Refactoring.

diff --git a/server/functions b/server/functions
index 533bbd5..28ad90f 100644 (file)
--- a/server/functions
+++ b/server/functions
@@ -1,7 +1,7 @@
 #!/bin/sh
 
 # Sets: new_commits
-# Assumes: $oldrev, $newrev, and $refname
+# Assumes: $oldrev $newrev $refname
 #
 # This is for use in post receive hooks, as it assumes the refname has moved and
 # is now newrev, we need to discard it. This is down with bash string replace,
@@ -30,3 +30,48 @@ function set_new_commits() {
        new_commits=${new_commits/#$nl/}
 }
 
+# Sets: $change_type
+# Assumes: $oldrev $newrev
+#
+# --- Interpret
+# 0000->1234 (create)
+# 1234->2345 (update)
+# 2345->0000 (delete)
+function set_change_type() {
+       if [ "$oldrev" == "0000000000000000000000000000000000000000" ] ; then
+               change_type="create"
+       else
+               if [ "$newrev" == "0000000000000000000000000000000000000000" ] ; then
+                       change_type="delete"
+               else
+                       change_type="update"
+               fi
+       fi
+}
+
+# Sets: $newrev_type $oldrev_type $rev $rev_type
+# Assumes: $newrev $oldrev
+# --- Get the revision types
+function set_rev_types() {
+       newrev_type=$(git cat-file -t "$newrev" 2> /dev/null)
+       oldrev_type=$(git cat-file -t "$oldrev" 2> /dev/null)
+       if [ "$newrev" == "0000000000000000000000000000000000000000" ] ; then
+               rev_type="$oldrev_type"
+               rev="$oldrev"
+       else
+               rev_type="$newrev_type"
+               rev="$newrev"
+       fi
+}
+
+# Sets: $describe
+# Assumes: $rev
+#
+# The email subject will contain the best description of the ref that we can build from the parameters
+function set_describe() {
+       describe=$(git describe $rev 2>/dev/null)
+       if [ -z "$describe" ]; then
+               describe=$rev
+       fi
+}
+

diff --git a/server/post-receive-email b/server/post-receive-email
index cb536f5..4f1dcf4 100755 (executable)
--- a/server/post-receive-email
+++ b/server/post-receive-email
@@ -67,35 +67,9 @@ generate_email()
        newrev=$(git rev-parse $2)
        refname="$3"
 
-       # --- Interpret
-       # 0000->1234 (create)
-       # 1234->2345 (update)
-       # 2345->0000 (delete)
-       if expr "$oldrev" : '0*$' >/dev/null
-       then
-               change_type="create"
-       else
-               if expr "$newrev" : '0*$' >/dev/null
-               then
-                       change_type="delete"
-               else
-                       change_type="update"
-               fi
-       fi
-
-       # --- Get the revision types
-       newrev_type=$(git cat-file -t $newrev 2> /dev/null)
-       oldrev_type=$(git cat-file -t "$oldrev" 2> /dev/null)
-       case "$change_type" in
-       create|update)
-               rev="$newrev"
-               rev_type="$newrev_type"
-               ;;
-       delete)
-               rev="$oldrev"
-               rev_type="$oldrev_type"
-               ;;
-       esac
+       set_change_type
+       set_rev_types
+       set_describe
 
        # The revision type tells us what type the commit is, combined with
        # the location of the ref we can decide between
@@ -107,11 +81,13 @@ generate_email()
                refs/tags/*,commit)
                        # un-annotated tag
                        refname_type="tag"
+                       function="ltag"
                        short_refname=${refname##refs/tags/}
                        ;;
                refs/tags/*,tag)
                        # annotated tag
                        refname_type="annotated tag"
+                       function="atag"
                        short_refname=${refname##refs/tags/}
                        # change recipients
                        if [ -n "$announcerecipients" ]; then
@@ -121,6 +97,7 @@ generate_email()
                refs/heads/*,commit)
                        # branch
                        refname_type="branch"
+                       function="branch"
                        short_refname=${refname##refs/heads/}
                        ;;
                refs/remotes/*,commit)
@@ -154,28 +131,8 @@ generate_email()
                exit 0
        fi
 
-       # Email parameters
-       # The email subject will contain the best description of the ref
-       # that we can build from the parameters
-       describe=$(git describe $rev 2>/dev/null)
-       if [ -z "$describe" ]; then
-               describe=$rev
-       fi
-
        generate_email_header
-
-       # Call the correct body generation function
-       fn_name=general
-       case "$refname_type" in
-       "tracking branch"|branch)
-               fn_name=branch
-               ;;
-       "annotated tag")
-               fn_name=atag
-               ;;
-       esac
-       generate_${change_type}_${fn_name}_email
-
+       generate_${change_type}_${function}_email
        generate_email_footer
 }
 
@@ -538,29 +495,29 @@ generate_delete_atag_email()
 # Called when any other type of reference is created (most likely a
 # non-annotated tag)
 #
-generate_create_general_email()
+generate_create_ltag_email()
 {
        echo "        at  $newrev ($newrev_type)"
 
-       generate_general_email
+       generate_ltag_email
 }
 
 #
 # Called when any other type of reference is updated (most likely a
 # non-annotated tag)
 #
-generate_update_general_email()
+generate_update_ltag_email()
 {
        echo "        to  $newrev ($newrev_type)"
        echo "      from  $oldrev"
 
-       generate_general_email
+       generate_ltag_email
 }
 
 #
 # Called for creation or update of any other type of reference
 #
-generate_general_email()
+generate_ltag_email()
 {
        # Unannotated tags are more about marking a point than releasing a
        # version; therefore we don't do the shortlog summary that we do for
@@ -588,7 +545,7 @@ generate_general_email()
 #
 # Called for the deletion of any other type of reference
 #
-generate_delete_general_email()
+generate_delete_ltag_email()
 {
        echo "       was  $oldrev"
        echo ""