[pkgsrc/trunk]: pkgsrc/mk/scripts Allow using standard input for the archive ...

[jlam <jlam%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/420d2f53920f
branches:  trunk
changeset: 506763:420d2f53920f
user:      jlam <jlam%pkgsrc.org@localhost>
date:      Sat Jan 21 19:26:09 2006 +0000

description:
Allow using standard input for the archive contents for tar and shar
extraction.

diffstat:

 mk/scripts/extract |  19 ++++++++++++++++---
 1 files changed, 16 insertions(+), 3 deletions(-)

diffs (56 lines):

diff -r 54ab2f4a357e -r 420d2f53920f mk/scripts/extract
--- a/mk/scripts/extract        Sat Jan 21 18:57:40 2006 +0000
+++ b/mk/scripts/extract        Sat Jan 21 19:26:09 2006 +0000
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# $NetBSD: extract,v 1.13 2006/01/21 18:21:08 jlam Exp $
+# $NetBSD: extract,v 1.14 2006/01/21 19:26:09 jlam Exp $
 #
 # Copyright (c) 2006 The NetBSD Foundation, Inc.
 # All rights reserved.
@@ -51,7 +51,10 @@
 #      only they will be extracted from the distfile, provided that the
 #      underlying tool supports this ability.  If the distfile's file
 #      extension doesn't match any known archive format's, then the
-#      distfile is simply copied into the current working directory.
+#      distfile is simply copied into the current working directory.  If
+#      "-" is given as the distfile, then standard input is used as the
+#      contents of the archive, provided that the underlying tool supports
+#      this ability.
 #
 # OPTIONS
 #      -d dir          Extract the files into the specified dir instead
@@ -131,7 +134,7 @@
        -X)     exclude_file="$2"; shift 2 ;;
        -x)     exclude=yes; shift ;;
        --)     shift; break ;;
-       -*)     ${ECHO} 1>&2 "$self: unknown option -- ${1#-}"
+       -?*)    ${ECHO} 1>&2 "$self: unknown option -- ${1#-}"
                usage
                exit 1
                ;;
@@ -159,6 +162,7 @@
 *.gz|*.tgz|*.z)                decompress_cat="${GZCAT}" ;;
 *.bz2|*.tbz|*.tbz2)    decompress_cat="${BZCAT}" ;;
 *.Z)                   decompress_cat="${GZCAT}" ;;
+-)                     decompress_cat="${CAT}" ;;
 esac
 
 # Derive the format of the archive based on the file extension.
@@ -178,6 +182,15 @@
 esac
 ${TEST} -n "$format" || format="$_format"
 
+case "$format" in
+tar|shar)      ;;
+*)             if ${TEST} "$distfile" = "-"; then
+                       ${ECHO} 1>&2 "$self: archive format cannot be given on standard input -- $format"
+                       exit 1
+               fi
+               ;;
+esac
+
 ${TEST} -d "$extract_dir" || ${MKDIR} -p "$extract_dir"
 cd "$extract_dir"