* A quick hack to make nix-prefetch-url support mirror:// URLs. It

requires that $NIXPKGS_ALL points at a Nixpkgs tree.
This commit is contained in:
Eelco Dolstra 2008-07-23 16:02:58 +00:00
parent 660244f65f
commit 096198d11f

View file

@ -37,6 +37,7 @@ fi
mkTempDir() {
if test -n "$tmpPath"; then return; fi
local i=0
while true; do
if test -z "$TMPDIR"; then TMPDIR=/tmp; fi
@ -64,6 +65,27 @@ doDownload() {
}
# Hack to support the mirror:// scheme from Nixpkgs.
if test "${url:0:9}" = "mirror://"; then
if test -z "$NIXPKGS_ALL"; then
echo "Resolving mirror:// URLs requires Nixpkgs. Please point \$NIXPKGS_ALL at a Nixpkgs tree." >&2
exit 1
fi
mkTempDir
nix-build "$NIXPKGS_ALL" -A resolveMirrorURLs --argstr url "$url" -o $tmpPath/urls > /dev/null
expanded=($(cat $tmpPath/urls))
if test "${#expanded[*]}" = 0; then
echo "$0: cannot resolve $url." >&2
exit 1
fi
echo "$url expands to ${expanded[*]} (using ${expanded[0]})" >&2
url="${expanded[0]}"
fi
# If we don't know the hash or a file with that hash doesn't exist,
# download the file and add it to the store.
if test -z "$finalPath"; then