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-rwxr-xr-xcreatelinks93
1 files changed, 48 insertions, 45 deletions
diff --git a/createlinks b/createlinks
index 5eb6fe4..4bf7b7f 100755
--- a/createlinks
+++ b/createlinks
@@ -9,12 +9,6 @@ tmp="$(mktemp -d)"
extractinc=(--include={opt,{,usr/}{lib{,32},{s,}bin}}'/*')
-[ -f "${lock}" ] && exit 1
-touch "${lock}"
-trap "rm -rf '${lock}' '${tmp}'" EXIT
-
-renice +10 -p $$ > /dev/null
-
getpkgname() {
local tmp
@@ -22,48 +16,57 @@ getpkgname() {
echo ${tmp%-*.pkg.tar.*}
}
+generate_links() {
+ for repo in ${repos[@]}; do
+ for arch in ${arches[@]}; do
+ repodir=${repo}/os/${arch}
+ [ ! -f ${target}/$repodir/$repo.db ] && continue
+ echo "$repo/$arch..."
+ cached=false
-for repo in ${repos[@]}; do
- for arch in ${arches[@]}; do
- repodir=${repo}/os/${arch}
- [ ! -f ${target}/$repodir/$repo.db ] && continue
- echo "$repo/$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
- # 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 "$target/$repodir"/*.pkg.tar.?z; do
+ [[ -f $pkg ]] || continue
- # create file lists
- for pkg in "$target/$repodir"/*.pkg.tar.?z; do
- [[ -f $pkg ]] || continue
+ pkgname=$(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 ${tmppkgdir}/pkg
+ bsdtar -xvof "$pkg" -C "$tmppkgdir/pkg" "${extractinc[@]}" 2>/dev/null
+ find "$tmppkgdir/pkg" -type f -exec readelf -d {} + 2>/dev/null |
+ sed -nr 's/.*Shared library: \[(.*)\]$/\1/p' | sort -u >"$tmppkgdir/links"
+ rm -rf ${tmppkgdir}/pkg
+ cached=false
+ fi
+ done
- pkgname=$(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 "$tmppkgdir/pkg" "${extractinc[@]}" 2>/dev/null
- find "$tmppkgdir/pkg" -type f -exec readelf -d {} + 2>/dev/null |
- sed -nr 's/.*Shared library: \[(.*)\]$/\1/p' | sort -u >"$tmppkgdir/links"
- rm -rf ${tmppkgdir}/pkg
- cached=false
- fi
+ # 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
-
- # 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
-done
+}
+
+trap "rm -rf '${tmp}'" EXIT
+renice +10 -p $$ > /dev/null
+
+{
+ flock -n 9 || exit 42
+ generate_links
+} 9>"$lock"