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authorMartin Afanasjew2016-02-04 14:46:31 +0100
committerMartin Afanasjew2016-02-05 22:07:07 +0100
commit5f049637d9efab6d4433c34b6f7023cf9cd288d1 (patch)
treeb24759a9a0f14804377b3b4c382a9e83eed0b766 /Library/ENV/scm/git
parentf9efa18be146dc4372ac9c7a3a60ec1ad14cbd46 (diff)
downloadbrew-5f049637d9efab6d4433c34b6f7023cf9cd288d1.tar.bz2
ENV: protect against environment being reset
We cannot really recover from this, but at least we'll provide a clearer error message than trying to call `exec` with an empty string.
Diffstat (limited to 'Library/ENV/scm/git')
-rwxr-xr-xLibrary/ENV/scm/git5
1 files changed, 5 insertions, 0 deletions
diff --git a/Library/ENV/scm/git b/Library/ENV/scm/git
index 6124ffe5f..6d13a33a3 100755
--- a/Library/ENV/scm/git
+++ b/Library/ENV/scm/git
@@ -2,6 +2,11 @@
# Make sure this shim uses the same Ruby interpreter that is used by Homebrew.
unset RUBYLIB
unset RUBYOPT
+if [ -z "$HOMEBREW_RUBY_PATH" ]
+then
+ echo "${0##*/}: The build tool has reset ENV; --env=std required." >&2
+ exit 1
+fi
exec "$HOMEBREW_RUBY_PATH" -x "$0" "$@"
#!/usr/bin/env ruby -W0