builtin-help: fallback to GIT_MAN_VIEWER before man

diff --git a/http.c b/http.c
index 256a5f15f40a8d9389560e1fb08e34a56e9f7140..1108ab4a3101fb4768cad420ccfdb52d87890a18 100644 (file)
--- a/http.c
+++ b/http.c
@@ -13,14 +13,14 @@ static CURL *curl_default;
 char curl_errorstr[CURL_ERROR_SIZE];
 
 static int curl_ssl_verify = -1;
-static char *ssl_cert = NULL;
+static const char *ssl_cert = NULL;
 #if LIBCURL_VERSION_NUM >= 0x070902
-static char *ssl_key = NULL;
+static const char *ssl_key = NULL;
 #endif
 #if LIBCURL_VERSION_NUM >= 0x070908
-static char *ssl_capath = NULL;
+static const char *ssl_capath = NULL;
 #endif
-static char *ssl_cainfo = NULL;
+static const char *ssl_cainfo = NULL;
 static long curl_low_speed_limit = -1;
 static long curl_low_speed_time = -1;
 static int curl_ftp_no_epsv = 0;
@@ -30,10 +30,11 @@ static struct curl_slist *pragma_header;
 
 static struct active_request_slot *active_queue_head = NULL;
 
-size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb,
-                          struct buffer *buffer)
+size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb, void *buffer_)
 {
        size_t size = eltsize * nmemb;
+       struct buffer *buffer = buffer_;
+
        if (size > buffer->buf.len - buffer->posn)
                size = buffer->buf.len - buffer->posn;
        memcpy(ptr, buffer->buf.buf + buffer->posn, size);
@@ -42,17 +43,17 @@ size_t fread_buffer(void *ptr, size_t eltsize, size_t nmemb,
        return size;
 }
 
-size_t fwrite_buffer(const void *ptr, size_t eltsize,
-                           size_t nmemb, struct strbuf *buffer)
+size_t fwrite_buffer(const void *ptr, size_t eltsize, size_t nmemb, void *buffer_)
 {
        size_t size = eltsize * nmemb;
+       struct strbuf *buffer = buffer_;
+
        strbuf_add(buffer, ptr, size);
        data_received++;
        return size;
 }
 
-size_t fwrite_null(const void *ptr, size_t eltsize,
-                         size_t nmemb, struct strbuf *buffer)
+size_t fwrite_null(const void *ptr, size_t eltsize, size_t nmemb, void *strbuf)
 {
        data_received++;
        return eltsize * nmemb;
@@ -90,7 +91,7 @@ static void process_curl_messages(void)
 }
 #endif
 
-static int http_options(const char *var, const char *value)
+static int http_options(const char *var, const char *value, void *cb)
 {
        if (!strcmp("http.sslverify", var)) {
                if (curl_ssl_verify == -1) {
@@ -100,39 +101,27 @@ static int http_options(const char *var, const char *value)
        }
 
        if (!strcmp("http.sslcert", var)) {
-               if (ssl_cert == NULL) {
-                       if (!value)
-                               return config_error_nonbool(var);
-                       ssl_cert = xstrdup(value);
-               }
+               if (ssl_cert == NULL)
+                       return git_config_string(&ssl_cert, var, value);
                return 0;
        }
 #if LIBCURL_VERSION_NUM >= 0x070902
        if (!strcmp("http.sslkey", var)) {
-               if (ssl_key == NULL) {
-                       if (!value)
-                               return config_error_nonbool(var);
-                       ssl_key = xstrdup(value);
-               }
+               if (ssl_key == NULL)
+                       return git_config_string(&ssl_key, var, value);
                return 0;
        }
 #endif
 #if LIBCURL_VERSION_NUM >= 0x070908
        if (!strcmp("http.sslcapath", var)) {
-               if (ssl_capath == NULL) {
-                       if (!value)
-                               return config_error_nonbool(var);
-                       ssl_capath = xstrdup(value);
-               }
+               if (ssl_capath == NULL)
+                       return git_config_string(&ssl_capath, var, value);
                return 0;
        }
 #endif
        if (!strcmp("http.sslcainfo", var)) {
-               if (ssl_cainfo == NULL) {
-                       if (!value)
-                               return config_error_nonbool(var);
-                       ssl_cainfo = xstrdup(value);
-               }
+               if (ssl_cainfo == NULL)
+                       return git_config_string(&ssl_cainfo, var, value);
                return 0;
        }
 
@@ -169,7 +158,7 @@ static int http_options(const char *var, const char *value)
        }
 
        /* Fall back on the default ones */
-       return git_default_config(var, value);
+       return git_default_config(var, value, cb);
 }
 
 static CURL* get_curl_handle(void)
@@ -263,7 +252,7 @@ void http_init(struct remote *remote)
        if (low_speed_time != NULL)
                curl_low_speed_time = strtol(low_speed_time, NULL, 10);
 
-       git_config(http_options);
+       git_config(http_options, NULL);
 
        if (curl_ssl_verify == -1)
                curl_ssl_verify = 1;
@@ -583,14 +572,15 @@ static char *quote_ref_url(const char *base, const char *ref)
        int len, baselen, ch;
 
        baselen = strlen(base);
-       len = baselen + 7; /* "/refs/" + NUL */
+       len = baselen + 2; /* '/' after base and terminating NUL */
        for (cp = ref; (ch = *cp) != 0; cp++, len++)
                if (needs_quote(ch))
                        len += 2; /* extra two hex plus replacement % */
        qref = xmalloc(len);
        memcpy(qref, base, baselen);
-       memcpy(qref + baselen, "/refs/", 6);
-       for (cp = ref, dp = qref + baselen + 6; (ch = *cp) != 0; cp++) {
+       dp = qref + baselen;
+       *(dp++) = '/';
+       for (cp = ref; (ch = *cp) != 0; cp++) {
                if (needs_quote(ch)) {
                        *dp++ = '%';
                        *dp++ = hex((ch >> 4) & 0xF);
@@ -604,7 +594,7 @@ static char *quote_ref_url(const char *base, const char *ref)
        return qref;
 }
 
-int http_fetch_ref(const char *base, const char *ref, unsigned char *sha1)
+int http_fetch_ref(const char *base, struct ref *ref)
 {
        char *url;
        struct strbuf buffer = STRBUF_INIT;
@@ -612,7 +602,7 @@ int http_fetch_ref(const char *base, const char *ref, unsigned char *sha1)
        struct slot_results results;
        int ret;
 
-       url = quote_ref_url(base, ref);
+       url = quote_ref_url(base, ref->name);
        slot = get_active_slot();
        slot->results = &results;
        curl_easy_setopt(slot->curl, CURLOPT_FILE, &buffer);
@@ -624,12 +614,15 @@ int http_fetch_ref(const char *base, const char *ref, unsigned char *sha1)
                if (results.curl_result == CURLE_OK) {
                        strbuf_rtrim(&buffer);
                        if (buffer.len == 40)
-                               ret = get_sha1_hex(buffer.buf, sha1);
-                       else
+                               ret = get_sha1_hex(buffer.buf, ref->old_sha1);
+                       else if (!prefixcmp(buffer.buf, "ref: ")) {
+                               ref->symref = xstrdup(buffer.buf + 5);
+                               ret = 0;
+                       } else
                                ret = 1;
                } else {
                        ret = error("Couldn't get %s for %s\n%s",
-                                   url, ref, curl_errorstr);
+                                   url, ref->name, curl_errorstr);
                }
        } else {
                ret = error("Unable to start request");