git-svn-diff.sh

#!/bin/sh
TRUNK_HASH=`git show-ref --hash remotes/trunk`
REV=`git svn find-rev "$TRUNK_HASH"`
git diff --no-prefix $* remotes/trunk |
sed "
# New files have /dev/null as their original path
/^--- \/dev\/null/{
    # Read a line into the pattern space
    N
    # Do a multiline substitution
    s/^--- \/dev\/null\n+++ \(.*\)$/--- \1\t(revision 0)\n+++ \1\t (working copy)/
    # Jump to the end of the script. This skips the next two substitutions
    b end
}
s/^+++ .*/&\t(working copy)/
s/^--- .*/&\t(revision $REV)/
: end
"