Fix of sporadic make error 141.

Makefile

@@ -55,6 +55,9 @@ JPEEK = /opt/app/jpeek.jar
 # Options for all Java processes
 JAVA_OPTS=-Xmx128m
 
+# defines rules and symbols for formatting numeric information
+LC_NUMERIC=C
+
 # Make all variables from this Makefile visible in all steps/*.sh
 export
 

help/check-make.sh

@@ -24,7 +24,7 @@
 set -e
 set -o pipefail
 
-make_version=$(make --version | head -n1 | cut -d' ' -f3)
+make_version=$(make --version | awk 'NR==1 {print $3}')
 make_version_int=$(echo "${make_version}" | cut -d'.' -f1)
 
 if [ "${make_version_int}" -lt 4 ]; then

metrics/aocih.sh

@@ -31,12 +31,16 @@ age_in_hours=0
 cd "$(dirname "${java_file}")"
 
 if git status > /dev/null 2>&1; then
-    repo_first_commit=$(git log --reverse --format=%at | head -1)
-    file_first_commit=$(git log --diff-filter=A --format=%at -- "$java_file" | tail -1)
-    if [[ -n "$file_first_commit" ]]; then
+    repo_first_commit=$(git log --reverse --format=%at | head -n 1 || true)
+    file_first_commit=$(git log --diff-filter=A --format=%at -- "$java_file" | tail -n 1 || true)
+    if [[ -n "$repo_first_commit" && -n "$file_first_commit" ]]; then
         age_in_seconds=$((file_first_commit - repo_first_commit))
         age_in_hours=$((age_in_seconds / 3600))
+    else
+        echo "Warning: Unable to calculate commit age for $java_file" >&2
     fi
+else
+    echo "Error: Not a Git repository or unable to access it." >&2
 fi
 
 echo "AoCiH $age_in_hours Age of Class in Hours" > "$output"

tests/steps/test-discover-repos.sh

@@ -32,7 +32,7 @@ tex=${TARGET}/foo.tex
     rm -f "${csv}"
     msg=$("${LOCAL}/steps/discover-repos.rb" --dry --pause=0 --total=3 --page-size=1 --min-stars=100 --max-stars=1000 "--csv=${csv}"  "--tex=${tex}")
     echo "${msg}"
-    echo "${msg}" | grep "Completed querying for year 2024. Found 3 repositories so far."
+    echo "${msg}" | grep "Completed querying for year $(date +%Y). Found 3 repositories so far."
     echo "${msg}" | grep "Found 3 total repositories in GitHub"
     test -e "${csv}"
     test -s "${tex}"

tex/report.bib

@@ -161,7 +161,7 @@ @article{bieman1995cohesion
 
 @misc{dohmke2023,
   author = {Dohmke, Thomas},
-  howpublished = {\url{https://github.blog/2023-01-25-100-million-developers-and-counting/}},
+  howpublished = {\url{https://shorturl.at/oWGK4}},
   note = {[Online; accessed 13-03-2024]},
   title = {{100 Million Developers and Counting}},
   year = {2023},