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Diffstat (limited to 'run-command.c')
-rw-r--r--run-command.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/run-command.c b/run-command.c
index 0b432cc971..4d73e90fad 100644
--- a/run-command.c
+++ b/run-command.c
@@ -4,10 +4,6 @@
#include "sigchain.h"
#include "argv-array.h"
-#ifndef SHELL_PATH
-# define SHELL_PATH "/bin/sh"
-#endif
-
void child_process_init(struct child_process *child)
{
memset(child, 0, sizeof(*child));
@@ -561,7 +557,12 @@ int finish_command(struct child_process *cmd)
int run_command(struct child_process *cmd)
{
- int code = start_command(cmd);
+ int code;
+
+ if (cmd->out < 0 || cmd->err < 0)
+ die("BUG: run_command with a pipe can cause deadlock");
+
+ code = start_command(cmd);
if (code)
return code;
return finish_command(cmd);
@@ -794,9 +795,9 @@ int finish_async(struct async *async)
#endif
}
-char *find_hook(const char *name)
+const char *find_hook(const char *name)
{
- char *path = git_path("hooks/%s", name);
+ const char *path = git_path("hooks/%s", name);
if (access(path, X_OK) < 0)
path = NULL;
@@ -833,3 +834,19 @@ int run_hook_le(const char *const *env, const char *name, ...)
return ret;
}
+
+int capture_command(struct child_process *cmd, struct strbuf *buf, size_t hint)
+{
+ cmd->out = -1;
+ if (start_command(cmd) < 0)
+ return -1;
+
+ if (strbuf_read(buf, cmd->out, hint) < 0) {
+ close(cmd->out);
+ finish_command(cmd); /* throw away exit code */
+ return -1;
+ }
+
+ close(cmd->out);
+ return finish_command(cmd);
+}