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authorB. Watson <yalhcru@gmail.com>2020-06-01 13:39:39 -0400
committerB. Watson <yalhcru@gmail.com>2020-06-01 13:39:39 -0400
commit135b6988a809f22a633d9a90273cd6447cfa85be (patch)
treef4a05436f1db203e0a2ccf80b70d959f6faffcd6
parent722e9a7b6816c960ff1e02b352dfb909983e8f1b (diff)
downloadmisc-scripts-135b6988a809f22a633d9a90273cd6447cfa85be.tar.gz
add deb2tgz
-rwxr-xr-xdeb2tgz24
1 files changed, 24 insertions, 0 deletions
diff --git a/deb2tgz b/deb2tgz
new file mode 100755
index 0000000..bb7b3d0
--- /dev/null
+++ b/deb2tgz
@@ -0,0 +1,24 @@
+#!/bin/sh
+
+INPUT="$1"
+
+if [ -z "$INPUT" -o "$INPUT" = "--help" ]; then
+ echo "deb2tgz by B. Watson <yalhcru@gmail.com>, WTFPL"
+ echo "Usage: `basename $0` filename.deb"
+ exit 0
+fi
+
+OUTPUT="`basename $1 .deb`.tgz"
+
+# used to always be data.tar.gz, newer debs might have data.tar.xz,
+# so we have to check. ar doesn't support wildcards like tar does, so
+# we can't just say "data.tar.*".
+
+DATA="$( ar t "$INPUT" 2>/dev/null | grep '^data\.tar\.' )"
+
+if [ -z "$DATA" ]; then
+ echo "Can't find any data.tar.* file(s) in the archive, invalid deb?" 2>&1
+ exit 1
+fi
+
+ar p "$INPUT" "$DATA" > $OUTPUT