From 6276eafcbf6f2d1c9189fd4c29f93d6992ac3c9c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sergiusz=20Baza=C5=84ski?= <q3k@q3k.org>
Date: Mon, 19 Nov 2012 13:24:39 +0100
Subject: [PATCH] Basic functionality.

---
 bin/dafuq-install | 58 +++++++++++++++++++++++++++++++++++++++++++++++
 bin/dafuq-make    | 46 +++++++++++++++++++++++++++++++++++++
 bin/dafuq-remove  | 54 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 158 insertions(+)
 create mode 100755 bin/dafuq-install
 create mode 100755 bin/dafuq-make
 create mode 100755 bin/dafuq-remove

diff --git a/bin/dafuq-install b/bin/dafuq-install
new file mode 100755
index 0000000..ae4483e
--- /dev/null
+++ b/bin/dafuq-install
@@ -0,0 +1,58 @@
+#!/tools/bin/bash
+
+NAME=$1
+VERSION=$2
+
+if [ -z $NAME ]; then
+	echo "[e] Please provide a package name.">&2
+	exit 1
+fi
+VERSIONS="/usr/dafuq/packages/$NAME-*"
+if [ -z $VERSIONS ]; then
+	echo "[e] Cannot find package.">&2
+	exit 1
+fi
+echo "[i] Available versions:"
+i=0
+for version in $VERSIONS; do
+	echo "  [$i] $version"
+	i=$(expr $i + 1)
+done
+if [ $i == "1" ]; then
+	VERSION=$VERSIONS
+elif [ -z $VERSION ]; then
+	echo "[e] Please provide a version number.">&2
+	exit 1
+else
+	VERSION=$(echo $VERSIONS | cut -d" " -f $(expr $VERSION + 1))	
+	if [ -z $VERSION ]; then
+		echo "[e] Incorrect version number.">&2
+		exit 1
+	fi
+fi
+
+INSTALLED_VERSIONS=/usr/dafuq/installed/$NAME-*
+if test -n "$(shopt -s nullglob; echo $INSTALLED_VERSIONS)"; then
+	echo "[e] Following version(s) of package already installed:"
+	for version in $INSTALLED_VERSIONS; do
+		echo "  $(echo $version | sed -e "s,/usr/dafuq/installed/,,")"
+	done
+	exit 1
+fi
+
+echo "[i] Checking for collisions..."
+MANIFEST=$(tar xfO $VERSION manifest)
+while read -r line; do
+	linetype=$(echo $line | cut -d":" -f 1)
+	if [ $linetype == "file" ]; then
+		filename=$(echo $line | cut -d" " -f 2)
+		if [ -e $filename ]; then
+			echo "[e] File exists in filesystem: $filename"
+			exit 1
+		fi
+	fi
+done <<< "$MANIFEST"
+echo "[i] Installing..."
+tar xfp $VERSION -C / --transform 's,^root/,,' --transform 's,^root,,' --show-transformed root/
+ln -s $VERSION $(echo $VERSION | sed -e "s,/usr/dafuq/packages/,/usr/dafuq/installed/,")
+echo "[i] Done."
diff --git a/bin/dafuq-make b/bin/dafuq-make
new file mode 100755
index 0000000..795f744
--- /dev/null
+++ b/bin/dafuq-make
@@ -0,0 +1,46 @@
+#!/tools/bin/bash
+
+NAME=$1
+DESTDIR=/tmp/dafuq/$NAME/root
+INSTALLCMD="make install DESTDIR=$DESTDIR"
+
+if [ ! -z "$2" ]; then
+	INSTALLCMD=$(echo "$2" | sed -e "s:%DESTDIR%:$DESTDIR:g")
+	echo "[i] Custom installation command: $INSTALLCMD"
+fi
+rm -rf /tmp/dafuq/$NAME 2>/dev/null
+echo "[i] Packaging $NAME..."
+mkdir -p $DESTDIR
+echo "[i] Making..."
+/tools/bin/bash -c "$INSTALLCMD"
+
+echo "[i] Taking note of directories..."
+PKG_DIRS=$(find $DESTDIR -type d)
+PKG_DIRS_CREATE=""
+for dir in $PKG_DIRS; do
+	dir_root=$(echo $dir | sed -e "s:$DESTDIR::g")
+	if [ ! -e $dir_root ]; then
+		PKG_DIRS_CREATE="$PKG_DIRS_CREATE $dir_root"
+	fi
+done
+
+echo "[i] Taking note of files..."
+PKG_FILES=$(find $DESTDIR -type f -o -type l)
+
+echo "[i] Creating manifest..."
+PKG_MANIFEST="/tmp/dafuq/$NAME/manifest"
+echo "name: $NAME" >> $PKG_MANIFEST
+echo "installcmd: $INSTALLCMD" >> $PKG_MANIFEST
+echo "built: $(date)" >> $PKG_MANIFEST
+for dir in $PKG_DIRS_CREATE; do
+	echo "dir: $dir" >> $PKG_MANIFEST
+done
+for f in $PKG_FILES; do
+	echo "file: $(echo $f | sed -e "s:$DESTDIR::g") $(sha256sum $f | cut -d" " -f 1) $(stat -c "%a %U:%G" $f)" >> $PKG_MANIFEST
+done
+
+echo "[i] Compressing package..."
+tar cJf /usr/dafuq/packages/$NAME.tar.xz -C /tmp/dafuq/$NAME manifest root
+echo "[i] Cleaning up..."
+rm -rf /tmp/dafuq/$NAME 2>/dev/null
+echo "[i] Done."
diff --git a/bin/dafuq-remove b/bin/dafuq-remove
new file mode 100755
index 0000000..29394db
--- /dev/null
+++ b/bin/dafuq-remove
@@ -0,0 +1,54 @@
+#!/tools/bin/bash
+
+NAME=$1
+VERSION=$2
+
+if [ -z $NAME ]; then
+	echo "[e] Please provide a package name.">&2
+	exit 1
+fi
+VERSIONS="/usr/dafuq/installed/$NAME-*"
+if [ -z $VERSIONS ]; then
+	echo "[e] Cannot find package.">&2
+	exit 1
+fi
+echo "[i] Installed versions:"
+i=0
+for version in $VERSIONS; do
+	echo "  [$i] $version"
+	i=$(expr $i + 1)
+done
+if [ $i == "1" ]; then
+	VERSION=$VERSIONS
+elif [ -z $VERSION ]; then
+	echo "[e] Please provide a version number.">&2
+	exit 1
+else
+	VERSION=$(echo $VERSIONS | cut -d" " -f $(expr $VERSION + 1))	
+	if [ -z $VERSION ]; then
+		echo "[e] Incorrect version number.">&2
+		exit 1
+	fi
+fi
+
+echo "[i] Removing files..."
+MANIFEST=$(tar xfO $VERSION manifest)
+while read -r line; do
+	linetype=$(echo $line | cut -d":" -f 1)
+	if [ $linetype == "file" ]; then
+		filename=$(echo $line | cut -d" " -f 2)
+		if [ ! -e $filename ]; then
+			echo "[w] File missing from filesystem: $filename"
+			exit 1
+		fi
+		rm $filename
+	fi
+done <<< "$MANIFEST"
+while read -r line; do
+	linetype=$(echo $line | cut -d":" -f 1)
+	if [ $linetype == "dir" ]; then
+		rmdir $(echo $line | cut -d" " -f 2)
+	fi
+done <<< "$MANIFEST"
+rm $(echo $VERSION | sed -e "s,/usr/dafuq/packages/,/usr/dafuq/installed/,")
+echo "[i] Done."