From 696252c38a939599cc2f0ea8a05b135120e725d3 Mon Sep 17 00:00:00 2001
From: Matthew Sotoudeh <masotoudeh@ucdavis.edu>
Date: Sun, 13 Sep 2020 16:13:59 -0700
Subject: Fixes to the arXiv-cleaning rules (#4)

Resolves Issue #3, now the arxiv-latex-cleaner rules should work correctly.
---
 latex.bzl | 72 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 68 insertions(+), 4 deletions(-)

(limited to 'latex.bzl')

diff --git a/latex.bzl b/latex.bzl
index dc79e4e..d496397 100644
--- a/latex.bzl
+++ b/latex.bzl
@@ -43,6 +43,61 @@ _latex_pdf = rule(
     implementation = _latex_pdf_impl,
 )
 
+def _arxivable_impl(ctx):
+    """Rule to run arxiv-latex-cleaner and produce a .tar.gz of the sources.
+    """
+    texlive_path = ctx.var.get("TEXLIVE_FULL_DIR", None)
+    if texlive_path == None:
+        fail("Please run setup_texlive.sh to set TEXLIVE_FULL_DIR.")
+    ctx.actions.run(
+        mnemonic = "Cleaning",
+        executable = "python",
+        use_default_shell_env = True,
+        arguments = [
+            ctx.files._run_script[0].path,
+            texlive_path,
+            ctx.files._latexrun[0].path,
+            ctx.files.main[0].path.replace(".tex", ""),
+            ctx.files.main[0].path,
+            "--",
+        ] + [src.path for src in ctx.files.srcs] + [
+            "--",
+            ctx.files._arxiv_script[0].path,
+            ctx.outputs.out.path,
+        ],
+        inputs = depset(
+            direct = (ctx.files.main + ctx.files.srcs + ctx.files._latexrun +
+                      ctx.files._run_script + ctx.files._arxiv_script +
+                      ctx.files._arxiv_latex_cleaner),
+        ),
+        outputs = [ctx.outputs.out],
+    )
+
+_arxivable = rule(
+    attrs = {
+        "main": attr.label(allow_files = True),
+        "srcs": attr.label_list(allow_files = True),
+        "_latexrun": attr.label(
+            allow_files = True,
+            default = "@bazel_latex_latexrun//:latexrun",
+        ),
+        "_run_script": attr.label(
+            allow_files = True,
+            default = "@bazel_latex//:run_latex.py",
+        ),
+        "_arxiv_script": attr.label(
+            allow_files = True,
+            default = "@bazel_latex//:get_arxivable.sh",
+        ),
+        "_arxiv_latex_cleaner": attr.label(
+            allow_files = True,
+            default = "@arxiv_latex_cleaner//:all",
+        ),
+    },
+    outputs = {"out": "%{name}.tar.gz"},
+    implementation = _arxivable_impl,
+)
+
 def latex_document(name, main, srcs = []):
     """Given a TeX file, add rules for compiling and archiving it.
     """
@@ -64,13 +119,22 @@ def latex_document(name, main, srcs = []):
     # Copy the PDF into the main working directory.
     native.sh_binary(
         name = name + "_getpdf",
-        srcs = ["@bazel_latex//:get_pdf.sh"],
+        srcs = ["@bazel_latex//:get_file.sh"],
+        args = [name + ".pdf"],
         data = [name + ".pdf"],
     )
 
     # Create an arXiv-ready version of the source.
-    native.sh_binary(
+    _arxivable(
         name = name + "_arxivable",
-        srcs = ["@bazel_latex//:get_arxivable.sh"],
-        data = srcs + ["@arxiv_latex_cleaner//:all"],
+        srcs = srcs,
+        main = main,
+    )
+
+    # Copy the .tar.gz into the main working directory.
+    native.sh_binary(
+        name = name + "_getarxivable",
+        srcs = ["@bazel_latex//:get_file.sh"],
+        args = [name + "_arxivable.tar.gz"],
+        data = [name + "_arxivable.tar.gz"],
     )
-- 
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