Replace unsetenv() and setenv() with older putenv().

diff --git a/git-whatchanged b/git-whatchanged
index 4a348ed263ea654792f7d4aaf851be84766a9609..85a49fcd8e7754cc37960c997a200b61c85892b4 100755 (executable)
--- a/git-whatchanged
+++ b/git-whatchanged
@@ -1,2 +1,7 @@
 #!/bin/sh
-git-rev-list HEAD | git-diff-tree --stdin -v -r "$@" | LESS="$LESS -S" ${PAGER:-less}
+rev_list_args=$(git-rev-parse --sq --default HEAD --revs-only "$@") &&
+diff_tree_args=$(git-rev-parse --sq --no-revs "$@") &&
+
+eval "git-rev-list $rev_list_args" |
+eval "git-diff-tree --stdin --pretty -r $diff_tree_args" |
+LESS="$LESS -S" ${PAGER:-less}