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@xxxxxxxxx>
---
core.gitProxy can also be used for my purpose (I need pushing, not
fetching though; the document says for fetching but I guess
core.gitProxy always works for pushing), but then the key file
is hidden behind the script. And writing a script for this seems a
bit overkill.
Documentation/config.txt | 7 +++++++
connect.c | 15 ++++++++++++++-
2 files changed, 21 insertions(+), 1 deletion(-)
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 58673cf..3bf070c 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -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 then '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
+ 'GIT_SSH_COMMAND' environment variable and is overriden 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
diff --git a/connect.c b/connect.c
index c53f3f1..722dc3f 100644
--- a/connect.c
+++ b/connect.c
@@ -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;
--
2.8.2.530.g66e63ce
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