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_render.R
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_render.R
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quiet = "--quiet" %in% commandArgs(FALSE)
formats = commandArgs(TRUE)
travis = !is.na(Sys.getenv('CI', NA))
src = (function() {
attr(body(sys.function()), 'srcfile')
})()$filename
if (is.null(src) || src == '') src = '.'
owd = setwd(dirname(src))
# provide default formats if necessary
if (length(formats) == 0) formats = c(
'bookdown::pdf_book', 'bookdown::epub_book', 'bookdown::gitbook'
)
# render the book to all formats unless they are specified via command-line args
for (fmt in formats) {
cmd = sprintf("bookdown::render_book('index.Rmd', '%s', quiet = %s)", fmt, quiet)
res = bookdown:::Rscript(c('-e', shQuote(cmd)))
if (res != 0) stop('Failed to compile the book to ', fmt)
if (!travis && fmt == 'bookdown::epub_book')
bookdown::calibre('_book/bookdown.epub', 'mobi')
}
r = '<body onload="window.location = \'https://bookdown.org/yihui\'+location.pathname">'
for (f in list.files('_book', '[.]html$', full.names = TRUE)) {
x = readLines(f)
if (length(i <- grep('^\\s*<body>\\s*$', x)) == 0) next
# patch HTML files in gh-pages if built on Travis, to redirect to bookdown.org
#if (travis) x[i[1]] = r
i = grep('<i class="fa fa-circle-o-notch fa-spin"></i><a href="./">.+</a>', x)[1]
# shorter title on the toolbar
if (!is.na(i)) x[i] = gsub('bookdown: ', '', x[i], fixed = TRUE)
i = c(
grep('^\\s*<meta name="generator" content="bookdown [.0-9]+ and GitBook [.0-9]+">$', x),
grep('^<meta name="date" content="[-0-9]+">$', x)
)
if (travis && length(i)) x = x[-i]
writeLines(x, f)
}
if (length(formats) > 1) bookdown::publish_book()
setwd(owd)