Remove libtinfo compat symlinks

https://github.com/vmchale/libarchive/issues/14
https://github.com/libarchive/libarchive/issues/1381

.gitlab-ci.yml

@@ -97,7 +97,7 @@ variables:
 test:linux:recommended:
   extends: .test_ghcup_version:linux
   variables:
-    GHC_VERSION: "8.8.3"
+    GHC_VERSION: "8.8.4"
     CABAL_VERSION: "3.2.0.0"
 
 test:linux:latest:
@@ -113,7 +113,7 @@ test:linux:latest:
 test:mac:recommended:
   extends: .test_ghcup_version:darwin
   variables:
-    GHC_VERSION: "8.8.3"
+    GHC_VERSION: "8.8.4"
     CABAL_VERSION: "3.2.0.0"
 
 test:mac:latest:
@@ -129,7 +129,7 @@ test:mac:latest:
 test:freebsd:recommended:
   extends: .test_ghcup_version:freebsd
   variables:
-    GHC_VERSION: "8.8.3"
+    GHC_VERSION: "8.8.4"
     CABAL_VERSION: "3.2.0.0"
 
 test:freebsd:latest:
@@ -150,7 +150,7 @@ release:linux:64bit:
     - ./.gitlab/before_script/linux/alpine/install_deps.sh
   variables:
     ARTIFACT: "x86_64-linux-ghcup"
-    GHC_VERSION: "8.8.3"
+    GHC_VERSION: "8.8.4"
     CABAL_VERSION: "3.2.0.0"
 
 
@@ -162,7 +162,7 @@ release:linux:32bit:
     - ./.gitlab/before_script/linux/alpine/install_deps.sh
   variables:
     ARTIFACT: "i386-linux-ghcup"
-    GHC_VERSION: "8.8.3"
+    GHC_VERSION: "8.8.4"
     CABAL_VERSION: "3.2.0.0"
 
 

.gitlab/before_script/linux/alpine/install_deps.sh

@@ -18,10 +18,6 @@ apk add --no-cache \
 	tar \
 	perl
 
-ln -sf libncurses.so /usr/lib/libtinfo.so
-ln -sf libncursesw.so.6 /usr/lib/libtinfow.so.6
-ln -sf libtinfow.so.6 /usr/lib/libtinfow.so
-
 if [ "${BIT}" = "32" ] ; then
 	curl -sSfL https://downloads.haskell.org/ghcup/i386-linux-ghcup > ./ghcup-bin
 else
@@ -49,5 +45,3 @@ apk add --no-cache \
 	xz-dev \
 	ncurses-static
 
-ln -sf libncursesw.a /usr/lib/libtinfow.a
-

3rdparty/libarchive/c/archive_write_disk_posix.c

@@ -546,6 +546,7 @@ _archive_write_disk_header(struct archive *_a, struct archive_entry *entry)
 {
 	struct archive_write_disk *a = (struct archive_write_disk *)_a;
 	struct fixup_entry *fe;
+	const char *linkname;
 	int ret, r;
 
 	archive_check_magic(&a->archive, ARCHIVE_WRITE_DISK_MAGIC,
@@ -590,6 +591,17 @@ _archive_write_disk_header(struct archive *_a, struct archive_entry *entry)
 	if (ret != ARCHIVE_OK)
 		return (ret);
 
+	/*
+	 * Check if we have a hardlink that points to itself.
+	 */
+	linkname = archive_entry_hardlink(a->entry);
+	if (linkname != NULL && strcmp(a->name, linkname) == 0) {
+		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
+		    "Skipping hardlink pointing to itself: %s",
+		    a->name);
+		return (ARCHIVE_WARN);
+	}
+
 	/*
 	 * Query the umask so we get predictable mode settings.
 	 * This gets done on every call to _write_header in case the

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Revision history for ghcup
 
+## 0.1.7 -- 2020-07-20
+
+* Fix a bug in libarchive not unpacking some uncleanly packed bindists
+* Improved fish support in bootstrap-haskell
+* Only check for upgrades when not upgrading
+* Fix platform detection for i386 docker images
+* Improve alpine support
+  - more/proper bindists
+  - don't fall back to glibc based bindists
+  - install bindists with `--disable-ld-override` to avoid ld.gold bugs
+
 ## 0.1.6 -- 2020-07-13
 
 * Create a new curses (brick) based TUI, accessible via `ghcup tui` #24

bootstrap-haskell

@@ -28,7 +28,7 @@ eghcup() {
 download_ghcup() {
 	_plat="$(uname -s)"
 	_arch=$(uname -m)
-	_ghver="0.1.6"
+	_ghver="0.1.7"
 	_base_url="https://downloads.haskell.org/~ghcup"
 
     case "${_plat}" in

ghcup-0.0.2.json

@@ -214,7 +214,7 @@
           "A_64": {
             "Linux_Alpine": {
               "unknown_versioning": {
-                "dlHash": "325b48b2ea199b4f62c16dc9c3ff99b42ea6bb1dde5a74fa640dfeb8d63894d0",
+                "dlHash": "517783b660a27ebf95b2568d47292fd633d5f9a4de4c80ad1ccf05e1b9d7313f",
                 "dlSubdir": "ghc-8.0.2",
                 "dlUri": "https://files.hasufell.de/ghc/ghc-8.0.2-x86_64-alpine-linux.tar.xz"
               }
@@ -744,6 +744,13 @@
             }
           },
           "A_32": {
+            "Linux_Alpine": {
+              "unknown_versioning": {
+                "dlHash": "7360cc6b29e9b4ab08f6ea5bc3bcca6f5c216933e81ef1620dcdd700f1fdb289",
+                "dlSubdir": "ghc-8.10.1",
+                "dlUri": "https://files.hasufell.de/ghc/ghc-8.10.1-i386-alpine-linux.tar.xz"
+              }
+            },
             "Linux_Debian": {
               "unknown_versioning": {
                 "dlHash": "8b53eef2c827b5f634d72920a93c0c9dd66ea288691a2bfe28def45d3c686ee2",
@@ -887,6 +894,13 @@
             }
           },
           "A_32": {
+            "Linux_Alpine": {
+              "unknown_versioning": {
+                "dlHash": "3737837550d9b177acfe150e3a3cd4545427ded020487c2ed5194d7b8f116349",
+                "dlSubdir": "ghc-8.6.5",
+                "dlUri": "https://files.hasufell.de/ghc/ghc-8.6.5-i386-alpine-linux.tar.xz"
+              }
+            },
             "Linux_Debian": {
               "unknown_versioning": {
                 "dlHash": "1cddb907393a669342b1a922dd16d505d9d93d50bd9433a54a8162f8701250dc",
@@ -1256,6 +1270,13 @@
             }
           },
           "A_32": {
+            "Linux_Alpine": {
+              "unknown_versioning": {
+                "dlHash": "1d18e89ee031197e55c48683e78a7ffc67601ac5fd9f73aac555eb064b3859a2",
+                "dlSubdir": "ghc-8.8.4",
+                "dlUri": "https://files.hasufell.de/ghc/ghc-8.8.4-i386-alpine-linux.tar.xz"
+              }
+            },
             "Linux_Debian": {
               "unknown_versioning": {
                 "dlHash": "43dd954910c9027694312cef0aabc7774d102d0422b7172802cfb72f7d5da3a0",
@@ -1293,6 +1314,7 @@
         },
         "viChangeLog": "https://downloads.haskell.org/~ghc/8.8.4/docs/html/users_guide/8.8.4-notes.html",
         "viTags": [
+          "Recommended",
           "base-4.13.0.0"
         ]
       },
@@ -1755,6 +1777,13 @@
       "8.2.2": {
         "viArch": {
           "A_64": {
+            "Linux_Alpine": {
+              "unknown_versioning": {
+                "dlHash": "adcf3a320a3c402aba07ae9586990dc3c0b550e96aeffb1b9e194313d3ba716d",
+                "dlSubdir": "ghc-8.2.2",
+                "dlUri": "https://files.hasufell.de/ghc/ghc-8.2.2-x86_64-alpine-linux.tar.xz"
+              }
+            },
             "FreeBSD": {
               "unknown_versioning": {
                 "dlHash": "cd351c704b92b9af23994024df07de8ca7090ea7675d5c8b14b2be857a46d804",
@@ -1956,6 +1985,13 @@
             }
           },
           "A_32": {
+            "Linux_Alpine": {
+              "unknown_versioning": {
+                "dlHash": "892888d388ef5c9cadf5cfba1146d62237c25b9b066fb62fee940b2b285fd308",
+                "dlSubdir": "ghc-8.4.4",
+                "dlUri": "https://files.hasufell.de/ghc/ghc-8.4.4-i386-alpine-linux.tar.xz"
+              }
+            },
             "Linux_Debian": {
               "unknown_versioning": {
                 "dlHash": "678bafaabea6af70ba71ccf0210bb437f9f5591ec28ac1cbbbd5f7aa6894e450",
@@ -2123,7 +2159,6 @@
         },
         "viChangeLog": "https://downloads.haskell.org/~ghc/8.8.3/docs/html/users_guide/8.8.3-notes.html",
         "viTags": [
-          "Recommended",
           "base-4.13.0.0"
         ]
       }
@@ -2298,37 +2333,37 @@
       }
     },
     "GHCup": {
-      "0.1.6": {
+      "0.1.7": {
         "viArch": {
           "A_64": {
             "FreeBSD": {
               "unknown_versioning": {
-                "dlHash": "6bbfb1047691ff3ae9249e8805cf9f37bab30a008dae130cb2a4b3aa5253e6e5",
+                "dlHash": "54b9b6f98908f6679dda6db025b4047dfe82e6b57ae82c547a9d611b9e4ff105",
                 "dlSubdir": null,
-                "dlUri": "https://downloads.haskell.org/~ghcup/0.1.6/x86_64-portbld-freebsd-ghcup-0.1.6"
+                "dlUri": "https://downloads.haskell.org/~ghcup/0.1.7/x86_64-portbld-freebsd-ghcup-0.1.7"
               }
             },
             "Darwin": {
               "unknown_versioning": {
-                "dlHash": "1e025e66d7f7b75d94f17a7da6120efd7e2df918a8eac88c4711ed11d2aac4ec",
+                "dlHash": "00b2c04755d2b40e568afbfc2a485c36697fc55f210eae0d4cd80413c71032ed",
                 "dlSubdir": null,
-                "dlUri": "https://downloads.haskell.org/~ghcup/0.1.6/x86_64-apple-darwin-ghcup-0.1.6"
+                "dlUri": "https://downloads.haskell.org/~ghcup/0.1.7/x86_64-apple-darwin-ghcup-0.1.7"
               }
             },
             "Linux_UnknownLinux": {
               "unknown_versioning": {
-                "dlHash": "bdbec0cdf4c8511c4082dd83993d15034c0fbcb5722ecf418c1cee40667da8af",
+                "dlHash": "a1d1e8b3c2b00186957c927d09f2cfb457bbfa65c1ab562ff5683963e205bdd5",
                 "dlSubdir": null,
-                "dlUri": "https://downloads.haskell.org/~ghcup/0.1.6/x86_64-linux-ghcup-0.1.6"
+                "dlUri": "https://downloads.haskell.org/~ghcup/0.1.7/x86_64-linux-ghcup-0.1.7"
               }
             }
           },
           "A_32": {
             "Linux_UnknownLinux": {
               "unknown_versioning": {
-                "dlHash": "0366ed6c00862c3c002cdefc3e37523ad80e655387956c7ab58b268aaa6fae5d",
+                "dlHash": "1651cc196e4fdd18995054edebe109833535961f0e2b0d505f1714e83f3e8808",
                 "dlSubdir": null,
-                "dlUri": "https://downloads.haskell.org/~ghcup/0.1.6/i386-linux-ghcup-0.1.6"
+                "dlUri": "https://downloads.haskell.org/~ghcup/0.1.7/i386-linux-ghcup-0.1.7"
               }
             }
           }

ghcup.cabal

@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               ghcup
-version:            0.1.6
+version:            0.1.7
 synopsis:           ghc toolchain installer as an exe/library
 description:
   A rewrite of the shell script ghcup, for providing

lib/GHCup.hs

@@ -137,13 +137,18 @@ installGHCBin bDls ver pfreq@(PlatformRequest {..}) = do
     lift $ $(logInfo) "Installing GHC (this may take a while)"
     lEM $ execLogged "./configure"
                               False
-                              ["--prefix=" <> toFilePath inst]
+                              (["--prefix=" <> toFilePath inst] ++ alpineArgs)
                               [rel|ghc-configure|]
                               (Just path)
                               Nothing
     lEM $ make ["install"] (Just path)
     pure ()
 
+  alpineArgs
+    | ver >= [vver|8.2.2|]
+    , Linux Alpine <- _rPlatform = ["--disable-ld-override"]
+    | otherwise = []
+
 
 installCabalBin :: ( MonadMask m
                    , MonadCatch m

lib/GHCup/Data/GHCupDownloads.hs

@@ -110,7 +110,7 @@ ghc_802_64_alpine :: DownloadInfo
 ghc_802_64_alpine = DownloadInfo
   [uri|https://files.hasufell.de/ghc/ghc-8.0.2-x86_64-alpine-linux.tar.xz|]
   (Just [rel|ghc-8.0.2|])
-  "325b48b2ea199b4f62c16dc9c3ff99b42ea6bb1dde5a74fa640dfeb8d63894d0"
+  "517783b660a27ebf95b2568d47292fd633d5f9a4de4c80ad1ccf05e1b9d7313f"
 
 ghc_802_32_alpine :: DownloadInfo
 ghc_802_32_alpine = DownloadInfo
@@ -180,6 +180,13 @@ ghc_822_32_alpine = DownloadInfo
   (Just [rel|ghc-8.2.2|])
   "467534c32552cfd318753112dbc70af003693aad4b0081f2a07e61f5b5ea2c22"
 
+ghc_822_64_alpine :: DownloadInfo
+ghc_822_64_alpine = DownloadInfo
+  [uri|https://files.hasufell.de/ghc/ghc-8.2.2-x86_64-alpine-linux.tar.xz|]
+  (Just [rel|ghc-8.2.2|])
+  "adcf3a320a3c402aba07ae9586990dc3c0b550e96aeffb1b9e194313d3ba716d"
+
+
 
 
     -----------------
@@ -352,6 +359,11 @@ ghc_844_64_freebsd = DownloadInfo
   (Just [rel|ghc-8.4.4|])
   "44fbd142d1c355d6110595c59c760e2c73866ff9259ec85ebf814edb244d1940"
 
+ghc_844_32_alpine :: DownloadInfo
+ghc_844_32_alpine = DownloadInfo
+  [uri|https://files.hasufell.de/ghc/ghc-8.4.4-i386-alpine-linux.tar.xz|]
+  (Just [rel|ghc-8.4.4|])
+  "892888d388ef5c9cadf5cfba1146d62237c25b9b066fb62fee940b2b285fd308"
 
 
 
@@ -569,6 +581,12 @@ ghc_865_64_alpine = DownloadInfo
   (Just [rel|ghc-8.6.5|])
   "b9d3ed7f7aa24ef2d58bb579252289caa0b8877adee3685e3af2fb73d440afdc"
 
+ghc_865_32_alpine :: DownloadInfo
+ghc_865_32_alpine = DownloadInfo
+  [uri|https://files.hasufell.de/ghc/ghc-8.6.5-i386-alpine-linux.tar.xz|]
+  (Just [rel|ghc-8.6.5|])
+  "3737837550d9b177acfe150e3a3cd4545427ded020487c2ed5194d7b8f116349"
+
 ghc_865_64_freebsd :: DownloadInfo
 ghc_865_64_freebsd = DownloadInfo
   [uri|https://files.hasufell.de/ghc/ghc-8.6.5-x86_64-portbld-freebsd.tar.xz|]
@@ -771,6 +789,13 @@ ghc_884_64_alpine = DownloadInfo
   (Just [rel|ghc-8.8.4|])
   "90c6a1661de7f20c7d169cd6270125035b3332063e45103ce028df0beecf434e"
 
+ghc_884_32_alpine :: DownloadInfo
+ghc_884_32_alpine = DownloadInfo
+  [uri|https://files.hasufell.de/ghc/ghc-8.8.4-i386-alpine-linux.tar.xz|]
+  (Just [rel|ghc-8.8.4|])
+  "1d18e89ee031197e55c48683e78a7ffc67601ac5fd9f73aac555eb064b3859a2"
+
+
 
 
     -----------------
@@ -827,6 +852,11 @@ ghc_8101_64_alpine = DownloadInfo
   (Just [rel|ghc-8.10.1-x86_64-unknown-linux|])
   "cb13b645d103e2fba2eb8dfcc4e5f2fbd9550c00c4df42f342b4210436dcb8a8"
 
+ghc_8101_32_alpine :: DownloadInfo
+ghc_8101_32_alpine = DownloadInfo
+  [uri|https://files.hasufell.de/ghc/ghc-8.10.1-i386-alpine-linux.tar.xz|]
+  (Just [rel|ghc-8.10.1|])
+  "7360cc6b29e9b4ab08f6ea5bc3bcca6f5c216933e81ef1620dcdd700f1fdb289"
 
 ghc_8101_64_freebsd :: DownloadInfo
 ghc_8101_64_freebsd = DownloadInfo
@@ -966,32 +996,32 @@ cabal_3200_64_alpine = DownloadInfo
     -------------
 
 
-ghcup_016_32_linux :: DownloadInfo
+ghcup_017_32_linux :: DownloadInfo
-ghcup_016_32_linux = DownloadInfo
+ghcup_017_32_linux = DownloadInfo
-  [uri|https://downloads.haskell.org/~ghcup/0.1.6/i386-linux-ghcup-0.1.6|]
+  [uri|https://downloads.haskell.org/~ghcup/0.1.7/i386-linux-ghcup-0.1.7|]
   Nothing
-  "0366ed6c00862c3c002cdefc3e37523ad80e655387956c7ab58b268aaa6fae5d"
+  "1651cc196e4fdd18995054edebe109833535961f0e2b0d505f1714e83f3e8808"
 
 
-ghcup_016_64_linux :: DownloadInfo
+ghcup_017_64_linux :: DownloadInfo
-ghcup_016_64_linux = DownloadInfo
+ghcup_017_64_linux = DownloadInfo
-  [uri|https://downloads.haskell.org/~ghcup/0.1.6/x86_64-linux-ghcup-0.1.6|]
+  [uri|https://downloads.haskell.org/~ghcup/0.1.7/x86_64-linux-ghcup-0.1.7|]
   Nothing
-  "bdbec0cdf4c8511c4082dd83993d15034c0fbcb5722ecf418c1cee40667da8af"
+  "a1d1e8b3c2b00186957c927d09f2cfb457bbfa65c1ab562ff5683963e205bdd5"
 
 
-ghcup_016_64_freebsd :: DownloadInfo
+ghcup_017_64_freebsd :: DownloadInfo
-ghcup_016_64_freebsd = DownloadInfo
+ghcup_017_64_freebsd = DownloadInfo
-  [uri|https://downloads.haskell.org/~ghcup/0.1.6/x86_64-portbld-freebsd-ghcup-0.1.6|]
+  [uri|https://downloads.haskell.org/~ghcup/0.1.7/x86_64-portbld-freebsd-ghcup-0.1.7|]
   Nothing
-  "6bbfb1047691ff3ae9249e8805cf9f37bab30a008dae130cb2a4b3aa5253e6e5"
+  "54b9b6f98908f6679dda6db025b4047dfe82e6b57ae82c547a9d611b9e4ff105"
 
 
-ghcup_016_64_darwin10_13 :: DownloadInfo
+ghcup_017_64_darwin10_13 :: DownloadInfo
-ghcup_016_64_darwin10_13 = DownloadInfo
+ghcup_017_64_darwin10_13 = DownloadInfo
-  [uri|https://downloads.haskell.org/~ghcup/0.1.6/x86_64-apple-darwin-ghcup-0.1.6|]
+  [uri|https://downloads.haskell.org/~ghcup/0.1.7/x86_64-apple-darwin-ghcup-0.1.7|]
   Nothing
-  "1e025e66d7f7b75d94f17a7da6120efd7e2df918a8eac88c4711ed11d2aac4ec"
+  "00b2c04755d2b40e568afbfc2a485c36697fc55f210eae0d4cd80413c71032ed"
 
 
 
@@ -1130,6 +1160,7 @@ ghcupDownloads = M.fromList
                       , (Just [vers|11|], ghc_822_64_freebsd11)
                       ]
                     )
+                  , (Linux Alpine , M.fromList [(Nothing, ghc_822_64_alpine)])
                   ]
                 )
               , ( A_32
@@ -1331,6 +1362,7 @@ ghcupDownloads = M.fromList
                   , (Linux Ubuntu, M.fromList [(Nothing, ghc_844_32_deb8)])
                   , (Linux Mint  , M.fromList [(Nothing, ghc_844_32_deb8)])
                   , (Linux Debian, M.fromList [(Nothing, ghc_844_32_deb8)])
+                  , (Linux Alpine, M.fromList [(Nothing, ghc_844_32_alpine)])
                   ]
                 )
               ]
@@ -1575,6 +1607,7 @@ ghcupDownloads = M.fromList
                   , (Linux Ubuntu, M.fromList [(Nothing, ghc_865_32_deb9)])
                   , (Linux Mint  , M.fromList [(Nothing, ghc_865_32_deb9)])
                   , (Linux Debian, M.fromList [(Nothing, ghc_865_32_deb9)])
+                  , (Linux Alpine, M.fromList [(Nothing, ghc_865_32_alpine)])
                   ]
                 )
               ]
@@ -1685,7 +1718,7 @@ ghcupDownloads = M.fromList
         )
       , ( [vver|8.8.3|]
         , VersionInfo
-            [Recommended, Base [pver|4.13.0.0|]]
+            [Base [pver|4.13.0.0|]]
             (Just
               [uri|https://downloads.haskell.org/~ghc/8.8.3/docs/html/users_guide/8.8.3-notes.html|]
             )
@@ -1738,7 +1771,7 @@ ghcupDownloads = M.fromList
         )
       , ( [vver|8.8.4|]
         , VersionInfo
-            [Base [pver|4.13.0.0|]]
+            [Recommended, Base [pver|4.13.0.0|]]
             (Just
               [uri|https://downloads.haskell.org/~ghc/8.8.4/docs/html/users_guide/8.8.4-notes.html|]
             )
@@ -1786,6 +1819,7 @@ ghcupDownloads = M.fromList
                   , (Linux Ubuntu, M.fromList [(Nothing, ghc_884_32_deb9)])
                   , (Linux Mint  , M.fromList [(Nothing, ghc_884_32_deb9)])
                   , (Linux Debian, M.fromList [(Nothing, ghc_884_32_deb9)])
+                  , (Linux Alpine, M.fromList [(Nothing, ghc_884_32_alpine)])
                   ]
                 )
               ]
@@ -1856,6 +1890,7 @@ ghcupDownloads = M.fromList
                       , (Just [vers|9|], ghc_8101_32_deb9)
                       ]
                     )
+                  , (Linux Alpine, M.fromList [(Nothing, ghc_8101_32_alpine)])
                   ]
                 )
               ]
@@ -1963,7 +1998,7 @@ ghcupDownloads = M.fromList
     )
   , ( GHCup
     , M.fromList
-      [ ( [vver|0.1.6|]
+      [ ( [vver|0.1.7|]
         , VersionInfo
             [Recommended, Latest]
             (Just
@@ -1974,16 +2009,16 @@ ghcupDownloads = M.fromList
               [ ( A_64
                 , M.fromList
                   [ ( Linux UnknownLinux
-                    , M.fromList [(Nothing, ghcup_016_64_linux)]
+                    , M.fromList [(Nothing, ghcup_017_64_linux)]
                     )
-                  , (Darwin , M.fromList [(Nothing, ghcup_016_64_darwin10_13)])
+                  , (Darwin , M.fromList [(Nothing, ghcup_017_64_darwin10_13)])
-                  , (FreeBSD, M.fromList [(Nothing, ghcup_016_64_freebsd)])
+                  , (FreeBSD, M.fromList [(Nothing, ghcup_017_64_freebsd)])
                   ]
                 )
               , ( A_32
                 , M.fromList
                   [ ( Linux UnknownLinux
-                    , M.fromList [(Nothing, ghcup_016_32_linux)]
+                    , M.fromList [(Nothing, ghcup_017_32_linux)]
                     )
                   ]
                 )

lib/GHCup/Download.hs

@@ -270,7 +270,10 @@ getDownloadInfo :: Tool
 getDownloadInfo t v (PlatformRequest a p mv) dls = maybe
   (Left NoDownload)
   Right
-  (with_distro <|> without_distro_ver <|> without_distro)
+  (case p of
+    -- non-musl won't work on alpine
+    Linux Alpine -> with_distro <|> without_distro_ver
+    _ -> with_distro <|> without_distro_ver <|> without_distro)
 
  where
   with_distro        = distro_preview id id

lib/GHCup/Version.hs

@@ -16,7 +16,7 @@ ghcupURL :: URI
 ghcupURL = [uri|https://www.haskell.org/ghcup/data/ghcup-0.0.2.json|]
 
 ghcUpVer :: PVP
-ghcUpVer = [pver|0.1.6|]
+ghcUpVer = [pver|0.1.7|]
 
 numericVer :: String
 numericVer = T.unpack . prettyPVP $ ghcUpVer