diff options
Diffstat (limited to 't/lib-rebase.sh')
| -rw-r--r-- | t/lib-rebase.sh | 106 |
1 files changed, 94 insertions, 12 deletions
diff --git a/t/lib-rebase.sh b/t/lib-rebase.sh index b72c051..11d2dc9 100644 --- a/t/lib-rebase.sh +++ b/t/lib-rebase.sh @@ -4,20 +4,25 @@ # # - override the commit message with $FAKE_COMMIT_MESSAGE # - amend the commit message with $FAKE_COMMIT_AMEND +# - copy the original commit message to a file with $FAKE_MESSAGE_COPY # - check that non-commit messages have a certain line count with $EXPECT_COUNT # - check the commit count in the commit message header with $EXPECT_HEADER_COUNT # - rewrite a rebase -i script as directed by $FAKE_LINES. -# $FAKE_LINES consists of a sequence of words separated by spaces. -# The following word combinations are possible: +# $FAKE_LINES consists of a sequence of words separated by spaces; +# spaces inside the words are encoded as underscores. +# The following words are possible: # -# "<lineno>" -- add a "pick" line with the SHA1 taken from the -# specified line. +# "<cmd>" -- override the command for the next line specification. Can be +# "pick", "squash", "fixup[_-(c|C)]", "edit", "reword", "drop", +# "merge[_-(c|C)_<rev>]", or "bad" for an invalid command. # -# "<cmd> <lineno>" -- add a line with the specified command -# ("pick", "squash", "fixup", "edit", "reword" or "drop") and the -# SHA1 taken from the specified line. +# "<lineno>" -- add a command, using the specified line as a template. +# If the command has not been overridden, the line will be copied +# verbatim, usually resulting in a "pick" line. # -# "exec_cmd_with_args" -- add an "exec cmd with args" line. +# "fakesha" -- add a command ("pick" by default), using a fake SHA1. +# +# "exec_[command...]", "break" -- add the specified command. # # "#" -- Add a comment line. # @@ -29,10 +34,10 @@ set_fake_editor () { */COMMIT_EDITMSG) test -z "$EXPECT_HEADER_COUNT" || test "$EXPECT_HEADER_COUNT" = "$(sed -n '1s/^# This is a combination of \(.*\) commits\./\1/p' < "$1")" || - test "# # GETTEXT POISON #" = "$(sed -n '1p' < "$1")" || exit test -z "$FAKE_COMMIT_MESSAGE" || echo "$FAKE_COMMIT_MESSAGE" > "$1" test -z "$FAKE_COMMIT_AMEND" || echo "$FAKE_COMMIT_AMEND" >> "$1" + test -z "$FAKE_MESSAGE_COPY" || cat "$1" >"$FAKE_MESSAGE_COPY" exit ;; esac @@ -47,20 +52,22 @@ set_fake_editor () { action=\& for line in $FAKE_LINES; do case $line in - pick|p|squash|s|fixup|f|edit|e|reword|r|drop|d|label|l|reset|r|merge|m) + pick|p|squash|s|fixup|f|edit|e|reword|r|drop|d|label|l|reset|t|merge|m) action="$line";; exec_*|x_*|break|b) echo "$line" | sed 's/_/ /g' >> "$1";; + merge_*|fixup_*) + action=$(echo "$line" | sed 's/_/ /g');; "#") echo '# comment' >> "$1";; ">") echo >> "$1";; bad) - action="badcmd";; + action="pickled";; fakesha) test \& != "$action" || action=pick echo "$action XXXXXXX False commit" >> "$1" - action=pick;; + action=\&;; *) sed -n "${line}s/^[a-z][a-z]*/$action/p" < "$1".tmp >> "$1" action=\&;; @@ -147,3 +154,78 @@ test_editor_unchanged () { EOF test_cmp expect actual } + +# Set up an editor for testing reword commands +# Checks that there are no uncommitted changes when rewording and that the +# todo-list is reread after each +set_reword_editor () { + >reword-actual && + >reword-oid && + + # Check rewording keeps the original authorship + GIT_AUTHOR_NAME="Reword Author" + GIT_AUTHOR_EMAIL="reword.author@example.com" + GIT_AUTHOR_DATE=@123456 + + write_script reword-sequence-editor.sh <<-\EOF && + todo="$(cat "$1")" && + echo "exec git log -1 --pretty=format:'%an <%ae> %at%n%B%n' \ + >>reword-actual" >"$1" && + printf "%s\n" "$todo" >>"$1" + EOF + + write_script reword-editor.sh <<-EOF && + # Save the oid of the first reworded commit so we can check rebase + # fast-forwards to it. Also check that we do not write .git/MERGE_MSG + # when fast-forwarding + if ! test -s reword-oid + then + git rev-parse HEAD >reword-oid && + if test -f .git/MERGE_MSG + then + echo 1>&2 "error: .git/MERGE_MSG exists" + exit 1 + fi + fi && + # There should be no uncommited changes + git diff --exit-code HEAD && + # The todo-list should be re-read after a reword + GIT_SEQUENCE_EDITOR="\"$PWD/reword-sequence-editor.sh\"" \ + git rebase --edit-todo && + echo edited >>"\$1" + EOF + + test_set_editor "$PWD/reword-editor.sh" +} + +# Check the results of a rebase after calling set_reword_editor +# Pass the commits that were reworded in the order that they were picked +# Expects the first pick to be a fast-forward +check_reworded_commits () { + test_cmp_rev "$(cat reword-oid)" "$1^{commit}" && + git log --format="%an <%ae> %at%n%B%nedited%n" --no-walk=unsorted "$@" \ + >reword-expected && + test_cmp reword-expected reword-actual && + git log --format="%an <%ae> %at%n%B" -n $# --first-parent --reverse \ + >reword-log && + test_cmp reword-expected reword-log +} + +# usage: set_replace_editor <file> +# +# Replace the todo file with the exact contents of the given file. +# N.B. sets GIT_SEQUENCE_EDITOR rather than EDITOR so it can be +# combined with set_fake_editor to reword commits and replace the +# todo list +set_replace_editor () { + cat >script <<-\EOF && + cat FILENAME >"$1" + + echo 'rebase -i script after editing:' + cat "$1" + EOF + + sed -e "s/FILENAME/$1/g" script | + write_script fake-sequence-editor.sh && + test_set_sequence_editor "$(pwd)/fake-sequence-editor.sh" +} |