1 files changed, 44 insertions, 0 deletions
diff --git a/system/isextract/git2tarxz.sh b/system/isextract/git2tarxz.sh
new file mode 100644
index 0000000000000..02b50e68cd64d
--- /dev/null
+++ b/system/isextract/git2tarxz.sh
@@ -0,0 +1,44 @@
+#!/bin/sh
+
+# Create source tarball from git repo, with generated version
+# number.
+
+# Note that this script doesn't need to be run as root. It does
+# need to be able to write to the current directory it's run from.
+
+# Takes one optional argument, which is the commit or tag to create
+# a tarball of. With no arg, HEAD is used.
+
+PRGNAM=isextract
+CLONE_URL=https://github.com/OmniBlade/isextract.git
+
+set -e
+
+GITDIR=$( mktemp -dt $PRGNAM.git.XXXXXX )
+rm -rf $GITDIR
+git clone $CLONE_URL $GITDIR
+
+CWD="$( pwd )"
+cd $GITDIR
+
+if [ "$1" != "" ]; then
+  git reset --hard "$1" || exit 1
+fi
+
+GIT_SHA=$( git rev-parse --short HEAD )
+
+DATE=$( git log --date=format:%Y%m%d --format=%cd | head -1 )
+
+VERSION=${DATE}_${GIT_SHA}
+
+rm -rf .git
+find . -name .gitignore -print0 | xargs -0 rm -f
+
+cd "$CWD"
+rm -rf $PRGNAM-$VERSION $PRGNAM-$VERSION.tar.xz
+mv $GITDIR $PRGNAM-$VERSION
+tar cvfJ $PRGNAM-$VERSION.tar.xz $PRGNAM-$VERSION
+
+echo
+echo "Created tarball: $PRGNAM-$VERSION.tar.xz"
+echo "VERSION=$VERSION"