lockbox

commit b91b39a447b2ebb333d49558f61297f556c03b03
parent 9aeac99f42ac7d06e49a2b5a076a4687a2717336
Author: Sean Enck <sean@ttypty.com>
Date:   Tue, 20 Jul 2021 18:52:43 -0400

version info

Diffstat:
M
.gitignore
 | 
1
+
M
cmd/bash/completions.bash
 | 
2
+-
M
cmd/lb/main.go
 | 
2
++
M
configure
 | 
8
+++++++-
A
version.sh
 | 
33
+++++++++++++++++++++++++++++++++

5 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -1,2 +1,3 @@
 bin/
 Makefile
+generated.go
diff --git a/cmd/bash/completions.bash b/cmd/bash/completions.bash
@@ -4,7 +4,7 @@ _lb() {
     local cur opts
     cur=${COMP_WORDS[COMP_CWORD]}
     if [ $COMP_CWORD -eq 1 ]; then
-        opts="ls clip show -c insert rm rekey totp list pwgen stats"
+        opts="version ls clip show -c insert rm rekey totp list pwgen stats"
         COMPREPLY=( $(compgen -W "$opts" -- $cur) )
     else
         if [ $COMP_CWORD -eq 2 ]; then
diff --git a/cmd/lb/main.go b/cmd/lb/main.go
@@ -113,6 +113,8 @@ func main() {
 		for _, f := range files {
 			fmt.Println(f)
 		}
+	case "version":
+		fmt.Printf("version: %s (%s)\n", internal.Version, internal.BuiltOn)
 	case "insert":
 		multi := false
 		idx := 2
diff --git a/configure b/configure
@@ -7,6 +7,7 @@ STATS_ON=1
 DIFF_ON=1
 APPS=(lb lb-rekey lb-rw)
 BIN_PATH="bin/"
+GENERATED="internal/generated.go"
 
 for i in "$@"; do
     case $i in
@@ -57,10 +58,15 @@ _generate() {
     echo "# Autogenerated file
 FLAGS  := -ldflags '-linkmode external -extldflags \$(LDFLAGS) -w' -trimpath -buildmode=pie -mod=readonly -modcacherw
 
-all: ${binapps[@]}
+all: prep ${binapps[@]}
+
+prep:
+    mkdir -p $BIN_PATH
+    ./version.sh $GENERATED ${BIN_PATH}generated.go
 
 clean:
     rm -rf $BIN_PATH
+    rm -f $GENERATED
 "
 
     cnt=0
diff --git a/version.sh b/version.sh
@@ -0,0 +1,33 @@
+#!/bin/bash
+GEN=$1
+VERS=$2
+VERS_NAME="Version"
+_version_info() {
+    echo "// Version is the hash/version info for lb"
+    git log -n 1 --format=%h | sed 's/^/'$VERS_NAME' = "/g;s/$/"/g'
+    echo "// BuiltOn is the date lb was built"
+    date "+%Y-%m-%dT%H:%M%S" | sed 's/^/BuiltOn = "/g;s/$/"/g'
+}
+
+_version() {
+    echo "package internal
+
+const ("
+    _version_info | sed 's/^/\t/g'
+    echo ")"
+}
+
+_getvers() {
+    cat $1 | grep "$VERS_NAME =" | awk '{print $3}'
+}
+
+_version > $VERS
+if [ -e $GEN ]; then
+    OLDVERS=$(_getvers $GEN)
+    NEWVERS=$(_getvers $VERS)
+    if [[ "$NEWVERS" == "$OLDVERS" ]]; then
+        rm -f $VERS
+        exit 0
+    fi
+fi
+mv $VERS $GEN