Merge pull request #2094 from tweag/cb/drop-old-ghc

Remove GHC versions < 8.10

Author: mergify[bot]

CHANGELOG.md

@@ -8,6 +8,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/).
 
 ### Removed
 
+* GHC versions < 8.10 are no longer supported (see https://github.com/tweag/rules_haskell/issues/2093)
 * remove `compiler_flags` option which was deprecated since 0.14 from macros and rules
 * remove `<name>-repl` aliases for repl targets introduced in 0.7
 * remove deprecated nixpkgs platform aliases introduced in 0.13

haskell/assets/ghc_8_6_5_win_base.patch

@@ -460,15 +460,6 @@ def ghc_bindist(
     toolchain_name = "{}-toolchain".format(name)
 
     patches = None
-    if target == "windows_amd64":
-        # Older GHC versions on Windows contain a bug:
-        # https://gitlab.haskell.org/ghc/ghc/issues/16466
-        # We work around this by patching the base configuration.
-        patches = {
-            "8.6.5": ["@rules_haskell//haskell:assets/ghc_8_6_5_win_base.patch"],
-            "8.8.4": ["@rules_haskell//haskell:assets/ghc_8_8_4_win_base.patch"],
-        }.get(version)
-
     if target == "darwin_amd64":
         patches = {
             # Patch for https://gitlab.haskell.org/ghc/ghc/-/issues/19963

haskell/assets/ghc_8_8_4_win_base.patch

@@ -1,102 +1,4 @@
 {
-    "8.2.2": {
-        "linux_amd64": [
-            "https://downloads.haskell.org/~ghc/8.2.2/ghc-8.2.2-x86_64-deb8-linux.tar.xz",
-            "48e205c62b9dc1ccf6739a4bc15a71e56dde2f891a9d786a1b115f0286111b2a"
-        ],
-        "darwin_amd64": [
-            "https://downloads.haskell.org/~ghc/8.2.2/ghc-8.2.2-x86_64-apple-darwin.tar.xz",
-            "f90fcf62f7e0936a6dfc3601cf663729bfe9bbf85097d2d75f0a16f8c2e95c27"
-        ],
-        "windows_amd64": [
-            "https://downloads.haskell.org/~ghc/8.2.2/ghc-8.2.2-x86_64-unknown-mingw32.tar.xz",
-            "1e033df2092aa546e763e7be63167720b32df64f76673ea1ce7ae7c9f564b223"
-        ]
-    },
-    "8.4.1": {
-        "linux_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.1/ghc-8.4.1-x86_64-deb8-linux.tar.xz",
-            "427c77a934b30c3f1de992c38c072afb4323fe6fb30dbac919ca8cb6ae98fbd9"
-        ],
-        "darwin_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.1/ghc-8.4.1-x86_64-apple-darwin.tar.xz",
-            "d774e39f3a0105843efd06709b214ee332c30203e6c5902dd6ed45e36285f9b7"
-        ],
-        "windows_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.1/ghc-8.4.1-x86_64-unknown-mingw32.tar.xz",
-            "328b013fc651d34e075019107e58bb6c8a578f0155cf3ad4557e6f2661b03131"
-        ]
-    },
-    "8.4.2": {
-        "linux_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.2/ghc-8.4.2-x86_64-deb8-linux.tar.xz",
-            "246f66eb56f4ad0f1c7755502cfc8f9972f2d067dede17e151f6f479c1f76fbd"
-        ],
-        "darwin_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.2/ghc-8.4.2-x86_64-apple-darwin.tar.xz",
-            "87469222042b9ac23f9db216a8d4e5107297bdbbb99df71eb4d9e7208455def2"
-        ],
-        "windows_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.2/ghc-8.4.2-x86_64-unknown-mingw32.tar.xz",
-            "797634aa9812fc6b2084a24ddb4fde44fa83a2f59daea82e0af81ca3dd323fde"
-        ]
-    },
-    "8.4.3": {
-        "linux_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.3/ghc-8.4.3-x86_64-deb8-linux.tar.xz",
-            "30a402c6d4754a6c020e0547f19ae3ac42e907e35349aa932d347f73e421a8e2"
-        ],
-        "darwin_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.3/ghc-8.4.3-x86_64-apple-darwin.tar.xz",
-            "af0b455f6c46b9802b4b48dad996619cfa27cc6e2bf2ce5532387b4a8c00aa64"
-        ],
-        "windows_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.3/ghc-8.4.3-x86_64-unknown-mingw32.tar.xz",
-            "8a83cfbf9ae84de0443c39c93b931693bdf2a6d4bf163ffb41855f80f4bf883e"
-        ]
-    },
-    "8.4.4": {
-        "linux_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.4/ghc-8.4.4-x86_64-deb8-linux.tar.xz",
-            "4c2a8857f76b7f3e34ecba0b51015d5cb8b767fe5377a7ec477abde10705ab1a"
-        ],
-        "darwin_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.4/ghc-8.4.4-x86_64-apple-darwin.tar.xz",
-            "28dc89ebd231335337c656f4c5ead2ae2a1acc166aafe74a14f084393c5ef03a"
-        ],
-        "windows_amd64": [
-            "https://downloads.haskell.org/~ghc/8.4.4/ghc-8.4.4-x86_64-unknown-mingw32.tar.xz",
-            "da29dbb0f1199611c7d5bb7b0dd6a7426ca98f67dfd6da1526b033cd3830dc05"
-        ]
-    },
-    "8.6.5": {
-        "linux_amd64": [
-            "https://downloads.haskell.org/~ghc/8.6.5/ghc-8.6.5-x86_64-deb8-linux.tar.xz",
-            "c419fd0aa9065fe4d2eb9a248e323860c696ddf3859749ca96a84938aee49107"
-        ],
-        "darwin_amd64": [
-            "https://downloads.haskell.org/~ghc/8.6.5/ghc-8.6.5-x86_64-apple-darwin.tar.xz",
-            "dfc1bdb1d303a87a8552aa17f5b080e61351f2823c2b99071ec23d0837422169"
-        ],
-        "windows_amd64": [
-            "https://downloads.haskell.org/~ghc/8.6.5/ghc-8.6.5-x86_64-unknown-mingw32.tar.xz",
-            "457024c6ea43bdce340af428d86319931f267089398b859b00efdfe2fd4ce93f"
-        ]
-    },
-    "8.8.4": {
-        "linux_amd64": [
-            "https://downloads.haskell.org/~ghc/8.8.4/ghc-8.8.4-x86_64-deb8-linux.tar.xz",
-            "51a36892f1264744195274187298d13ac62bce2da86d4ddf76d8054ab90f2feb"
-        ],
-        "darwin_amd64": [
-            "https://downloads.haskell.org/~ghc/8.8.4/ghc-8.8.4-x86_64-apple-darwin.tar.xz",
-            "e80a789e9d8cfb41dd87f3284b75432427c4461c1731d220d04ead8733ccdb5e"
-        ],
-        "windows_amd64": [
-            "https://downloads.haskell.org/~ghc/8.8.4/ghc-8.8.4-x86_64-unknown-mingw32.tar.xz",
-            "d185055d2c8dc3bfe5b88afd59d6877eb1e722b672d1c9649f18296e148ed71f"
-        ]
-    },
     "8.10.3": {
         "linux_amd64": [
             "https://downloads.haskell.org/~ghc/8.10.3/ghc-8.10.3-x86_64-deb9-linux.tar.xz",