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def _pdf_crop_impl(ctx):
texlive_path = ctx.var.get("TEXLIVE_FULL_DIR", None)
if texlive_path == None:
fail("Please run setup_texlive.sh to set TEXLIVE_FULL_DIR.")
uncropped = ctx.attr.uncropped.files.to_list()[0]
ctx.actions.run(
mnemonic = "PDFCrop",
executable = "bash",
use_default_shell_env = True,
arguments = [
ctx.files._pdf_crop_wrapper[0].path,
ctx.files._pdf_crop_script[0].path,
texlive_path,
uncropped.path,
ctx.outputs.output.path,
],
inputs = depset(
direct = (ctx.files._pdf_crop_script + ctx.files._pdf_crop_wrapper +
[uncropped]),
),
outputs = [ctx.outputs.output],
)
_pdf_crop = rule(
attrs = {
"uncropped": attr.label(
allow_files = True,
),
"output": attr.output(),
"_pdf_crop_wrapper": attr.label(
allow_files = True,
default = "@bazel_latex//:pdfcrop.sh",
),
"_pdf_crop_script": attr.label(
allow_files = True,
default = "@pdfcrop//:pdfcrop.pl",
),
},
implementation = _pdf_crop_impl,
)
def pdfcrop(name = "pdfcrop", visibility = [], uncropped = []):
for path in uncropped:
if not path.endswith(".pdf"):
fail
for i, path in enumerate(uncropped):
_pdf_crop(
name = path[:-4] + "-cropper",
uncropped = path,
output = path[:-4] + "-crop.pdf",
visibility = visibility,
)
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