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Maximilian Bosch f742438465
Merge legacy fetchGit-builtin with the generic fetchTree-function 
The original idea was to implement a git-fetcher in Nix's core that
supports content hashes[1]. In #3549[2] it has been suggested to
actually use `fetchTree` for this since it's a fairly generic wrapper
over the new fetcher-API[3] and already supports content-hashes.

This patch implements a new git-fetcher based on `fetchTree` by
incorporating the following changes:

* Removed the original `fetchGit`-implementation and replaced it with an
  alias on the `fetchTree` implementation.

* Ensured that the `git`-fetcher from `libfetchers` always computes a
  content-hash and returns an "empty" revision on dirty trees (the
  latter one is needed to retain backwards-compatibility).

* The hash-mismatch error in the fetcher-API exits with code 102 as it
  usually happens whenever a hash-mismatch is detected by Nix.

* Removed the `flakes`-feature-flag: I didn't see a reason why this API
  is so tightly coupled to the flakes-API and at least `fetchGit` should
  remain usable without any feature-flags.

* It's only possible to specify a `narHash` for a `git`-tree if either a
  `ref` or a `rev` is given[4].

* It's now possible to specify an URL without a protocol. If it's missing,
  `file://` is automatically added as it was the case in the original
  `fetchGit`-implementation.

[1] https://github.com/NixOS/nix/pull/3216
[2] https://github.com/NixOS/nix/pull/3549#issuecomment-625194383
[3] https://github.com/NixOS/nix/pull/3459
[4] https://github.com/NixOS/nix/pull/3216#issuecomment-553956703
2020-07-28 00:44:39 +02:00
..
config add NIX_USER_CONF_FILES 2020-04-14 18:45:06 +02:00
lang Make function arguments retain position info 2020-04-02 05:52:52 +02:00
plugins Remove global -I flags 2020-03-30 15:30:19 +02:00
add.sh
bad.tar.xz Validate tarball components 2019-12-13 19:05:26 +01:00
binary-cache.sh Add a test for local NAR caching 2020-07-13 16:25:48 +02:00
brotli.sh Require libbrotli 2018-08-06 14:06:54 +02:00
build-dry.sh Fix test failures when $TMPDIR changes 2019-06-15 16:36:33 +02:00
build-hook.nix build-remote.sh: Test LegacySSHStore 2020-06-25 18:42:55 +02:00
build-remote.sh build-remote.sh: Test LegacySSHStore 2020-06-25 18:42:55 +02:00
case-hack.sh
case.nar
check-refs.nix
check-refs.sh Restore old (dis)allowedRequisites behaviour for self-references 2018-10-27 15:41:53 +02:00
check-reqs.nix Restore old (dis)allowedRequisites behaviour for self-references 2018-10-27 15:41:53 +02:00
check-reqs.sh Restore old (dis)allowedRequisites behaviour for self-references 2018-10-27 15:41:53 +02:00
check.nix Delete temporary directory on successful build 2020-04-09 16:37:41 -04:00
check.sh Add test case for temporary directories on darwin 2020-04-10 18:20:12 -04:00
common.sh.in Shorten the path to the test root 2020-07-03 09:20:01 +02:00
config.nix.in tests/binary-cache.sh: Improve incomplete closure test 2020-05-12 13:56:00 +02:00
config.sh add NIX_USER_CONF_FILES 2020-04-14 18:45:06 +02:00
dependencies.builder0.sh
dependencies.nix tests/binary-cache.sh: Improve incomplete closure test 2020-05-12 13:56:00 +02:00
dependencies.sh tests/binary-cache.sh: Improve incomplete closure test 2020-05-12 13:56:00 +02:00
dump-db.sh
export-graph.nix
export-graph.sh tests/binary-cache.sh: Improve incomplete closure test 2020-05-12 13:56:00 +02:00
export.sh
fetchGit.sh Merge legacy fetchGit-builtin with the generic fetchTree-function 2020-07-28 00:44:39 +02:00
fetchGitRefs.sh Merge remote-tracking branch 'origin/master' into flakes 2020-06-17 10:26:52 +02:00
fetchGitSubmodules.sh Merge remote-tracking branch 'origin/master' into flakes 2020-04-07 14:29:45 +02:00
fetchMercurial.sh Unified fetcher caching system 2020-03-17 22:35:29 +01:00
fetchurl.sh Replace $TMPDIR with $TEST_ROOT in tests/fetchurl.sh 2019-11-08 12:08:10 -08:00
filter-source.nix
filter-source.sh
fixed.builder1.sh
fixed.builder2.sh
fixed.nix
fixed.sh
flakes.sh parseFlakeRef(): Only search for the top-level directory for CLI flakerefs 2020-07-17 14:54:21 +02:00
function-trace.sh function-trace: always show the trace 2019-09-18 23:23:21 +02:00
gc-auto.sh Merge remote-tracking branch 'origin/master' into flakes 2020-07-06 16:40:10 +02:00
gc-concurrent.builder.sh Make the gc-concurrent test more reliable 2020-07-02 16:13:36 +02:00
gc-concurrent.nix Make the gc-concurrent test more reliable 2020-07-02 16:13:36 +02:00
gc-concurrent.sh Make the gc-concurrent test more reliable 2020-07-02 16:13:36 +02:00
gc-concurrent2.builder.sh Make the gc-concurrent test more reliable 2020-07-02 16:13:36 +02:00
gc-runtime.nix
gc-runtime.sh
gc.sh Update tests to the new --roots format 2019-03-10 01:50:33 +01:00
github-flakes.nix github: Respect default branch 2020-06-18 13:25:08 +02:00
hash-check.nix
hash.sh Support SRI hashes 2018-12-13 14:30:52 +01:00
import-derivation.nix Allow builtins.pathExists to check the existence of /nix/store paths 2019-07-30 11:27:35 +02:00
import-derivation.sh
init.sh Merge remote-tracking branch 'origin/master' into flakes 2020-07-06 16:40:10 +02:00
install-darwin.sh Use $HOME instead of $USER 2019-07-25 09:44:01 -04:00
lang.sh
linux-sandbox.sh Fix nix-build --check -K in sandbox w/o root 2020-04-10 16:23:10 -04:00
local-store.sh Test relative store paths 2020-07-17 15:50:53 -04:00
local.mk Test relative store paths 2020-07-17 15:50:53 -04:00
logging.sh
misc.sh 'from string' 2020-06-30 16:43:01 -06:00
multiple-outputs.nix
multiple-outputs.sh
nar-access.nix
nar-access.sh
nix-build.sh nix-store -r: Handle symlinks to store paths 2019-12-16 19:11:47 +01:00
nix-channel.sh tests/binary-cache.sh: Improve incomplete closure test 2020-05-12 13:56:00 +02:00
nix-copy-closure.nix Merge remote-tracking branch 'origin/master' into flakes 2019-11-06 10:56:33 +01:00
nix-copy-ssh.sh Fix test failures when $TMPDIR changes 2019-06-15 16:36:33 +02:00
nix-profile.sh nix-env: Create ~/.nix-profile automatically 2019-10-09 23:35:01 +02:00
nix-shell.sh Hopefully fix macOS test failure 2020-07-03 13:16:22 +02:00
optimise-store.sh
parallel.builder.sh
parallel.nix
parallel.sh
pass-as-file.sh passAsFile: leave out the hash prefix 2020-01-02 23:56:06 +00:00
placeholders.sh Fix test failures when $TMPDIR changes 2019-06-15 16:36:33 +02:00
plugins.sh nix: Add --expr flag 2019-11-27 00:05:30 +01:00
post-hook.sh build-remote.sh: Test LegacySSHStore 2020-06-25 18:42:55 +02:00
pure-eval.nix
pure-eval.sh nix: Add --expr flag 2019-11-27 00:05:30 +01:00
push-to-store.sh Hopefully fix post-hook test on macOS 2019-08-27 17:01:54 +02:00
recursive.sh Merge remote-tracking branch 'origin/master' into flakes 2020-06-26 08:46:46 +02:00
referrers.sh Disallow empty store path names 2019-11-26 20:12:15 +01:00
remote-builds.nix Merge remote-tracking branch 'origin/master' into flakes 2019-11-06 10:56:33 +01:00
remote-store.sh Actually test nix-env with a remote store 2020-06-08 10:01:14 +02:00
repair.sh
restricted.nix
restricted.sh nix: Add --expr flag 2019-11-27 00:05:30 +01:00
search.nix
search.sh Revive 'nix search' 2020-04-20 15:27:09 +02:00
secure-drv-outputs.nix
secure-drv-outputs.sh
setuid.nix Merge remote-tracking branch 'origin/master' into flakes 2019-11-06 10:56:33 +01:00
shell-hello.nix rename run to shell in tests 2020-05-01 12:17:53 +02:00
shell.nix nix develop: Support derivations with multiple outputs 2020-07-06 18:34:58 +02:00
shell.sh rename run to shell in tests 2020-05-01 12:17:53 +02:00
shell.shebang.rb Hardcodes nix-shell instead of /usr/bin/env nix-shell... 2018-04-09 09:36:54 -04:00
shell.shebang.sh
signing.sh Add a test for signed content-addressed paths 2018-09-25 22:18:52 -04:00
simple.builder.sh
simple.nix
simple.sh
structured-attrs.nix Fix derivation computation with __structuredAttrs and multiple outputs 2020-01-21 21:14:13 +01:00
structured-attrs.sh build-remote.sh: Test LegacySSHStore 2020-06-25 18:42:55 +02:00
tarball.sh Merge legacy fetchGit-builtin with the generic fetchTree-function 2020-07-28 00:44:39 +02:00
timeout.nix
timeout.sh timeout: test for error code 2019-07-02 11:18:36 -04:00
user-envs.builder.sh
user-envs.nix
user-envs.sh Remove world-writability from per-user directories 2019-10-09 23:34:48 +02:00