diff options
| -rw-r--r-- | Documentation/gitremote-helpers.txt | 12 | ||||
| -rwxr-xr-x | git-remote-testgit | 26 | ||||
| -rwxr-xr-x | t/t5801-remote-helpers.sh | 75 | ||||
| -rw-r--r-- | transport-helper.c | 48 |
4 files changed, 118 insertions, 43 deletions
diff --git a/Documentation/gitremote-helpers.txt b/Documentation/gitremote-helpers.txt index da746419b3..0827f69139 100644 --- a/Documentation/gitremote-helpers.txt +++ b/Documentation/gitremote-helpers.txt @@ -159,11 +159,11 @@ Miscellaneous capabilities carried out. 'refspec' <refspec>:: - This modifies the 'import' capability, allowing the produced - fast-import stream to modify refs in a private namespace - instead of writing to refs/heads or refs/remotes directly. + For remote helpers that implement 'import' or 'export', this capability + allows the refs to be constrained to a private namespace, instead of + writing to refs/heads or refs/remotes directly. It is recommended that all importers providing the 'import' - capability use this. + capability use this. It's mandatory for 'export'. + A helper advertising the capability `refspec refs/heads/*:refs/svn/origin/branches/*` @@ -174,8 +174,8 @@ ref. This capability can be advertised multiple times. The first applicable refspec takes precedence. The left-hand of refspecs advertised with this capability must cover all refs reported by -the list command. If a helper does not need a specific 'refspec' -capability then it should advertise `refspec *:*`. +the list command. If no 'refspec' capability is advertised, +there is an implied `refspec *:*`. 'bidi-import':: This modifies the 'import' capability. diff --git a/git-remote-testgit b/git-remote-testgit index e7ed3a33e6..2b865deeb1 100755 --- a/git-remote-testgit +++ b/git-remote-testgit @@ -62,12 +62,31 @@ do echo "feature import-marks=$gitmarks" echo "feature export-marks=$gitmarks" fi + + if test -n "$GIT_REMOTE_TESTGIT_FAILURE" + then + echo "feature done" + exit 1 + fi + echo "feature done" git fast-export "${testgitmarks_args[@]}" $refs | sed -e "s#refs/heads/#${prefix}/heads/#g" echo "done" ;; export) + if test -n "$GIT_REMOTE_TESTGIT_FAILURE" + then + # consume input so fast-export doesn't get SIGPIPE; + # git would also notice that case, but we want + # to make sure we are exercising the later + # error checks + while read line; do + test "done" = "$line" && break + done + exit 1 + fi + before=$(git for-each-ref --format='%(refname) %(objectname)') git fast-import "${testgitmarks_args[@]}" --quiet @@ -79,7 +98,12 @@ do while read ref a b do test $a == $b && continue - echo "ok $ref" + if test -z "$GIT_REMOTE_TESTGIT_PUSH_ERROR" + then + echo "ok $ref" + else + echo "error $ref $GIT_REMOTE_TESTGIT_PUSH_ERROR" + fi done echo diff --git a/t/t5801-remote-helpers.sh b/t/t5801-remote-helpers.sh index dbb02e2afd..16faa23154 100755 --- a/t/t5801-remote-helpers.sh +++ b/t/t5801-remote-helpers.sh @@ -101,39 +101,28 @@ test_expect_failure 'push new branch with old:new refspec' ' test_expect_success 'cloning without refspec' ' GIT_REMOTE_TESTGIT_REFSPEC="" \ - git clone "testgit::${PWD}/server" local2 && + git clone "testgit::${PWD}/server" local2 2>error && + grep "This remote helper should implement refspec capability" error && compare_refs local2 HEAD server HEAD ' test_expect_success 'pulling without refspecs' ' (cd local2 && git reset --hard && - GIT_REMOTE_TESTGIT_REFSPEC="" git pull) && + GIT_REMOTE_TESTGIT_REFSPEC="" git pull 2>../error) && + grep "This remote helper should implement refspec capability" error && compare_refs local2 HEAD server HEAD ' -test_expect_failure 'pushing without refspecs' ' +test_expect_success 'pushing without refspecs' ' test_when_finished "(cd local2 && git reset --hard origin)" && (cd local2 && echo content >>file && git commit -a -m ten && - GIT_REMOTE_TESTGIT_REFSPEC="" git push) && - compare_refs local2 HEAD server HEAD -' - -test_expect_success 'pulling with straight refspec' ' - (cd local2 && - GIT_REMOTE_TESTGIT_REFSPEC="*:*" git pull) && - compare_refs local2 HEAD server HEAD -' - -test_expect_failure 'pushing with straight refspec' ' - test_when_finished "(cd local2 && git reset --hard origin)" && - (cd local2 && - echo content >>file && - git commit -a -m eleven && - GIT_REMOTE_TESTGIT_REFSPEC="*:*" git push) && - compare_refs local2 HEAD server HEAD + GIT_REMOTE_TESTGIT_REFSPEC="" && + export GIT_REMOTE_TESTGIT_REFSPEC && + test_must_fail git push 2>../error) && + grep "remote-helper doesn.t support push; refspec needed" error ' test_expect_success 'pulling without marks' ' @@ -186,6 +175,52 @@ test_expect_success GPG 'push signed tag with signed-tags capability' ' compare_refs local signed-tag-2 server signed-tag-2 ' +test_expect_success 'push update refs' ' + (cd local && + git checkout -b update master && + echo update >>file && + git commit -a -m update && + git push origin update && + git rev-parse --verify remotes/origin/update >expect && + git rev-parse --verify testgit/origin/heads/update >actual && + test_cmp expect actual + ) +' + +test_expect_success 'push update refs failure' ' + (cd local && + git checkout update && + echo "update fail" >>file && + git commit -a -m "update fail" && + git rev-parse --verify testgit/origin/heads/update >expect && + GIT_REMOTE_TESTGIT_PUSH_ERROR="non-fast forward" && + export GIT_REMOTE_TESTGIT_PUSH_ERROR && + test_expect_code 1 git push origin update && + git rev-parse --verify testgit/origin/heads/update >actual && + test_cmp expect actual + ) +' + +test_expect_success 'proper failure checks for fetching' ' + (GIT_REMOTE_TESTGIT_FAILURE=1 && + export GIT_REMOTE_TESTGIT_FAILURE && + cd local && + test_must_fail git fetch 2> error && + cat error && + grep -q "Error while running fast-import" error + ) +' + +test_expect_success 'proper failure checks for pushing' ' + (GIT_REMOTE_TESTGIT_FAILURE=1 && + export GIT_REMOTE_TESTGIT_FAILURE && + cd local && + test_must_fail git push --all 2> error && + cat error && + grep -q "Reading from helper .git-remote-testgit. failed" error + ) +' + test_expect_success 'push messages' ' (cd local && git checkout -b new_branch master && diff --git a/transport-helper.c b/transport-helper.c index 522d79178e..2f5ac3fbee 100644 --- a/transport-helper.c +++ b/transport-helper.c @@ -11,6 +11,7 @@ #include "thread-utils.h" #include "sigchain.h" #include "argv-array.h" +#include "refs.h" static int debug; @@ -47,7 +48,7 @@ static void sendline(struct helper_data *helper, struct strbuf *buffer) die_errno("Full write to remote helper failed"); } -static int recvline_fh(FILE *helper, struct strbuf *buffer) +static int recvline_fh(FILE *helper, struct strbuf *buffer, const char *name) { strbuf_reset(buffer); if (debug) @@ -55,7 +56,7 @@ static int recvline_fh(FILE *helper, struct strbuf *buffer) if (strbuf_getline(buffer, helper, '\n') == EOF) { if (debug) fprintf(stderr, "Debug: Remote helper quit.\n"); - exit(128); + die("Reading from helper 'git-remote-%s' failed", name); } if (debug) @@ -65,7 +66,7 @@ static int recvline_fh(FILE *helper, struct strbuf *buffer) static int recvline(struct helper_data *helper, struct strbuf *buffer) { - return recvline_fh(helper->out, buffer); + return recvline_fh(helper->out, buffer, helper->name); } static void xchgline(struct helper_data *helper, struct strbuf *buffer) @@ -217,6 +218,8 @@ static struct child_process *get_helper(struct transport *transport) for (i = 0; i < refspec_nr; i++) free((char *)refspecs[i]); free(refspecs); + } else if (data->import || data->bidi_import || data->export) { + warning("This remote helper should implement refspec capability."); } strbuf_release(&buf); if (debug) @@ -473,7 +476,7 @@ static int fetch_with_import(struct transport *transport, * were fetching. * * (If no "refspec" capability was specified, for historical - * reasons we default to *:*.) + * reasons we default to the equivalent of *:*.) * * Store the result in to_fetch[i].old_sha1. Callers such * as "git fetch" can use the value to write feedback to the @@ -540,7 +543,7 @@ static int process_connect_service(struct transport *transport, goto exit; sendline(data, &cmdbuf); - recvline_fh(input, &cmdbuf); + recvline_fh(input, &cmdbuf, name); if (!strcmp(cmdbuf.buf, "")) { data->no_disconnect_req = 1; if (debug) @@ -622,7 +625,7 @@ static int fetch(struct transport *transport, return -1; } -static void push_update_ref_status(struct strbuf *buf, +static int push_update_ref_status(struct strbuf *buf, struct ref **ref, struct ref *remote_refs) { @@ -688,7 +691,7 @@ static void push_update_ref_status(struct strbuf *buf, *ref = find_ref_by_name(remote_refs, refname); if (!*ref) { warning("helper reported unexpected status of %s", refname); - return; + return 1; } if ((*ref)->status != REF_STATUS_NONE) { @@ -697,11 +700,12 @@ static void push_update_ref_status(struct strbuf *buf, * status reported by the remote helper if the latter is 'no match'. */ if (status == REF_STATUS_NONE) - return; + return 1; } (*ref)->status = status; (*ref)->remote_status = msg; + return !(status == REF_STATUS_OK); } static void push_update_refs_status(struct helper_data *data, @@ -710,11 +714,24 @@ static void push_update_refs_status(struct helper_data *data, struct strbuf buf = STRBUF_INIT; struct ref *ref = remote_refs; for (;;) { + char *private; + recvline(data, &buf); if (!buf.len) break; - push_update_ref_status(&buf, &ref, remote_refs); + if (push_update_ref_status(&buf, &ref, remote_refs)) + continue; + + if (!data->refspecs) + continue; + + /* propagate back the update to the remote namespace */ + private = apply_refspecs(data->refspecs, data->refspec_nr, ref->name); + if (!private) + continue; + update_ref("update by helper", private, ref->new_sha1, NULL, 0, 0); + free(private); } strbuf_release(&buf); } @@ -789,6 +806,9 @@ static int push_refs_with_export(struct transport *transport, struct string_list revlist_args = STRING_LIST_INIT_NODUP; struct strbuf buf = STRBUF_INIT; + if (!data->refspecs) + die("remote-helper doesn't support push; refspec needed"); + helper = get_helper(transport); write_constant(helper->in, "export\n"); @@ -799,8 +819,9 @@ static int push_refs_with_export(struct transport *transport, char *private; unsigned char sha1[20]; - if (!data->refspecs) - continue; + if (ref->deletion) + die("remote-helpers do not support ref deletion"); + private = apply_refspecs(data->refspecs, data->refspec_nr, ref->name); if (private && !get_sha1(private, sha1)) { strbuf_addf(&buf, "^%s", private); @@ -809,13 +830,8 @@ static int push_refs_with_export(struct transport *transport, } free(private); - if (ref->deletion) { - die("remote-helpers do not support ref deletion"); - } - if (ref->peer_ref) string_list_append(&revlist_args, ref->peer_ref->name); - } if (get_exporter(transport, &exporter, &revlist_args)) |