From 2d97ecc2c1ac605ca49e8a866b309daaeb7a831c Mon Sep 17 00:00:00 2001
From: MS <ms@taler.net>
Date: Wed, 22 Jul 2020 14:53:45 +0200
Subject: Installing the Blog

---
 configure | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)
 create mode 100755 configure

(limited to 'configure')

diff --git a/configure b/configure
new file mode 100755
index 0000000..469bad7
--- /dev/null
+++ b/configure
@@ -0,0 +1,87 @@
+#!/usr/bin/env bash
+
+set -eu
+
+usage() {
+  echo "Usage: ./configure [OPTION]"
+  echo
+  echo "Configuration:"
+  echo "  -h, --help              display this help and exit"
+  echo
+  echo "Installation directories:"
+  echo "  --destination=[local|global] install Python package locally or globally"
+}
+
+
+# -allow a command to fail with !’s side effect on errexit
+# -use return value from ${PIPESTATUS[0]}, because ! hosed $?
+! getopt --test > /dev/null
+if [[ ${PIPESTATUS[0]} -ne 4 ]]; then
+    echo 'getopt not available'
+    exit 1
+fi
+
+LONGOPTS=destination:,help
+OPTIONS=h
+
+! PARSED=$(getopt --options=$OPTIONS --longoptions=$LONGOPTS --name "$0" -- "$@")
+if [[ ${PIPESTATUS[0]} -ne 0 ]]; then
+    # e.g. return value is 1
+    #  then getopt has complained about wrong arguments to stdout
+    exit 2
+fi
+
+# read getopt’s output this way to handle the quoting right:
+eval set -- "$PARSED"
+
+destination="local"
+
+while true; do
+    case "$1" in
+      --destination)
+        destination="$2"
+        shift 2
+        ;;
+      -h|--help)
+        usage
+        exit 1
+        ;;
+      --)
+        shift
+        break
+        ;;
+      *)
+        echo "Programming error"
+        exit 3
+        ;;
+    esac
+done
+
+case "$destination" in
+  local)
+    install_global=false
+    ;;
+  global)
+    install_global=true
+    ;;
+  *)
+    echo "Destination (--destination) must be 'local' or 'global', paths are not allowed."
+    exit 3
+    ;;
+esac
+
+cat << EOF > config.mk
+# this file is autogenerated by ./configure
+install_global=$install_global
+EOF
+
+
+if ! python3 --version &>/dev/null; then
+  echo 'Error: python3 missing'
+  exit 1
+fi
+
+if ! pip3 --version &>/dev/null; then
+  echo 'Error: pip3 missing'
+  exit 1
+fi
-- 
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