Merge branch 'pw/rebase-signoff'
authorJunio C Hamano <gitster@pobox.com>
Wed, 25 Apr 2018 04:28:51 +0000 (13:28 +0900)
committerJunio C Hamano <gitster@pobox.com>
Wed, 25 Apr 2018 04:28:51 +0000 (13:28 +0900)
"git rebase" has learned to honor "--signoff" option when using
backends other than "am" (but not "--preserve-merges").

* pw/rebase-signoff:
rebase --keep-empty: always use interactive rebase
rebase -p: error out if --signoff is given
rebase: extend --signoff support

Documentation/git-rebase.txt
git-rebase--am.sh
git-rebase--interactive.sh
git-rebase--merge.sh
git-rebase.sh
sequencer.c
t/t3421-rebase-topology-linear.sh
t/t3428-rebase-signoff.sh
index 3277ca143273e01f5f4973ed351c8a5cb4b8e0fa..dd852068b1d06f8f40566da65579564144fef718 100644 (file)
@@ -364,9 +364,10 @@ default is `--no-fork-point`, otherwise the default is `--fork-point`.
        Incompatible with the --interactive option.
 
 --signoff::
-       This flag is passed to 'git am' to sign off all the rebased
-       commits (see linkgit:git-am[1]). Incompatible with the
-       --interactive option.
+       Add a Signed-off-by: trailer to all the rebased commits. Note
+       that if `--interactive` is given then only commits marked to be
+       picked, edited or reworded will have the trailer added. Incompatible
+       with the `--preserve-merges` option.
 
 -i::
 --interactive::
index e5fd6101db3018aff5fca7047eb2958291b6b03d..99b8c177875a7f26ae6c7f70be42c9d97231f7b9 100644 (file)
@@ -32,60 +32,47 @@ else
 fi
 
 ret=0
-if test -n "$keep_empty"
-then
-       # we have to do this the hard way.  git format-patch completely squashes
-       # empty commits and even if it didn't the format doesn't really lend
-       # itself well to recording empty patches.  fortunately, cherry-pick
-       # makes this easy
-       git cherry-pick ${gpg_sign_opt:+"$gpg_sign_opt"} --allow-empty \
-               $allow_rerere_autoupdate --right-only "$revisions" \
-               $allow_empty_message \
-               ${restrict_revision+^$restrict_revision}
-       ret=$?
-else
-       rm -f "$GIT_DIR/rebased-patches"
+rm -f "$GIT_DIR/rebased-patches"
 
-       git format-patch -k --stdout --full-index --cherry-pick --right-only \
-               --src-prefix=a/ --dst-prefix=b/ --no-renames --no-cover-letter \
-               --pretty=mboxrd \
-               $git_format_patch_opt \
-               "$revisions" ${restrict_revision+^$restrict_revision} \
-               >"$GIT_DIR/rebased-patches"
-       ret=$?
+git format-patch -k --stdout --full-index --cherry-pick --right-only \
+       --src-prefix=a/ --dst-prefix=b/ --no-renames --no-cover-letter \
+       --pretty=mboxrd \
+       $git_format_patch_opt \
+       "$revisions" ${restrict_revision+^$restrict_revision} \
+       >"$GIT_DIR/rebased-patches"
+ret=$?
 
-       if test 0 != $ret
-       then
-               rm -f "$GIT_DIR/rebased-patches"
-               case "$head_name" in
-               refs/heads/*)
-                       git checkout -q "$head_name"
-                       ;;
-               *)
-                       git checkout -q "$orig_head"
-                       ;;
-               esac
+if test 0 != $ret
+then
+       rm -f "$GIT_DIR/rebased-patches"
+       case "$head_name" in
+       refs/heads/*)
+               git checkout -q "$head_name"
+               ;;
+       *)
+               git checkout -q "$orig_head"
+               ;;
+       esac
 
-               cat >&2 <<-EOF
+       cat >&2 <<-EOF
 
-               git encountered an error while preparing the patches to replay
-               these revisions:
+       git encountered an error while preparing the patches to replay
+       these revisions:
 
-                   $revisions
+           $revisions
 
-               As a result, git cannot rebase them.
-               EOF
-               return $ret
-       fi
+       As a result, git cannot rebase them.
+       EOF
+       return $ret
+fi
 
-       git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" \
-               --patch-format=mboxrd \
-               $allow_rerere_autoupdate \
-               ${gpg_sign_opt:+"$gpg_sign_opt"} <"$GIT_DIR/rebased-patches"
-       ret=$?
+git am $git_am_opt --rebasing --resolvemsg="$resolvemsg" \
+       --patch-format=mboxrd \
+       $allow_rerere_autoupdate \
+       ${gpg_sign_opt:+"$gpg_sign_opt"} <"$GIT_DIR/rebased-patches"
+ret=$?
 
-       rm -f "$GIT_DIR/rebased-patches"
-fi
+rm -f "$GIT_DIR/rebased-patches"
 
 if test 0 != $ret
 then
index 50323fc27351666440e76ae50806ee480e998da3..9947e6265fe7c0bc4531fd928bbf2373a0ae7552 100644 (file)
@@ -285,7 +285,7 @@ pick_one () {
                pick_one_preserving_merges "$@" && return
        output eval git cherry-pick $allow_rerere_autoupdate $allow_empty_message \
                        ${gpg_sign_opt:+$(git rev-parse --sq-quote "$gpg_sign_opt")} \
-                       "$strategy_args" $empty_args $ff "$@"
+                       $signoff "$strategy_args" $empty_args $ff "$@"
 
        # If cherry-pick dies it leaves the to-be-picked commit unrecorded. Reschedule
        # previous task so this commit is not lost.
@@ -524,10 +524,10 @@ do_pick () {
                # resolve before manually running git commit --amend then git
                # rebase --continue.
                git commit --allow-empty --allow-empty-message --amend \
-                          --no-post-rewrite -n -q -C $sha1 &&
+                          --no-post-rewrite -n -q -C $sha1 $signoff &&
                        pick_one -n $sha1 &&
                        git commit --allow-empty --allow-empty-message \
-                                  --amend --no-post-rewrite -n -q -C $sha1 \
+                                  --amend --no-post-rewrite -n -q -C $sha1 $signoff \
                                   ${gpg_sign_opt:+"$gpg_sign_opt"} ||
                                   die_with_patch $sha1 "$(eval_gettext "Could not apply \$sha1... \$rest")"
        else
index 685f48ca49bcdac63f5577ac20daa2993be5e4a2..cf4c0422148935906ad939c5351652a1531e5f0d 100644 (file)
@@ -27,7 +27,7 @@ continue_merge () {
        cmt=$(cat "$state_dir/current")
        if ! git diff-index --quiet --ignore-submodules HEAD --
        then
-               if ! git commit ${gpg_sign_opt:+"$gpg_sign_opt"} $allow_empty_message \
+               if ! git commit ${gpg_sign_opt:+"$gpg_sign_opt"} $signoff $allow_empty_message \
                        --no-verify -C "$cmt"
                then
                        echo "Commit failed, please do not call \"git commit\""
index 548c15e4a16160e15a7f32cee8ace37284dbb850..ded5de085a87505b244b7449b1977c3779650640 100755 (executable)
@@ -93,6 +93,7 @@ preserve_merges=
 autosquash=
 keep_empty=
 allow_empty_message=
+signoff=
 test "$(git config --bool rebase.autosquash)" = "true" && autosquash=t
 case "$(git config --bool commit.gpgsign)" in
 true)  gpg_sign_opt=-S ;;
@@ -122,6 +123,10 @@ read_basic_state () {
                allow_rerere_autoupdate="$(cat "$state_dir"/allow_rerere_autoupdate)"
        test -f "$state_dir"/gpg_sign_opt &&
                gpg_sign_opt="$(cat "$state_dir"/gpg_sign_opt)"
+       test -f "$state_dir"/signoff && {
+               signoff="$(cat "$state_dir"/signoff)"
+               force_rebase=t
+       }
 }
 
 write_basic_state () {
@@ -136,6 +141,7 @@ write_basic_state () {
        test -n "$allow_rerere_autoupdate" && echo "$allow_rerere_autoupdate" > \
                "$state_dir"/allow_rerere_autoupdate
        test -n "$gpg_sign_opt" && echo "$gpg_sign_opt" > "$state_dir"/gpg_sign_opt
+       test -n "$signoff" && echo "$signoff" >"$state_dir"/signoff
 }
 
 output () {
@@ -336,7 +342,13 @@ do
        --ignore-whitespace)
                git_am_opt="$git_am_opt $1"
                ;;
-       --committer-date-is-author-date|--ignore-date|--signoff|--no-signoff)
+       --signoff)
+               signoff=--signoff
+               ;;
+       --no-signoff)
+               signoff=
+               ;;
+       --committer-date-is-author-date|--ignore-date)
                git_am_opt="$git_am_opt $1"
                force_rebase=t
                ;;
@@ -452,6 +464,11 @@ then
        test -z "$interactive_rebase" && interactive_rebase=implied
 fi
 
+if test -n "$keep_empty"
+then
+       test -z "$interactive_rebase" && interactive_rebase=implied
+fi
+
 if test -n "$interactive_rebase"
 then
        type=interactive
@@ -470,6 +487,14 @@ then
        git_format_patch_opt="$git_format_patch_opt --progress"
 fi
 
+if test -n "$signoff"
+then
+       test -n "$preserve_merges" &&
+               die "$(gettext "error: cannot combine '--signoff' with '--preserve-merges'")"
+       git_am_opt="$git_am_opt $signoff"
+       force_rebase=t
+fi
+
 if test -z "$rebase_root"
 then
        case "$#" in
index eedd45ef8327e97c167504806580fe43522deddf..a7d31e0525cead13981172851383d2f5da4f70fc 100644 (file)
@@ -127,6 +127,7 @@ static GIT_PATH_FUNC(rebase_path_rewritten_pending,
 static GIT_PATH_FUNC(rebase_path_gpg_sign_opt, "rebase-merge/gpg_sign_opt")
 static GIT_PATH_FUNC(rebase_path_orig_head, "rebase-merge/orig-head")
 static GIT_PATH_FUNC(rebase_path_verbose, "rebase-merge/verbose")
+static GIT_PATH_FUNC(rebase_path_signoff, "rebase-merge/signoff")
 static GIT_PATH_FUNC(rebase_path_head_name, "rebase-merge/head-name")
 static GIT_PATH_FUNC(rebase_path_onto, "rebase-merge/onto")
 static GIT_PATH_FUNC(rebase_path_autostash, "rebase-merge/autostash")
@@ -1604,7 +1605,7 @@ static int do_pick_commit(enum todo_command command, struct commit *commit,
                }
        }
 
-       if (opts->signoff)
+       if (opts->signoff && !is_fixup(command))
                append_signoff(&msgbuf, 0, 0);
 
        if (is_rebase_i(opts) && write_author_script(msg.message) < 0)
@@ -2043,6 +2044,11 @@ static int read_populate_opts(struct replay_opts *opts)
                if (file_exists(rebase_path_verbose()))
                        opts->verbose = 1;
 
+               if (file_exists(rebase_path_signoff())) {
+                       opts->allow_ff = 0;
+                       opts->signoff = 1;
+               }
+
                read_strategy_opts(opts, &buf);
                strbuf_release(&buf);
 
index 52fc6885e5496ea53c74055af06827344ceed1ce..b078f930462d7187546376c9fe2331b3e0303773 100755 (executable)
@@ -199,7 +199,7 @@ test_run_rebase () {
        "
 }
 test_run_rebase success ''
-test_run_rebase failure -m
+test_run_rebase success -m
 test_run_rebase success -i
 test_run_rebase failure -p
 
@@ -214,7 +214,7 @@ test_run_rebase () {
        "
 }
 test_run_rebase success ''
-test_run_rebase failure -m
+test_run_rebase success -m
 test_run_rebase success -i
 test_run_rebase failure -p
 
index 2afb56470184b18da19740f0a68abb31da96fd82..f6993b7e14d91617b337bfaefa717ec8591fb28f 100755 (executable)
@@ -12,6 +12,13 @@ cat >file <<EOF
 a
 EOF
 
+# Expected commit message for initial commit after rebase --signoff
+cat >expected-initial-signed <<EOF
+Initial empty commit
+
+Signed-off-by: $(git var GIT_COMMITTER_IDENT | sed -e "s/>.*/>/")
+EOF
+
 # Expected commit message after rebase --signoff
 cat >expected-signed <<EOF
 first
@@ -43,4 +50,35 @@ test_expect_success 'rebase --no-signoff does not add a sign-off line' '
        test_cmp expected-unsigned actual
 '
 
+test_expect_success 'rebase --exec --signoff adds a sign-off line' '
+       test_when_finished "rm exec" &&
+       git commit --amend -m "first" &&
+       git rebase --exec "touch exec" --signoff HEAD^ &&
+       test_path_is_file exec &&
+       git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
+       test_cmp expected-signed actual
+'
+
+test_expect_success 'rebase --root --signoff adds a sign-off line' '
+       git commit --amend -m "first" &&
+       git rebase --root --keep-empty --signoff &&
+       git cat-file commit HEAD^ | sed -e "1,/^\$/d" >actual &&
+       test_cmp expected-initial-signed actual &&
+       git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
+       test_cmp expected-signed actual
+'
+
+test_expect_success 'rebase -i --signoff fails' '
+       git commit --amend -m "first" &&
+       git rebase -i --signoff HEAD^ &&
+       git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
+       test_cmp expected-signed actual
+'
+
+test_expect_success 'rebase -m --signoff fails' '
+       git commit --amend -m "first" &&
+       git rebase -m --signoff HEAD^ &&
+       git cat-file commit HEAD | sed -e "1,/^\$/d" >actual &&
+       test_cmp expected-signed actual
+'
 test_done