Added option to not install any packages.

bootstrap.sh

@@ -60,7 +60,7 @@ COMMON_DEB=(exuberant-ctags
     silversearcher-ag)
 
 
-rpm_based() {
+function rpm_based {
     if [[ $DISTRO_ID == 'fedora' ]]; then
         PGS=(ptpython3
             python3-apsw
@@ -86,6 +86,7 @@ rpm_based() {
             rxvt-unicode-256color)
     fi
 
+    if [ "${DONT_INSTALL_PKGS}" != "1" ]; then
         # 1. update
         if [[ $DISTRO_ID == 'centos' ]]; then
             # install epel repository for centos
@@ -99,11 +100,7 @@ rpm_based() {
         # 3. cleanup
         sudo yum -y clean all
 
-    # 4. set default editor
-    echo 'export VISUAL="vim"' | sudo tee /etc/profile.d/vim.sh
-    echo 'export EDITOR="vim"' | sudo tee -a /etc/profile.d/vim.sh
-
-    # 5. install tools from pypi
+        # 4. install tools from pypi
         if [[ $DISTRO_ID == 'fedora' ]]; then
             sudo pip install -U pip setuptools
             installed_pkgs=$(pip list)
@@ -132,12 +129,17 @@ rpm_based() {
                 fi
             done
         fi
+    fi
+
+    # 5. set default editor
+    echo 'export VISUAL="vim"' | sudo tee /etc/profile.d/vim.sh
+    echo 'export EDITOR="vim"' | sudo tee -a /etc/profile.d/vim.sh
 
     # 6. copy configuration for bash, git, tmux
     common_conf
 }
 
-ubuntu() {
+function ubuntu {
     case $DISTRO_R in
         '16.04')
             PGS=(ipython
@@ -172,6 +174,8 @@ ubuntu() {
     #    linux-image-virtual linux-virtual cryptsetup-initramfs \
     #    busybox-initramfs cloud-init initramfs-tools
 
+    if [ "${DONT_INSTALL_PKGS}" != "1" ]; then
+
         # 1. update
         sudo apt update && sudo apt -y upgrade
 
@@ -181,10 +185,7 @@ ubuntu() {
         # 3. cleanup
         sudo apt-get autoremove -y && sudo apt-get autoclean -y
 
-    # 4. change alternatives
-    sudo update-alternatives --set editor /usr/bin/vim.basic
-
-    # 5.
+        # 4.
         case $DISTRO_R in
             '16.04')
                 sudo pip install pip --upgrade
@@ -208,13 +209,20 @@ ubuntu() {
                 sudo pip3 install remote_pdb rainbow pdbpp
                 ;;
         esac
+    fi
+
+    # 5. change alternatives
+    sudo update-alternatives --set editor /usr/bin/vim.basic
 
     # 6. copy configuration for bash, git, tmux
     common_conf
 }
 
-tmux_conf() {
+function tmux_conf {
     tmux_ver=$(tmux -V|cut -f 2 -d ' ')
+    if [ -z "${tmux_ver}" ]; then
+        return
+    fi
     major=${tmux_ver%.*}
     minor=${tmux_ver#*.}
 
@@ -269,9 +277,10 @@ tmux_conf() {
     fi
 }
 
-common_conf() {
+function common_conf {
     cp "${DIR}/.bash_prompt" ~/
     cp "${DIR}/.tmux.conf" ~/
+
     tmux_conf
 
     cp "${DIR}/.gitconfig" ~/
@@ -299,10 +308,6 @@ common_conf() {
         popd
     fi
 
-    # clone devstack
-    git clone https://opendev.org/openstack/devstack ~/devstack
-    cp "${DIR}/kuryr.conf" ~/devstack/local.conf
-
     # get k9s
     wget "https://github.com/derailed/k9s/releases/download/"`
         `"v0.24.7/k9s_Linux_x86_64.tar.gz"
@@ -310,7 +315,17 @@ common_conf() {
     rm k9s_Linux_x86_64.tar.gz
 }
 
-case $DISTRO_ID in
+function _showusage {
+    echo "Usage: $(basename $1) [OPTIONS]"
+    echo "Configure system and optionally install a set of packages."
+    echo
+    echo Where OPTIONS are:
+    echo "  -h        This help."
+    echo "  -c        Do the config only, don't install anything"
+}
+
+function main {
+    case $DISTRO_ID in
         "ubuntu")
             ubuntu
             ;;
@@ -323,4 +338,26 @@ case $DISTRO_ID in
         *)
             echo "Distribution ${DISTRO_ID} not supported"
             ;;
-esac
+    esac
+
+}
+
+# react on -h or --help
+while getopts ":heicbdgvxsauzr" optchar; do
+    case "${optchar}" in
+        h)
+            _showusage "$0"
+            exit 0
+            ;;
+        c)
+            DONT_INSTALL_PKGS=1
+            ;;
+        *)
+            echo Invalid argument "$1"
+            _showusage "$0"
+            exit 1
+            ;;
+    esac
+done
+
+main