Add warning to use checkout with fetch-depth

SHA1SUM

@@ -1 +1 @@
-48ad4d9f3dfd0dd194804c8b7207f03cdcc7e94f  codecov
+4407b6151fd9a65b5e25ca9cfe026018f2d0a042  codecov

SHA256SUM

@@ -1 +1 @@
-4792a0946df31cd69770156f3172f9ca1c3c318c5c9ab8bb5846eed2987cf77e  codecov
+c8268e963fc51044d8508a7468671e7ea76288c93fb4a2b701c8a7748bcc725b  codecov

SHA512SUM

@@ -1 +1 @@
-f665ab465163bbc54a86b1e46b7cdbdaaba31044f09570ed74891666e53a810fb732dbaaca3c414609f30be6c284a1d9ec017def43ea171b550d3c3eeb3d2c41  codecov
+556ab0b5e63683a1083941282f43d9d7e08273385f750e19b5623047e95aa159564926f3a1de85addfe3af07bccb2f065d0eefad65b1b6ef7cec1a8921913e59  codecov

codecov

@@ -474,20 +474,20 @@ say "
 # git/hg
 if [ -x "$(command -v git)" ];
 then
-  say "   $(git --version) found"
+  say "$b==>$x $(git --version) found"
 else
   say "$y==>$x git not installed, testing for mercurial"
   if [ -x "$(command -v hg)" ];
   then
-    say "   $(hg --version) found"
+    say "$b==>$x $(hg --version) found"
   else
     say "$r==>$x git nor mercurial are installed. Uploader may fail or have unintended consequences"
   fi
 fi
 # curl
 if [ -x "$(command -v curl)" ];
 then
-  say "   $(curl --version) found"
+  say "$b==>$x $(curl --version)"
 else
   say "$r==>$x curl not installed. Exiting."
   exit ${exit_with};
@@ -837,6 +837,7 @@ then
   slug="${GITHUB_REPOSITORY}"
   build="${GITHUB_RUN_ID}"
   build_url=$(urlencode "http://github.com/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}")
+  job="${GITHUB_WORKFLOW}"
 
   # actions/checkout runs in detached HEAD
   mc=
@@ -849,6 +850,9 @@ then
     mc=$(echo "$mc" | cut -d' ' -f2)
     say "    Fixing merge commit SHA $commit -> $mc"
     commit=$mc
+  elif [[ "$mc" = "" ]];
+  then
+    say "$r->  Issue detecting commit SHA. Please run actions/checkout with fetch-depth > 1 or set to 0$x"
   fi
 
 elif [ "$SYSTEM_TEAMFOUNDATIONSERVERURI" != "" ];