[RFC PATCH 6/6] contrib: add a hook that copies notes over rewrites

From

Thomas Rast <trast@student.ethz.ch>

Date

Feb 14, 2010, 16:17 UTC

Message-ID

<fba55036b8c07f1ee10c4d8f7ed22045277aeb21.1266164150.git.trast@student.ethz.ch>

In-Reply-To

<cover.1266164150.git.trast@student.ethz.ch>

  git config hooks.rewriteCopyNotes all

Signed-off-by: Thomas Rast <trast@student.ethz.ch>
---
 contrib/hooks/post-rewrite-copy-notes |   37 +++++++++++++++++++++++++++++++++
 1 files changed, 37 insertions(+), 0 deletions(-)
 create mode 100644 contrib/hooks/post-rewrite-copy-notes

diff --git a/contrib/hooks/post-rewrite-copy-notes b/contrib/hooks/post-rewrite-copy-notes
new file mode 100644
index 0000000..73d6a82
--- /dev/null
+++ b/contrib/hooks/post-rewrite-copy-notes
@@ -0,0 +1,37 @@
+#!/bin/sh
+
+# This hook copies over the git-notes annotation from the
+# pre-rewritten commit to the post-rewritten one.  It only does so if
+# the invoking command is listed in hooks.rewriteCopyNotes (which must
+# be space separated).  If hooks.rewriteCopyNotesVerbose is set, it
+# lists the commits for which 'git notes copy' was successful on
+# stderr.
+
+type="$1"
+run=
+
+enabled="$(git config --get hooks.rewriteCopyNotes)"
+if test "$enabled" = all || test "$enabled" = true; then
+    enabled="amend rebase filter-branch"
+fi
+
+for enabled_type in $enabled; do
+    test "$enabled_type" = "$type" && run=t
+done
+
+if test -z "$run"; then
+    exit
+done
+
+verbose=$(git config --get hooks.rewriteCopyNotesVerbose)
+test "$verbose" = true && echo "Copying notes:" >2
+end_msg="No commit had any notes."
+
+while read pre post extra; do
+    git notes copy "$pre" "$post" 2>/dev/null &&
+    end_msg="Done." &&
+    test "$verbose" = true &&
+    echo "    $pre -> $post" >2
+done
+
+test "$verbose" = true && echo "$end_msg" >2

-- 
1.7.0.216.g74d8e