worktree: transparent copy-on-write population via reflinks #29115

Job	Run time
config	8s
fuzz smoke test	1m 28s
win build	5m 13s
win+Meson build	1m 14s
static-analysis	6m 36s
osx-reftable (macos-14)	34m 16s
documentation	5m 12s
osx-clang (macos-14)	32m 20s
rust-analysis	1m 38s
osx-gcc (macos-14)	37m 20s
osx-meson (macos-14)	30s
sparse	3m 57s
almalinux-8 (almalinux:8)	20m 3s
linux32 (i386/ubuntu:20.04)	6h 0m 5s
linux-asan-ubsan (ubuntu:rolling)	1h 9m 55s
linux-TEST-vars (ubuntu:20.04)	24m 33s
linux-sha256 (ubuntu:rolling)	29m 57s
linux-breaking-changes (ubuntu:rolling)	25m 33s
linux-meson (ubuntu:rolling)	1m 22s
win+VS build	0s
linux-reftable-leaks (ubuntu:rolling)	1h 0m 24s
linux-musl-meson (alpine:latest)	17s
linux-leaks (ubuntu:rolling)	1h 0m 13s
fedora-breaking-changes-meson (fedora:latest)	1m 0s
debian-11 (debian:11)	22m 18s
linux-reftable (ubuntu:rolling)	18m 0s
win+VS test	-1s
win+Meson test	0s
win test (2)	56m 29s
win test (0)	11m 33s
win test (1)	7m 52s
win test (4)	21m 55s
win test (8)	6m 57s
win test (3)	8m 21s
win test (7)	6m 12s
win test (6)	9m 35s
win test (5)	9m 17s
win test (9)	6m 11s
	16h 7m 53s

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