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Martin Afanasjew d7aa0c0335 scm/git: prevent exec bomb with 'env :userpaths'

Using `git` from `Formula#install` can cause an exec bomb if used in a
formula with `env :userpaths` because that causes both `Library/ENV/4.3`
and `Library/ENV/scm` to be in PATH, both of which contain a `git`
binary that is the same SCM wrapper. Those will mutually exec each other
indefinitely as they fail to detect that they are the same wrapper.

Extend the exec-bomb protection to check the paths after all symbolic
links have been expanded to prevent this situation.

Fixes #43.
Fixes Homebrew/homebrew-core#133.
Fixed Homebrew/homebrew-core#143.

Closes #46.

Signed-off-by: Martin Afanasjew <martin@afanasjew.de>

2016-04-08 00:04:15 +02:00

.github

CONTRIBUTING.md: update url

2016-04-05 13:24:20 +08:00

bin

bin/brew: unset POSIX mode.

2016-02-25 11:33:04 +00:00

etc/bash_completion.d

unlinkapps: add --dry-run option

2016-04-06 10:31:54 +02:00

Library

scm/git: prevent exec bomb with 'env :userpaths'

2016-04-08 00:04:15 +02:00

prune: handle broken app symlinks

2016-04-06 10:31:54 +02:00

.gitignore

Core/formula separation Part 2(b)

2016-04-03 18:34:17 +08:00

.travis.yml

travis: fix rsync problem

2016-04-03 21:21:18 +08:00

.yardopts

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