${1}" > /dev/null
+    if [[ -n "${DOMAIN}" ]]; then
+        update_only_repo
+    else
+        update_apt
+    fi
+}
+
+function remove_apt_pin() {
+    if [[ -e "/etc/apt/preferences.d/99_deb-get_${1}" ]]; then
+        fancy_message info "Removing /etc/apt/preferences.d/99_deb-get_${1}"
+        ${ELEVATE} rm "/etc/apt/preferences.d/99_deb-get_${1}"
+        update_apt
+    fi
+}
+
 function list_apps() {
     list_local_apps; list_repo_apps
     declare -F | sed -n -e 's|declare -f deb_|00-builtin/|gp'