build-package: install licenses to $PREFIX/share/$PKG/LICENSE

build-package.sh

@@ -120,6 +120,9 @@ termux_step_post_make_install() {
 	return
 }
 
+# Link/copy the LICENSE for the package to $TERMUX_PREFIX/share/$TERMUX_PKG_NAME/
+source scripts/build/termux_step_install_license.sh
+
 # Function to cp (through tar) installed files to massage dir
 source scripts/build/termux_step_extract_into_massagedir.sh
 
@@ -175,6 +178,7 @@ source scripts/build/termux_step_finish_build.sh
 	termux_step_make_install
 	cd "$TERMUX_PKG_BUILDDIR"
 	termux_step_post_make_install
+	termux_step_license
 	cd "$TERMUX_PKG_MASSAGEDIR"
 	termux_step_extract_into_massagedir
 	cd "$TERMUX_PKG_MASSAGEDIR"

docs/BUILD.md

@@ -61,15 +61,16 @@ Package build flow is controlled by script [build-package.sh](../build-package.s
 | 15    | `termux_step_make` | yes | Make the package. |
 | 16    | `termux_step_make_install` | yes | Install the package. |
 | 17    | `termux_step_post_make_install` | yes | Hook before extraction. |
-| 18    | `termux_step_extract_into_massagedir` | no with `make_install` | Extracts installed files. |
-| 19    | `termux_step_massage` | no | Remove unusable files. |
-| 19.1  | `termux_create_subpackages` | no | Creates all subpackages. |
-| 20    | `termux_step_post_massage` | yes | Final hook before packaging. |
-| 21    | `termux_step_create_datatar` | no | Archive package files. |
-| 22    | `termux_step_create_debfile` | no | Create package. |
-| 22.1  | `termux_step_create_debscripts` | yes | Create additional Debian package files. |
-| 23    | `termux_step_compare_debfiles` | no | Compare packages if `-i` option is specified. |
-| 24    | `termux_step_finish_build` | no | Notification of finish. |
+| 18    | `termux_step_install_license` | yes | ln or cp package LICENSE to usr/share/PKG/. |
+| 19    | `termux_step_extract_into_massagedir` | no with `make_install` | Extracts installed files. |
+| 20    | `termux_step_massage` | no | Remove unusable files. |
+| 20.1  | `termux_create_subpackages` | no | Creates all subpackages. |
+| 21    | `termux_step_post_massage` | yes | Final hook before packaging. |
+| 22    | `termux_step_create_datatar` | no | Archive package files. |
+| 23    | `termux_step_create_debfile` | no | Create package. |
+| 23.1  | `termux_step_create_debscripts` | yes | Create additional Debian package files. |
+| 24    | `termux_step_compare_debfiles` | no | Compare packages if `-i` option is specified. |
+| 25    | `termux_step_finish_build` | no | Notification of finish. |
 
 Order specifies function sequence. 0 order specifies utility functions.
 

packages/apt/build.sh

@@ -1,11 +1,11 @@
 TERMUX_PKG_HOMEPAGE=https://packages.debian.org/apt
 TERMUX_PKG_DESCRIPTION="Front-end for the dpkg package manager"
 TERMUX_PKG_LICENSE="GPL-2.0"
-TERMUX_PKG_DEPENDS="libcurl, libiconv, liblzma, dpkg, gpgv, libc++, termux-exec, zlib"
+TERMUX_PKG_DEPENDS="libcurl, libiconv, liblzma, dpkg, gpgv, libc++, termux-exec, zlib, termux-licenses"
 TERMUX_PKG_RECOMMENDS="game-repo, science-repo"
 TERMUX_PKG_SUGGESTS="unstable-repo"
 TERMUX_PKG_VERSION=1.4.9
-TERMUX_PKG_REVISION=7
+TERMUX_PKG_REVISION=8
 TERMUX_PKG_SHA256=d4d65e7c84da86f3e6dcc933bba46a08db429c9d933b667c864f5c0e880bac0d
 TERMUX_PKG_SRCURL=http://ftp.debian.org/debian/pool/main/a/apt/apt_${TERMUX_PKG_VERSION}.tar.xz
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="

scripts/build/termux_step_install_license.sh

@@ -0,0 +1,21 @@
+termux_step_install_license() {
+	mkdir -p "$TERMUX_PREFIX/share/$TERMUX_PKG_NAME"
+	local COUNTER=0
+	for LICENSE in $(echo $TERMUX_PKG_LICENSE | sed 's/,/ /g'); do
+		if [ -f "$TERMUX_SCRIPTDIR/packages/termux-licenses/LICENSES/${LICENSE}.txt" ]; then
+			if [[ $COUNTER > 0 ]]; then
+				ln -s "../licenses/${LICENSE}.txt" "$TERMUX_PREFIX/share/$TERMUX_PKG_NAME/LICENSE.${COUNTER}"
+			else
+				ln -s "../licenses/${LICENSE}.txt" "$TERMUX_PREFIX/share/$TERMUX_PKG_NAME/LICENSE"
+			fi
+		else
+			for POSSIBLE_LICENSE in "LICENSE*" "license*" "COPYRIGHT" "copyright"; do
+				if [ -f "$TERMUX_PKG_SRCDIR/$POSSIBLE_LICENSE" ]; then
+					cp "$TERMUX_PKG_SRCDIR/$POSSIBLE_LICENSE" "$TERMUX_PREFIX/share/$TERMUX_PKG_NAME/"
+					break
+				fi
+			done
+		fi
+		COUNTER=$((COUNTER + 1))
+	done
+}

scripts/build/termux_step_start_build.sh

@@ -107,7 +107,7 @@ termux_step_start_build() {
 		 "$TERMUX_PKG_TMPDIR" \
 		 "$TERMUX_PKG_CACHEDIR" \
 		 "$TERMUX_PKG_MASSAGEDIR" \
-		 $TERMUX_PREFIX/{bin,etc,lib,libexec,share,tmp,include}
+		 $TERMUX_PREFIX/{bin,etc,lib,libexec,share,share/licenses,tmp,include}
 
 	# Make $TERMUX_PREFIX/bin/sh executable on the builder, so that build
 	# scripts can assume that it works on both builder and host later on: