From 462421d34588c227eb736b07f7b40a38aa0972a6 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Mon, 30 Mar 2020 16:04:18 +0200
Subject: Backport libfetchers from the flakes branch

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 (c169ea59049f861aaba429f48b828d0820b74d1d).
---
 src/libfetchers/local.mk | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 src/libfetchers/local.mk

(limited to 'src/libfetchers/local.mk')

diff --git a/src/libfetchers/local.mk b/src/libfetchers/local.mk
new file mode 100644
index 000000000..d7143d8a6
--- /dev/null
+++ b/src/libfetchers/local.mk
@@ -0,0 +1,11 @@
+libraries += libfetchers
+
+libfetchers_NAME = libnixfetchers
+
+libfetchers_DIR := $(d)
+
+libfetchers_SOURCES := $(wildcard $(d)/*.cc)
+
+libfetchers_CXXFLAGS += -I src/libutil -I src/libstore
+
+libfetchers_LIBS = libutil libstore libnixrust
-- 
cgit v1.2.3