Search for external static deps using git grep

git_extdeps.sh

# Git grep for external static deps (ignores static:: and self:: calls)
alias staticdeps="git grep -Pi '^(?!\s+[*\/]).+\b[a-z][a-z0-9_]++(?<!static|self)::'"

# can also be assigned as a git alias
# add --global if you want it everywhere
git config alias.extdeps "grep -Pi '^(?"'!'"\s+[*\/]).+\\b[a-z][a-z0-9_]++(?<"'!'"static|self)::'"

# usage, global search
git extdeps

# usage, specific path
git extdeps -- classes/foo.php
git extdeps -- vendor/zend