[appng] Running shell script
+ git merge -ff appng-1.14.1-release
error: unknown switch `f'
usage: git merge [options] [<commit>...]
or: git merge [options] <msg> HEAD <commit>
or: git merge --abort
-n do not show a diffstat at the end of the merge
--stat show a diffstat at the end of the merge
--summary (synonym to --stat)
--log[=<n>] add (at most <n>) entries from shortlog to merge commit message
--squash create a single commit instead of doing a merge
--commit perform a commit if the merge succeeds (default)
-e, --edit edit message before committing
--ff allow fast-forward (default)
--ff-only abort if fast-forward is not possible
--rerere-autoupdate update the index with reused conflict resolution if possible
--verify-signatures Verify that the named commit has a valid GPG signature
-s, --strategy <strategy>
merge strategy to use
-X, --strategy-option <option=value>
option for selected merge strategy
-m, --message <message>
merge commit message (for a non-fast-forward merge)
-v, --verbose be more verbose
-q, --quiet be more quiet
--abort abort the current in-progress merge
--progress force progress reporting
-S, --gpg-sign[=<key-id>]
GPG sign commit
--overwrite-ignore update ignored files (default)