Added git info script

.gitea/workflows/build_pdf.yaml

@@ -10,6 +10,7 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@v4
       - run: echo "The ${{ gitea.repository }} repository has been cloned to the runner."
+      - run: create_git_info_file.sh
       - run: echo "Starting first LaTeX build"
       - run: pdflatex fat.tex
       - run: echo "Starting second LaTeX build"

create_git_info_file.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+# 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 '[0-9]*.*' 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