Add built-date to version command (#636)

* Add built-date to version command
* Update makefile to avoid parse date and revision from bin
* Force UTC timezone for date command

Makefile

@@ -103,6 +103,8 @@ build:
 	@echo "-antigen-env-setup" >> ${TARGET}
 	@echo "${VERSION}" > ${VERSION_FILE}
 	@$(call ised,"s/{{ANTIGEN_VERSION}}/$$(cat ${VERSION_FILE})/",${TARGET})
+	@$(call ised,"s/{{ANTIGEN_REVISION}}/$$(git log -n1 --format=%h -- . ':(exclude)bin')/",${TARGET})
+	@$(call ised,"s/{{ANTIGEN_REVISION_DATE}}/$$(TZ=UTC date -d @$$(git log -n1 --format='%at' -- . ':(exclude)bin') '+%F %T %z')/",${TARGET})
 ifeq (${WITH_DEBUG}, no)
 	@$(call isede,"s/ (WARN|LOG|ERR|TRACE) .*&//",${TARGET})
 	@$(call isede,"/ (WARN|LOG|ERR|TRACE) .*/d",${TARGET})

Makefile.in

@@ -91,6 +91,8 @@ build:
 	@echo "-antigen-env-setup" >> ${TARGET}
 	@echo "${VERSION}" > ${VERSION_FILE}
 	@$(call ised,"s/{{ANTIGEN_VERSION}}/$$(cat ${VERSION_FILE})/",${TARGET})
+	@$(call ised,"s/{{ANTIGEN_REVISION}}/$$(git log -n1 --format=%h -- . ':(exclude)bin')/",${TARGET})
+	@$(call ised,"s/{{ANTIGEN_REVISION_DATE}}/$$(TZ=UTC date -d @$$(git log -n1 --format='%at' -- . ':(exclude)bin') '+%F %T %z')/",${TARGET})
 ifeq (${WITH_DEBUG}, no)
 	@$(call isede,"s/ (WARN|LOG|ERR|TRACE) .*&//",${TARGET})
 	@$(call isede,"/ (WARN|LOG|ERR|TRACE) .*/d",${TARGET})

bin/antigen.zsh

@@ -1383,13 +1383,11 @@ antigen-use () {
   fi
 }
 antigen-version () {
-  local version="develop"
-  local extensions revision=""
-  if [[ -d $_ANTIGEN_INSTALL_DIR/.git ]]; then
-    revision=" ($(git --git-dir=$_ANTIGEN_INSTALL_DIR/.git rev-parse --short '@'))"
-  fi
+  local extensions
+
+  printf "Antigen %s (%s)\nRevision date: %s\n" "develop" "2f87993" "2017-12-31 02:09:55 +0000"
 
-  printf "Antigen %s%s\n" $version $revision
+  # Show extension information if any is available
   if (( $+functions[antigen-ext] )); then
     typeset -a extensions; extensions=($(antigen-ext-list))
     if [[ $#extensions -gt 0 ]]; then

src/commands/version.zsh

@@ -1,11 +1,9 @@
 antigen-version () {
-  local version="{{ANTIGEN_VERSION}}"
-  local extensions revision=""
-  if [[ -d $_ANTIGEN_INSTALL_DIR/.git ]]; then
-    revision=" ($(git --git-dir=$_ANTIGEN_INSTALL_DIR/.git rev-parse --short '@'))"
-  fi
+  local extensions
+
+  printf "Antigen %s (%s)\nRevision date: %s\n" "{{ANTIGEN_VERSION}}" "{{ANTIGEN_REVISION}}" "{{ANTIGEN_REVISION_DATE}}"
 
-  printf "Antigen %s%s\n" $version $revision
+  # Show extension information if any is available
   if (( $+functions[antigen-ext] )); then
     typeset -a extensions; extensions=($(antigen-ext-list))
     if [[ $#extensions -gt 0 ]]; then

tests/version.t

@@ -2,6 +2,8 @@ Antigen version command.
 
   $ antigen-version
   Antigen * (glob)
+  Revision date: * (glob)
 
   $ antigen version
   Antigen * (glob)
+  Revision date: * (glob)