mirror of
https://github.com/git/git.git
synced 2024-05-04 00:46:12 +02:00
subtree: be stricter about validating flags
Don't silently ignore a flag that's invalid for a given subcommand. The user expected it to do something; we should tell the user that they are mistaken, instead of surprising the user. It could be argued that this change might break existing users. I'd argue that those existing users are already broken, and they just don't know it. Let them know that they're broken. Signed-off-by: Luke Shumaker <lukeshu@datawire.io> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Luke Shumaker
Junio C Hamano
parent
49470cd445
commit
9a3e3ca2ba
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@ -44,17 +44,6 @@ squash merge subtree changes as a single commit
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m,message= use the given message as the commit message for the merge commit
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"
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arg_debug=
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arg_command=
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arg_prefix=
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arg_split_branch=
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arg_split_onto=
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arg_split_rejoin=
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arg_split_ignore_joins=
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arg_split_annotate=
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arg_addmerge_squash=
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arg_addmerge_message=
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indent=0
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# Usage: debug [MSG...]
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@ -106,10 +95,61 @@ main () {
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then
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set -- -h
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fi
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eval "$(echo "$OPTS_SPEC" | git rev-parse --parseopt -- "$@" || echo exit $?)"
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set_args="$(echo "$OPTS_SPEC" | git rev-parse --parseopt -- "$@" || echo exit $?)"
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eval "$set_args"
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. git-sh-setup
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require_work_tree
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# First figure out the command and whether we use --rejoin, so
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# that we can provide more helpful validation when we do the
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# "real" flag parsing.
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arg_split_rejoin=
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allow_split=
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allow_addmerge=
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while test $# -gt 0
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do
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opt="$1"
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shift
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case "$opt" in
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--annotate|-b|-P|-m|--onto)
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shift
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;;
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--rejoin)
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arg_split_rejoin=1
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;;
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--no-rejoin)
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arg_split_rejoin=
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;;
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--)
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break
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;;
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esac
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done
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arg_command=$1
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case "$arg_command" in
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add|merge|pull)
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allow_addmerge=1
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;;
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split|push)
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allow_split=1
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allow_addmerge=$arg_split_rejoin
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;;
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*)
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die "Unknown command '$arg_command'"
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;;
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esac
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# Reset the arguments array for "real" flag parsing.
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eval "$set_args"
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# Begin "real" flag parsing.
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arg_debug=
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arg_prefix=
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arg_split_branch=
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arg_split_onto=
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arg_split_ignore_joins=
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arg_split_annotate=
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arg_addmerge_squash=
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arg_addmerge_message=
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while test $# -gt 0
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do
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opt="$1"
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@ -123,13 +163,16 @@ main () {
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arg_debug=1
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;;
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--annotate)
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test -n "$allow_split" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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arg_split_annotate="$1"
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shift
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;;
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--no-annotate)
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test -n "$allow_split" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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arg_split_annotate=
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;;
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-b)
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test -n "$allow_split" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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arg_split_branch="$1"
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shift
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;;
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@ -138,6 +181,7 @@ main () {
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shift
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;;
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-m)
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test -n "$allow_addmerge" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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arg_addmerge_message="$1"
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shift
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;;
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@ -145,28 +189,34 @@ main () {
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arg_prefix=
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;;
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--onto)
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test -n "$allow_split" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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arg_split_onto="$1"
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shift
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;;
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--no-onto)
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test -n "$allow_split" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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arg_split_onto=
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;;
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--rejoin)
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arg_split_rejoin=1
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test -n "$allow_split" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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;;
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--no-rejoin)
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arg_split_rejoin=
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test -n "$allow_split" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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;;
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--ignore-joins)
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test -n "$allow_split" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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arg_split_ignore_joins=1
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;;
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--no-ignore-joins)
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test -n "$allow_split" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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arg_split_ignore_joins=
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;;
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--squash)
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test -n "$allow_addmerge" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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arg_addmerge_squash=1
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;;
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--no-squash)
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test -n "$allow_addmerge" || die "The '$opt' flag does not make sense with 'git subtree $arg_command'."
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arg_addmerge_squash=
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;;
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--)
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@ -177,19 +227,8 @@ main () {
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;;
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esac
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done
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arg_command="$1"
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shift
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case "$arg_command" in
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add|merge|pull|split|push)
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:
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;;
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*)
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die "Unknown command '$arg_command'"
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;;
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esac
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if test -z "$arg_prefix"
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then
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die "You must provide the --prefix option."
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@ -33,6 +33,12 @@ test_create_commit () (
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git commit -m "$commit" || error "Could not commit"
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)
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test_wrong_flag() {
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test_must_fail "$@" >out 2>err &&
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test_must_be_empty out &&
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grep "flag does not make sense with" err
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}
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last_commit_subject () {
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git log --pretty=format:%s -1
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}
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@ -72,6 +78,22 @@ test_expect_success 'no pull from non-existent subtree' '
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)
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'
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test_expect_success 'add rejects flags for split' '
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subtree_test_create_repo "$test_count" &&
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subtree_test_create_repo "$test_count/sub proj" &&
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test_create_commit "$test_count" main1 &&
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test_create_commit "$test_count/sub proj" sub1 &&
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(
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cd "$test_count" &&
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git fetch ./"sub proj" HEAD &&
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test_wrong_flag git subtree add --prefix="sub dir" --annotate=foo FETCH_HEAD &&
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test_wrong_flag git subtree add --prefix="sub dir" --branch=foo FETCH_HEAD &&
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test_wrong_flag git subtree add --prefix="sub dir" --ignore-joins FETCH_HEAD &&
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test_wrong_flag git subtree add --prefix="sub dir" --onto=foo FETCH_HEAD &&
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test_wrong_flag git subtree add --prefix="sub dir" --rejoin FETCH_HEAD
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)
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'
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test_expect_success 'add subproj as subtree into sub dir/ with --prefix' '
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subtree_test_create_repo "$test_count" &&
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subtree_test_create_repo "$test_count/sub proj" &&
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@ -128,6 +150,28 @@ test_expect_success 'add subproj as subtree into sub dir/ with --squash and --pr
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# Tests for 'git subtree merge'
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#
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test_expect_success 'merge rejects flags for split' '
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subtree_test_create_repo "$test_count" &&
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subtree_test_create_repo "$test_count/sub proj" &&
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test_create_commit "$test_count" main1 &&
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test_create_commit "$test_count/sub proj" sub1 &&
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(
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cd "$test_count" &&
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git fetch ./"sub proj" HEAD &&
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git subtree add --prefix="sub dir" FETCH_HEAD
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) &&
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test_create_commit "$test_count/sub proj" sub2 &&
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(
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cd "$test_count" &&
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git fetch ./"sub proj" HEAD &&
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test_wrong_flag git subtree merge --prefix="sub dir" --annotate=foo FETCH_HEAD &&
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test_wrong_flag git subtree merge --prefix="sub dir" --branch=foo FETCH_HEAD &&
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test_wrong_flag git subtree merge --prefix="sub dir" --ignore-joins FETCH_HEAD &&
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test_wrong_flag git subtree merge --prefix="sub dir" --onto=foo FETCH_HEAD &&
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test_wrong_flag git subtree merge --prefix="sub dir" --rejoin FETCH_HEAD
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)
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'
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test_expect_success 'merge new subproj history into sub dir/ with --prefix' '
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subtree_test_create_repo "$test_count" &&
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subtree_test_create_repo "$test_count/sub proj" &&
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@ -262,6 +306,30 @@ test_expect_success 'split requires path given by option --prefix must exist' '
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)
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'
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test_expect_success 'split rejects flags for add' '
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subtree_test_create_repo "$test_count" &&
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subtree_test_create_repo "$test_count/sub proj" &&
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test_create_commit "$test_count" main1 &&
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test_create_commit "$test_count/sub proj" sub1 &&
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(
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cd "$test_count" &&
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git fetch ./"sub proj" HEAD &&
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git subtree add --prefix="sub dir" FETCH_HEAD
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) &&
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test_create_commit "$test_count" "sub dir"/main-sub1 &&
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test_create_commit "$test_count" main2 &&
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test_create_commit "$test_count/sub proj" sub2 &&
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test_create_commit "$test_count" "sub dir"/main-sub2 &&
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(
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cd "$test_count" &&
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git fetch ./"sub proj" HEAD &&
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git subtree merge --prefix="sub dir" FETCH_HEAD &&
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split_hash=$(git subtree split --prefix="sub dir" --annotate="*") &&
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test_wrong_flag git subtree split --prefix="sub dir" --squash &&
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test_wrong_flag git subtree split --prefix="sub dir" --message=foo
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)
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'
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test_expect_success 'split sub dir/ with --rejoin' '
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subtree_test_create_repo "$test_count" &&
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subtree_test_create_repo "$test_count/sub proj" &&
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@ -542,6 +610,26 @@ test_expect_success 'pull basic operation' '
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)
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'
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test_expect_success 'pull rejects flags for split' '
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subtree_test_create_repo "$test_count" &&
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subtree_test_create_repo "$test_count/sub proj" &&
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test_create_commit "$test_count" main1 &&
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test_create_commit "$test_count/sub proj" sub1 &&
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(
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cd "$test_count" &&
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git fetch ./"sub proj" HEAD &&
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git subtree add --prefix="sub dir" FETCH_HEAD
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) &&
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test_create_commit "$test_count/sub proj" sub2 &&
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(
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test_must_fail git subtree pull --prefix="sub dir" --annotate=foo ./"sub proj" HEAD &&
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test_must_fail git subtree pull --prefix="sub dir" --branch=foo ./"sub proj" HEAD &&
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test_must_fail git subtree pull --prefix="sub dir" --ignore-joins ./"sub proj" HEAD &&
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test_must_fail git subtree pull --prefix="sub dir" --onto=foo ./"sub proj" HEAD &&
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test_must_fail git subtree pull --prefix="sub dir" --rejoin ./"sub proj" HEAD
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)
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'
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#
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# Tests for 'git subtree push'
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#
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@ -584,6 +672,29 @@ test_expect_success 'push requires path given by option --prefix must exist' '
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)
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'
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test_expect_success 'push rejects flags for add' '
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subtree_test_create_repo "$test_count" &&
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subtree_test_create_repo "$test_count/sub proj" &&
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test_create_commit "$test_count" main1 &&
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test_create_commit "$test_count/sub proj" sub1 &&
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(
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cd "$test_count" &&
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git fetch ./"sub proj" HEAD &&
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git subtree add --prefix="sub dir" FETCH_HEAD
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) &&
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test_create_commit "$test_count" "sub dir"/main-sub1 &&
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test_create_commit "$test_count" main2 &&
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test_create_commit "$test_count/sub proj" sub2 &&
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test_create_commit "$test_count" "sub dir"/main-sub2 &&
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(
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cd "$test_count" &&
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git fetch ./"sub proj" HEAD &&
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git subtree merge --prefix="sub dir" FETCH_HEAD &&
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test_wrong_flag git subtree split --prefix="sub dir" --squash ./"sub proj" from-mainline &&
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test_wrong_flag git subtree split --prefix="sub dir" --message=foo ./"sub proj" from-mainline
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)
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'
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test_expect_success 'push basic operation' '
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subtree_test_create_repo "$test_count" &&
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subtree_test_create_repo "$test_count/sub proj" &&
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