Teach rebase -i to honor pre-rebase hook

The original git-rebase honored pre-rebase hook so that public branches
can be protected from getting rebased, but rebase --interactive ignored
the hook entirely.  This fixes it.

Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com>
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index edb6ec6ed00b74764764802d0ebae56d223a2ac6..3350f90cb1837238cd29786fa2b1541e1c4682bc 100755 (executable)
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -65,6 +65,16 @@ output () {
        esac
 }
 
+run_pre_rebase_hook () {
+       if test -x "$GIT_DIR/hooks/pre-rebase"
+       then
+               "$GIT_DIR/hooks/pre-rebase" ${1+"$@"} || {
+                       echo >&2 "The pre-rebase hook refused to rebase."
+                       exit 1
+               }
+       fi
+}
+
 require_clean_work_tree () {
        # test if working tree is dirty
        git rev-parse --verify HEAD > /dev/null &&
@@ -507,6 +517,7 @@ first and then run 'git rebase --continue' again."
                ;;
        --)
                shift
+               run_pre_rebase_hook ${1+"$@"}
                test $# -eq 1 -o $# -eq 2 || usage
                test -d "$DOTEST" &&
                        die "Interactive rebase already started"

diff --git a/git-rebase.sh b/git-rebase.sh
index 528b604cd57a774030c5f5830d3d78b5a04454cf..a30d40c0056dc32aa6123adc9856e649c469fcd0 100755 (executable)
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -144,6 +144,16 @@ is_interactive () {
        done && test -n "$1"
 }
 
+run_pre_rebase_hook () {
+       if test -x "$GIT_DIR/hooks/pre-rebase"
+       then
+               "$GIT_DIR/hooks/pre-rebase" ${1+"$@"} || {
+                       echo >&2 "The pre-rebase hook refused to rebase."
+                       exit 1
+               }
+       fi
+}
+
 test -f "$GIT_DIR"/rebase-apply/applying &&
        die 'It looks like git-am is in progress. Cannot rebase.'
 
@@ -320,13 +330,7 @@ onto_name=${newbase-"$upstream_name"}
 onto=$(git rev-parse --verify "${onto_name}^0") || exit
 
 # If a hook exists, give it a chance to interrupt
-if test -x "$GIT_DIR/hooks/pre-rebase"
-then
-       "$GIT_DIR/hooks/pre-rebase" ${1+"$@"} || {
-               echo >&2 "The pre-rebase hook refused to rebase."
-               exit 1
-       }
-fi
+run_pre_rebase_hook ${1+"$@"}
 
 # If the branch to rebase is given, that is the branch we will rebase
 # $branch_name -- branch being rebased, or HEAD (already detached)

diff --git a/t/t3409-rebase-hook.sh b/t/t3409-rebase-hook.sh
new file mode 100755 (executable)
index 0000000..bc93dda
--- /dev/null
+++ b/t/t3409-rebase-hook.sh
@@ -0,0 +1,126 @@
+#!/bin/sh
+
+test_description='git rebase with its hook(s)'
+
+. ./test-lib.sh
+
+test_expect_success setup '
+       echo hello >file &&
+       git add file &&
+       test_tick &&
+       git commit -m initial &&
+       echo goodbye >file &&
+       git add file &&
+       test_tick &&
+       git commit -m second &&
+       git checkout -b side HEAD^ &&
+       echo world >git &&
+       git add git &&
+       test_tick &&
+       git commit -m side &&
+       git checkout master &&
+       git log --pretty=oneline --abbrev-commit --graph --all &&
+       git branch test side
+'
+
+test_expect_success 'rebase' '
+       git checkout test &&
+       git reset --hard side &&
+       git rebase master &&
+       test "z$(cat git)" = zworld
+'
+
+test_expect_success 'rebase -i' '
+       git checkout test &&
+       git reset --hard side &&
+       EDITOR=true git rebase -i master &&
+       test "z$(cat git)" = zworld
+'
+
+test_expect_success 'setup pre-rebase hook' '
+       mkdir -p .git/hooks &&
+       cat >.git/hooks/pre-rebase <<EOF &&
+#!$SHELL_PATH
+echo "\$1,\$2" >.git/PRE-REBASE-INPUT
+EOF
+       chmod +x .git/hooks/pre-rebase
+'
+
+test_expect_success 'pre-rebase hook gets correct input (1)' '
+       git checkout test &&
+       git reset --hard side &&
+       git rebase master &&
+       test "z$(cat git)" = zworld &&
+       test "z$(cat .git/PRE-REBASE-INPUT)" = zmaster,
+
+'
+
+test_expect_success 'pre-rebase hook gets correct input (2)' '
+       git checkout test &&
+       git reset --hard side &&
+       git rebase master test &&
+       test "z$(cat git)" = zworld &&
+       test "z$(cat .git/PRE-REBASE-INPUT)" = zmaster,test
+'
+
+test_expect_success 'pre-rebase hook gets correct input (3)' '
+       git checkout test &&
+       git reset --hard side &&
+       git checkout master &&
+       git rebase master test &&
+       test "z$(cat git)" = zworld &&
+       test "z$(cat .git/PRE-REBASE-INPUT)" = zmaster,test
+'
+
+test_expect_success 'pre-rebase hook gets correct input (4)' '
+       git checkout test &&
+       git reset --hard side &&
+       EDITOR=true git rebase -i master &&
+       test "z$(cat git)" = zworld &&
+       test "z$(cat .git/PRE-REBASE-INPUT)" = zmaster,
+
+'
+
+test_expect_success 'pre-rebase hook gets correct input (5)' '
+       git checkout test &&
+       git reset --hard side &&
+       EDITOR=true git rebase -i master test &&
+       test "z$(cat git)" = zworld &&
+       test "z$(cat .git/PRE-REBASE-INPUT)" = zmaster,test
+'
+
+test_expect_success 'pre-rebase hook gets correct input (6)' '
+       git checkout test &&
+       git reset --hard side &&
+       git checkout master &&
+       EDITOR=true git rebase -i master test &&
+       test "z$(cat git)" = zworld &&
+       test "z$(cat .git/PRE-REBASE-INPUT)" = zmaster,test
+'
+
+test_expect_success 'setup pre-rebase hook that fails' '
+       mkdir -p .git/hooks &&
+       cat >.git/hooks/pre-rebase <<EOF &&
+#!$SHELL_PATH
+false
+EOF
+       chmod +x .git/hooks/pre-rebase
+'
+
+test_expect_success 'pre-rebase hook stops rebase (1)' '
+       git checkout test &&
+       git reset --hard side &&
+       test_must_fail git rebase master &&
+       test "z$(git symbolic-ref HEAD)" = zrefs/heads/test &&
+       test 0 = $(git rev-list HEAD...side | wc -l)
+'
+
+test_expect_success 'pre-rebase hook stops rebase (2)' '
+       git checkout test &&
+       git reset --hard side &&
+       EDITOR=true test_must_fail git rebase -i master &&
+       test "z$(git symbolic-ref HEAD)" = zrefs/heads/test &&
+       test 0 = $(git rev-list HEAD...side | wc -l)
+'
+
+test_done