Added script to automatically update the PKGBUILD

packaging/ARCH/PKGBUILD

@@ -1,32 +0,0 @@
-# Maintainer: Shadowigor <shadowigorr at gmail dot com>
-pkgname="osync"
-pkgver=v1.00.r219.f70d8cd
-pkgrel=1
-pkgdesc="A two way filesync script"
-arch=("any")
-url="https://github.com/deajan/osync"
-license=('custom')
-depends=('rsync')
-makedepends=('git')
-provides=("$pkgname")
-source=('git+https://github.com/deajan/osync.git#branch=stable')
-md5sums=('SKIP')
-
-pkgver()
-{
-    cd "$srcdir/$pkgname"
-    printf "%s" "$(git describe --long | sed 's/\([^-]*-\)g/r\1/;s/-/./g')"
-}
-
-prepare()
-{
-    cd "$pkgname"
-    find . -type f -exec sed -i "s:/usr/local:/usr:g" {} ";"
-    find . -type f -exec sed -i "s:/lib:/usr/lib:g" {} ";"
-}
-
-package()
-{
-    cd "$pkgname"
-    echo n | FAKEROOT="$pkgdir" bash ./install.sh > /dev/null
-}

packaging/ARCH/mksrcinfo

@@ -0,0 +1,262 @@
+#!/bin/bash
+
+shopt -s extglob
+
+array_build() {
+  local dest=$1 src=$2 i keys values
+
+  # it's an error to try to copy a value which doesn't exist.
+  declare -p "$2" &>/dev/null || return 1
+
+  # Build an array of the indicies of the source array.
+  eval "keys=(\"\${!$2[@]}\")"
+
+  # Clear the destination array
+  eval "$dest=()"
+
+  # Read values indirectly via their index. This approach gives us support
+  # for associative arrays, sparse arrays, and empty strings as elements.
+  for i in "${keys[@]}"; do
+    values+=("printf -v '$dest[$i]' %s \"\${$src[$i]}\";")
+  done
+
+  eval "${values[*]}"
+}
+
+funcgrep() {
+  { declare -f "$1" || declare -f package; } 2>/dev/null | grep -E "$2"
+}
+
+extract_global_var() {
+  # $1: variable name
+  # $2: multivalued
+  # $3: name of output var
+
+  local attr=$1 isarray=$2 outputvar=$3
+
+  if (( isarray )); then
+    declare -n ref=$attr
+    # Still need to use array_build here because we can't handle the scoping
+    # semantics that would be included with the use of 'declare -n'.
+    [[ ${ref[@]} ]] && array_build "$outputvar" "$attr"
+  else
+    [[ ${!attr} ]] && printf -v "$outputvar" %s "${!attr}"
+  fi
+}
+
+extract_function_var() {
+  # $1: function name
+  # $2: variable name
+  # $3: multivalued
+  # $4: name of output var
+
+  local funcname=$1 attr=$2 isarray=$3 outputvar=$4 attr_regex= decl= r=1
+
+  if (( isarray )); then
+    printf -v attr_regex '^[[:space:]]* %s\+?=\(' "$2"
+  else
+    printf -v attr_regex '^[[:space:]]* %s\+?=[^(]' "$2"
+  fi
+
+  while read -r; do
+    # strip leading whitespace and any usage of declare
+    decl=${REPLY##*([[:space:]])}
+    eval "${decl/#$attr/$outputvar}"
+
+    # entering this loop at all means we found a match, so notify the caller.
+    r=0
+  done < <(funcgrep "$funcname" "$attr_regex")
+
+  return $r
+}
+
+pkgbuild_get_attribute() {
+  # $1: package name
+  # $2: attribute name
+  # $3: multivalued
+  # $4: name of output var
+
+  local pkgname=$1 attrname=$2 isarray=$3 outputvar=$4
+
+  printf -v "$outputvar" %s ''
+
+  if [[ $pkgname ]]; then
+    extract_global_var "$attrname" "$isarray" "$outputvar"
+    extract_function_var "package_$pkgname" "$attrname" "$isarray" "$outputvar"
+  else
+    extract_global_var "$attrname" "$isarray" "$outputvar"
+  fi
+}
+
+srcinfo_open_section() {
+  printf '%s = %s\n' "$1" "$2"
+}
+
+srcinfo_close_section() {
+  echo
+}
+
+srcinfo_write_attr() {
+  # $1: attr name
+  # $2: attr values
+
+  local attrname=$1 attrvalues=("${@:2}")
+
+  # normalize whitespace, strip leading and trailing
+  attrvalues=("${attrvalues[@]//+([[:space:]])/ }")
+  attrvalues=("${attrvalues[@]#[[:space:]]}")
+  attrvalues=("${attrvalues[@]%[[:space:]]}")
+
+  printf "\t$attrname = %s\n" "${attrvalues[@]}"
+}
+
+pkgbuild_extract_to_srcinfo() {
+  # $1: pkgname
+  # $2: attr name
+  # $3: multivalued
+
+  local pkgname=$1 attrname=$2 isarray=$3 outvalue=
+
+  if pkgbuild_get_attribute "$pkgname" "$attrname" "$isarray" 'outvalue'; then
+    srcinfo_write_attr "$attrname" "${outvalue[@]}"
+  fi
+}
+
+srcinfo_write_section_details() {
+  local attr package_arch a
+  local multivalued_arch_attrs=(source provides conflicts depends replaces
+                                optdepends makedepends checkdepends
+                                {md5,sha{1,224,256,384,512}}sums)
+
+  for attr in "${singlevalued[@]}"; do
+    pkgbuild_extract_to_srcinfo "$1" "$attr" 0
+  done
+
+  for attr in "${multivalued[@]}"; do
+    pkgbuild_extract_to_srcinfo "$1" "$attr" 1
+  done
+
+  pkgbuild_get_attribute "$1" 'arch' 1 'package_arch'
+  for a in "${package_arch[@]}"; do
+    # 'any' is special. there's no support for, e.g. depends_any.
+    [[ $a = any ]] && continue
+
+    for attr in "${multivalued_arch_attrs[@]}"; do
+      pkgbuild_extract_to_srcinfo "$1" "${attr}_$a" 1
+    done
+  done
+}
+
+srcinfo_write_global() {
+  local singlevalued=(pkgdesc pkgver pkgrel epoch url install changelog)
+  local multivalued=(arch groups license checkdepends makedepends
+                     depends optdepends provides conflicts replaces
+                     noextract options backup
+                     source {md5,sha{1,224,256,384,512}}sums)
+
+  srcinfo_open_section 'pkgbase' "${pkgbase:-$pkgname}"
+  srcinfo_write_section_details ''
+  srcinfo_close_section
+}
+
+srcinfo_write_package() {
+  local singlevalued=(pkgdesc url install changelog)
+  local multivalued=(arch groups license checkdepends depends optdepends
+                     provides conflicts replaces options backup)
+
+  srcinfo_open_section 'pkgname' "$1"
+  srcinfo_write_section_details "$1"
+  srcinfo_close_section
+}
+
+srcinfo_write() {
+  local pkg
+
+  srcinfo_write_global
+
+  for pkg in "${pkgname[@]}"; do
+    srcinfo_write_package "$pkg"
+  done
+}
+
+clear_environment() {
+  local environ
+
+  mapfile -t environ < <(compgen -A variable |
+      grep -xvF "$(printf '%s\n' "$@")")
+
+  # expect that some variables marked read only will complain here
+  unset -v "${environ[@]}" 2>/dev/null
+}
+
+srcinfo_write_from_pkgbuild() {(
+  clear_environment PATH
+
+  shopt -u extglob
+  . "$1" || exit 1
+  shopt -s extglob
+  srcinfo_write
+)}
+
+
+usage() {
+  printf '%s\n' \
+      'mksrcinfo v8' \
+      '' \
+      'mksrcinfo reads the target PKGBUILD and writes an equivalent .SRCINFO.' \
+      'Without passing any arguments, mksrcinfo will read from $PWD/PKGBUILD' \
+      'and write to $PWD/.SRCINFO.' \
+      '' \
+      'Usage: mksrcinfo [/path/to/pkgbuild]' \
+      '    -h                display this help message and exit' \
+      '    -o <file>         write output to <file>'
+}
+
+error() {
+  printf "==> ERROR: $1\n" "${@:2}" >&2
+}
+
+die() {
+  error "$@"
+  exit 1
+}
+
+write_srcinfo_header() {
+  local timefmt='%a %b %e %H:%M:%S %Z %Y'
+
+  # fiddle with the environment to ensure we get the a consistent language and
+  # timezone.
+  TZ=UTC LC_TIME=C \
+    printf "# Generated by mksrcinfo %s\n# %($timefmt)T\n" 'v8' -1
+}
+
+srcinfo_dest=$PWD/.SRCINFO
+
+while getopts ':o:h' flag; do
+  case $flag in
+    o)
+      srcinfo_dest=$OPTARG
+      ;;
+    :)
+      die "option '-%s' requires an argument" "$OPTARG"
+      ;;
+    h)
+      usage
+      exit 0
+      ;;
+    \?)
+      die "invalid option -- '-%s' (use -h for help)" "$OPTARG"
+      ;;
+  esac
+done
+shift $(( OPTIND - 1 ))
+
+[[ -f PKGBUILD ]] || die 'PKGBUILD not found in current directory'
+
+# TODO: replace this with 'makepkg --printsrcinfo' once makepkg>=4.3 is released.
+{
+  write_srcinfo_header
+  srcinfo_write_from_pkgbuild "${1:-$PWD/PKGBUILD}"
+} >"$srcinfo_dest"
+
+# vim: set et ts=2 sw=2:

packaging/ARCH/update-osync-pkg.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+
+git clone git+ssh://aur@aur.archlinux.org/osync.git osync.aur
+cd "osync.aur" &&
+../makepkg -c &&
+rm -rf osync* &&
+../mksrcinfo &&
+git push origin master &&
+cd .. &&
+rm -rf "osync.aur" &&
+echo "Package updated successfully"