1 files changed, 64 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/applications/science/misc/openmodelica/update-src-libs-git.sh b/nixpkgs/pkgs/applications/science/misc/openmodelica/update-src-libs-git.sh
new file mode 100755
index 000000000000..481a89796415
--- /dev/null
+++ b/nixpkgs/pkgs/applications/science/misc/openmodelica/update-src-libs-git.sh
@@ -0,0 +1,64 @@
+#!/bin/sh
+
+CWD=`pwd`
+
+chko() { (
+T=`mktemp -d`
+trap "rm -rf $T" EXIT INT PIPE
+cd $T
+cat >check.nix <<EOF
+with import <nixpkgs> {};
+fetchgit `cat $CWD/src-main.nix`
+EOF
+nix-build check.nix
+cat result/libraries/Makefile.libs
+) }
+
+getsha256() { (
+T=`mktemp -d`
+trap "rm -rf $T" EXIT INT PIPE
+cd $T
+
+L=`echo $2 | wc -c`
+if expr $L '<' 10 >/dev/null; then
+T=`echo $2 | sed 's@"\(.*\)"@"refs/tags/\1"@'`
+cat >check.nix <<EOF
+with import <nixpkgs> {};
+fetchgit {
+  url = $1;
+  rev = $T;
+  sha256 = "0000000000000000000000000000000000000000000000000000";
+}
+EOF
+SHA=`nix-build check.nix 2>&1 | sed -n 's/.*instead has ‘\(.*\)’.*/\1/g p'`
+echo "{ url = $1; rev = $T; sha256=\"$SHA\"; }"
+else
+cat >check.nix <<EOF
+with import <nixpkgs> {};
+fetchgit {
+  url = $1;
+  rev = $2;
+  sha256 = "0000000000000000000000000000000000000000000000000000";
+}
+EOF
+SHA=`nix-build check.nix 2>&1 | sed -n 's/.*instead has ‘\(.*\)’.*/\1/g p'`
+echo "{ url = $1; rev = $2; sha256=\"$SHA\"; }"
+fi
+
+# nix-build check.nix
+) }
+
+OUT=src-libs-git.nix
+
+echo '[' > $OUT
+
+chko |
+grep checkout-git.sh |
+tr \' \" |
+while read NM TGT URL BR REV ; do
+  echo Trying $TGT $URL $REV >&2
+  getsha256 $URL $REV >> $OUT || exit 1
+done
+
+echo ']' >> $OUT
+