Documentation/hooks: add pre-auto-gc hook

diff --git a/git-am.sh b/git-am.sh
index 18468769c1e247cec97b330f0dbfe15e486411c8..ac5c388060789e559f80d61d6eae1db926b66ad4 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -21,7 +21,8 @@ C=              pass it through git-apply
 p=              pass it through git-apply
 resolvemsg=     override error message when patch failure occurs
 r,resolved      to be used after a patch failure
-skip            skip the current patch"
+skip            skip the current patch
+rebasing        (internal use for git-rebase)"
 
 . git-sh-setup
 prefix=$(git rev-parse --show-prefix)
@@ -122,7 +123,7 @@ reread_subject () {
 
 prec=4
 dotest=".dotest"
-sign= utf8=t keep= skip= interactive= resolved= binary=
+sign= utf8=t keep= skip= interactive= resolved= binary= rebasing=
 resolvemsg= resume=
 git_apply_opt=
 
@@ -147,6 +148,8 @@ do
                resolved=t ;;
        --skip)
                skip=t ;;
+       --rebasing)
+               rebasing=t threeway=t keep=t binary=t ;;
        -d|--dotest)
                die "-d option is no longer supported.  Do not use."
                ;;
@@ -237,6 +240,12 @@ else
        echo "$utf8" >"$dotest/utf8"
        echo "$keep" >"$dotest/keep"
        echo 1 >"$dotest/next"
+       if test -n "$rebasing"
+       then
+               : >"$dotest/rebasing"
+       else
+               : >"$dotest/applying"
+       fi
 fi
 
 case "$resolved" in
@@ -348,7 +357,7 @@ do
                LAST_SIGNED_OFF_BY=`
                    sed -ne '/^Signed-off-by: /p' \
                    "$dotest/msg-clean" |
-                   tail -n 1
+                   sed -ne '$p'
                `
                ADD_SIGNOFF=`
                    test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || {