[gentoo-dev] [PATCH 2/5] unpacker.eclass: Reuse _unpacker_get_decompressor for makeself

[Michał Górny]

Signed-off-by: Michał Górny <mgo...@gentoo.org>
---
 eclass/unpacker.eclass | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/eclass/unpacker.eclass b/eclass/unpacker.eclass
index 86641621c949..660cafce5105 100644
--- a/eclass/unpacker.eclass
+++ b/eclass/unpacker.eclass
@@ -243,30 +243,32 @@ unpack_makeself() {
        esac
 
        # lets grab the first few bytes of the file to figure out what kind of 
archive it is
-       local filetype tmpfile="${T}/${FUNCNAME}"
+       local decomp= filetype suffix tmpfile="${T}/${FUNCNAME}"
        "${exe[@]}" 2>/dev/null | head -c 512 > "${tmpfile}"
        filetype=$(file -b "${tmpfile}") || die
        case ${filetype} in
                *tar\ archive*)
-                       "${exe[@]}" | tar --no-same-owner -xf -
+                       decomp=cat
                        ;;
                bzip2*)
-                       "${exe[@]}" | bzip2 -dc | tar --no-same-owner -xf -
+                       suffix=bz2
                        ;;
                gzip*)
-                       "${exe[@]}" | tar --no-same-owner -xzf -
+                       suffix=gz
                        ;;
                compress*)
-                       "${exe[@]}" | gunzip | tar --no-same-owner -xf -
+                       suffix=z
                        ;;
                XZ*)
-                       "${exe[@]}" | unxz | tar --no-same-owner -xf -
+                       suffix=xz
                        ;;
                *)
-                       eerror "Unknown filetype \"${filetype}\" ?"
-                       false
+                       die "Unknown filetype \"${filetype}\", for makeself 
${src##*/} ('${ver}' +${skip})"
                        ;;
        esac
+
+       [[ -z ${decomp} ]] && decomp=$(_unpacker_get_decompressor ".${suffix}")
+       "${exe[@]}" | ${decomp} | tar --no-same-owner -xf -
        assert "failure unpacking (${filetype}) makeself ${src##*/} ('${ver}' 
+${skip})"
 }
 
-- 
2.37.3