fixes #12998 nim doc regression (#13117)

13 files changed, 28 insertions, 16 deletions

diff --git a/.gitignore b/.gitignore
index a9b65bb02..895e3637c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -89,3 +89,5 @@ megatest.nim
 
 # ignore debug dirs generated by dsymutil on OSX
 *.dSYM
+
+nimdoc.out.css
diff --git a/compiler/docgen.nim b/compiler/docgen.nim
index a09f54c16..505488e27 100644
--- a/compiler/docgen.nim
+++ b/compiler/docgen.nim
@@ -17,7 +17,7 @@ import
   packages/docutils/rst, packages/docutils/rstgen,
   json, xmltree, cgi, trees, types,
   typesrenderer, astalgo, lineinfos, intsets,
-  pathutils, trees
+  pathutils, trees, nimconf
 
 const
   exportSection = skField
@@ -43,6 +43,7 @@ type
     destFile*: AbsoluteFile
     thisDir*: AbsoluteDir
     examples: string
+    wroteCss*: bool
 
   PDoc* = ref TDocumentor ## Alias to type less.
 
@@ -1069,10 +1070,16 @@ proc writeOutput*(d: PDoc, useWarning = false) =
     template outfile: untyped = d.destFile
     #let outfile = getOutFile2(d.conf, shortenDir(d.conf, filename), outExt, "htmldocs")
     createDir(outfile.splitFile.dir)
+    d.conf.outFile = outfile.extractFilename.RelativeFile
     if not writeRope(content, outfile):
       rawMessage(d.conf, if useWarning: warnCannotOpenFile else: errCannotOpenFile,
         outfile.string)
-    d.conf.outFile = outfile.extractFilename.RelativeFile
+    elif not d.wroteCss:
+      let cssSource = $d.conf.getPrefixDir() / "doc" / "nimdoc.css"
+      let cssDest = $d.conf.outDir / "nimdoc.out.css"
+        # renamed to make it easier to use with gitignore in user's repos
+      copyFile(cssSource, cssDest)
+      d.wroteCss = true
 
 proc writeOutputJson*(d: PDoc, useWarning = false) =
   runAllExamples(d)
diff --git a/compiler/installer.ini b/compiler/installer.ini
index fed077fdb..f8676ab08 100644
--- a/compiler/installer.ini
+++ b/compiler/installer.ini
@@ -139,4 +139,4 @@ licenses: "bin/nim,MIT;lib/*,MIT;"
 
 [nimble]
 pkgName: "compiler"
-pkgFiles: "compiler/*;doc/basicopt.txt;doc/advopt.txt"
+pkgFiles: "compiler/*;doc/basicopt.txt;doc/advopt.txt;doc/nimdoc.css"
diff --git a/compiler/main.nim b/compiler/main.nim
index 3cafe1f2c..4e444bff7 100644
--- a/compiler/main.nim
+++ b/compiler/main.nim
@@ -305,6 +305,7 @@ proc mainCommand*(graph: ModuleGraph) =
 
       var dumpdata = %[
         (key: "version", val: %VersionAsString),
+        (key: "prefixdir", val: %conf.getPrefixDir().string),
         (key: "project_path", val: %conf.projectFull.string),
         (key: "defined_symbols", val: definedSymbols),
         (key: "lib_paths", val: %libpaths),
diff --git a/compiler/options.nim b/compiler/options.nim
index 9c17ea1e6..3866f4b7f 100644
--- a/compiler/options.nim
+++ b/compiler/options.nim
@@ -509,6 +509,9 @@ proc getPrefixDir*(conf: ConfigRef): AbsoluteDir =
   ##
   ## This is overridden by some tools (namely nimsuggest) via the ``conf.prefixDir``
   ## field.
+  ## This should resolve to root of nim sources, whether running nim from a local
+  ##  clone or using installed nim, so that these exist: `result/doc/advopt.txt`
+  ## and `result/lib/system.nim`
   if not conf.prefixDir.isEmpty: result = conf.prefixDir
   else: result = AbsoluteDir splitPath(getAppDir()).head
 
diff --git a/config/nimdoc.cfg b/config/nimdoc.cfg
index e3282ee7f..0ecb75c36 100644
--- a/config/nimdoc.cfg
+++ b/config/nimdoc.cfg
@@ -237,7 +237,7 @@ doc.file = """<?xml version="1.0" encoding="utf-8" ?>
 
 <!-- CSS -->
 <title>$title</title>
-<link rel="stylesheet" type="text/css" href="nimdoc.css">
+<link rel="stylesheet" type="text/css" href="/nimdoc.out.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
diff --git a/koch.nim b/koch.nim
index a0a7dd903..7d7e252bf 100644
--- a/koch.nim
+++ b/koch.nim
@@ -24,7 +24,7 @@ when defined(i386) and defined(windows) and defined(vcc):
   {.link: "icons/koch-i386-windows-vcc.res".}
 
 import
-  os, strutils, parseopt, osproc, streams
+  os, strutils, parseopt, osproc
 
 import tools / kochdocs
 
@@ -45,6 +45,7 @@ Options:
   --help, -h               shows this help and quits
   --latest                 bundle the installers with a bleeding edge Nimble
   --stable                 bundle the installers with a stable Nimble (default)
+  --nim:path               use specified path for nim binary
 Possible Commands:
   boot [options]           bootstraps with given command line options
   distrohelper [bindir]    helper for distro packagers
@@ -605,6 +606,7 @@ when isMainModule:
       case normalize(op.key)
       of "latest": latest = true
       of "stable": latest = false
+      of "nim": nimExe = op.val.absolutePath # absolute so still works with changeDir
       else: showHelp()
     of cmdArgument:
       case normalize(op.key)
diff --git a/nimdoc/test_out_index_dot_html/expected/index.html b/nimdoc/test_out_index_dot_html/expected/index.html
index caf38a86d..d9ad0d625 100644
--- a/nimdoc/test_out_index_dot_html/expected/index.html
+++ b/nimdoc/test_out_index_dot_html/expected/index.html
@@ -18,7 +18,7 @@
 
 <!-- CSS -->
 <title>foo</title>
-<link rel="stylesheet" type="text/css" href="nimdoc.css">
+<link rel="stylesheet" type="text/css" href="/nimdoc.out.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
diff --git a/nimdoc/test_out_index_dot_html/expected/theindex.html b/nimdoc/test_out_index_dot_html/expected/theindex.html
index e0b0c067d..49e37bddf 100644
--- a/nimdoc/test_out_index_dot_html/expected/theindex.html
+++ b/nimdoc/test_out_index_dot_html/expected/theindex.html
@@ -18,7 +18,7 @@
 
 <!-- CSS -->
 <title>Index</title>
-<link rel="stylesheet" type="text/css" href="nimdoc.css">
+<link rel="stylesheet" type="text/css" href="/nimdoc.out.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
diff --git a/nimdoc/testproject/expected/subdir/subdir_b/utils.html b/nimdoc/testproject/expected/subdir/subdir_b/utils.html
index 8d646e6a1..30a172226 100644
--- a/nimdoc/testproject/expected/subdir/subdir_b/utils.html
+++ b/nimdoc/testproject/expected/subdir/subdir_b/utils.html
@@ -18,7 +18,7 @@
 
 <!-- CSS -->
 <title>utils</title>
-<link rel="stylesheet" type="text/css" href="nimdoc.css">
+<link rel="stylesheet" type="text/css" href="/nimdoc.out.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
diff --git a/nimdoc/testproject/expected/testproject.html b/nimdoc/testproject/expected/testproject.html
index 123ddce59..b641bad6e 100644
--- a/nimdoc/testproject/expected/testproject.html
+++ b/nimdoc/testproject/expected/testproject.html
@@ -18,7 +18,7 @@
 
 <!-- CSS -->
 <title>testproject</title>
-<link rel="stylesheet" type="text/css" href="nimdoc.css">
+<link rel="stylesheet" type="text/css" href="/nimdoc.out.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
diff --git a/nimdoc/testproject/expected/theindex.html b/nimdoc/testproject/expected/theindex.html
index e0282e355..912ba98c2 100644
--- a/nimdoc/testproject/expected/theindex.html
+++ b/nimdoc/testproject/expected/theindex.html
@@ -18,7 +18,7 @@
 
 <!-- CSS -->
 <title>Index</title>
-<link rel="stylesheet" type="text/css" href="nimdoc.css">
+<link rel="stylesheet" type="text/css" href="/nimdoc.out.css">
 
 <script type="text/javascript" src="dochack.js"></script>
 
diff --git a/tools/kochdocs.nim b/tools/kochdocs.nim
index 4adfef71e..f99567cd0 100644
--- a/tools/kochdocs.nim
+++ b/tools/kochdocs.nim
@@ -11,12 +11,15 @@ const
   webUploadOutput = "web/upload"
   docHackDir = "tools/dochack"
 
+var nimExe*: string
+
 proc exe*(f: string): string =
   result = addFileExt(f, ExeExt)
   when defined(windows):
     result = result.replace('/','\\')
 
 proc findNim*(): string =
+  if nimExe.len > 0: return nimExe
   var nim = "nim".exe
   result = "bin" / nim
   if existsFile(result): return
@@ -366,14 +369,11 @@ proc buildJS() =
 proc buildDocs*(args: string) =
   const
     docHackJs = "dochack.js"
-    css = "nimdoc.css"
   let
     a = nimArgs & " " & args
     docHackJsSource = docHackDir / docHackJs
     docHackJsDest = docHtmlOutput / docHackJs
 
-    cssSource = "doc" / css
-    cssDest = docHtmlOutput / css
   buildJS()                     # This call generates docHackJsSource
   let docup = webUploadOutput / NimVersion
   createDir(docup)
@@ -387,6 +387,3 @@ proc buildDocs*(args: string) =
   buildDoc(nimArgs, docHtmlOutput)
   copyFile(docHackJsSource, docHackJsDest)
   copyFile(docHackJsSource, docup / docHackJs)
-
-  copyFile(cssSource, cssDest)
-  copyFile(cssSource, docup / css)