fetchgit -> prefetch

1 files changed, 0 insertions, 88 deletions

diff --git a/bin/fetchgit b/bin/fetchgit
deleted file mode 100755
index 5c230ae..0000000
--- a/bin/fetchgit
+++ /dev/null
@@ -1,88 +0,0 @@
-#! /bin/sh
-#
-# usage: fetchgit repo_name out_link
-#
-# Make the specified repository available as out_link.
-#
-set -euf
-
-repo_name=$1
-out_link=$2
-
-if test "$repo_name" != nixpkgs; then
-  echo "fetchgit: cannot fetch $repo_name, yet" >&2
-  exit -1
-fi
-
-git_rev=$(nixos-query nixpkgs.rev)
-git_url=$(nixos-query nixpkgs.url)
-dirty=$(nixos-query nixpkgs.dirty)
-
-case $dirty in true)
-  ln -snf "$git_url" "$out_link"
-  echo "fetchgit: using $git_url as it is" >&2
-  exit
-esac
-
-# Put all bases in the same place as out_link.
-# Notice how out_link must not clash with cache_dir and work_dir.
-cache_base=$(dirname "$out_link")
-work_base=$(dirname "$out_link")
-
-# cache_dir points to a (maybe non-existent) directory, where a shared cache of
-# the repository should be maintained.  The shared cache is used to create
-# multiple working trees of the repository.
-cache_dir=$cache_base/$(echo "$git_url" | urlencode)
-
-# work_dir points to a (maybe non-existent) directory, where a specific
-# revision of the repository is checked out.
-work_dir=$work_base/$(echo "$git_rev" | urlencode)
-
-cache_git() {
-  git --git-dir="$cache_dir" "$@"
-}
-
-work_git() {
-  git -C "$work_dir" "$@"
-}
-
-is_up_to_date() {
-  test -d "$cache_dir" &&
-  test -d "$work_dir" &&
-  test "$(cache_git rev-parse --verify "$git_rev")" = "$git_rev" &&
-  test "$(work_git rev-parse --verify HEAD)" = "$git_rev"
-}
-
-# Notice how the remote name "origin" has been chosen arbitrarily, but must be
-# kept in sync with the default value of nixpkgs.rev.
-if ! is_up_to_date; then
-  if ! test -d "$cache_dir"; then
-    mkdir -p "$cache_dir"
-    cache_git init --bare
-  fi
-  if ! cache_git_url=$(cache_git config remote.origin.url); then
-    cache_git remote add origin "$git_url"
-  elif test "$cache_git_url" != "$git_url"; then
-    cache_git remote set-url origin "$git_url"
-  fi
-  cache_git fetch origin
-  if ! test -d "$work_dir"; then
-    git clone -n --shared "$cache_dir" "$work_dir"
-  fi
-  commit_name=$(cache_git rev-parse --verify "$git_rev")
-  work_git checkout "$commit_name" -- "$(readlink -f "$work_dir")"
-  work_git checkout -q "$commit_name"
-  work_git submodule init
-  work_git submodule update
-fi
-work_git clean -dxf
-
-# Relative links are nicer, and actually we know that work_dir and out_link are
-# the same.  But, for robustness, check anyway.. :)
-if test "$(dirname "$work_dir")" = "$(dirname "$out_link")"; then
-  ln -snf "$(basename "$work_dir")" "$out_link"
-else
-  ln -snf "$work_dir" "$out_link"
-fi
-
-echo "fetchgit: using $git_url $(work_git log --oneline -n1)" >&2