Initial commit

4 files changed, 117 insertions, 0 deletions

diff --git a/.SRCINFO b/.SRCINFO
new file mode 100644
index 000000000000..f1b6478fe730
--- /dev/null
+++ b/.SRCINFO
@@ -0,0 +1,11 @@
+pkgbase = pacdate
+	pkgdesc = Automates downgrading packages to a specific date
+	pkgver = 1.0.0
+	pkgrel = 1
+	arch = any
+	license = none
+	depends = pacman
+	source = pacdate.sh
+	sha256sums = SKIP
+
+pkgname = pacdate
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 000000000000..cdd6b0f23e74
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+*.tar.*
+/pkg
+/src
diff --git a/PKGBUILD b/PKGBUILD
new file mode 100644
index 000000000000..b6ce58e14144
--- /dev/null
+++ b/PKGBUILD
@@ -0,0 +1,16 @@
+# Maintainer: jdigi78 <jdigiovanni78@gmail.com>
+
+pkgname=pacdate
+pkgver=1.0.0
+pkgrel=1
+pkgdesc='Automates downgrading packages to a specific date'
+arch=('any')
+license=('none')
+depends=('pacman')
+source=("pacdate.sh")
+        
+sha256sums=('SKIP')
+
+package() {
+    install -Dm755 "pacdate.sh" "${pkgdir}/usr/bin/pacdate"
+}
diff --git a/pacdate.sh b/pacdate.sh
new file mode 100755
index 000000000000..df53be2e87c7
--- /dev/null
+++ b/pacdate.sh
@@ -0,0 +1,87 @@
+#!/bin/bash
+
+PACDATE=""
+PACDATE_LIST=""
+PACDATE_DEPS=""
+
+# Function to display help/usage information
+function show_usage() {
+  echo ""
+  echo "Usage: $0 <YYYY/MM/DD> <package package2 ...>"
+  echo ""
+}
+
+# Function to check the input date format is correct
+function is_valid_date_format() {
+  local regex="^[0-9]{4}/(0[1-9]|1[0-2])/(0[1-9]|[1-2][0-9]|3[0-1])$"
+
+  if [[ $1 =~ $regex ]]; then
+    return 0
+  else
+    return 1
+  fi
+}
+
+if ! is_valid_date_format "$1"; then
+  echo "Date is invalid: $1"
+else
+  PACDATE=$1
+  PACDATE_LIST="${*:2}"
+fi
+
+if [ -z $PACDATE ]; then
+  echo "No date option provided."
+  show_usage
+  exit 1
+fi
+
+echo "Packages will be updated to the archived version from $PACDATE."
+echo " "
+
+if [ -f /etc/pacman.d/mirrorlist.pacdate_backup ]; then
+  echo "Mirrorlist already backed up."
+else
+  echo "Backing up mirrorlist..."
+  # Make backup of mirror list
+  sudo mv /etc/pacman.d/mirrorlist /etc/pacman.d/mirrorlist.pacdate_backup
+  # Create new mirror list
+  sudo sh -c "echo 'Server=https://archive.archlinux.org/repos/$PACDATE/\$repo/os/\$arch' > /etc/pacman.d/mirrorlist"
+  echo "Done."
+fi
+
+echo " "
+
+if [ -z "$PACDATE_LIST" ]; then
+  # Update all
+  sudo pacman -Syyuu
+else  
+  # Update selected packages
+  sudo pacman -Syy $PACDATE_LIST
+  
+  # Create dependency list
+  IFS=' ' read -ra PACKAGE_ARRAY <<< "$PACDATE_LIST"
+  for CURRENT_PKG in "${PACKAGE_ARRAY[@]}"; do
+  PACDATE_DEPS="$PACDATE_DEPS $(pacman -Qi $CURRENT_PKG|grep "Depends On"|cut -d: -f2|awk '{$1=$1};1'|tr -s ' '|tr -d '\n')"
+  done
+  
+  if [ -n "$PACDATE_DEPS" ]; then
+    # List dependencies
+    echo " "
+    echo "The downgraded packages have these dependencies:"
+    echo $PACDATE_DEPS
+    echo " "
+    read -p "Do you want to downgrade these as well? (y/N) " choice
+    if [[ "$choice" =~ ^[Yy]$ ]]; then
+      $0 "$PACDATE" "$PACDATE_DEPS"
+    fi
+  fi
+fi
+
+if [ -f /etc/pacman.d/mirrorlist.pacdate_backup ]; then
+  echo " "
+  echo "Restoring mirrorlist from backup..."
+  sudo cp /etc/pacman.d/mirrorlist.pacdate_backup /etc/pacman.d/mirrorlist
+  sudo rm /etc/pacman.d/mirrorlist.pacdate_backup
+  echo "Done."
+fi
+exit 0