merge-tree: add comments to clarify what these functions are doing

diff --git a/contrib/hooks/post-receive-email b/contrib/hooks/post-receive-email
index ba077c13f96779d5b29237e83974b0910b4bbdde..b2171a092eafef4cf1e5e1abfa37695a0c111927 100755 (executable)
--- a/contrib/hooks/post-receive-email
+++ b/contrib/hooks/post-receive-email
@@ -85,7 +85,6 @@ prep_for_email()
        oldrev=$(git rev-parse $1)
        newrev=$(git rev-parse $2)
        refname="$3"
-       maxlines=$4
 
        # --- Interpret
        # 0000->1234 (create)
@@ -404,7 +403,7 @@ generate_update_branch_email()
                        echo "            \\"
                        echo "             O -- O -- O ($oldrev)"
                        echo ""
-                       echo "The removed revisions are not necessarilly gone - if another reference"
+                       echo "The removed revisions are not necessarily gone - if another reference"
                        echo "still refers to them they will stay in the repository."
                        rewind_only=1
                else
@@ -461,7 +460,7 @@ generate_delete_branch_email()
 {
        echo "       was  $oldrev"
        echo ""
-       echo $LOGEND
+       echo $LOGBEGIN
        git show -s --pretty=oneline $oldrev
        echo $LOGEND
 }
@@ -561,7 +560,7 @@ generate_delete_atag_email()
 {
        echo "       was  $oldrev"
        echo ""
-       echo $LOGEND
+       echo $LOGBEGIN
        git show -s --pretty=oneline $oldrev
        echo $LOGEND
 }
@@ -626,7 +625,7 @@ generate_delete_general_email()
 {
        echo "       was  $oldrev"
        echo ""
-       echo $LOGEND
+       echo $LOGBEGIN
        git show -s --pretty=oneline $oldrev
        echo $LOGEND
 }