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* Allow a known hash to be specified.

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svn path=/nixpkgs/trunk/; revision=1892
This commit is contained in:
Eelco Dolstra 2004-12-17 11:04:18 +00:00
parent 2a3f5188b5
commit 60e7948db1
1 changed files with 28 additions and 20 deletions
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8
pkgs/build-support/fetchsvn/nix-prefetch-svn
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@ -2,6 +2,7 @@
url=$1 url=$1
rev=$2 rev=$2
hash=$3
if test -z "$url"; then if test -z "$url"; then
echo "syntax: nix-prefetch-svn URL [REVISION]" >&2 echo "syntax: nix-prefetch-svn URL [REVISION]" >&2
@ -10,6 +11,9 @@ fi
test -n "$rev" || rev="HEAD" test -n "$rev" || rev="HEAD"
# Determine the hash, unless it was given.
if test -z "$hash"; then
# !!! hacky; we should have a way to query the location of the store. # !!! hacky; we should have a way to query the location of the store.
if storeDir=$(which nix-store); then if storeDir=$(which nix-store); then
storeDir=$(dirname $(dirname "$storeDir"))/store storeDir=$(dirname $(dirname "$storeDir"))/store
@ -31,6 +35,8 @@ echo "hash is $hash" >&2
tmpPath2=$storeDir/svn-checkout-tmp-$hash tmpPath2=$storeDir/svn-checkout-tmp-$hash
test -e $tmpPath2 || mv $tmpPath1 $tmpPath2 # !!! race test -e $tmpPath2 || mv $tmpPath1 $tmpPath2 # !!! race
fi
# Create a Nix expression that does a fetchsvn. # Create a Nix expression that does a fetchsvn.
nixExpr=$(dirname $(readlink -f $0))/../../system/i686-linux.nix nixExpr=$(dirname $(readlink -f $0))/../../system/i686-linux.nix
storeExpr=$( \ storeExpr=$( \
@ -42,7 +48,9 @@ finalPath=$(nix-store -qnB --force-realise $storeExpr)
echo "path is $finalPath" >&2 echo "path is $finalPath" >&2
if test -n "$tmpPath2"; then
rm -rf $tmpPath2 || true rm -rf $tmpPath2 || true
fi
echo $hash echo $hash