From 99f8d86b7ea1f325dc0f8bc8585494485af7be68 Mon Sep 17 00:00:00 2001
From: Pekka Helenius <pekka.helenius@fjordtek.com>
Date: Sun, 23 Apr 2023 14:27:07 +0300
Subject: [PATCH] Add 'dummypkg' tool

---
 README.md         |   1 +
 tools/PKGBUILD    |   4 +-
 tools/dummypkg.sh | 105 ++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 109 insertions(+), 1 deletion(-)
 create mode 100644 tools/dummypkg.sh

diff --git a/README.md b/README.md
index c02f5eb..c47149d 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@ Various shell tools, bundled in a custom `archtools` package. See [PKGBUILD](too
 | `bininfo`      | Show information about an executable in PATH on Arch Linux                                    |
 | `buildpkg`     | Build a local package on the current directory which has `PKGBUILD` on Arch Linux             |
 | `deltmpfiles`  | Delete current temporary files from pre-defined locations                                     |
+| `dummypkg`     | Create a dummy Arch Linux package                                                             |
 | `extract`      | Extract wide range of various archive types with native tools                                 |
 | `findinpkg`    | Find text patterns & print occurences with matching lines numbers in Arch Linux package files |
 | `findmatch`    | Grep/List matching strings in a specific folder                                               |
diff --git a/tools/PKGBUILD b/tools/PKGBUILD
index 4974311..1983beb 100644
--- a/tools/PKGBUILD
+++ b/tools/PKGBUILD
@@ -42,6 +42,7 @@ genmac.sh
 getsource.sh # TODO: More implementation needed. See the file for details
 nowner.sh # TODO: More implementation needed. See the file for details
 pkgdeps.sh # TODO: More implementation needed. See the file for details
+dummypkg.sh
 archrisks.sh
 showpkg.sh
 deltmpfiles.sh
@@ -71,9 +72,10 @@ sha256sums=('891d763f852d3a61216a384a15ca01c57178d3a5fea8aa858de0643998e9ba58'
             'c96b43cc49e6872cdd3b6e51cb490ca8ea2d990f2c3545bed106a21df86648eb'
             '3bfac88603fe0f19383bc8b1ca7e2bc6795a90e851eaefd0758d515edd916100'
             '3cf521359e473256a52e2a9fbcbfa3f0d39f42befa2d9a79cb7c51372f925c7b'
-            '8ed38b8f9020280a29999a524f1ad6fb1145d4f00827df45b256bf5eb5a450a1'
+            '89d421e4981e0907b9095165631791ac034c0d33a215a71c21a59acbf2c41480'
             '1424ad779f5f673c01ac2845f5e3749b7c7b47dfdaa173bd45c4e866dfa4da22'
             '7493ff8f2321b04fab6c4b743a15708d9aca4383ce0c934c6ed4d091f1dfd76f'
+            '0524c509b1378dd275c8e396bcafb6df9de48248739c528bc335f879c4b08bfc'
             '6290400b493a6e498ffe4a457274c3c4da4de60f5f3043cb36d08c9ca29cce63'
             '4a9693bdc1d6a10e54266bf7b3d440e926d66c61ef6d18774a2db951aa4dd478'
             '8bbcb61e6283bda4988468271cbaee0d7c537342a095466b4ea309bcb782eaf2'
diff --git a/tools/dummypkg.sh b/tools/dummypkg.sh
new file mode 100644
index 0000000..3f5b46d
--- /dev/null
+++ b/tools/dummypkg.sh
@@ -0,0 +1,105 @@
+#!/bin/env sh
+
+#   dummypkg - Create a dummy Arch Linux package
+#
+#   Copyright (C) 2023  Pekka Helenius <pekka.helenius@fjordtek.com>
+#
+#   This program is free software; you can redistribute it and/or modify
+#   it under the terms of the GNU General Public License as published by
+#   the Free Software Foundation; either version 2 of the License, or
+#   (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be useful,
+#   but WITHOUT ANY WARRANTY; without even the implied warranty of
+#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#   GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+. /usr/share/makepkg/util/message.sh
+colorize
+
+if [[ -z $1 ]]
+then
+  error "Provide a package name"
+  exit 1
+fi
+
+PKG=$1
+PKGBUILD_FILE="PKGBUILD.tmp"
+PACMAN_FILE="pacman.tmp"
+
+msg "Preparing dummy package: $PKG"
+
+description="dummy package"
+version="0.1"
+release="1"
+provides=($PKG)
+
+purge() {
+
+  msg "Cleaning up..."
+
+  pkgfile_prefix="$PKG-$version-$release-any.pkg.tar"
+  pkgfile=$(find . -maxdepth 1 -type f -iname "${pkgfile_prefix}*" | head -1)
+
+  [[ -f ${pkgfile} ]] && rm -f ${pkgfile}
+  [[ -f ${PKGBUILD_FILE} ]] && rm -f ${PKGBUILD_FILE}
+  [[ -f ${PACMAN_FILE} ]] && rm -f ${PACMAN_FILE}
+  [[ -d src ]] && rm -rf src
+  [[ -d pkg ]] && rm -rf pkg
+
+  exit $1
+
+}
+
+remote_info() {
+  pacman_info=$(pacman -Si $PKG > $PACMAN_FILE)
+  if [[ $? -eq 0 ]]
+  then
+
+    # Description
+    description=$(echo $(grep -oP "^Description.*: \K.*(?=.*)" $PACMAN_FILE) "("$description")")
+
+    # Provides
+    provides_pkgs=($(grep -oP "^Provides.*: \K[^A-Z]*(?=[^A-Z]*)" $PACMAN_FILE))
+    provides=(${provides[@]} ${provides_pkgs[@]})
+
+    # Version
+    version_full=$(grep -oP "^Version.*: \K.*(?=.*)" $PACMAN_FILE)
+    version=$(echo $version_full | awk '{sub(/-.*/,"",$0); print $0}')
+    release=$(echo $version_full | awk '{sub(/.*-/,"",$0); print $0}')
+
+  fi
+
+}
+
+trap "purge 1" SIGINT SIGKILL SIGABRT SIGTERM
+
+msg "Setting version number and provided packages information..."
+remote_info
+
+msg2 "Description: ${description}"
+msg2 "Provides:    ${provides[*]}"
+msg2 "Version:     $version"
+msg2 "Release:     $release"
+
+cat <<EOF > ${PKGBUILD_FILE}
+pkgname="${PKG}"
+pkgver=$version
+pkgrel=$release
+pkgdesc="${description}"
+arch=(any)
+provides=(${provides[@]})
+groups=(dummy)
+EOF
+
+if [[ ! -f ${PKGBUILD_FILE} ]]
+then
+  error "No PKGBUILD found"
+  exit 1
+fi
+
+makepkg -Cfi -p ${PKGBUILD_FILE}
+purge 0