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(-)