minor improvements

[buildscripts] / go

diff --git a/go b/go
index 9175d0cd00c5496e9cad49abb2fcfdf11efab699..eb86add76d56653f26c924a8a23490657add80fa 100755 (executable)
--- a/go
+++ b/go
@@ -13,39 +13,48 @@ m() { printf "$pre %s\n"  "$*"; "$@"; }
 e() { printf "$pre %s\n"  "$*"; }
 err() { echo "[$(date +'%Y-%m-%d %H:%M:%S%z')]: $0: $*" >&2; }
 
+
 m cd /a/opt/go.git
-m git fetch
-vers=($(git tag | sort -Vr | grep -E '^go[0-9.]+$' | head))
-
-ver=${vers[0]}
-dl() {
-  arch=$(dpkg --print-architecture)
-  f=${ver}.linux-${arch}.tar.gz
-
-  if [[ -e $f ]]; then
-    timestamp=$(stat -c %Y $f)
-  else
-    timestamp=0
-  fi
-  m wget -N https://dl.google.com/go/$f || ret=$?
-}
-dl
-# 8 is return code for 404. for a new release, they might not have a binary out yet
-if [[ $ret == 8 ]]; then
-  ver=${vers[1]}
+# don't check for updates on go more than once a day
+yesterday=$(( $(date +%s) - 60*60*24 ))
+if (( $(stat -c %Y FETCH_HEAD) < yesterday )); then
+  m git fetch
+  touch ~/.local/gofetch
+
+  vers=($(git tag | sort -Vr | grep -E '^go[0-9.]+$' | head))
+
+  ver=${vers[0]}
+  dl() {
+    arch=$(dpkg --print-architecture)
+    f=${ver}.linux-${arch}.tar.gz
+
+    if [[ -e $f ]]; then
+      timestamp=$(stat -c %Y $f)
+    else
+      timestamp=0
+    fi
+    m wget -N https://dl.google.com/go/$f || ret=$?
+  }
   dl
-fi
+  # 8 is return code for 404. for a new release, they might not have a binary out yet
+  if [[ $ret == 8 ]]; then
+    ver=${vers[1]}
+    dl
+  fi
+
+  new_timestamp=$(stat -c %Y $f)
+  if [[ $timestamp != $new_timestamp || ! -e /usr/local/go/bin/go ]]; then
+    m sudo rm -rf /usr/local/go
+    m sudo tar -C /usr/local -xzf $f
+  fi
+
+  shopt -s nullglob
+  for x in go*.tar.gz; do
+    if [[ $x == $f ]]; then continue; fi
+    rm -fv $x
+  done
 
-new_timestamp=$(stat -c %Y $f)
-if [[ $timestamp != $new_timestamp || ! -e /usr/local/go/bin/go ]]; then
-  m sudo rm -rf /usr/local/go
-  m sudo tar -C /usr/local -xzf $f
 fi
 
-shopt -s nullglob
-for x in go*.tar.gz; do
-  if [[ $x == $f ]]; then continue; fi
-  rm -fv $x
-done
 
 go get -u mvdan.cc/fdroidcl