From ce1d818e401e640dea188926ab66b7113d0c067f Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Sat, 10 Apr 2010 02:33:02 +0200
Subject: initial commit

---
 createlinks | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100755 createlinks

(limited to 'createlinks')

diff --git a/createlinks b/createlinks
new file mode 100755
index 0000000..bfcefae
--- /dev/null
+++ b/createlinks
@@ -0,0 +1,69 @@
+#!/bin/bash
+
+home="$(dirname "${0}")"
+target="${home}/repo"
+repos=('core' 'extra' 'community')
+arches=('i686' 'x86_64')
+lock='/tmp/mirrorsync.lck'
+tmp="$(mktemp -d)"
+
+[ -f "${lock}" ] && exit 1
+touch "${lock}"
+
+renice +10 -p $$ > /dev/null
+
+getpkgname() {
+	local tmp
+
+	tmp=${1##*/}
+	echo ${tmp%-*.pkg.tar.*}
+}
+
+
+for repo in ${repos[@]}; do
+	for arch in ${arches[@]}; do
+	#	(
+		repodir=${repo}/os/${arch}
+		cached=false
+
+		# extract old file archive
+		if [ -f ${target}/${repodir}/${repo}.links.tar.gz ]; then
+			mkdir -p ${tmp}/cache/${repodir}
+			bsdtar -xf ${target}/${repodir}/${repo}.links.tar.gz -C ${tmp}/cache/${repodir}
+			cached=true
+		fi
+
+		# create file lists
+		for pkg in $(find $target/$repodir -type f -name '*.pkg.tar.*'); do
+			pkgname=$(getpkgname $pkg)
+			tmppkgdir=${tmp}/tmp/${repodir}/${pkgname}
+			mkdir -p $tmppkgdir
+ 			if [ -f "${tmp}/cache/${repodir}/${pkgname}/links" ]; then
+				# reuse the cached file
+				mv ${tmp}/cache/${repodir}/${pkgname}/links ${tmppkgdir}/links
+			else
+				echo "$repo/$arch: $pkgname"
+				mkdir -p ${tmppkgdir}/pkg
+				bsdtar -xof $pkg -C ${tmppkgdir}/pkg --include={opt,{,usr/}{lib,{s,}bin}}'/*' 2>/dev/null
+				for f in $(find ${tmppkgdir}/pkg -type f); do
+					readelf -d "$f" 2> /dev/null | sed -nr 's/.*Shared library: \[(.*)\].*/\1/p'
+				done | sort -u > ${tmppkgdir}/links
+				rm -rf ${tmppkgdir}/pkg
+				cached=false
+ 			fi
+		done
+
+		# create new file archive
+		if ! $cached; then
+			# at least one package has changed, so let's rebuild the archive
+			pkgdir=${target}/${repodir}
+			mkdir -p $pkgdir
+			bsdtar --exclude=*.tar.* -czf ${pkgdir}/${repo}.links.tar.gz -C ${tmp}/tmp/${repodir} .
+		fi
+	#	)&
+	done
+#wait
+done
+
+rm -rf ${tmp} 
+rm -f "${lock}"
-- 
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