ghostty/nix/build-support/fetch-zig-cache.sh
2024-09-27 20:40:03 -05:00

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#!/bin/sh
set -e
# Because Zig does not fetch recursive dependencies when you run `zig build
# --fetch` (see https://github.com/ziglang/zig/issues/20976) we need to do some
# extra work to fetch everything that we actually need to build without Internet
# access (such as when building a Nix package).
#
# An example of this happening:
#
# error: builder for '/nix/store/cx8qcwrhjmjxik2547fw99v5j6np5san-ghostty-0.1.0.drv' failed with exit code 1;
# la/build/tmp.xgHOheUF7V/p/12208cfdda4d5fdbc81b0c44b82e4d6dba2d4a86bff644a153e026fdfc80f8469133/build.zig.zon:7:20: error: unable to discover remote git server capabilities: TemporaryNameServerFailure
# > .url = "git+https://github.com/zigimg/zigimg#3a667bdb3d7f0955a5a51c8468eac83210c1439e",
# > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# > /build/tmp.xgHOheUF7V/p/12208cfdda4d5fdbc81b0c44b82e4d6dba2d4a86bff644a153e026fdfc80f8469133/build.zig.zon:16:20: error: unable to discover remote git server capabilities: TemporaryNameServerFailure
# > .url = "git+https://github.com/mitchellh/libxev#f6a672a78436d8efee1aa847a43a900ad773618b",
# > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# >
# For full logs, run 'nix log /nix/store/cx8qcwrhjmjxik2547fw99v5j6np5san-ghostty-0.1.0.drv'.
#
# To update this script, add any failing URLs with a line like this:
#
# zig fetch <url>
#
# Periodically old URLs may need to be cleaned out.
#
# Hopefully when the Zig issue is fixed this script can be eliminated in favor
# of a plain `zig build --fetch`.
if [ -z ${ZIG_GLOBAL_CACHE_DIR+x} ]
then
echo "must set ZIG_GLOBAL_CACHE_DIR!"
exit 1
fi
zig build --fetch
zig fetch git+https://github.com/zigimg/zigimg#3a667bdb3d7f0955a5a51c8468eac83210c1439e
zig fetch git+https://github.com/mitchellh/libxev#f6a672a78436d8efee1aa847a43a900ad773618b