@@ -1 +1,15 @@

 alias diff='diff --color=auto'

+

+# Not to be confused with `splitdiff` from `patchutils`.

+# Splits the hunks of a diff into separate files with names based on the first

+# argument, making sure the file header is present in each one.

+diffsplit()

+(

+  prefix="$1"; shift

+  awk -v prefix="$prefix" '

+    /^diff/ { H = 1; h = $0; next; }

+    /^@@/   { H = 0; print h > (f = sprintf("%s%04d.patch", prefix, ++F)); }

+    H       { h = h "\n" $0;  }

+    !H      { print $0 >> f; }

+  ' "$@"

+)