install.sh: check if dependencies are installed

README.md

@@ -12,12 +12,13 @@ CLI script to rearrange pdf pages for printing book signatures and foldable zine
 - [`venv`](https://docs.python.org/3/library/venv.html) (might be installed)
     - check with `python3 -m venv --help`
 
-```
+```bash
+#!/bin/bash
 PREFIX="$HOME/.local"
 LIBDIR=$PREFIX/lib
 BINDIR=$PREFIX/bin
 SRCDIR=$LIBDIR/pdf2book.git
-mkdir -p $LIBDIR
+mkdir -p $LIBDIR $BINDIR
 git clone https://git.wlankabel.at/onipa/pdf2book.git $SRCDIR
 python3 -m venv $SRCDIR/.venv
 . $SRCDIR/.venv/bin/activate

install.sh

@@ -0,0 +1,121 @@
+#!/bin/bash
+## INSTALL pdf2book in Linux or macOS
+### Dependencies: 
+# - bash: check with `bash --version`
+# - python3: check with `python3 --version`
+#- venv: check with `python3 -m venv --help`
+#
+# check dependencies
+set -e
+bash --version > /dev/null
+python3 --version > /dev/null
+python3 -m venv --help > /dev/null
+set +e
+#
+PREFIX="$HOME/.local"
+HELP="""
+$0: install pdf2book with its virtual environment
+usage:
+	-h|--help           show this help message and exti
+	-d|--delete         remove pdf2book
+	-f|--force          force overwriting of PREFIX/lib/pdf2book.git
+	                    can be used for upgrading
+	-p|--prefix PREFIX  install into PREFIX/lib and PREFIX/bin
+	-v|--verbose        print more info (set -x)
+	-y|--yes            don't ask for confimation of prefix
+"""
+# OPTIONS
+# Iterate through each argument
+while [[ $# -gt 0 ]]; do
+	case "$1" in
+		--delete|-d)
+		DELETE=1
+	;;
+		--force|-f)
+		FORCE=1
+	;;
+		--help|-h)
+		echo "$HELP"
+		# Add help instructions here
+		exit 0
+	;;
+		--prefix|-p)
+		PSET=1
+		PREFIX=$2
+		shift 1
+	;;
+		--verbose|-v)
+		set -x
+	;;
+		--yes|-y)
+		PSET=1
+	;;
+		*)
+		echo "Unknown option: $1"
+		echo "HELP"
+		exit 1
+	;;
+	esac
+shift 1  # Move to the next argument
+done
+
+if [[ $PSET != 1 ]]
+then 
+	echo -n """Where to do you want to install 'pdf2book'?
+PREFIX [$PREFIX] : 
+"""
+	read userprefix
+	if [[ -n $userprefix ]] 
+	then 
+		PREFIX=$userprefix
+	fi
+fi
+
+LIBDIR=$PREFIX/lib
+BINDIR=$PREFIX/bin
+SRCDIR=$LIBDIR/pdf2book.git
+if [[ -d $SRCDIR ]] 
+then 
+	if [[ -z $FORCE ]]
+	then 
+		echo -n """Directory '$SRCDIR' already exist. 
+Do you want to overwrite? [y/N] """
+		read confirm && [[ $confirm == [yY] || $confirm == [yY][eE][sS] ]] || echo "... exiting ..." && exit 1
+	fi 
+	rm -rf $SRCDIR
+fi 
+mkdir -p $LIBDIR $BINDIR
+git clone https://git.wlankabel.at/onipa/pdf2book.git $SRCDIR
+python3 -m venv $SRCDIR/.venv
+. $SRCDIR/.venv/bin/activate
+pip3 install pypdf
+echo -n '''#!/bin/bash
+SRCDIR='$SRCDIR'
+VENVDIR=$SRCDIR/.venv
+. $VENVDIR/bin/activate
+python3 $SRCDIR/pdf2book.py $@
+deactivate
+'''> $BINDIR/pdf2book
+chmod +x $BINDIR/pdf2book
+echo "pdf2book is installed into '$(realpath $BINDIR)'"
+#check if $BINDIR is in $PATH
+INPATH=$(echo $PATH | tr : '\n' | grep $(realpath $BINDIR) | wc -l )
+if [[ $INPATH -lt 1 ]] 
+then 
+	if [[ $(uname) == "Darwin" ]] 
+	then 
+		RCFILE='.zshrc'
+	else 
+		RCFILE=".bashrc"
+	fi
+	echo "WARNING! '$BINDIR' is not in \$PATH"
+	echo -n """Do you want to add '$BINDIR' to \$PATH (via ~/$RCFILE)? [Y/n] """
+	read confirm
+	if [[ $confirm == [yY] || $confirm == [yY][eE][sS] || -z $confirm ]] 
+	then 
+		echo 'export PATH=$PATH:'$(realpath $BINDIR) >> $HOME/$RCFILE
+	fi
+fi
+#echo inpath: $INPATH
+echo "you might need to restart your shell"
+#echo prefix: $PREFIX