# This hook executes the following tasks: # - rewrites python shebangs with the corresponding python version hook() { local pyver= shebang= warn= for i in $python_versions; do if [ "$pyver" ]; then warn=1 break; fi pyver=$i done : ${pyver:=2.7} shebang="#!/usr/bin/python$pyver" find ${PKGDESTDIR} -type f -print0 | \ xargs -0 grep -H -b -m 1 "^#!.*\([[:space:]]\|/\)python\([[:space:]]\|$\)" -- | while IFS=: read -r f off _; do [ "$off" -eq 0 ] || continue if [ "$warn" ]; then msg_warn "$pkgname: multiple python versions defined!" msg_warn "$pkgname: using $pyver for shebang" warn= fi echo " Unversioned shebang replaced by '$shebang': ${f#$PKGDESTDIR}" sed -i "1s@.*python@${shebang}@" -- "$f" done }