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connect: read $GIT_SSH_COMMAND from config file

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Similar to $GIT_ASKPASS or $GIT_PROXY_COMMAND, we also read from
config file first then fall back to $GIT_SSH_COMMAND.

This is useful for selecting different private keys targetting the
same host (e.g. github)

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2016-06-26 13:16:35 +02:00 committed by Junio C Hamano
parent 05219a1276
commit 3c8ede3ff3
2 changed files with 21 additions and 1 deletions
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7
Documentation/config.txt
View file

@ -443,6 +443,13 @@ specify that no proxy be used for a given domain pattern.
This is useful for excluding servers inside a firewall from
proxy use, while defaulting to a common proxy for external domains.
core.sshCommand::
If this variable is set, `git fetch` and `git push` will
use the specified command instead of `ssh` when they need to
connect to a remote system. The command is in the same form as
the `GIT_SSH_COMMAND` environment variable and is overridden
when the environment variable is set.
core.ignoreStat::
If true, Git will avoid using lstat() calls to detect if files have
changed by setting the "assume-unchanged" bit for those tracked files

15
connect.c
View file

@ -658,6 +658,19 @@ static enum protocol parse_connect_url(const char *url_orig, char **ret_host,
static struct child_process no_fork = CHILD_PROCESS_INIT;
static const char *get_ssh_command(void)
{
const char *ssh;
if ((ssh = getenv("GIT_SSH_COMMAND")))
return ssh;
if (!git_config_get_string_const("core.sshcommand", &ssh))
return ssh;
return NULL;
}
/*
* This returns a dummy child_process if the transport protocol does not
* need fork(2), or a struct child_process object if it does. Once done,
@ -758,7 +771,7 @@ struct child_process *git_connect(int fd[2], const char *url,
return NULL;
}
ssh = getenv("GIT_SSH_COMMAND");
ssh = get_ssh_command();
if (!ssh) {
const char *base;
char *ssh_dup;