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authorRené Scharfe <l.s.r@web.de>2014-10-19 13:13:55 +0200
committerJunio C Hamano <gitster@pobox.com>2014-10-19 15:26:31 -0700
commit19a583dc39e3e1110f746e837c5ce1953d6ebfa1 (patch)
tree6e16bc5612a97be1602c703a622dba52b55b3b56 /run-command.c
parent98349e5364da6164add4ede3e63ceba2cc39159b (diff)
downloadgit-19a583dc39e3e1110f746e837c5ce1953d6ebfa1.tar.gz
run-command: add env_array, an optional argv_array for env
Similar to args, add a struct argv_array member to struct child_process that simplifies specifying the environment for children. It is freed automatically by finish_command() or if start_command() encounters an error. Suggested-by: Jeff King <peff@peff.net> Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'run-command.c')
-rw-r--r--run-command.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/run-command.c b/run-command.c
index 761f0fde40..46be513c48 100644
--- a/run-command.c
+++ b/run-command.c
@@ -12,6 +12,7 @@ void child_process_init(struct child_process *child)
{
memset(child, 0, sizeof(*child));
argv_array_init(&child->args);
+ argv_array_init(&child->env_array);
}
struct child_to_clean {
@@ -287,6 +288,8 @@ int start_command(struct child_process *cmd)
if (!cmd->argv)
cmd->argv = cmd->args.argv;
+ if (!cmd->env)
+ cmd->env = cmd->env_array.argv;
/*
* In case of errors we must keep the promise to close FDs
@@ -338,6 +341,7 @@ fail_pipe:
error("cannot create %s pipe for %s: %s",
str, cmd->argv[0], strerror(failed_errno));
argv_array_clear(&cmd->args);
+ argv_array_clear(&cmd->env_array);
errno = failed_errno;
return -1;
}
@@ -524,6 +528,7 @@ fail_pipe:
else if (cmd->err)
close(cmd->err);
argv_array_clear(&cmd->args);
+ argv_array_clear(&cmd->env_array);
errno = failed_errno;
return -1;
}
@@ -550,6 +555,7 @@ int finish_command(struct child_process *cmd)
{
int ret = wait_or_whine(cmd->pid, cmd->argv[0]);
argv_array_clear(&cmd->args);
+ argv_array_clear(&cmd->env_array);
return ret;
}