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https://github.com/moby/buildkit.git
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508dd62bf7
Add git.mtime=commit option that normalizes all file, symlink, and directory mtimes in a git snapshot to the resolved commit timestamp. This enables reproducible builds from git sources. When SOURCE_DATE_EPOCH is set in the Dockerfile frontend, the git context automatically uses commit-time mtimes. The URL query parameter ?mtime=commit|checkout can override this. New LLB attr (git.mtime) and capability (source.git.mtime) are registered as experimental. Cache keys include the mtime policy so that commit-time and checkout-time snapshots are distinct. Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
15 lines
269 B
Go
15 lines
269 B
Go
//go:build !windows
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package git
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import (
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"time"
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"golang.org/x/sys/unix"
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)
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func lchtimes(path string, t time.Time) error {
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ts := unix.NsecToTimespec(t.UnixNano())
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return unix.UtimesNanoAt(unix.AT_FDCWD, path, []unix.Timespec{ts, ts}, unix.AT_SYMLINK_NOFOLLOW)
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}
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