SubmittingPatches: document how to reference previous commits

diff --git a/git-quiltimport.sh b/git-quiltimport.sh
index 56c956935dd92680eedc9e65215bacb43a703967..6d3a88decdeee3f85d9ee43ef8e716ccd1a6328b 100755 (executable)
--- a/git-quiltimport.sh
+++ b/git-quiltimport.sh
@@ -1,11 +1,13 @@
 #!/bin/sh
 OPTIONS_KEEPDASHDASH=
+OPTIONS_STUCKLONG=
 OPTIONS_SPEC="\
-git-quiltimport [options]
+git quiltimport [options]
 --
 n,dry-run     dry run
 author=       author name and email address for patches without any
-patches=      path to the quilt series and patches
+patches=      path to the quilt patches
+series=       path to the quilt series file
 "
 SUBDIRECTORY_ON=Yes
 . git-sh-setup
@@ -23,8 +25,12 @@ do
                dry_run=1
                ;;
        --patches)
+               shift
                QUILT_PATCHES="$1"
+               ;;
+       --series)
                shift
+               QUILT_SERIES="$1"
                ;;
        --)
                shift
@@ -52,18 +58,41 @@ if ! [ -d "$QUILT_PATCHES" ] ; then
        exit 1
 fi
 
+# Quilt series file
+: ${QUILT_SERIES:=$QUILT_PATCHES/series}
+if ! [ -e "$QUILT_SERIES" ] ; then
+       echo "The \"$QUILT_SERIES\" file does not exist."
+       exit 1
+fi
+
 # Temporary directories
-tmp_dir=.dotest
+tmp_dir="$GIT_DIR"/rebase-apply
 tmp_msg="$tmp_dir/msg"
 tmp_patch="$tmp_dir/patch"
 tmp_info="$tmp_dir/info"
 
 
-# Find the intial commit
+# Find the initial commit
 commit=$(git rev-parse HEAD)
 
 mkdir $tmp_dir || exit 2
-for patch_name in $(grep -v '^#' < "$QUILT_PATCHES/series" ); do
+while read patch_name level garbage <&3
+do
+       case "$patch_name" in ''|'#'*) continue;; esac
+       case "$level" in
+       -p*)    ;;
+       ''|'#'*)
+               level=;;
+       *)
+               echo "unable to parse patch level, ignoring it."
+               level=;;
+       esac
+       case "$garbage" in
+       ''|'#'*);;
+       *)
+               echo "trailing garbage found in series file: $garbage"
+               exit 1;;
+       esac
        if ! [ -f "$QUILT_PATCHES/$patch_name" ] ; then
                echo "$patch_name doesn't exist. Skipping."
                continue
@@ -77,8 +106,9 @@ for patch_name in $(grep -v '^#' < "$QUILT_PATCHES/series" ); do
        }
 
        # Parse the author information
-       export GIT_AUTHOR_NAME=$(sed -ne 's/Author: //p' "$tmp_info")
-       export GIT_AUTHOR_EMAIL=$(sed -ne 's/Email: //p' "$tmp_info")
+       GIT_AUTHOR_NAME=$(sed -ne 's/Author: //p' "$tmp_info")
+       GIT_AUTHOR_EMAIL=$(sed -ne 's/Email: //p' "$tmp_info")
+       export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
        while test -z "$GIT_AUTHOR_EMAIL" && test -z "$GIT_AUTHOR_NAME" ; do
                if [ -n "$quilt_author" ] ; then
                        GIT_AUTHOR_NAME="$quilt_author_name";
@@ -104,17 +134,18 @@ for patch_name in $(grep -v '^#' < "$QUILT_PATCHES/series" ); do
                        GIT_AUTHOR_EMAIL="$patch_author_email"
                fi
        done
-       export GIT_AUTHOR_DATE=$(sed -ne 's/Date: //p' "$tmp_info")
-       export SUBJECT=$(sed -ne 's/Subject: //p' "$tmp_info")
+       GIT_AUTHOR_DATE=$(sed -ne 's/Date: //p' "$tmp_info")
+       SUBJECT=$(sed -ne 's/Subject: //p' "$tmp_info")
+       export GIT_AUTHOR_DATE SUBJECT
        if [ -z "$SUBJECT" ] ; then
                SUBJECT=$(echo $patch_name | sed -e 's/.patch$//')
        fi
 
        if [ -z "$dry_run" ] ; then
-               git apply --index -C1 "$tmp_patch" &&
+               git apply --index -C1 ${level:+"$level"} "$tmp_patch" &&
                tree=$(git write-tree) &&
                commit=$( (echo "$SUBJECT"; echo; cat "$tmp_msg") | git commit-tree $tree -p $commit) &&
                git update-ref -m "quiltimport: $patch_name" HEAD $commit || exit 4
        fi
-done
+done 3<"$QUILT_SERIES"
 rm -rf $tmp_dir || exit 5