Update git info

.github/workflows/build.yaml

@@ -20,6 +20,11 @@ jobs:
     steps:
       - name: Set up Git repository
         uses: actions/checkout@v2
+        with:
+          fetch-depth: "0"
+
+      - name: Update git info
+        run: ./update-git-info.sh
 
       - name: Compile inlay
         uses: xu-cheng/latex-action@v2

inlay.sty

@@ -29,7 +29,7 @@
     \subject{Freitag Agenda Inlay}
     \title{#1}
     \author{Christian Häusler}
-    \date{\gitDescribe~\gitAuthorIsoDate}
+    \date{\gitFirstTagDescribe~\gitAuthorIsoDate}
     \publishers{https://github.com/corvus-ch/freitag-inlay}
     \clearpage
     \maketitle

update-git-info.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+# Copyright 2015 Brent Longborough
+# Part of gitinfo2 package Version 2
+# Release 2.0.7 2015-11-22
+# Please read gitinfo2.pdf for licencing and other details
+# -----------------------------------------------------
+# Post-{commit,checkout,merge} hook for the gitinfo2 package
+#
+# Get the first tag found in the history from the current HEAD
+FIRSTTAG=$(git describe --tags --always --dirty='-*' 2>/dev/null)
+# Get the first tag in history that looks like a Release
+RELTAG=$(git describe --tags --long --always --dirty='-*' --match 'v*' 2>/dev/null)
+# Hoover up the metadata
+git --no-pager log -1 --date=short --decorate=short \
+    --pretty=format:"\usepackage[%
+        shash={%h},
+        lhash={%H},
+        authname={%an},
+        authemail={%ae},
+        authsdate={%ad},
+        authidate={%ai},
+        authudate={%at},
+        commname={%cn},
+        commemail={%ce},
+        commsdate={%cd},
+        commidate={%ci},
+        commudate={%ct},
+        refnames={%d},
+        firsttagdescribe={$FIRSTTAG},
+        reltag={$RELTAG}
+    ]{gitexinfo}" HEAD > .git/gitHeadInfo.gin