gnu: curl: Absorb replacement.

* gnu/packages/patches/curl-7.76-use-ssl-cert-env.patch: Delete file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/curl.scm (curl): Update to 7.77.0.
[replacement]: Remove.
(source)[patches]: Adjust for new patch.

gnu/local.mk

@@ -930,8 +930,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/crda-optional-gcrypt.patch		\
   %D%/packages/patches/clucene-contribs-lib.patch               \
   %D%/packages/patches/cube-nocheck.patch			\
-  %D%/packages/patches/curl-use-ssl-cert-env.patch		\
-  %D%/packages/patches/curl-7.76-use-ssl-cert-env.patch	\
+  %D%/packages/patches/curl-use-ssl-cert-env.patch	\
   %D%/packages/patches/cursynth-wave-rand.patch			\
   %D%/packages/patches/cvs-CVE-2017-12836.patch		\
   %D%/packages/patches/cyrus-sasl-ac-try-run-fix.patch		\

gnu/packages/curl.scm

@@ -53,15 +53,14 @@
 (define-public curl
   (package
    (name "curl")
-   (replacement curl-7.77.0)
-   (version "7.76.1")
+   (version "7.77.0")
    (source (origin
              (method url-fetch)
              (uri (string-append "https://curl.haxx.se/download/curl-"
                                  version ".tar.xz"))
              (sha256
               (base32
-               "0icicyg8bk1471955p62lsgvn71f0pck0zh7gp04024zqf455fv4"))
+               "0jsrc97vbghvljic997r9nypc9qqddcil2lzvv032br8ahn5hr0g"))
              (patches (search-patches "curl-use-ssl-cert-env.patch"))))
    (build-system gnu-build-system)
    (outputs '("out"
@@ -146,20 +145,6 @@ tunneling, and so on.")
 (define-public curl-minimal
   (deprecated-package "curl-minimal" curl))
 
-(define-public curl-7.77.0
-  (package
-    (inherit curl)
-    (version "7.77.0")
-    (source
-     (origin
-       (inherit (package-source curl))
-       (uri (string-append "https://curl.haxx.se/download/curl-"
-                           version ".tar.xz"))
-       (patches (search-patches "curl-7.76-use-ssl-cert-env.patch"))
-       (sha256
-        (base32
-         "0jsrc97vbghvljic997r9nypc9qqddcil2lzvv032br8ahn5hr0g"))))))
-
 (define-public kurly
   (package
     (name "kurly")

gnu/packages/patches/curl-7.76-use-ssl-cert-env.patch

@@ -1,64 +0,0 @@
-Make libcurl respect the SSL_CERT_{DIR,FILE} variables by default. The variables
-are fetched during initialization to preserve thread-safety (curl_global_init(3)
-must be called when no other threads exist).
-
-This fixes network functionality in rust:cargo, and probably removes the need
-for other future workarounds.
-===================================================================
---- curl-7.66.0.orig/lib/easy.c	2020-01-02 15:43:11.883921171 +0100
-+++ curl-7.66.0/lib/easy.c	2020-01-02 16:18:54.691882797 +0100
-@@ -134,6 +134,9 @@
- #  pragma warning(default:4232) /* MSVC extension, dllimport identity */
- #endif
- 
-+char * Curl_ssl_cert_dir = NULL;
-+char * Curl_ssl_cert_file = NULL;
-+
- /**
-  * curl_global_init() globally initializes curl given a bitwise set of the
-  * different features of what to initialize.
-@@ -155,6 +158,9 @@
- #endif
-   }
- 
-+  Curl_ssl_cert_dir = curl_getenv("SSL_CERT_DIR");
-+  Curl_ssl_cert_file = curl_getenv("SSL_CERT_FILE");
-+
-   if(!Curl_ssl_init()) {
-     DEBUGF(fprintf(stderr, "Error: Curl_ssl_init failed\n"));
-     return CURLE_FAILED_INIT;
-@@ -260,6 +266,9 @@
-   Curl_ssl_cleanup();
-   Curl_resolver_global_cleanup();
- 
-+  free(Curl_ssl_cert_dir);
-+  free(Curl_ssl_cert_file);
-+
- #ifdef WIN32
-   Curl_win32_cleanup(init_flags);
- #endif
-diff -ur curl-7.66.0.orig/lib/url.c curl-7.66.0/lib/url.c
---- curl-7.66.0.orig/lib/url.c	2020-01-02 15:43:11.883921171 +0100
-+++ curl-7.66.0/lib/url.c	2020-01-02 16:21:11.563880346 +0100
-@@ -524,6 +524,21 @@
-     if(result)
-       return result;
- #endif
-+    extern char * Curl_ssl_cert_dir;
-+    extern char * Curl_ssl_cert_file;
-+    if(Curl_ssl_cert_dir) {
-+        if(result = Curl_setstropt(&set->str[STRING_SSL_CAPATH], Curl_ssl_cert_dir))
-+            return result;
-+        if(result = Curl_setstropt(&set->str[STRING_SSL_CAPATH_PROXY], Curl_ssl_cert_dir))
-+            return result;
-+    }
-+
-+    if(Curl_ssl_cert_file) {
-+        if(result = Curl_setstropt(&set->str[STRING_SSL_CAFILE], Curl_ssl_cert_file))
-+            return result;
-+        if(result = Curl_setstropt(&set->str[STRING_SSL_CAFILE_PROXY], Curl_ssl_cert_file))
-+            return result;
-+    }
-   }
- 
-   set->wildcard_enabled = FALSE;