new package: unpaper

packages/unpaper/build.sh

@@ -0,0 +1,21 @@
+TERMUX_PKG_HOMEPAGE=https://www.flameeyes.com/projects/unpaper
+TERMUX_PKG_DESCRIPTION="A post-processing tool for scanned sheets of paper"
+TERMUX_PKG_LICENSE="GPL-2.0"
+TERMUX_PKG_MAINTAINER="@termux"
+_COMMIT=e5154081c1c944719ff6ba70a8c114d1656ea799
+TERMUX_PKG_VERSION=2022.01.21
+TERMUX_PKG_SRCURL=https://github.com/unpaper/unpaper.git
+TERMUX_PKG_DEPENDS="ffmpeg"
+TERMUX_PKG_GIT_BRANCH=main
+
+termux_step_post_get_source() {
+	git fetch --unshallow
+	git checkout $_COMMIT
+
+	local version="$(git log -1 --format=%cs | sed 's/-/./g')"
+	if [ "$version" != "$TERMUX_PKG_VERSION" ]; then
+		echo -n "ERROR: The specified version \"$TERMUX_PKG_VERSION\""
+		echo " is different from what is expected to be: \"$version\""
+		return 1
+	fi
+}