Changes the logic in the script to determine whether an email message
will be sent before invoking the send_mail() function; otherwise, if
the logic determines that a message will not be sent, send_mail() will
cause an empty email to be sent.
Signed-off-by: Kevin P. Fleming <kpfleming@xxxxxxxxxx>
---
contrib/hooks/post-receive-email | 42 +++++++++++++++++++++++++------------
1 files changed, 28 insertions(+), 14 deletions(-)
diff --git a/contrib/hooks/post-receive-email b/contrib/hooks/post-receive-email
index 30ae63d..b595452 100755
--- a/contrib/hooks/post-receive-email
+++ b/contrib/hooks/post-receive-email
@@ -66,19 +66,10 @@
# ---------------------------- Functions
#
-# Top level email generation function. This decides what type of update
-# this is and calls the appropriate body-generation routine after outputting
-# the common header
+# Function to prepare for email generation. This decides what type
+# of update this is and whether an email should even be generated.
#
-# Note this function doesn't actually generate any email output, that is
-# taken care of by the functions it calls:
-# - generate_email_header
-# - generate_create_XXXX_email
-# - generate_update_XXXX_email
-# - generate_delete_XXXX_email
-# - generate_email_footer
-#
-generate_email()
+prep_for_email()
{
# --- Arguments
oldrev=$(git rev-parse $1)
@@ -171,7 +162,28 @@ generate_email()
echo >&2 "*** for $refname update $oldrev->$newrev"
exit 0
fi
+}
+#
+# Top level email generation function. This calls the appropriate
+# body-generation routine after outputting the common header.
+#
+# Note this function doesn't actually generate any email output, that is
+# taken care of by the functions it calls:
+# - generate_email_header
+# - generate_create_XXXX_email
+# - generate_update_XXXX_email
+# - generate_delete_XXXX_email
+# - generate_email_footer
+#
+# Note also that this function cannot 'exit' from the script; when this
+# function is running (in hook script mode), the send_mail() function
+# is already executing in another process, connected via a pipe, and
+# if this function exits without, whatever has been generated to that
+# point will be sent as an email... even if nothing has been generated.
+#
+generate_email()
+{
# Email parameters
# The email subject will contain the best description of the ref
# that we can build from the parameters
@@ -687,10 +699,12 @@ if [ -n "$1" -a -n "$2" -a -n "$3" ]; then
# Output to the terminal in command line mode - if someone wanted to
# resend an email; they could redirect the output to sendmail
# themselves
- PAGER= generate_email $2 $3 $1
+ prep_for_email $2 $3 $1
+ PAGER= generate_email
else
while read oldrev newrev refname
do
- generate_email $oldrev $newrev $refname | send_mail
+ prep_for_email $oldrev $newrev $refname
+ generate_email | send_mail
done
fi
--
1.7.2
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