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run-command: add env_array, an optional argv_array for env

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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>
This commit is contained in:
René Scharfe
2014-10-19 13:13:55 +02:00
committed by Junio C Hamano
parent 98349e5364
commit 19a583dc39
3 changed files with 13 additions and 1 deletions
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3
run-command.h
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@ -10,6 +10,7 @@
struct child_process {
const char **argv;
struct argv_array args;
struct argv_array env_array;
pid_t pid;
/*
* Using .in, .out, .err:
@ -44,7 +45,7 @@ struct child_process {
unsigned clean_on_exit:1;
};
#define CHILD_PROCESS_INIT { NULL, ARGV_ARRAY_INIT }
#define CHILD_PROCESS_INIT { NULL, ARGV_ARRAY_INIT, ARGV_ARRAY_INIT }
void child_process_init(struct child_process *);
int start_command(struct child_process *);