"J. Hellenthal" <[email protected]> writes:
[...]
> @@ -33,7 +33,8 @@
>
> new_bak_file=`mktemp ${bak_file}-XXXXX`
>
> - if tar -cjf "${new_bak_file}" "$pkg_dbdir"; then
> + cd $pkg_dbdir/..
> + if tar -cjf "${new_bak_file}" "$(basename $pkg_dbdir)"; then
Why not use `-s' (substitution) option of bsdtar(1)?
if tar -cjf "${new_bak_file}" -s "|$pkg_dbdir||" "$pkg_dbdir"; then
$(basename $pkg_dbdir) is technically wrong as PKG_DBDIR points not to
/var/db but to /var/db/pkg by default and is not guaranteed to contain
`pkg' at the tail, e.g.
PKG_DBDIR is /foo, so /var/backups/pkgdb.bak.tbz-XXX has foo/ prefix
PKG_DBDIR is /blah/bar, so /var/backups/pkgdb.bak.tbz-YYY has bar/ prefix
It only adds one more hoop to jump through when restoring from backup, e.g.
tar xf /var/backups/pkgdb.bak.tbz-XXX --strip-components 1 -C $PKG_DBDIR ...
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