build-nightlies

#!/bin/bash

VERSION="$(git describe | sed s/first-edition-//)"
DATE="$(date +"%B %-d, %Y")"
VERSION_MARKER="$(git describe)"

PDF_TARGETS="hott-online hott-ebook hott-letter hott-a4 errata"

# the travis script looks for lines of the form 'NIGHTLY: ...' and scrapes the file names from these

for TARGET in $PDF_TARGETS; do
    make "$TARGET.pdf" && mv -f "$TARGET.pdf" "$TARGET-$VERSION.pdf" && echo "NIGHTLY: $TARGET-$VERSION.pdf"
done

echo "$VERSION" > version && echo "NIGHTLY: version"

# update the linking page
cat > Nightly-Builds.md <<EOF
<!--- This page is auto-generated by travis.  To update this page; update the build-nightlies script. --->
Below are links to "nightly builds" of the book, incorporating fixes and improvements that have not yet been incorporated into the "released version" that can be found on the [official book web site](http://homotopytypetheory.org/book/).  The nightly builds are updated automatically by Travis CI; their most recent update was on $DATE and their version marker is "$VERSION_MARKER".

* [PDF for on-screen viewing](//hott.github.io/book/nightly/hott-online-$VERSION.pdf)
* [PDF for e-book readers](//hott.github.io/book/nightly/hott-ebook-$VERSION.pdf)
* [PDF for printing on letter paper](//hott.github.io/book/nightly/hott-letter-$VERSION.pdf)
* [PDF for printing on A4 paper](//hott.github.io/book/nightly/hott-a4-$VERSION.pdf)
* [errata for previous versions](//hott.github.io/book/nightly/errata-$VERSION.pdf)
EOF

# the travis script looks for a line of the form NIGHTLY-WIKI: to find the file name

echo 'NIGHTLY-WIKI: Nightly-Builds.md'