nixpkgs/pkgs/build-support/fetchgit/builder.sh

# tested so far with:
# - no revision specified and remote has a HEAD which is used
# - revision specified and remote has a HEAD
# - revision specified and remote without HEAD
#
if [ -e "$NIX_ATTRS_SH_FILE" ]; then . "$NIX_ATTRS_SH_FILE"; elif [ -f .attrs.sh ]; then . .attrs.sh; fi
source $stdenv/setup

echo "exporting $url (rev $rev) into $out"

$SHELL $fetcher --builder --url "$url" --out "$out" --rev "$rev" \
  ${leaveDotGit:+--leave-dotGit} \
  ${fetchLFS:+--fetch-lfs} \
  ${deepClone:+--deepClone} \
  ${fetchSubmodules:+--fetch-submodules} \
  ${sparseCheckout:+--sparse-checkout "$sparseCheckout"} \
  ${nonConeMode:+--non-cone-mode} \
  ${branchName:+--branch-name "$branchName"}

runHook postFetch
fetchgit builder to handle broken remotes without a HEAD svn path=/nixpkgs/trunk/; revision=27521 2011-06-22 19:34:27 +00:00			`# tested so far with:`
			`# - no revision specified and remote has a HEAD which is used`
			`# - revision specified and remote has a HEAD`
fetchgit builder comment: can handle remotes without HEAD thx civodul for bringing it up and testing svn path=/nixpkgs/trunk/; revision=27523 2011-06-22 21:01:36 +00:00			`# - revision specified and remote without HEAD`
treewide: source .attrs in builders if theres a source $stdenv then this is needed for structuredAttrs 2022-12-07 23:51:03 +00:00			`#`
treewide: refactor `.attrs.sh` detection When specifying the `builder` attribute in `stdenv.mkDerivation`, this will be effectively transformed into builtins.derivation { builder = stdenv.shell; args = [ "-e" builder ]; } This also means that `default-builder.sh` is never sourced and as a result it's not guaranteed that `$NIX_ATTRS_SH_FILE` is set to a correct location[1]. Also, we need to source `.attrs.sh` to source `$stdenv`. So, the following is done now: * If `$NIX_ATTRS_SH_FILE` points to a correct location, then use it. Directly using `.attrs.sh` is problematic for `nix-shell(1)` usage (see previous commit for more context), so prefer the environment variable if possible. * Otherwise, if `.attrs.sh` exists, then use it. See [1] for when this can happen. * If neither applies, it can be assumed that `__structuredAttrs` is turned off and thus nothing needs to be done. [1] It's possible that it doesn't exist at all - in case of Nix 2.3 or it can point to a wrong location on older Nix versions with a bug in `__structuredAttrs`. 2023-09-28 13:09:26 +00:00			`if [ -e "$NIX_ATTRS_SH_FILE" ]; then . "$NIX_ATTRS_SH_FILE"; elif [ -f .attrs.sh ]; then . .attrs.sh; fi`
* fetchgit and nix-prefetch-git svn path=/nixpkgs/trunk/; revision=16035 2009-06-24 12:48:01 +00:00			`source $stdenv/setup`

treewide: remove usages of header and stopNest they're obsolete 2023-01-15 22:08:12 +00:00			`echo "exporting $url (rev $rev) into $out"`
* fetchgit and nix-prefetch-git svn path=/nixpkgs/trunk/; revision=16035 2009-06-24 12:48:01 +00:00
Use the nix provided shell. This is guaranteed to be bash, SmartOS has ksh by default and doesn't work. 2013-12-21 12:48:06 +00:00			`$SHELL $fetcher --builder --url "$url" --out "$out" --rev "$rev" \`
fetchgit: Implement option to not check out submodules. 2014-03-23 16:19:39 +00:00			`${leaveDotGit:+--leave-dotGit} \`
fetchgit: add lfs support 2020-12-05 07:32:48 +00:00			`${fetchLFS:+--fetch-lfs} \`
fetchgit: add 'deepClone' argument to disable shallow fetching This patch resolves https://github.com/NixOS/nixpkgs/issues/6395. Deep cloning is useful in combination with 'leaveDotGit' for builds that want to run "git describe" to obtain a proper version string, etc., like the 'haskellngPackages.cabal2nix' package does. 2015-03-10 11:40:19 +00:00			`${deepClone:+--deepClone} \`
fetchgit: Add support for specifying branch name This is useful when `leaveDotGit = true` and some other derivation expects some branch name to exist. Previously, `nix-prefetch-git` always created a branch with a hard-coded name (`fetchgit`). 2015-04-20 12:25:14 +00:00			`${fetchSubmodules:+--fetch-submodules} \`
fetchgit: Support sparse checkout This allow git checkout small parts of a large repo, and avoid fetching unnecessary blobs from server. 2021-08-27 08:25:20 +00:00			`${sparseCheckout:+--sparse-checkout "$sparseCheckout"} \`
fetchgit: allow disabling cone mode for sparse checkouts, fix test 2022-08-04 19:26:03 +00:00			`${nonConeMode:+--non-cone-mode} \`
fetchgit: Add support for specifying branch name This is useful when `leaveDotGit = true` and some other derivation expects some branch name to exist. Previously, `nix-prefetch-git` always created a branch with a hard-coded name (`fetchgit`). 2015-04-20 12:25:14 +00:00			`${branchName:+--branch-name "$branchName"}`
* fetchgit and nix-prefetch-git svn path=/nixpkgs/trunk/; revision=16035 2009-06-24 12:48:01 +00:00
fetchgit: add postFetch argument 2017-06-03 18:45:51 +00:00			`runHook postFetch`