v4 fixes a few minor compatability issues: * add 'extern' reference for 'environ' * small portability change with the signal handeling * remove trailing ',' in enum * null_fd not opened with O_NONBLOCK Brandon Williams (9): t5550: use write_script to generate post-update hook t0061: run_command executes scripts without a #! line run-command: prepare command before forking run-command: use the async-signal-safe execv instead of execvp run-command: prepare child environment before forking run-command: don't die in child when duping /dev/null run-command: eliminate calls to error handling functions in child run-command: handle dup2 and close errors in child run-command: add note about forking and threading Eric Wong (1): run-command: block signals between fork and execve run-command.c | 425 ++++++++++++++++++++++++++++++++++++--------- t/t0061-run-command.sh | 11 ++ t/t5550-http-fetch-dumb.sh | 5 +- 3 files changed, 356 insertions(+), 85 deletions(-) -- 2.12.2.762.g0e3151a226-goog