Add termux-info tool (#422)

* Add termux-info tool

* Add more information to termux-info

* Resolve conflicts. Add comment and fix Typo.

* remove empty lines in output

packages/termux-tools/build.sh

@@ -1,6 +1,6 @@
 TERMUX_PKG_HOMEPAGE=https://termux.com/
 TERMUX_PKG_DESCRIPTION="Basic system tools for Termux"
-TERMUX_PKG_VERSION=0.41
+TERMUX_PKG_VERSION=0.42
 TERMUX_PKG_PLATFORM_INDEPENDENT=yes
 TERMUX_PKG_CONFFILES="etc/motd"
 
@@ -18,7 +18,7 @@ termux_step_make_install () {
 		chmod +x $TERMUX_PREFIX/bin/$tool
 	done
 
-	cp -p $TERMUX_PKG_BUILDER_DIR/{dalvikvm,su,termux-fix-shebang,termux-reload-settings,termux-setup-storage,chsh,termux-open-url,termux-wake-lock,termux-wake-unlock,login,packages,termux-open} $TERMUX_PREFIX/bin/
+	cp -p $TERMUX_PKG_BUILDER_DIR/{dalvikvm,su,termux-fix-shebang,termux-reload-settings,termux-setup-storage,chsh,termux-open-url,termux-wake-lock,termux-wake-unlock,login,packages,termux-open,termux-info} $TERMUX_PREFIX/bin/
 	perl -p -i -e "s%\@TERMUX_PREFIX\@%${TERMUX_PREFIX}%g" $TERMUX_PREFIX/bin/dalvikvm
 
 	cp $TERMUX_PKG_BUILDER_DIR/motd $TERMUX_PREFIX/etc/motd

packages/termux-tools/termux-info

@@ -0,0 +1,53 @@
+#!/data/data/com.termux/files/usr/bin/sh
+
+
+if [ "$#" != "0" ]; then
+        echo 'usage: termux-info'
+				echo 'Provides information about Termux, and the current system. Helpful for debugging.'
+        exit
+fi
+
+
+
+version() {
+	if [ -e "$PREFIX/version" ]; then
+		cat "$PREFIX/version"
+	else
+        #Last version that didn't have a way to detect Termux version
+		echo '<=0.48'
+	fi
+}
+apps() {
+	pm list packages -i | grep com.termux
+}
+updates() {
+	apt update >/dev/null 2>&1
+	updatable=$(apt list --upgradable 2>/dev/null | tail -n +2)
+	if [ -z "$updatable" ];then
+		echo "All packages up to date"
+	else
+		echo "$updatable"
+	fi
+}
+output="Termux version:
+$(version)
+Installed Termux apps:
+$(apps)
+Updatable packages:
+$(updates)
+System information:
+$(uname -a)
+Termux-packages arch:
+$(dpkg --print-architecture)
+Android version:
+$(getprop ro.build.version.release)
+Device manufacturer:
+$(getprop ro.product.manufacturer)
+Device model:
+$(getprop ro.product.model)"
+echo "$output"
+# Copy to clipboard (requires termux-api)
+# use timeout in case termux-api is installed but the termux:api app is missing
+echo "$output" | busybox timeout -t 3 termux-clipboard-set 2>/dev/null
+busybox timeout -t 3 termux-toast "Information has been copied to the clipboard" 2>/dev/null
+exit 0