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Some fixes in nix-prefetch-git #8

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kirelagin wants to merge 2 commits into from
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Some fixes in nix-prefetch-git #8

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7d786f3
Do not use old way of setting `url` and `rev`
kirelagin Jun 7, 2012
61a640d
Handle invalid references
kirelagin Jun 7, 2012
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12 changes: 5 additions & 7 deletions pkgs/build-support/fetchgit/nix-prefetch-git
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
#! /bin/sh -e

url=$1
rev=$2
expHash=$3
url=
rev=
expHash=
hashType=$NIX_HASH_ALGO
deepClone=$NIX_PREFETCH_GIT_DEEP_CLONE
leaveDotGit=$NIX_PREFETCH_GIT_LEAVE_DOT_GIT
Expand Down Expand Up @@ -189,21 +189,19 @@ clone(){
clone_user_rev() {
local dir="$1"
local url="$2"
local rev="$3"
local rev="${3:-HEAD}"

# Perform the checkout.
case "$rev" in
HEAD|refs/*)
clone "$dir" "$url" "" "$rev" 1>&2;;
[0-9a-f]*)
*)
if test -z "$(echo $rev | tr -d 0123456789abcdef)"; then
clone "$dir" "$url" "$rev" "" 1>&2;
else
echo 1>&2 "Bad commit hash or bad reference.";
exit 1;
fi;;
"")
clone "$dir" "$url" "" "HEAD" 1>&2;;
esac

# Allow doing additional processing before .git removal
Expand Down