diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 083725289..bb1d9e8e2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -50,3 +50,23 @@ build-x86_64:
   <<: *build_job
   variables:
     TERMUX_ARCH: x86_64
+
+## Submit build packages to repository.
+#upload-packages:
+#  stage: deploy
+#  only:
+#    - android-7@xeffyr/termux-packages
+#    - master@xeffyr/termux-packages
+#  script:
+#    - MODIFIED_PACKAGES=$(./scripts/get-modified-packages.sh)
+#    - |
+#      if [ -n "$MODIFIED_PACKAGES" ]; then
+#          ./scripts/bintray-add-package.sh --path ./termux-packages/debs $MODIFIED_PACKAGES
+#      else
+#          exit 0
+#      fi
+#  retry:
+#    max: 2
+#    when:
+#      - runner_system_failure
+#      - unknown_failure
diff --git a/scripts/bintray-add-package.sh b/scripts/bintray-add-package.sh
new file mode 100755
index 000000000..a1bd92f9d
--- /dev/null
+++ b/scripts/bintray-add-package.sh
@@ -0,0 +1,481 @@
+#!/bin/bash
+##
+##  Package uploader for Bintray.
+##
+##  Leonid Plyushch <leonid.plyushch@gmail.com> (C) 2019
+##
+##  This program is free software: you can redistribute it and/or modify
+##  it under the terms of the GNU General Public License as published by
+##  the Free Software Foundation, either version 3 of the License, or
+##  (at your option) any later version.
+##
+##  This program is distributed in the hope that it will be useful,
+##  but WITHOUT ANY WARRANTY; without even the implied warranty of
+##  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+##  GNU General Public License for more details.
+##
+##  You should have received a copy of the GNU General Public License
+##  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+##
+
+set -e
+
+TERMUX_PACKAGES_BASEDIR=$(realpath "$(dirname "$0")/../")
+if [ ! -d "$TERMUX_PACKAGES_BASEDIR/packages" ]; then
+    echo "[!] Cannot find directory 'packages'." >&2
+    exit 1
+fi
+
+# In this variable a package metadata will be stored.
+declare -gA PACKAGE_METADATA
+
+# Initialize default configuration.
+DEBFILES_DIR_PATH="$TERMUX_PACKAGES_BASEDIR/debs"
+PACKAGE_DELETE_MODE=false
+
+# Bintray-specific configuration.
+BINTRAY_REPO_NAME="termux-packages-24"
+BINTRAY_REPO_GITHUB="termux/termux-packages"
+BINTRAY_REPO_DISTRIBUTION="stable"
+BINTRAY_REPO_COMPONENT="main"
+
+# Bintray credentials that should be set as external environment
+# variables by user.
+: "${BINTRAY_USERNAME:=""}"
+: "${BINTRAY_API_KEY:=""}"
+: "${BINTRAY_GPG_SUBJECT:=""}"
+: "${BINTRAY_GPG_PASSPHRASE:=""}"
+
+# If BINTRAY_GPG_SUBJECT is not specified, then signing will be
+# done with gpg key of subject '$BINTRAY_USERNAME'.
+if [ -z "$BINTRAY_GPG_SUBJECT" ]; then
+    BINTRAY_GPG_SUBJECT="$BINTRAY_USERNAME"
+fi
+
+# Packages are built and uploaded for Termux organisation.
+BINTRAY_SUBJECT="termux"
+
+###################################################################
+
+json_metadata_dump() {
+    local pkg_licenses
+
+    SAVEIFS=$IFS; IFS=",";
+    for license in ${PACKAGE_METADATA['LICENSES']}; do
+        pkg_licenses+="\"$(echo "${license}" | sed -r 's/^\s*(\S+(\s+\S+)*)\s*$/\1/')\","
+    done
+    pkg_licenses=${pkg_licenses%%,}; IFS=$SAVEIFS;
+
+cat << EOF
+{
+    "name": "${PACKAGE_METADATA['NAME']}",
+    "desc": "${PACKAGE_METADATA['DESCRIPTION']}",
+    "version": "${PACKAGE_METADATA['VERSION_FULL']}",
+    "licenses": [${pkg_licenses}],
+    "vcs_url": "https://github.com/${BINTRAY_REPO_GITHUB}",
+    "website_url": "${PACKAGE_METADATA['WEBSITE_URL']}",
+    "issue_tracker_url": "https://github.com/${BINTRAY_REPO_GITHUB}/issues",
+    "github_repo": "${BINTRAY_REPO_GITHUB}",
+    "public_download_numbers": "true",
+    "public_stats": "false"
+}
+EOF
+}
+
+delete_package() {
+    local package_name=$1
+    local curl_response
+    local http_status_code
+    local api_response_message
+
+    echo -n "[@] Deleting published package '$package_name' from remote... " >&2
+    curl_response=$(
+        curl \
+            --silent \
+            --user "${BINTRAY_USERNAME}:${BINTRAY_API_KEY}" \
+            --request DELETE \
+            --write-out "|%{http_code}" \
+            "https://api.bintray.com/packages/${BINTRAY_SUBJECT}/${BINTRAY_REPO_NAME}/${package_name}"
+    )
+
+    http_status_code=$(echo "$curl_response" | cut -d'|' -f2)
+    api_response_message=$(echo "$curl_response" | cut -d'|' -f1 | jq -r .message)
+
+    case "$http_status_code" in
+        200)
+            echo "done" >&2
+            ;;
+        404)
+            echo "no-need" >&2
+            ;;
+        *)
+            echo "failure" >&2
+            echo "[!] $api_response_message" >&2
+            exit 1
+            ;;
+    esac
+}
+
+upload_package() {
+    local package_name=$1
+    local http_status_code
+    local api_response_message
+    declare -A debfiles_catalog
+
+    for arch in all aarch64 arm i686 x86_64; do
+        # Regular package.
+        debfiles_catalog["${package_name}_${PACKAGE_METADATA['VERSION_FULL']}_${arch}.deb"]=${arch}
+
+        # Development package.
+        debfiles_catalog["${package_name}-dev_${PACKAGE_METADATA['VERSION_FULL']}_${arch}.deb"]=${arch}
+
+        # Discover subpackages.
+        for file in $(find "$TERMUX_PACKAGES_BASEDIR/packages/$package_name" -maxdepth 1 -type f -iname \*.subpackage.sh | sort); do
+            file=$(basename "$file")
+            debfiles_catalog["${file%%.subpackage.sh}_${PACKAGE_METADATA['VERSION_FULL']}_${arch}.deb"]=${arch}
+        done
+
+        unset debfiles
+    done
+
+    # Filter out nonexistent files.
+    for item in "${!debfiles_catalog[@]}"; do
+        if [ ! -f "$DEBFILES_DIR_PATH/$item" ]; then
+            unset debfiles_catalog["$item"]
+        fi
+    done
+
+    # Verify that our catalog is not empty.
+    if [ ${#debfiles_catalog[@]} -eq 0 ]; then
+        echo "[!] No *.deb files to upload." >&2
+        exit 1
+    fi
+
+    # Delete entry for package (with all related debfiles).
+    delete_package "$package_name"
+
+    # Create new entry for package.
+    echo -n "[@] Creating new entry for package '$package_name'... " >&2
+    curl_response=$(
+        curl \
+            --silent \
+            --user "${BINTRAY_USERNAME}:${BINTRAY_API_KEY}" \
+            --request POST \
+            --header "Content-Type: application/json" \
+            --data "$(json_metadata_dump)" \
+            --write-out "|%{http_code}" \
+            "https://api.bintray.com/packages/${BINTRAY_SUBJECT}/${BINTRAY_REPO_NAME}"
+    )
+
+    http_status_code=$(echo "$curl_response" | cut -d'|' -f2)
+    api_response_message=$(echo "$curl_response" | cut -d'|' -f1 | jq -r .message)
+
+    case "$http_status_code" in
+        201)
+            echo "done" >&2
+            ;;
+        409)
+            echo "unchanged" >&2
+            ;;
+        *)
+            echo "failure" >&2
+            echo "[!] $api_response_message" >&2
+            exit 1
+            ;;
+    esac
+
+    for item in "${!debfiles_catalog[@]}"; do
+        local package_arch=${debfiles_catalog[$item]}
+
+        echo -n "[*]   Uploading '$item'... " >&2
+        curl_response=$(
+            curl \
+                --silent \
+                --user "${BINTRAY_USERNAME}:${BINTRAY_API_KEY}" \
+                --request PUT \
+                --header "X-Bintray-Debian-Distribution: $BINTRAY_REPO_DISTRIBUTION" \
+                --header "X-Bintray-Debian-Component: $BINTRAY_REPO_COMPONENT" \
+                --header "X-Bintray-Debian-Architecture: $package_arch" \
+                --header "X-Bintray-Package: ${package_name}" \
+                --header "X-Bintray-Version: ${PACKAGE_METADATA['VERSION_FULL']}" \
+                --upload-file "$DEBFILES_DIR_PATH/$item" \
+                --write-out "|%{http_code}" \
+                "https://api.bintray.com/content/${BINTRAY_SUBJECT}/${BINTRAY_REPO_NAME}/${package_arch}/${item}"
+        )
+
+        http_status_code=$(echo "$curl_response" | cut -d'|' -f2)
+        api_response_message=$(echo "$curl_response" | cut -d'|' -f1 | jq -r .message)
+
+        case "$http_status_code" in
+            201)
+                echo "done" >&2
+                ;;
+            409)
+                echo "unchanged" >&2
+                ;;
+            *)
+                echo "failure" >&2
+                echo "[!] $api_response_message" >&2
+                exit 1
+                ;;
+        esac
+    done
+
+    # Publishing package only after uploading all it's files. This will prevent
+    # spawning multiple metadata-generation jobs and will allow to sign metadata
+    # with maintainer's key.
+    echo -n "[@] Publishing package '$package_name'... " >&2
+    curl_response=$(
+        curl \
+            --silent \
+            --user "${BINTRAY_USERNAME}:${BINTRAY_API_KEY}" \
+            --request POST \
+            --header "Content-Type: application/json" \
+            --data "{\"subject\":\"${BINTRAY_GPG_SUBJECT}\",\"passphrase\":\"$BINTRAY_GPG_PASSPHRASE\"}" \
+            --write-out "|%{http_code}" \
+            "https://api.bintray.com/content/${BINTRAY_SUBJECT}/${BINTRAY_REPO_NAME}/${package_name}/${PACKAGE_METADATA['VERSION_FULL']}/publish"
+    )
+
+    http_status_code=$(echo "$curl_response" | cut -d'|' -f2)
+    api_response_message=$(echo "$curl_response" | cut -d'|' -f1 | jq -r .message)
+
+    case "$http_status_code" in
+        200)
+            echo "done" >&2
+            ;;
+        *)
+            echo "failure" >&2
+            echo "[!] $api_response_message" >&2
+            exit 1
+            ;;
+    esac
+}
+
+extract_variable_from_buildsh() {
+    local extracted_value
+    local variable_name
+    variable_name=$1
+
+    extracted_value=$(
+        set -o noglob
+
+        # When sourcing external code, do not expose variables
+        # with sensitive information.
+        unset BINTRAY_API_KEY
+        unset BINTRAY_GPG_PASSPHRASE
+        unset BINTRAY_GPG_SUBJECT
+        unset BINTRAY_SUBJECT
+        unset BINTRAY_USERNAME
+
+        [ -e "$TERMUX_PACKAGES_BASEDIR/scripts/properties.sh" ] && . "$TERMUX_PACKAGES_BASEDIR/scripts/properties.sh"
+        . "$TERMUX_PACKAGES_BASEDIR/packages/$package_name/build.sh"
+        echo "${!variable_name}"
+        set +o noglob
+    )
+
+    echo "$extracted_value"
+}
+
+process_packages() {
+    local package_name
+    local buildsh_path
+
+    for package_name in "$@"; do
+        buildsh_path="$TERMUX_PACKAGES_BASEDIR/packages/$package_name/build.sh"
+
+        if [ -f "$buildsh_path" ]; then
+            PACKAGE_METADATA["NAME"]="$package_name"
+
+            PACKAGE_METADATA["LICENSES"]=$(extract_variable_from_buildsh "TERMUX_PKG_LICENSE" "$buildsh_path")
+            if [ -z "${PACKAGE_METADATA['LICENSES']}" ]; then
+                echo "[!] Mandatory field 'TERMUX_PKG_LICENSE' of package '$package_name' is empty." >&2
+                exit 1
+            fi
+
+            PACKAGE_METADATA["DESCRIPTION"]=$(extract_variable_from_buildsh "TERMUX_PKG_DESCRIPTION" "$buildsh_path")
+            if [ -z "${PACKAGE_METADATA['DESCRIPTION']}" ]; then
+                echo "[!] Mandatory field 'TERMUX_PKG_DESCRIPTION' of package '$package_name' is empty." >&2
+                exit 1
+            fi
+
+            PACKAGE_METADATA["WEBSITE_URL"]=$(extract_variable_from_buildsh "TERMUX_PKG_HOMEPAGE" "$buildsh_path")
+            if [ -z "${PACKAGE_METADATA['WEBSITE_URL']}" ]; then
+                echo "[!] Mandatory field 'TERMUX_PKG_HOMEPAGE' of package '$package_name' is empty." >&2
+                exit 1
+            fi
+
+            PACKAGE_METADATA["VERSION"]=$(extract_variable_from_buildsh "TERMUX_PKG_VERSION" "$buildsh_path")
+            if [ -z "${PACKAGE_METADATA['VERSION']}" ]; then
+                echo "[!] Mandatory field 'TERMUX_PKG_VERSION' of package '$package_name' is empty." >&2
+                exit 1
+            fi
+
+            PACKAGE_METADATA["REVISION"]=$(extract_variable_from_buildsh "TERMUX_PKG_REVISION" "$buildsh_path")
+            if [ -n "${PACKAGE_METADATA['REVISION']}" ]; then
+                PACKAGE_METADATA["VERSION_FULL"]="${PACKAGE_METADATA['VERSION']}-${PACKAGE_METADATA['REVISION']}"
+            else
+                if [ "${PACKAGE_METADATA['VERSION']}" != "${PACKAGE_METADATA['VERSION']/-/}" ]; then
+                    PACKAGE_METADATA["VERSION_FULL"]="${PACKAGE_METADATA['VERSION']}-0"
+                else
+                    PACKAGE_METADATA["VERSION_FULL"]="${PACKAGE_METADATA['VERSION']}"
+                fi
+            fi
+        else
+            echo "[!] Cannot find 'build.sh' for package '$package_name'." >&2
+            exit 1
+        fi
+
+        if $PACKAGE_DELETE_MODE; then
+            delete_package "$package_name"
+        else
+            upload_package "$package_name"
+        fi
+    done
+
+    # In deletion mode we need to do metadata recalculation separately
+    # to ensure that it will be signed with maintainer's key.
+    if $PACKAGE_DELETE_MODE; then
+        local curl_response
+        local http_status_code
+        local api_response_message
+
+        echo -n "[@] Requesting metadata recalculation... " >&2
+        curl_response=$(
+            curl \
+                --silent \
+                --user "${BINTRAY_USERNAME}:${BINTRAY_API_KEY}" \
+                --request POST \
+                --header "Content-Type: application/json" \
+                --data "{\"subject\":\"${BINTRAY_GPG_SUBJECT}\",\"passphrase\":\"$BINTRAY_GPG_PASSPHRASE\"}" \
+                --write-out "|%{http_code}" \
+                "https://api.bintray.com/calc_metadata/${BINTRAY_SUBJECT}/${BINTRAY_REPO_NAME}/"
+        )
+
+        http_status_code=$(echo "$curl_response" | cut -d'|' -f2)
+        api_response_message=$(echo "$curl_response" | cut -d'|' -f1 | jq -r .message)
+
+        case "$http_status_code" in
+            202)
+                echo "done" >&2
+                ;;
+            *)
+                echo "failure" >&2
+                echo "[!] $api_response_message" >&2
+                ;;
+        esac
+    fi
+}
+
+show_usage() {
+    {
+        echo
+        echo "Usage: bintray-add-package.sh [OPTIONS] [package name] ..."
+        echo
+        echo "Package uploader script for Bintray."
+        echo
+        echo "Options:"
+        echo
+        echo "  -d, --delete       Delete package instead of uploading."
+        echo
+        echo "  -h, --help         Print this help."
+        echo
+        echo "  -p, --path [path]  Override path to directory with"
+        echo "                     the *.deb files."
+        echo
+        echo "Credentials are specified via environment variables:"
+        echo
+        echo "  BINTRAY_USERNAME        - User name."
+        echo "  BINTRAY_API_KEY         - User's API key."
+        echo "  BINTRAY_GPG_SUBJECT     - Owner of GPG key."
+        echo "  BINTRAY_GPG_PASSPHRASE  - GPG key passphrase."
+        echo
+    } >&2
+}
+
+###################################################################
+
+while getopts ":-:hdp:" opt; do
+    case "$opt" in
+        -)
+            case "$OPTARG" in
+                delete)
+                    PACKAGE_DELETE_MODE=true
+                    ;;
+                help)
+                    show_usage
+                    exit 0
+                    ;;
+                path)
+                    DEBFILES_DIR_PATH="${!OPTIND}"
+                    OPTIND=$((OPTIND + 1))
+
+                    if [ -z "$DEBFILES_DIR_PATH" ]; then
+                        echo "[!] Option '--${OPTARG}' requires argument." >&2
+                        show_usage
+                        exit 1
+                    fi
+
+                    if [ ! -d "$DEBFILES_DIR_PATH" ]; then
+                        echo "[!] Directory '$DEBFILES_DIR_PATH' is not exist." >&2
+                        show_usage
+                        exit 1
+                    fi
+                    ;;
+                *)
+                    echo "[!] Invalid option '$OPTARG'." >&2
+                    show_usage
+                    exit 1
+                    ;;
+            esac
+            ;;
+        d)
+            PACKAGE_DELETE_MODE=true
+            ;;
+        h)
+            show_usage
+            exit 0
+            ;;
+        p)
+            DEBFILES_DIR_PATH="${OPTARG}"
+            if [ ! -d "$DEBFILES_DIR_PATH" ]; then
+                echo "[!] Directory '$DEBFILES_DIR_PATH' is not exist." >&2
+                show_usage
+                exit 1
+            fi
+            ;;
+        *)
+            echo "[!] Invalid option '-${OPTARG}'." >&2
+            show_usage
+            exit 1
+            ;;
+    esac
+done
+shift $((OPTIND - 1))
+
+if [ $# -gt 0 ]; then
+    # These variables should never be changed.
+    readonly DEBFILES_DIR_PATH
+    readonly PACKAGE_DELETE_MODE
+    readonly TERMUX_PACKAGES_BASEDIR
+
+    # Without Bintray credentials this script is useless.
+    if [ -z "$BINTRAY_USERNAME" ]; then
+        echo "[!] Variable 'BINTRAY_USERNAME' is not set." >&2
+        exit 1
+    fi
+    if [ -z "$BINTRAY_API_KEY" ]; then
+        echo "[!] Variable 'BINTRAY_API_KEY' is not set." >&2
+        exit 1
+    fi
+    if [ -z "$BINTRAY_GPG_SUBJECT" ]; then
+        echo "[!] Variable 'BINTRAY_GPG_SUBJECT' is not set." >&2
+        exit 1
+    fi
+
+    process_packages "$@"
+    exit 0
+else
+    echo "[!] No packages specified." >&2
+    show_usage
+    exit 1
+fi