From 49cbc019d66d408db17986a5c09b2b7d7a976576 Mon Sep 17 00:00:00 2001
From: Joel Grunbaum <joelgrun@gmail.com>
Date: Fri, 24 Dec 2021 03:39:05 +0000
Subject: [PATCH] Single dependency install, POSIX sourcing, overwrite checking, force install

---
 INSTALL.sh |   54 ++++++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 46 insertions(+), 8 deletions(-)

diff --git a/INSTALL.sh b/INSTALL.sh
index 90ee445..72f1af1 100755
--- a/INSTALL.sh
+++ b/INSTALL.sh
@@ -1,14 +1,36 @@
 #!/bin/sh
 
 install_links() {
-    source ./DICT
+    . ./DICT
     if [ -n "$FILES" ]; then
 	for i in `seq 1 $(echo "$FILES" | wc -w)`; do
 	    file=$(echo "$FILES" | cut -d' ' -f $i)
 	    loc=$(echo "$LOCATIONS" | cut -d' ' -f $i)
-	    dir=$(echo "$loc" | rev | cut -d'/' -f2- | rev)
-	    mkdir -p "$dir"
-	    ln -sf "$(pwd)/$file" "$loc"
+        while [ 1 ]; do
+            CHOICE="overwrite"
+            if [ -a "$loc" ] && [ "$FORCE" = "0" ]; then
+                echo "WARNING: \"$loc\" exists, (overwrite, change, nothing): "
+                read CHOICE
+            fi
+            case "$CHOICE" in
+                o|overwrite)
+	                dir=$(dirname "$loc")
+	                mkdir -p "$dir"
+	                ln -sf "$(pwd)/$file" "$loc"; break;;
+                c|change)
+                    tmpfile=$(mktemp)
+                    echo "$loc" >> $tmpfile
+                    $EDITOR "$tmpfile"
+                    loc=$(cat $tmpfile)
+                    rm $tmpfile
+                    unset tmpfile;;
+                n|nothing)
+                    break;;
+                *)
+                    echo "INVALID CHOICE \"$CHOICE\", (overwrite, change, nothing)"
+                    read CHOICE
+            esac
+        done
 	done
     fi
     if [ -n "$SUDO_FILES" ]; then
@@ -26,7 +48,7 @@
 }
 
 remove_links() {
-    source ./DICT
+    . ./DICT
     if [ -n "$FILES" ]; then
 	for i in `seq 1 $(echo $FILES | wc -w)`; do
 	    loc=$(echo "$LOCATIONS" | cut -d' ' -f $i)
@@ -60,8 +82,11 @@
 	unset DEPS
 	eval $(grep "DEPS=" $1/DICT)
 	for i in $DEPS; do
-	    (handle_package $i $2)
+        if ! grep -q "$i" "$PACKAGE_CACHE"; then
+	        (handle_package $i $2)
+        fi
 	done
+    echo "$1" >> "$PACKAGE_CACHE"
 	(cd "$1"; $2)
     else
 	echo "No configuration found for $i"
@@ -73,20 +98,31 @@
     echo "Usage with -h|--help"
     echo "Install with -i|--install (default)"
     echo "Remove with -r|--remove"
+    echo "Force install with -f|--force"
     echo "Directories have the configurations for their programs/use cases"
     echo "List all configurations to be installed in the command line"
+    echo "If there is a file at the install location, you will be prompted to change it"
     echo "Example usage: $0 -i bash zsh"
 }
 
 INSTALL=1
-PACKAGES=""
-FUNCTION=""
+FORCE=0
+PACKAGE_CACHE=$(mktemp)
+DOTFILES_PATH="$(dirname $0)"
+
+cd $DOTFILES_PATH
+
+if [ -z "$1" ]; then
+    usage
+    exit
+fi
 
 while [ -n "$1" ]; do
       case "$1" in
 	  -h|--help|"") usage; exit;;
 	  -i|--install) INSTALL=1;;
 	  -r|--remove) INSTALL=0;;
+      -f|--force) FORCE=1;;
 	  --) shift; break;;
 	  -*) echo "Invalid argument"; usage; exit;;
 	  *) handle_package "$1" "$([ \"$INSTALL\" = \"1\" ] && echo install || echo remove)_links";;
@@ -97,3 +133,5 @@
 while [ -n "$1" ]; do
     handle_package "$1" "$([ \"$INSTALL\" = \"1\" ] && echo install || echo remove)_links"
 done
+
+rm $PACKAGE_CACHE

--
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