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http-backend: add GIT_PROJECT_ROOT environment var

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Add a new environment variable, GIT_PROJECT_ROOT, to override the
method of using PATH_TRANSLATED to find the git repository on disk.
This makes it much easier to configure the web server, especially when
the web server's DocumentRoot does not contain the git repositories,
which is the usual case.

Signed-off-by: Mark Lodato <lodatom@gmail.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Mark Lodato
2009-10-30 17:47:35 -07:00
committed by Junio C Hamano
parent 556cfa3b6d
commit 917adc0360
2 changed files with 39 additions and 25 deletions
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25
http-backend.c
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@ -528,6 +528,26 @@ static NORETURN void die_webcgi(const char *err, va_list params)
exit(0);
}
static char* getdir(void)
{
struct strbuf buf = STRBUF_INIT;
char *pathinfo = getenv("PATH_INFO");
char *root = getenv("GIT_PROJECT_ROOT");
char *path = getenv("PATH_TRANSLATED");
if (root && *root) {
if (!pathinfo || !*pathinfo)
die("GIT_PROJECT_ROOT is set but PATH_INFO is not");
strbuf_addstr(&buf, root);
strbuf_addstr(&buf, pathinfo);
return strbuf_detach(&buf, NULL);
} else if (path && *path) {
return xstrdup(path);
} else
die("No GIT_PROJECT_ROOT or PATH_TRANSLATED from server");
return NULL;
}
static struct service_cmd {
const char *method;
const char *pattern;
@ -549,7 +569,7 @@ static struct service_cmd {
int main(int argc, char **argv)
{
char *method = getenv("REQUEST_METHOD");
char *dir = getenv("PATH_TRANSLATED");
char *dir;
struct service_cmd *cmd = NULL;
char *cmd_arg = NULL;
int i;
@ -561,8 +581,7 @@ int main(int argc, char **argv)
die("No REQUEST_METHOD from server");
if (!strcmp(method, "HEAD"))
method = "GET";
if (!dir)
die("No PATH_TRANSLATED from server");
dir = getdir();
for (i = 0; i < ARRAY_SIZE(services); i++) {
struct service_cmd *c = &services[i];