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nix.dev/source/tutorials/module-system/files/map
Silvan Mosberger 37922482b7
Module system deep dive tutorial (#645)
* Draft module system introduction tutorial

* add intro/conclusion, rework prose, follow styleguide, clean diffs

* Review pass

* Apply suggestions from code review

* fix whitespace

* add some more motivation the each section

* make scripts downloadable

* address review comments

* make script actually work

...hopefully. can't test it without Google API key

* add file watching

yes, this looks scary, and yes, it works.

* update diff and wording

* more notes on potential pitfalls

* be explicit which `map` we mean

* split nullable from default values

* also wrap the geocode script

* work through the tutorial to the end

* add tutorial overview

* `lib` is always passed

* add separate section for `evalModules` and fix link

* make option strucutre more self-explanatory

* explain command line invocations

* add note on incomplete reference documentation

* add more highlight to the `config` distinction

* fix parameter passing to the `./map` script

* fix typo

* fix wording

* link to summer of nix

* add missing word

* link to Google Maps API docs

* more explicit requirement

* use correct module system terminology

* Update source/tutorials/module-system/module-system.md

* Apply suggestions from code review

* whitespace

* module-system.md: replace comments with captions

* add missing lang for code-block

* Update module system title

* change most headers to be about module features (#797)

* change most headers to be about module features

Some headers could not be made about module features, and that's a
strong signal that those sections should be removed.

* Apply suggestions from code review

* module-system.md: Fix header casing

Co-authored-by: Alexander Groleau <source@proof.construction>
Co-authored-by: asymmetric <lorenzo@mailbox.org>
Co-authored-by: Valentin Gagarin <valentin.gagarin@tweag.io>
2023-11-20 17:21:06 +01:00

61 lines
1.4 KiB
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Executable file

#!/usr/bin/env bash
set -euo pipefail
cachedir=${XDG_CACHE_HOME:-~/.cache}/google-api/maps-static
mkdir -p "$cachedir"
hash=$(echo "$@" | sha256sum - | cut -d' ' -f1)
cachefile="$cachedir/$hash"
if [[ ! -f "$cachefile" ]]; then
keyFile=${XDG_DATA_HOME:-~/.local/share}/google-api/key
if [[ ! -f "$keyFile" ]]; then
mkdir -p "$(basename "$keyFile")"
echo "No Google API key found in $keyFile" >&2
echo "For getting one, see https://developers.google.com/maps/documentation/maps-static/start#before-you-begin" >&2
exit 1
fi
key=$(cat "$keyFile")
tmp=$(mktemp -d)
trap 'rm -rf "$tmp"' exit
output=$tmp/output
curlArgs=(
https://maps.googleapis.com/maps/api/staticmap
--silent --show-error --get --output "$output" --write-out %{http_code}
)
for arg in "$@"; do
curlArgs+=(--data-urlencode "$arg")
done
#echo curl ''${curlArgs[@]@Q} >&2
curlArgs+=(--data-urlencode key="$key")
if status=$(curl "${curlArgs[@]}"); then
if [[ "$status" == 200 ]]; then
mv "$output" "$cachefile"
else
echo "API returned non-200 HTTP status code $status, output is" >&2
cat "$output" >&2
exit 1
fi
else
code=$?
echo "curl exited with code $code" >&2
exit 1
fi
fi
if [[ -t 1 ]]; then
echo "Successful, but won't output image to tty, pipe to a file or icat instead" >&2
else
cat "$cachefile"
fi