From 2438e727fee8bf154ab229057923d1c974ade180 Mon Sep 17 00:00:00 2001
From: Syndamia <kamen.d.mladenov@protonmail.com>
Date: Tue, 24 May 2022 09:35:55 +0300
Subject: Reworked structure and fully implemented install and remove
 functionality

---
 README.md |   8 ++---
 stupid.sh | 115 +++++++++++++++++++++++++++++++++++++-------------------------
 2 files changed, 73 insertions(+), 50 deletions(-)

diff --git a/README.md b/README.md
index 41a4b4d..44b1d57 100644
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ stupid is a compromise, it's worse than just configuring your actual package man
 
 stupid is nothing more than a bash script, so all of it's requirements are certain basic commands, which should mostly come with your distribution.
 
-`bash`, `echo`, `mkdir`, `cd`, `tail`, `grep`, `find`, `cat`
+`bash`, `echo`, `mkdir`, `cd`, `tail`, `grep`, `find`, `cat`, `read`
 
 ### How to install
 
@@ -36,7 +36,7 @@ TBC
 
 ## Feature status
 
-- [ ] Install
-- [ ] Remove
-- [ ] Query
+- [x] Install
+- [x] Remove
+- [ ] Search
 - [ ] Update
diff --git a/stupid.sh b/stupid.sh
index f03e516..43bbcd9 100755
--- a/stupid.sh
+++ b/stupid.sh
@@ -1,66 +1,89 @@
 #!/bin/bash
 
-quietInstall='no'
+QUIET_INSTALL='no'
+STUPID_DIR=$(pwd)
 
-function installPackages {
-	shift
-	while [ ! -z $1 ]; do
-		pkg=$(find . -type f -name "$1--*.stupid" | tail -n 1 || grep -q '--' && find . -type f -name "$1.stupid")
-		if [ -z $pkg ]; then
-			echo "[$1]<Error> No package file!"; shift; continue
-		fi
-		(
-			source "$pkg"
-			if [[ $(type -t stupidInstall) != "function" ]]; then
-				echo "[$1]<Error> No install function found!"; exit
-			fi
-			if [[ $(type -t stupidRemove) != "function" ]]; then
-				echo "[$1]<Error> No remove function found (required even when installing)!"; exit
-			fi
+function installRoutine {
+	echo "[$1]<Info> Running checks for $1 ..."
 
-			echo "[$1]<Info > Installing $title $version ..."
+	if grep -q "$1" 'installed.stupid-log'; then
+		echo "| <Warn > Package has already been installed! It will be reinstalled!"
+		read -p "L <Warn > Do you want to continue? [y/N]: " confirm && ! [[ $confirm == [yY] || $confirm == [yY][eE][sS] ]] && exit
 
-			mkdir -p "/tmp/stupid/$1"; cd "/tmp/stupid/$1"
-			touch "$pkg.install-log"
-			stupidInstall >"$pkg.install-log" 2>&1
-			echo "FINISHED" >> "$pkg.install-log"
+		removeRoutine $1
+	elif grep -q "$name" 'installed.stupid-log'; then
+		otherPkg=$(grep "$name--*" 'installed.stupid-log')
+		echo "| <Warn > Another version of the package ($otherPkg) has been found! It will be removed and $1 will be installed!"
+		read -p "L <Warn > Do you want to continue? [y/N]: " confirm && ! [[ $confirm == [yY] || $confirm == [yY][eE][sS] ]] && exit
 
-			echo "[$1]<Info > Installed!"
-		)
-		if (( $? != 0 )); then
-			echo "[$1]<Error> Could not install! Log:"
-			cat "/tmp/stupid/$1/$pkg.install-log"
-		fi
-		shift
-	done
+		removeRoutine $otherPkg
+	fi
+
+	echo "[$1]<Info> Installing $1 ..."
+
+	mkdir -p "/tmp/stupid/$name" && cd "/tmp/stupid/$name"; touch "$1.install-log"
+	stupidInstall >"$1.install-log" 2>&1 || (installFail $1 && exit)
+
+	echo "FINISHED" >> "$1.install-log"; echo "$1" >> "$STUPID_DIR/installed.stupid-log"
+	echo "L <Info> Installed!"
 }
 
-function removePackages {
-	shift
+function installFail {
+	echo "| <Error> Could not install! Log:"
+	cat "/tmp/stupid/$name/$1.install-log"
+}
+
+function removeRoutine {
+	echo "[$1]<Info> Running checks for $1 ..."
+
+	if ! grep -q "$1" 'installed.stupid-log'; then
+		echo "L <Warning> Package isn't installed!" && exit
+	fi
+
+	echo "[$1]<Info> Removing $1 ..."
+
+	mkdir -p "/tmp/stupid/$name" && cd "/tmp/stupid/$name"; touch "$1.remove-log"
+	stupidRemove >"$1.remove-log" 2>&1 || (removeFail $1 && exit)
+
+	grep -qv "$1" "$STUPID_DIR/installed.stupid-log" > "$STUPID_DIR/installed.stupid-log"
+	echo "L <Info> Removed!"
+}
+
+function removeFail {
+	echo "[$1]<Error> Could not remove! Log:"
+	cat "/tmp/stupid/$name/$1.remove-log"
+}
+
+
+function handlePackages {
+	routine=$1
+	shift; shift
+
 	while [ ! -z $1 ]; do
+		echo ''
+
+		# Package names can either be "PACKAGENAME" or "PACKAGENAME--VERSION"
+		# If it's "PACKAGENAME" we only want the last occurence, since alphanumerically this should be the latest version
 		pkg=$(find . -type f -name "$1--*.stupid" | tail -n 1 || grep -q '--' && find . -type f -name "$1.stupid")
 		if [ -z $pkg ]; then
 			echo "[$1]<Error> No package file!"; shift; continue
 		fi
+
+		# Ran in subshell so the source-ing doesn't persist between routine functions of multiple packages
 		(
 			source "$pkg"
+			if [[ "$1--$version" != "$name--$version" ]] && [[ "$1" != "$name--$version" ]]; then
+				echo "[$1]<Error> Package file name and package name and/or version do not match!"; exit
+			fi
+			if [[ $(type -t stupidInstall) != "function" ]]; then
+				echo "[$1]<Error> No install function found!"; exit
+			fi
 			if [[ $(type -t stupidRemove) != "function" ]]; then
 				echo "[$1]<Error> No remove function found!"; exit
 			fi
 
-			echo "[$1]<Info > Removing $title $version ..."
-
-			mkdir -p "/tmp/stupid/$1"; cd "/tmp/stupid/$1"
-			touch "$pkg.remove-log"
-			stupidRemove >"$pkg.remove-log" 2>&1
-			echo "FINISHED" >> "$pkg.remove-log"
-
-			echo "[$1]<Info > Installed!"
+			$routine "$name--$version"
 		)
-		if (( $? != 0 )); then
-			echo "[$1]<Error> Could not remove! Log:"
-			cat "/tmp/stupid/$1/$pkg.remove-log"
-		fi
 		shift
 	done
 }
@@ -68,14 +91,14 @@ function removePackages {
 while [ ! -z $1 ]; do
 	case $1 in
 		-q|quiet)
-			quietInstall='yes'
+			QUIET_INSTALL='yes'
 			;;
 		-i|install)
-			installPackages $@
+			handlePackages installRoutine $@
 			exit
 			;;
 		-r|remove)
-			removePackages $@
+			handlePackages removeRoutine $@
 			exit
 			;;
 		*)
-- 
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