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pmb.config: mount go caching directories

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Always set GOCACHE during build and let it point to pmbootstrap's work
dir. This has a similar effect as using ccache for C/C++.

Set GOMODCACHE conditionally: this is for caching the go modules (git
repositories) that get cloned during a build if they are not bundled
with the source. Usually APKBUILDs should cache them, but when using
pmbootstrap build --src, they would get downloaded over and over again.
Set GOMODCACHE automatically for --src and allow enabling/disabling this
manually with new --go-mod-cache / --no-go-mod-cache.

This speeds up multiple iterations of building the same package
significantly. I'm using it for:

$ pmbootstrap build postmarketos-mkinitfs --src=...

I've verified that using the same GOCACHE dir for multiple architectures
doesn't result in build artifacts for the wrong arch getting used.

Reviewed-by: Clayton Craft <clayton@craftyguy.net>
Link: https://lists.sr.ht/~postmarketos/pmbootstrap-devel/%3C20230223064743.1773-1-ollieparanoid@postmarketos.org%3E
This commit is contained in:
Oliver Smith 2023-02-23 07:47:43 +01:00
parent 3ad159f98d
commit a0cea6255a
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GPG key ID: 5AE7F5513E0885CB
4 changed files with 41 additions and 1 deletions
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6
test/test_build_package.py
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@ -273,7 +273,9 @@ def test_run_abuild(args, monkeypatch):
# Normal run
output = "armhf/test-1-r2.apk"
env = {"CARCH": "armhf", "SUDO_APK": "abuild-apk --no-progress"}
env = {"CARCH": "armhf",
"GOCACHE": "/home/pmos/.cache/go-build",
"SUDO_APK": "abuild-apk --no-progress"}
cmd = ["abuild", "-D", "postmarketOS", "-d"]
assert func(args, apkbuild, "armhf") == (output, cmd, env)
@ -283,6 +285,7 @@ def test_run_abuild(args, monkeypatch):
# cross=native
env = {"CARCH": "armhf",
"GOCACHE": "/home/pmos/.cache/go-build",
"SUDO_APK": "abuild-apk --no-progress",
"CROSS_COMPILE": "armv6-alpine-linux-musleabihf-",
"CC": "armv6-alpine-linux-musleabihf-gcc"}
@ -293,6 +296,7 @@ def test_run_abuild(args, monkeypatch):
(output, cmd, env) = func(args, apkbuild, "armhf", cross="distcc")
assert output == "armhf/test-1-r2.apk"
assert env["CARCH"] == "armhf"
assert env["GOCACHE"] == "/home/pmos/.cache/go-build"
assert env["CCACHE_PREFIX"] == "distcc"
assert env["CCACHE_PATH"] == "/usr/lib/arch-bin-masquerade/armhf:/usr/bin"
assert env["CCACHE_COMPILERCHECK"].startswith("string:")