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Handle invalid references

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This commit is contained in:
Kirill Elagin 2012-06-07 18:01:07 +04:00 committed by Eelco Dolstra
parent ba766ebcf4
commit 1be62b87fe
1 changed files with 2 additions and 4 deletions
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6
pkgs/build-support/fetchgit/nix-prefetch-git
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@ -189,21 +189,19 @@ clone(){
clone_user_rev() { clone_user_rev() {
local dir="$1" local dir="$1"
local url="$2" local url="$2"
local rev="$3" local rev="${3:-HEAD}"
# Perform the checkout. # Perform the checkout.
case "$rev" in case "$rev" in
HEAD|refs/*) HEAD|refs/*)
clone "$dir" "$url" "" "$rev" 1>&2;; clone "$dir" "$url" "" "$rev" 1>&2;;
[0-9a-f]*) *)
if test -z "$(echo $rev | tr -d 0123456789abcdef)"; then if test -z "$(echo $rev | tr -d 0123456789abcdef)"; then
clone "$dir" "$url" "$rev" "" 1>&2; clone "$dir" "$url" "$rev" "" 1>&2;
else else
echo 1>&2 "Bad commit hash or bad reference."; echo 1>&2 "Bad commit hash or bad reference.";
exit 1; exit 1;
fi;; fi;;
"")
clone "$dir" "$url" "" "HEAD" 1>&2;;
esac esac
# Allow doing additional processing before .git removal # Allow doing additional processing before .git removal