[PATCH 04/16] git-config: read remote config files over HTTP
From: Sven Verdoolaege <skimo@kotnet.org>
Signed-off-by: Sven Verdoolaege <skimo@kotnet.org>
---
Makefile | 7 ++++++-
builtin-config.c | 8 ++++++--
config.c | 16 +++++++++++++++-
http.c | 10 ++++++----
http.h | 2 +-
http_config.h | 1 +
http_config_curl.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
http_config_none.c | 6 ++++++
8 files changed, 93 insertions(+), 9 deletions(-)
create mode 100644 http_config.h
create mode 100644 http_config_curl.c
create mode 100644 http_config_none.c
diff --git a/Makefile b/Makefile
index 37eb861..bce8514 100644
--- a/Makefile
+++ b/Makefile
@@ -319,7 +319,8 @@ LIB_OBJS = \
write_or_die.o trace.o list-objects.o grep.o match-trees.o \
alloc.o merge-file.o path-list.o help.o unpack-trees.o $(DIFF_OBJS) \
color.o wt-status.o archive-zip.o archive-tar.o shallow.o utf8.o \
- convert.o attr.o decorate.o progress.o mailmap.o symlinks.o
+ convert.o attr.o decorate.o progress.o mailmap.o symlinks.o \
+ $(HTTP_CONFIG_OBJ)
BUILTIN_OBJS = \
builtin-add.o \
@@ -526,6 +527,10 @@ ifndef NO_CURL
ifndef NO_EXPAT
EXPAT_LIBEXPAT = -lexpat
endif
+ HTTP_CONFIG_OBJ = http_config_curl.o http.o
+ EXTLIBS += $(CURL_LIBCURL)
+else
+ HTTP_CONFIG_OBJ = http_config_none.o
endif
ifndef NO_OPENSSL
diff --git a/builtin-config.c b/builtin-config.c
index 3a1e86c..7e18f73 100644
--- a/builtin-config.c
+++ b/builtin-config.c
@@ -147,8 +147,12 @@ int cmd_config(int argc, const char **argv, const char *prefix)
type = T_INT;
else if (!strcmp(argv[1], "--bool"))
type = T_BOOL;
- else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l"))
- return git_config(show_all_config);
+ else if (!strcmp(argv[1], "--list") || !strcmp(argv[1], "-l")) {
+ if (dest)
+ return git_config_from_remote(show_all_config, dest);
+ else
+ return git_config(show_all_config);
+ }
else if (!strcmp(argv[1], "--global")) {
char *home = getenv("HOME");
if (home) {
diff --git a/config.c b/config.c
index dbfae3f..fc2162b 100644
--- a/config.c
+++ b/config.c
@@ -7,6 +7,7 @@
*/
#include "cache.h"
#include "pkt-line.h"
+#include "http_config.h"
#define MAXNAME (256)
@@ -406,6 +407,16 @@ int git_config_from_file(config_fn_t fn, const char *filename)
return ret;
}
+static int config_from_http(config_fn_t fn, char *dest)
+{
+ char config_temp[50];
+ if (git_http_fetch_config(dest, config_temp, sizeof(config_temp)))
+ return 1;
+ git_config_from_file(fn, config_temp);
+ unlink(config_temp);
+ return 0;
+}
+
int git_config_from_remote(config_fn_t fn, char *dest)
{
int ret;
@@ -414,7 +425,10 @@ int git_config_from_remote(config_fn_t fn, char *dest)
static char var[MAXNAME];
static char value[1024];
- pid = git_connect(fd, dest, dumpconfig);
+ if (!prefixcmp(dest, "http://"))
+ return config_from_http(fn, dest);
+
+ pid = git_connect(fd, dest, dumpconfig, 0);
if (pid < 0)
return 1;
ret = 0;
diff --git a/http.c b/http.c
index ae27e0c..c8237cb 100644
--- a/http.c
+++ b/http.c
@@ -25,6 +25,8 @@ long curl_low_speed_limit = -1;
long curl_low_speed_time = -1;
int curl_ftp_no_epsv = 0;
+void (*fill_active_slots)(void) = NULL;
+
struct curl_slist *pragma_header;
struct active_request_slot *active_queue_head = NULL;
@@ -394,7 +396,8 @@ void step_active_slots(void)
} while (curlm_result == CURLM_CALL_MULTI_PERFORM);
if (num_transfers < active_requests) {
process_curl_messages();
- fill_active_slots();
+ if (fill_active_slots)
+ fill_active_slots();
}
}
#endif
@@ -458,9 +461,8 @@ void release_active_slot(struct active_request_slot *slot)
curl_easy_cleanup(slot->curl);
slot->curl = NULL;
}
-#ifdef USE_CURL_MULTI
- fill_active_slots();
-#endif
+ if (fill_active_slots)
+ fill_active_slots();
}
static void finish_active_slot(struct active_request_slot *slot)
diff --git a/http.h b/http.h
index 7a41cde..7f29ff8 100644
--- a/http.h
+++ b/http.h
@@ -68,8 +68,8 @@ extern void run_active_slot(struct active_request_slot *slot);
extern void finish_all_active_slots(void);
extern void release_active_slot(struct active_request_slot *slot);
-#ifdef USE_CURL_MULTI
extern void (*fill_active_slots)(void);
+#ifdef USE_CURL_MULTI
extern void step_active_slots(void);
#endif
diff --git a/http_config.h b/http_config.h
new file mode 100644
index 0000000..25f5c19
--- /dev/null
+++ b/http_config.h
@@ -0,0 +1 @@
+int git_http_fetch_config(const char *repo, char *config_file, int len);
diff --git a/http_config_curl.c b/http_config_curl.c
new file mode 100644
index 0000000..88317cf
--- /dev/null
+++ b/http_config_curl.c
@@ -0,0 +1,52 @@
+#include "http_config.h"
+#include "http.h"
+
+int git_http_fetch_config(const char *repo, char *config, int config_len)
+{
+ char url[PATH_MAX];
+ int len = strlen(repo);
+
+ int fd;
+ FILE *configfile;
+ struct active_request_slot *slot;
+ struct slot_results results;
+
+ strcpy(url, repo);
+ while (len > 0 && url[len-1] == '/')
+ --len;
+ snprintf(url+len, sizeof(url)-len, "/config");
+
+ fd = git_mkstemp(config, config_len, ".config_XXXXXX");
+ if (fd >= 0)
+ configfile = fdopen(fd, "w");
+ if (fd < 0 || !configfile)
+ return error("Unable to open local file %s for config",
+ config);
+
+ http_init();
+
+ slot = get_active_slot();
+ slot->results = &results;
+ curl_easy_setopt(slot->curl, CURLOPT_FILE, configfile);
+ curl_easy_setopt(slot->curl, CURLOPT_WRITEFUNCTION, fwrite);
+ curl_easy_setopt(slot->curl, CURLOPT_URL, url);
+ slot->local = configfile;
+
+ if (start_active_slot(slot)) {
+ run_active_slot(slot);
+ if (results.curl_result != CURLE_OK) {
+ fclose(configfile);
+ warning("Unable to get config %s\n%s", url,
+ curl_errorstr);
+ }
+ } else {
+ fclose(configfile);
+ return error("Unable to start request");
+ }
+
+ http_cleanup();
+
+ fclose(configfile);
+
+ return 0;
+}
diff --git a/http_config_none.c b/http_config_none.c
new file mode 100644
index 0000000..860ae84
--- /dev/null
+++ b/http_config_none.c
@@ -0,0 +1,6 @@
+#include "http_config.h"
+
+int git_http_fetch_config(const char *repo, char *config_file, int len)
+{
+ return error("Reading http config files not supported");
+}
--
1.5.2.rc3.783.gc7476-dirty