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-rwxr-xr-xcontrib/hooks/post-receive-email64
1 files changed, 43 insertions, 21 deletions
diff --git a/contrib/hooks/post-receive-email b/contrib/hooks/post-receive-email
index 0085086437..ba077c13f9 100755
--- a/contrib/hooks/post-receive-email
+++ b/contrib/hooks/post-receive-email
@@ -11,11 +11,11 @@
# will have put this somewhere standard. You should make this script
# executable then link to it in the repository you would like to use it in.
# For example, on debian the hook is stored in
-# /usr/share/doc/git-core/contrib/hooks/post-receive-email:
+# /usr/share/git-core/contrib/hooks/post-receive-email:
#
# chmod a+x post-receive-email
# cd /path/to/your/repository.git
-# ln -sf /usr/share/doc/git-core/contrib/hooks/post-receive-email hooks/post-receive
+# ln -sf /usr/share/git-core/contrib/hooks/post-receive-email hooks/post-receive
#
# This hook script assumes it is enabled on the central repository of a
# project, with all users pushing only to it and not between each other. It
@@ -60,6 +60,11 @@
# email body. If not specified, there is no limit.
# Lines beyond the limit are suppressed and counted, and a final
# line is added indicating the number of suppressed lines.
+# hooks.diffopts
+# Alternate options for the git diff-tree invocation that shows changes.
+# Default is "--stat --summary --find-copies-harder". Add -p to those
+# options to include a unified diff of changes in addition to the usual
+# summary output.
#
# Notes
# -----
@@ -71,19 +76,10 @@
# ---------------------------- 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 $1)
@@ -153,13 +149,13 @@ generate_email()
short_refname=${refname##refs/remotes/}
echo >&2 "*** Push-update of tracking branch, $refname"
echo >&2 "*** - no email generated."
- exit 0
+ return 1
;;
*)
# Anything else (is there anything else?)
echo >&2 "*** Unknown type of update to $refname ($rev_type)"
echo >&2 "*** - no email generated"
- exit 1
+ return 1
;;
esac
@@ -175,9 +171,32 @@ generate_email()
esac
echo >&2 "*** $config_name is not set so no email will be sent"
echo >&2 "*** for $refname update $oldrev->$newrev"
- exit 0
+ return 1
fi
+ return 0
+}
+
+#
+# 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
@@ -432,7 +451,7 @@ generate_update_branch_email()
# non-fast-forward updates.
echo ""
echo "Summary of changes:"
- git diff-tree --stat --summary --find-copies-harder $oldrev..$newrev
+ git diff-tree $diffopts $oldrev..$newrev
}
#
@@ -695,7 +714,7 @@ if [ -z "$GIT_DIR" ]; then
exit 1
fi
-projectdesc=$(sed -ne '1p' "$GIT_DIR/description")
+projectdesc=$(sed -ne '1p' "$GIT_DIR/description" 2>/dev/null)
# Check if the description is unchanged from it's default, and shorten it to
# a more manageable length if it is
if expr "$projectdesc" : "Unnamed repository.*$" >/dev/null
@@ -709,6 +728,8 @@ envelopesender=$(git config hooks.envelopesender)
emailprefix=$(git config hooks.emailprefix || echo '[SCM] ')
custom_showrev=$(git config hooks.showrev)
maxlines=$(git config hooks.emailmaxlines)
+diffopts=$(git config hooks.diffopts)
+: ${diffopts:="--stat --summary --find-copies-harder"}
# --- Main loop
# Allow dual mode: run from the command line just like the update hook, or
@@ -717,10 +738,11 @@ 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 $maxlines | send_mail
+ prep_for_email $oldrev $newrev $refname || continue
+ generate_email $maxlines | send_mail
done
fi