imp: pkg: drop support for GHC 8.6 and 8.8

Slightly motivated by a desire to depend on the new breakpoint
library, which requires GHC 8.10+. With GHC 9.0 in Debian,
it seems time to drop these.

.github/workflows/binaries-mac-x64.yml

@@ -18,8 +18,6 @@ jobs:
       fail-fast: false
       matrix:
         plan:
-        # - { ghc: "86"    , stack: "stack --stack-yaml=stack8.6.yaml" }
-        # - { ghc: "88"  , stack: "stack --stack-yaml=stack8.8.yaml" }
         # - { ghc: "810" , stack: "stack --stack-yaml=stack8.10.yaml" }
         # XXX func tests in bin should be run only with GHC 8.10 for now (see shelltest below) (?)
         # - { ghc: "90" , stack: "stack --stack-yaml=stack9.0.yaml" }

.github/workflows/test-linux-x64.yml

@@ -56,9 +56,7 @@ jobs:
       fail-fast: false
       matrix:
         plan:  # at least the check(s) required by master should be enabled
-        - { ghc: "86"  , stack: "stack --stack-yaml=stack8.6.yaml" }  # oldest supported ghc
+        - { ghc: "810", stack: "stack --stack-yaml=stack8.10.yaml" }  # oldest supported ghc
-        # - { ghc: "88" , stack: "stack --stack-yaml=stack8.8.yaml" }
-        # - { ghc: "810", stack: "stack --stack-yaml=stack8.10.yaml" }
         # - { ghc: "90" , stack: "stack --stack-yaml=stack.yaml" }
         # - { ghc: "92" , stack: "stack --stack-yaml=stack9.2.yaml" }  # newest supported ghc
 

hledger-lib/package.yaml

@@ -21,7 +21,7 @@ github: simonmichael/hledger
 homepage: http://hledger.org
 bug-reports: http://bugs.hledger.org
 stability: stable
-tested-with: GHC==8.6.5, GHC==8.8.4, GHC==8.10.4, GHC==9.0.1
+tested-with: GHC==8.10.7, GHC==9.0.2, GHC==9.2.4
 
 extra-source-files:
 - CHANGES.md
@@ -32,7 +32,7 @@ extra-source-files:
 #data-files:
 
 dependencies:
-- base >=4.11 && <4.17
+- base >=4.14 && <4.17
 - aeson >=1
 - aeson-pretty
 - ansi-terminal >=0.9

hledger-ui/package.yaml

@@ -21,7 +21,7 @@ github      : simonmichael/hledger
 homepage    : http://hledger.org
 bug-reports : http://bugs.hledger.org
 stability   : stable
-tested-with: GHC==8.6.5, GHC==8.8.4, GHC==8.10.4, GHC==9.0.1
+tested-with: GHC==8.10.7, GHC==9.0.2, GHC==9.2.4
 
 extra-source-files:
   - CHANGES.md
@@ -50,11 +50,11 @@ ghc-options:
 - -Wno-unused-do-bind
 
 dependencies:
+- base >=4.14 && <4.17
 - hledger-lib >=1.26.99 && <1.27
 - hledger >=1.26.99 && <1.27
 - ansi-terminal >=0.9
 - async
-- base >=4.11 && <4.17
 - cmdargs >=0.8
 - containers >=0.5.9
 - data-default

hledger-web/package.yaml

@@ -22,7 +22,7 @@ github: simonmichael/hledger
 homepage: http://hledger.org
 bug-reports: http://bugs.hledger.org
 stability: stable
-tested-with: GHC==8.8.4, GHC==8.10.4, GHC==9.0.1
+tested-with: GHC==8.10.7, GHC==9.0.2, GHC==9.2.4
 
 extra-source-files:
 - CHANGES.md
@@ -99,10 +99,10 @@ library:
   - Hledger.Web.Widget.AddForm
   - Hledger.Web.Widget.Common
   dependencies:
+  - base >=4.14 && <4.17
   - hledger-lib >=1.26.99 && <1.27
   - hledger >=1.26.99 && <1.27
   - aeson >=1
-  - base >=4.11 && <4.17
   - base64
   - blaze-html
   - blaze-markup

hledger/package.yaml

@@ -21,7 +21,7 @@ github: simonmichael/hledger
 homepage: http://hledger.org
 bug-reports: http://bugs.hledger.org
 stability: stable
-tested-with: GHC==8.6.5, GHC==8.8.4, GHC==8.10.4, GHC==9.0.1
+tested-with: GHC==8.10.7, GHC==9.0.2, GHC==9.2.4
 
 extra-source-files:
 - CHANGES.md
@@ -97,10 +97,10 @@ ghc-options:
 - -optP-Wno-nonportable-include-path
 
 dependencies:
+- base >=4.14 && <4.17
 - hledger-lib >=1.26.99 && <1.27
 - aeson >=1
 - ansi-terminal >=0.9
-- base >=4.11 && <4.17
 - bytestring
 - cmdargs >=0.10
 - containers >=0.5.9

stack8.6.yaml

@@ -1,57 +0,0 @@
-# stack build plan using GHC 8.6.5
-
-nix:
-  pure: false
-  packages: [perl gmp ncurses zlib]
-
-resolver: lts-14.27
-
-packages:
-- hledger-lib
-- hledger
-- hledger-ui
-- hledger-web
-
-extra-deps:
-# for Shake.hs (regex doesn't support base-compat-0.11):
-- regex-1.0.2.0@rev:1
-- doclayout-0.3.1.1
-- emojis-0.1.2
-# for testing base-compat 0.11 compatibility (mutually exclusive with the above):
-# - aeson-1.4.6.0
-# - aeson-compat-0.3.9
-# - attoparsec-iso8601-1.0.1.0
-# - base-compat-batteries-0.11.0
-# - base-compat-0.11.0
-# - http-api-data-0.4.1.1
-# for hledger-lib:
-- pretty-simple-4.0.0.0
-- prettyprinter-1.7.0
-- prettyprinter-ansi-terminal-1.1.2
-- doctest-0.18.1
-- safe-0.3.19
-# for hledger:
-- githash-0.1.6.2
-- th-compat-0.1.4
-# for hledger-ui:
-- brick-1.0
-- bimap-0.5.0
-- text-zipper-0.12
-- vty-5.36
-- ansi-terminal-0.10.3
-# for hledger-web:
-- ghc-byteorder-4.11.0.0.10
-- base64-0.4.2.3
-
-# Workaround for https://github.com/commercialhaskell/stack/issues/3922
-# Try dropping this.. after stack 2 has been out a while ? Or now ? How about now ?
-#- haskell-src-exts-1.21.0
-
-# Use at least 0.46 to work around https://github.com/simonmichael/hledger/issues/1039
-# (hledger-web build failure with GHC 8.6 on Windows 7)
-# Might also be fixed by using GHC 8.6.5+, mixed reports
-#- unix-time-0.4.6
-
-- wai-handler-launch-3.0.3.1
-# - streaming-commons-0.2.1.2
-# - network-2.7.0.0

stack8.8.yaml

@@ -1,48 +0,0 @@
-# stack build plan using GHC 8.8.4
-
-nix:
-  pure: false
-  packages: [perl gmp ncurses zlib]
-
-resolver: lts-16.31
-
-packages:
-- hledger-lib
-- hledger
-- hledger-ui
-- hledger-web
-
-extra-deps:
-# for hledger-lib:
-- pretty-simple-4.0.0.0
-- prettyprinter-1.7.0
-- doctest-0.18.1
-- doclayout-0.3.1.1
-- emojis-0.1.2
-# for hledger:
-- githash-0.1.6.2
-- th-compat-0.1.4
-# for hledger-ui:
-- brick-1.0
-- bimap-0.5.0
-- text-zipper-0.12
-- vty-5.36
-# for hledger-web:
-- ghc-byteorder-4.11.0.0.10
-# for Shake.hs:
-
-# for precise profiling, per https://www.tweag.io/posts/2020-01-30-haskell-profiling.html:
-# apply-ghc-options: everything
-# rebuild-ghc-options: true
-# stack build --profile --ghc-options="-fno-prof-auto"
-
-# tell GHC to write hie files, eg for weeder. Rumoured to be slow.
-# ghc-options:
-#   "$locals": -fwrite-ide-info
-
-# ghc-options:
-#   "$locals": -ddump-timings
-#  "$targets": -Werror
-#  "$everything": -O2
-#  some-package: -DSOME_CPP_FLAG
-