zotinstall

#!/bin/env bash

VER='0.03'
clear

#---------------------------------------------------#
# Name: zotinstall                                  #
#                                                   #
# Purpose: prompt user for zopen packages that are  #
#          not installed but available to be.       #
#                                                   #
# Dependencies: gum and zopen and bash              #
#                                                   #
# Syntax:  zotinstall                               #
#                                                   #
# Author/Contributors:                              #
#   Lionel B. Dyck (lbdyck@gmail.com)               #
#                                                   #
# Change History (current on top):                  #
#   2024/02/04 LBD - 0.03 Enable filtering and more #
#   2024/02/04 LBD - 0.02 Refine                    #
#   2024/02/03 LBD - 0.01 Creation                  #
#---------------------------------------------------#
# Repository: github.com/lbdyck/prompters           #
#---------------------------------------------------#
# Copyleft by Lionel B. Dyck 2024                   #
#---------------------------------------------------#

#----------------------------------------------------------------#
# Define the color for the banner                                #
#  5 - purple                                                    #
# 12 - blue shade                                                #
# 33 - darker blue                                               #
# 46 - green                                                     #
# 51 - turq shade                                                #
#----------------------------------------------------------------#
COLOR=51

#----------------------------------------------------------------#
# Define the spinner                                             #
# line, dot, minidot, jump, pulse, points, globe, moon,          #
# monkey, meter, hamburger                                       #
#----------------------------------------------------------------#
SPIN="line"
#SPIN="dot"
#SPIN="minidot"
#SPIN="jump"
#SPIN="pulse"
#SPIN="points"
#SPIN="globe"
#SPIN="moon"
#SPIN="monkey"
#SPIN="meter"
#SPIN="hamburger"

#----------------------------------------------------------#
# Define out temp and tempw variables                      #
#----------------------------------------------------------#
TEMP="/tmp/zopen_list"
TEMPW="/tmp/zopen_listw"

#----------------------------------------------------------#
# Define the MANDB variable - null to not run              #
#----------------------------------------------------------#
MANDB="mandb"
#MANDB=""

#----------------------------------------------------------#
# Define the gum environment variables                     #
#----------------------------------------------------------#

export GUM_INPUT_PROMPT_FOREGROUND="#$COLOR"
export GUM_INPUT_PLACEHOLDER=". . ."
export GUM_IMPORT_PROMPT="* "
export TERM=xterm-256color

#----------------------------------------------------------------#
# Define the TAG REDIR for our needs                             #
#----------------------------------------------------------------#
export _TAG_REDIR_IN=txt
export _TAG_REDIR_OUT=txt
export _TAG_REDIR_ERR=txt
 
# Display our banner
gum style \
   --foreground $COLOR --border-foreground $COLOR --border double \
   --align center --width 50 --margin "1 2" --padding "2 4" \
   'z/OS Open Tools Installation Selector' $VER

# spinning something while we collect the list of all available packages
gum spin --title "Generating list of available packages" -s "$SPIN" \
  --show-output --spinner.foreground="$COLOR" --title.foreground="$COLOR" \
  -- zopen query --list > "$TEMP"

# Ask the user if they want to filter the packages
FILTER=$(gum input --prompt "Enter text to filter the available packages or blank:" \
    --placeholder="e.g. ssh" --value=" " --header.foreground="$COLOR")

# Test if there is a filter and if so then clean up working file
if [ ! -z $FILTER ]; then
   grep -i $FILTER $TEMP > $TEMPW
   mv -f "$TEMPW" "$TEMP"
fi

# Prompt for package selections - any number allowed
# but first remove all installed packages and only use 
# the package name
SELECTED=$(cat "$TEMP"| grep Not | cut -d " " -f1  | \
  gum choose --no-limit \
  --header "Select packages to install" --header.foreground="$COLOR") 

# Test if any packages selected - must have at least one 
if [ -z "$SELECTED" ]; then
    echo "No selections - exiting...."
    exit 0
fi

# Remove the work files
rm $TEMP

# Generate the zopen install command
INSTALL="zopen install -y $SELECTED"

# report what we have generated for the user
echo -e "Generated command: \n$INSTALL"

# If gum confirm Yes then process the next command
gum confirm "Execute Generated zopen install:" && $INSTALL && $MANDB