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| author |   Michał Górny <mgorny@gentoo.org> | 2019-07-25 08:16:42 +0200 |
|---|---|---|
| committer | Michał Górny <mgorny@gentoo.org> | 2019-07-27 11:49:49 +0200 |
| commit | b5be6cf9e6ac618c9ba413192486dedede9da3e1 (patch) | |
| tree | c7a812ce117068f00c56615bb01bcb94c9e679f7 /eclass/vcs-snapshot.eclass | |
| parent | vcs-snapshot.eclass: Add verbose einfo for unpacking (diff) | |
| download | gentoo-b5be6cf9e6ac618c9ba413192486dedede9da3e1.tar.gz gentoo-b5be6cf9e6ac618c9ba413192486dedede9da3e1.tar.bz2 gentoo-b5be6cf9e6ac618c9ba413192486dedede9da3e1.zip | |
vcs-snapshot.eclass: Detect and report invalid directory structure
Detect when the archive does not contain a single top-level directory,
and abort in that case. Otherwise, --strip-components would result
in unpredictable mess.
Signed-off-by: Michał Górny <mgorny@gentoo.org>
Diffstat (limited to 'eclass/vcs-snapshot.eclass')
| -rw-r--r-- | eclass/vcs-snapshot.eclass | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/eclass/vcs-snapshot.eclass b/eclass/vcs-snapshot.eclass index 312e9a4611e1..d3f7025fbb35 100644 --- a/eclass/vcs-snapshot.eclass +++ b/eclass/vcs-snapshot.eclass @@ -68,8 +68,21 @@ vcs-snapshot_src_unpack() { debug-print "${FUNCNAME}: unpacking ${f} to ${destdir}" - # XXX: check whether the directory structure inside is - # fine? i.e. if the tarball has actually a parent dir. + local l topdirs=() + while read -r l; do + topdirs+=( "${l}" ) + done < <(tar -t -f "${DISTDIR}/${f}" | cut -d/ -f1 | sort -u) + if [[ ${#topdirs[@]} -gt 1 ]]; then + eerror "The archive ${f} contains multiple or no top directory." + eerror "It is impossible for vcs-snapshot to unpack this correctly." + eerror "Top directories found:" + local d + for d in "${topdirs[@]}"; do + eerror " ${d}" + done + die "${FUNCNAME}: Invalid directory structure in archive ${f}" + fi + mkdir "${destdir}" || die # -o (--no-same-owner) to avoid restoring original owner einfo "Unpacking ${f}" |