Adding snap to documentation and improving build scripts.

INSTALLATION.md

@@ -16,6 +16,7 @@ Install:
 Build:
 
 * [build on any Linux distro](#build-on-any-linux-distro)
+* [build snap](#snap)
 * [build on Ubuntu](#build-on-ubuntu)
 * [build on Debian](#build-on-debian)
 * [build on Fedora](#build-on-fedora)
@@ -196,6 +197,29 @@ hh
 
 Optionally [configure](CONFIGURATION.md) `hh` and check its [man page](README.md#documentation).
 
+## Build snap
+To build [snap](https://snapcraft.io/) for 'hh' first clone Git repository:
+
+```bash
+git clone https://github.com/dvorka/hstr.git
+```
+
+Make sure that you can build HSTR from source code
+as described in a "Build on ..." section for your
+distribution.
+
+Install [snapcraft](https://snapcraft.io/) and build
+snap by running snapcraft in the root of Git repository:
+
+```
+$ ls ./snap
+  snapcraft.yaml
+$ snapcraft
+  ...
+```
+
+Find `hh_0+git..._amd64.snap` in the current directory.
+
 ## Build on Ubuntu
 To build `hh` on Ubuntu clone Git repository:
 

README.md

@@ -47,6 +47,7 @@ Install:
 Build:
 
 * [build on any Linux distro](INSTALLATION.md#build-on-any-linux-distro)
+* [build snap](INSTALLATION.md#snap)
 * [build on Ubuntu](INSTALLATION.md#build-on-ubuntu)
 * [build on Debian](INSTALLATION.md#build-on-debian)
 * [build on Fedora](INSTALLATION.md#build-on-fedora)

build/debian/make-deb.sh

@@ -94,7 +94,7 @@ function buildDebPackage() {
     
     # 1.2) prune HSTR project source: tests, *.o/... build files, ...
     echo -e "\n# HSTR project cleanup ########################################"
-    rm -vrf ./.git ./hstr ./build ./test ./hstr.pro ./doc ./pad.xml
+    rm -vrf ./.git ./hstr ./build ./test ./hstr.pro ./doc ./pad.xml ./snap
     find . -type f \( -name "*.a" -or -name "*.o" -or -name "*.*~" -or -name ".gitignore" -or -name ".git" \) | while read F; do rm -vf $F; done
         
     # 1.4) create tar archive

build/tarball/tarball-automake.sh

@@ -24,7 +24,7 @@ function tarballClean() {
     if [ "${1}" = "--purge" ]
     then
 	# development files
-	rm -vrf build .git .gitignore .settings Debug Release .cproject .project hstr.pro hstr.pro.user
+	rm -vrf build .git .gitignore .settings Debug Release .cproject .project hstr.pro hstr.pro.user snap
 	rm -vf .travis.yml pad.xml _config.yml
     fi
     # garbage