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Merge branch 'mm/rebase-i-exec'
* mm/rebase-i-exec: git-rebase--interactive.sh: use printf instead of echo to print commit message git-rebase--interactive.sh: rework skip_unnecessary_picks test-lib: user-friendly alternatives to test [-d|-f|-e] rebase -i: add exec command to launch a shell command Conflicts: git-rebase--interactive.sh t/t3404-rebase-interactive.sh
This commit is contained in:
commit
5cba1229d8
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@ -466,6 +466,30 @@ sure that the current HEAD is "B", and call
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$ git rebase -i -p --onto Q O
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-----------------------------
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Reordering and editing commits usually creates untested intermediate
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steps. You may want to check that your history editing did not break
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anything by running a test, or at least recompiling at intermediate
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points in history by using the "exec" command (shortcut "x"). You may
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do so by creating a todo list like this one:
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-------------------------------------------
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pick deadbee Implement feature XXX
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fixup f1a5c00 Fix to feature XXX
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exec make
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pick c0ffeee The oneline of the next commit
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edit deadbab The oneline of the commit after
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exec cd subdir; make test
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...
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-------------------------------------------
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The interactive rebase will stop when a command fails (i.e. exits with
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non-0 status) to give you an opportunity to fix the problem. You can
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continue with `git rebase --continue`.
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The "exec" command launches the command in a shell (the one specified
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in `$SHELL`, or the default shell if `$SHELL` is not set), so you can
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use shell features (like "cd", ">", ";" ...). The command is run from
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the root of the working tree.
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SPLITTING COMMITS
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-----------------
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@ -537,6 +537,34 @@ do_next () {
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esac
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record_in_rewritten $sha1
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;;
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x|"exec")
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read -r command rest < "$TODO"
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mark_action_done
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printf 'Executing: %s\n' "$rest"
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# "exec" command doesn't take a sha1 in the todo-list.
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# => can't just use $sha1 here.
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git rev-parse --verify HEAD > "$DOTEST"/stopped-sha
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${SHELL:-@SHELL_PATH@} -c "$rest" # Actual execution
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status=$?
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if test "$status" -ne 0
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then
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warn "Execution failed: $rest"
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warn "You can fix the problem, and then run"
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warn
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warn " git rebase --continue"
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warn
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exit "$status"
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fi
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# Run in subshell because require_clean_work_tree can die.
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if ! (require_clean_work_tree)
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then
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warn "Commit or stash your changes, and then run"
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warn
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warn " git rebase --continue"
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warn
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exit 1
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fi
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;;
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*)
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warn "Unknown command: $command $sha1 $rest"
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if git rev-parse --verify -q "$sha1" >/dev/null
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@ -591,22 +619,30 @@ do_rest () {
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# skip picking commits whose parents are unchanged
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skip_unnecessary_picks () {
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fd=3
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while read -r command sha1 rest
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while read -r command rest
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do
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# fd=3 means we skip the command
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case "$fd,$command,$(git rev-parse --verify --quiet $sha1^)" in
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3,pick,"$ONTO"*|3,p,"$ONTO"*)
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case "$fd,$command" in
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3,pick|3,p)
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# pick a commit whose parent is current $ONTO -> skip
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ONTO=$sha1
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sha1=$(printf '%s' "$rest" | cut -d ' ' -f 1)
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case "$(git rev-parse --verify --quiet "$sha1"^)" in
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"$ONTO"*)
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ONTO=$sha1
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;;
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*)
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fd=1
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;;
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esac
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;;
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3,#*|3,,*)
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3,#*|3,)
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# copy comments
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;;
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*)
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fd=1
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;;
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esac
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printf '%s\n' "$command${sha1:+ }$sha1${rest:+ }$rest" >&$fd
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printf '%s\n' "$command${rest:+ }$rest" >&$fd
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done <"$TODO" >"$TODO.new" 3>>"$DONE" &&
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mv -f "$TODO".new "$TODO" &&
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case "$(peek_next_command)" in
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@ -957,6 +993,7 @@ first and then run 'git rebase --continue' again."
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# e, edit = use commit, but stop for amending
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# s, squash = use commit, but meld into previous commit
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# f, fixup = like "squash", but discard this commit's log message
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# x <cmd>, exec <cmd> = Run a shell command <cmd>, and stop if it fails
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#
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# If you remove a line here THAT COMMIT WILL BE LOST.
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# However, if you remove everything, the rebase will be aborted.
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7
t/README
7
t/README
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@ -467,6 +467,13 @@ library for your script to use.
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<expected> file. This behaves like "cmp" but produces more
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helpful output when the test is run with "-v" option.
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- test_path_is_file <file> [<diagnosis>]
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test_path_is_dir <dir> [<diagnosis>]
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test_path_is_missing <path> [<diagnosis>]
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Check whether a file/directory exists or doesn't. <diagnosis> will
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be displayed if the test fails.
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- test_when_finished <script>
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Prepend <script> to a list of commands to run to clean up
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@ -47,6 +47,8 @@ for line in $FAKE_LINES; do
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case $line in
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squash|fixup|edit|reword)
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action="$line";;
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exec*)
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echo "$line" | sed 's/_/ /g' >> "$1";;
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"#")
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echo '# comment' >> "$1";;
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">")
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@ -64,6 +64,67 @@ test_expect_success 'setup' '
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done
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'
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# "exec" commands are ran with the user shell by default, but this may
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# be non-POSIX. For example, if SHELL=zsh then ">file" doesn't work
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# to create a file. Unseting SHELL avoids such non-portable behavior
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# in tests.
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SHELL=
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test_expect_success 'rebase -i with the exec command' '
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git checkout master &&
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(
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FAKE_LINES="1 exec_>touch-one
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2 exec_>touch-two exec_false exec_>touch-three
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3 4 exec_>\"touch-file__name_with_spaces\";_>touch-after-semicolon 5" &&
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export FAKE_LINES &&
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test_must_fail git rebase -i A
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) &&
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test_path_is_file touch-one &&
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test_path_is_file touch-two &&
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test_path_is_missing touch-three " (should have stopped before)" &&
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test $(git rev-parse C) = $(git rev-parse HEAD) || {
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echo "Stopped at wrong revision:"
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echo "($(git describe --tags HEAD) instead of C)"
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false
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} &&
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git rebase --continue &&
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test_path_is_file touch-three &&
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test_path_is_file "touch-file name with spaces" &&
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test_path_is_file touch-after-semicolon &&
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test $(git rev-parse master) = $(git rev-parse HEAD) || {
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echo "Stopped at wrong revision:"
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echo "($(git describe --tags HEAD) instead of master)"
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false
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} &&
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rm -f touch-*
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'
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test_expect_success 'rebase -i with the exec command runs from tree root' '
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git checkout master &&
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mkdir subdir && cd subdir &&
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FAKE_LINES="1 exec_>touch-subdir" \
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git rebase -i HEAD^ &&
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cd .. &&
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test_path_is_file touch-subdir &&
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rm -fr subdir
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'
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test_expect_success 'rebase -i with the exec command checks tree cleanness' '
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git checkout master &&
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(
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FAKE_LINES="exec_echo_foo_>file1 1" &&
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export FAKE_LINES &&
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test_must_fail git rebase -i HEAD^
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) &&
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test $(git rev-parse master^) = $(git rev-parse HEAD) || {
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echo "Stopped at wrong revision:"
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echo "($(git describe --tags HEAD) instead of master^)"
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false
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} &&
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git reset --hard &&
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git rebase --continue
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'
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test_expect_success 'no changes are a nop' '
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git checkout branch2 &&
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git rebase -i F &&
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@ -143,7 +204,7 @@ test_expect_success 'abort' '
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git rebase --abort &&
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test $(git rev-parse new-branch1) = $(git rev-parse HEAD) &&
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test "$(git symbolic-ref -q HEAD)" = "refs/heads/branch1" &&
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! test -d .git/rebase-merge
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test_path_is_missing .git/rebase-merge
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'
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test_expect_success 'abort with error when new base cannot be checked out' '
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@ -153,7 +214,7 @@ test_expect_success 'abort with error when new base cannot be checked out' '
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grep "The following untracked working tree files would be overwritten by checkout:" \
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output &&
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grep "file1" output &&
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! test -d .git/rebase-merge &&
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test_path_is_missing .git/rebase-merge &&
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git reset --hard HEAD^
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'
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@ -38,7 +38,7 @@ testrebase() {
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# Clean up the state from the previous one
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git reset --hard pre-rebase &&
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test_must_fail git rebase$type master &&
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test -d "$dotest" &&
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test_path_is_dir "$dotest" &&
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git rebase --abort &&
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test $(git rev-parse to-rebase) = $(git rev-parse pre-rebase) &&
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test ! -d "$dotest"
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@ -49,7 +49,7 @@ testrebase() {
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# Clean up the state from the previous one
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git reset --hard pre-rebase &&
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test_must_fail git rebase$type master &&
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test -d "$dotest" &&
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test_path_is_dir "$dotest" &&
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test_must_fail git rebase --skip &&
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test $(git rev-parse HEAD) = $(git rev-parse master) &&
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git rebase --abort &&
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@ -62,7 +62,7 @@ testrebase() {
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# Clean up the state from the previous one
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git reset --hard pre-rebase &&
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test_must_fail git rebase$type master &&
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test -d "$dotest" &&
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test_path_is_dir "$dotest" &&
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echo c > a &&
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echo d >> a &&
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git add a &&
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@ -545,6 +545,38 @@ test_external_without_stderr () {
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fi
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}
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# debugging-friendly alternatives to "test [-f|-d|-e]"
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# The commands test the existence or non-existence of $1. $2 can be
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# given to provide a more precise diagnosis.
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test_path_is_file () {
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if ! [ -f "$1" ]
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then
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echo "File $1 doesn't exist. $*"
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false
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fi
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}
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test_path_is_dir () {
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if ! [ -d "$1" ]
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then
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echo "Directory $1 doesn't exist. $*"
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false
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fi
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}
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test_path_is_missing () {
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if [ -e "$1" ]
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then
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echo "Path exists:"
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ls -ld "$1"
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if [ $# -ge 1 ]; then
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echo "$*"
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fi
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false
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fi
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}
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# This is not among top-level (test_expect_success | test_expect_failure)
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# but is a prefix that can be used in the test script, like:
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#
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