[latex3-commits] [git/LaTeX3-latex3-l3build] regenerate: Summarize rebuild/recheck cmds for all configs (9045714)

[Marcel Fabian Krüger]

Repository : https://github.com/latex3/l3build
On branch  : regenerate
Link       : https://github.com/latex3/l3build/commit/90457143ccd5a84f25dcb31d7ebb83443e61d8db

>---------------------------------------------------------------

commit 90457143ccd5a84f25dcb31d7ebb83443e61d8db
Author: Marcel Fabian Krüger <tex at 2krueger.de>
Date:   Thu May 27 02:52:46 2021 +0200

    Summarize rebuild/recheck cmds for all configs


>---------------------------------------------------------------

90457143ccd5a84f25dcb31d7ebb83443e61d8db
 l3build-check.lua |  5 +++++
 l3build.lua       | 31 +++++++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/l3build-check.lua b/l3build-check.lua
index e708220..6ec4346 100644
--- a/l3build-check.lua
+++ b/l3build-check.lua
@@ -1009,13 +1009,18 @@ function showsavecommands(failurelist)
     end
   end
   print("  To regenerate the test files, run\n")
+  local f = open(testdir .. "/.savecommands", "w")
   for _, cmds in pairs(savecmds) do
     print("    " .. cmds)
+    f:write(cmds, "\n")
   end
+  f:write"\n"
   if hascheckcmd then
      print("\n  Afterwards test for engine specific changes using\n")
      print("    " .. checkcmd)
+     f:write(checkcmd)
   end
+  f:close()
   print("")
 end
 
diff --git a/l3build.lua b/l3build.lua
index 8299439..c97c679 100644
--- a/l3build.lua
+++ b/l3build.lua
@@ -43,6 +43,8 @@ local print            = print
 local select           = select
 local tonumber         = tonumber
 local exit             = os.exit
+local open             = io.open
+local stdout           = io.stdout
 
 -- l3build setup and functions
 kpse.set_program_name("kpsewhich")
@@ -160,6 +162,35 @@ if options["target"] == "check" then
         end
         print("")
       end
+      if options["show-save-cmds"] then
+        local savecmds, recheckcmds = "", ""
+        for _,config in ipairs(failed) do
+          local testdir = testdir
+          if config ~= "build" then
+            testdir = testdir .. "-" .. config
+          end
+          local f = open(testdir .. "/.savecommands")
+          if not f then
+            print("Error: Cannot find save commands for configuration " ..
+              config)
+            exit(2)
+          end
+          for line in f:lines() do
+             if line == "" then break end
+             savecmds = savecmds .. "  " .. line .. "\n"
+          end
+          for line in f:lines() do
+             recheckcmds = recheckcmds .. "  " .. line .. "\n"
+          end
+          f:close()
+        end
+        print"To regenerate the test files, run\n"
+        print(savecmds)
+        if recheckcmds ~= "" then
+          print"To detect engine specific differences, run after that\n"
+          print(recheckcmds)
+        end
+      end
       exit(1)
     else
       -- Avoid running the 'main' set of tests twice