462421d345
This provides a pluggable mechanism for defining new fetchers. It adds
a builtin function 'fetchTree' that generalizes existing fetchers like
'fetchGit', 'fetchMercurial' and 'fetchTarball'. 'fetchTree' takes a
set of attributes, e.g.
fetchTree {
type = "git";
url = "https://example.org/repo.git";
ref = "some-branch";
rev = "abcdef...";
}
The existing fetchers are just wrappers around this. Note that the
input attributes to fetchTree are the same as flake input
specifications and flake lock file entries.
All fetchers share a common cache stored in
~/.cache/nix/fetcher-cache-v1.sqlite. This replaces the ad hoc caching
mechanisms in fetchGit and download.cc (e.g. ~/.cache/nix/{tarballs,git-revs*}).
This also adds support for Git worktrees (c169ea5904).
37 lines
724 B
Bash
37 lines
724 B
Bash
source common.sh
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test -n "$TEST_ROOT"
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if test -d "$TEST_ROOT"; then
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chmod -R u+w "$TEST_ROOT"
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rm -rf "$TEST_ROOT"
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fi
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mkdir "$TEST_ROOT"
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mkdir "$NIX_STORE_DIR"
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mkdir "$NIX_LOCALSTATE_DIR"
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mkdir -p "$NIX_LOG_DIR"/drvs
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mkdir "$NIX_STATE_DIR"
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mkdir "$NIX_CONF_DIR"
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cat > "$NIX_CONF_DIR"/nix.conf <<EOF
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build-users-group =
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keep-derivations = false
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sandbox = false
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experimental-features = nix-command flakes
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flake-registry = $TEST_ROOT/registry.json
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include nix.conf.extra
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EOF
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cat > "$NIX_CONF_DIR"/nix.conf.extra <<EOF
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fsync-metadata = false
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!include nix.conf.extra.not-there
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EOF
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# Initialise the database.
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nix-store --init
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# Did anything happen?
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test -e "$NIX_STATE_DIR"/db/db.sqlite
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echo 'Hello World' > ./dummy
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