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ssh_exec: support GIT_SSH_COMMAND

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Look for the `GIT_SSH_COMMAND` environment variable and prefer it to
`GIT_SSH`. The `GIT_SSH_COMMAND` will execute via the shell, which is
useful to provide additional arguments.
This commit is contained in:
Edward Thomson
2025-11-30 21:30:41 +00:00
parent f05143b946
commit dfadbd0c8f
1 changed files with 12 additions and 3 deletions
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15
src/libgit2/transports/ssh_exec.c
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@@ -121,6 +121,7 @@ GIT_INLINE(int) ensure_transport_state(
static int get_ssh_cmdline(
git_vector *args,
bool *use_shell,
ssh_exec_subtransport *transport,
git_net_url *url,
const char *command)
@@ -152,8 +153,12 @@ static int get_ssh_cmdline(
if ((error = git_repository_config_snapshot(&cfg, repo)) < 0)
return error;
if ((error = git__getenv(&ssh_cmd, "GIT_SSH")) == 0)
;
if ((error = git__getenv(&ssh_cmd, "GIT_SSH_COMMAND")) == 0)
*use_shell = true;
else if (error != GIT_ENOTFOUND)
goto done;
else if ((error = git__getenv(&ssh_cmd, "GIT_SSH")) == 0)
*use_shell = false;
else if (error != GIT_ENOTFOUND)
goto done;
else if ((error = git_config__get_string_buf(&ssh_cmd, cfg, "core.sshcommand")) < 0 && error != GIT_ENOTFOUND)
@@ -213,6 +218,7 @@ static int start_ssh(
git_process_options process_opts = GIT_PROCESS_OPTIONS_INIT;
git_net_url url = GIT_NET_URL_INIT;
git_vector args = GIT_VECTOR_INIT;
bool use_shell = false;
const char *command;
int error;
@@ -243,9 +249,12 @@ static int start_ssh(
if (error < 0)
goto done;
if ((error = get_ssh_cmdline(&args, transport, &url, command)) < 0)
if ((error = get_ssh_cmdline(&args, &use_shell,
transport, &url, command)) < 0)
goto done;
process_opts.use_shell = use_shell;
if ((error = git_process_new(&transport->process,
(const char **)args.contents, args.length,
env, ARRAY_SIZE(env), &process_opts)) < 0 ||