commit 63589b8551a585749f7068b733a048d7c1d85ae8
author Zhiyi Zhang <zhiyi@cs.ucla.edu> Sat Oct 10 10:27:09 2020 -0700
committer Zhiyi Zhang <zhiyi@cs.ucla.edu> Mon Oct 26 10:12:15 2020 -0700
tree 8395be22a7ce4061a2ffd2f2e270e2bbee5f7df8
parent 0e948fcfc5441a872e642fd34905b79964ffc91a

Add build system, basic docs and crypto helpers module

Change-Id: I761cde5adac85596c5a3a53ec3e94a9a81fb5416

.jenkins.d/util.sh

diff --git a/.jenkins.d/util.sh b/.jenkins.d/util.sh
new file mode 100644
index 0000000..8077a74
--- /dev/null
+++ b/.jenkins.d/util.sh
@@ -0,0 +1,39 @@
+has() {
+    local saved_xtrace
+    [[ $- == *x* ]] && saved_xtrace=-x || saved_xtrace=+x
+    set +x
+
+    local p=$1
+    shift
+    local i ret=1
+    for i in "$@"; do
+        if [[ "${i}" == "${p}" ]]; then
+            ret=0
+            break
+        fi
+    done
+
+    set ${saved_xtrace}
+    return ${ret}
+}
+export -f has
+
+sudo_preserve_env() {
+    local saved_xtrace
+    [[ $- == *x* ]] && saved_xtrace=-x || saved_xtrace=+x
+    set +x
+
+    local vars=()
+    while [[ $# -gt 0 ]]; do
+        local arg=$1
+        shift
+        case ${arg} in
+            --) break ;;
+            *)  vars+=("${arg}=${!arg}") ;;
+        esac
+    done
+
+    set ${saved_xtrace}
+    sudo env "${vars[@]}" "$@"
+}
+export -f sudo_preserve_env