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https://github.com/git/git
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6ee353d42f
The approach to "fsck" the incoming objects in "index-pack" is attractive for performance reasons (we have them already in core, inflated and ready to be inspected), but fundamentally cannot be applied fully when we receive more than one pack stream, as a tree object in one pack may refer to a blob object in another pack as ".gitmodules", when we want to inspect blobs that are used as ".gitmodules" file, for example. Teach "index-pack" to emit objects that must be inspected later and check them in the calling "fetch-pack" process. * jt/transfer-fsck-across-packs: fetch-pack: print and use dangling .gitmodules fetch-pack: with packfile URIs, use index-pack arg http-fetch: allow custom index-pack args http: allow custom index-pack args
485 lines
16 KiB
Bash
Executable file
485 lines
16 KiB
Bash
Executable file
#!/bin/sh
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test_description='test dumb fetching over http via static file'
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GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
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export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
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. ./test-lib.sh
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. "$TEST_DIRECTORY"/lib-httpd.sh
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start_httpd
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test_expect_success 'setup repository' '
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git config push.default matching &&
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echo content1 >file &&
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git add file &&
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git commit -m one &&
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echo content2 >file &&
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git add file &&
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git commit -m two
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'
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test_expect_success 'create http-accessible bare repository with loose objects' '
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cp -R .git "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
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(cd "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
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git config core.bare true &&
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mkdir -p hooks &&
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write_script "hooks/post-update" <<-\EOF &&
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exec git update-server-info
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EOF
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hooks/post-update
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) &&
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git remote add public "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" &&
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git push public main:main
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'
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test_expect_success 'clone http repository' '
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git clone $HTTPD_URL/dumb/repo.git clone-tmpl &&
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cp -R clone-tmpl clone &&
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test_cmp file clone/file
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'
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test_expect_success 'list refs from outside any repository' '
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cat >expect <<-EOF &&
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$(git rev-parse main) HEAD
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$(git rev-parse main) refs/heads/main
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EOF
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nongit git ls-remote "$HTTPD_URL/dumb/repo.git" >actual &&
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test_cmp expect actual
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'
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test_expect_success 'create password-protected repository' '
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mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/" &&
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cp -Rf "$HTTPD_DOCUMENT_ROOT_PATH/repo.git" \
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"$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git"
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'
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test_expect_success 'create empty remote repository' '
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git init --bare "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
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(cd "$HTTPD_DOCUMENT_ROOT_PATH/empty.git" &&
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mkdir -p hooks &&
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write_script "hooks/post-update" <<-\EOF &&
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exec git update-server-info
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EOF
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hooks/post-update
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)
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'
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test_expect_success 'empty dumb HTTP repository has default hash algorithm' '
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test_when_finished "rm -fr clone-empty" &&
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git clone $HTTPD_URL/dumb/empty.git clone-empty &&
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git -C clone-empty rev-parse --show-object-format >empty-format &&
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test "$(cat empty-format)" = "$(test_oid algo)"
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'
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setup_askpass_helper
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test_expect_success 'cloning password-protected repository can fail' '
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set_askpass wrong &&
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test_must_fail git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-fail &&
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expect_askpass both wrong
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'
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test_expect_success 'http auth can use user/pass in URL' '
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set_askpass wrong &&
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git clone "$HTTPD_URL_USER_PASS/auth/dumb/repo.git" clone-auth-none &&
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expect_askpass none
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'
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test_expect_success 'http auth can use just user in URL' '
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set_askpass wrong pass@host &&
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git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-pass &&
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expect_askpass pass user@host
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'
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test_expect_success 'http auth can request both user and pass' '
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set_askpass user@host pass@host &&
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git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-both &&
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expect_askpass both user@host
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'
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test_expect_success 'http auth respects credential helper config' '
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test_config_global credential.helper "!f() {
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cat >/dev/null
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echo username=user@host
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echo password=pass@host
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}; f" &&
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set_askpass wrong &&
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git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-helper &&
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expect_askpass none
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'
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test_expect_success 'http auth can get username from config' '
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test_config_global "credential.$HTTPD_URL.username" user@host &&
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set_askpass wrong pass@host &&
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git clone "$HTTPD_URL/auth/dumb/repo.git" clone-auth-user &&
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expect_askpass pass user@host
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'
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test_expect_success 'configured username does not override URL' '
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test_config_global "credential.$HTTPD_URL.username" wrong &&
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set_askpass wrong pass@host &&
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git clone "$HTTPD_URL_USER/auth/dumb/repo.git" clone-auth-user2 &&
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expect_askpass pass user@host
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'
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test_expect_success 'set up repo with http submodules' '
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git init super &&
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set_askpass user@host pass@host &&
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(
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cd super &&
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git submodule add "$HTTPD_URL/auth/dumb/repo.git" sub &&
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git commit -m "add submodule"
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)
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'
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test_expect_success 'cmdline credential config passes to submodule via clone' '
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set_askpass wrong pass@host &&
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test_must_fail git clone --recursive super super-clone &&
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rm -rf super-clone &&
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set_askpass wrong pass@host &&
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git -c "credential.$HTTPD_URL.username=user@host" \
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clone --recursive super super-clone &&
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expect_askpass pass user@host
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'
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test_expect_success 'cmdline credential config passes submodule via fetch' '
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set_askpass wrong pass@host &&
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test_must_fail git -C super-clone fetch --recurse-submodules &&
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set_askpass wrong pass@host &&
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git -C super-clone \
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-c "credential.$HTTPD_URL.username=user@host" \
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fetch --recurse-submodules &&
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expect_askpass pass user@host
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'
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test_expect_success 'cmdline credential config passes submodule update' '
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# advance the submodule HEAD so that a fetch is required
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git commit --allow-empty -m foo &&
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git push "$HTTPD_DOCUMENT_ROOT_PATH/auth/dumb/repo.git" HEAD &&
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sha1=$(git rev-parse HEAD) &&
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git -C super-clone update-index --cacheinfo 160000,$sha1,sub &&
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set_askpass wrong pass@host &&
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test_must_fail git -C super-clone submodule update &&
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set_askpass wrong pass@host &&
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git -C super-clone \
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-c "credential.$HTTPD_URL.username=user@host" \
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submodule update &&
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expect_askpass pass user@host
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'
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test_expect_success 'fetch changes via http' '
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echo content >>file &&
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git commit -a -m two &&
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git push public &&
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(cd clone && git pull) &&
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test_cmp file clone/file
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'
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test_expect_success 'fetch changes via manual http-fetch' '
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cp -R clone-tmpl clone2 &&
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HEAD=$(git rev-parse --verify HEAD) &&
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(cd clone2 &&
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git http-fetch -a -w heads/main-new $HEAD $(git config remote.origin.url) &&
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git checkout main-new &&
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test $HEAD = $(git rev-parse --verify HEAD)) &&
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test_cmp file clone2/file
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'
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test_expect_success 'manual http-fetch without -a works just as well' '
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cp -R clone-tmpl clone3 &&
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HEAD=$(git rev-parse --verify HEAD) &&
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(cd clone3 &&
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git http-fetch -w heads/main-new $HEAD $(git config remote.origin.url) &&
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git checkout main-new &&
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test $HEAD = $(git rev-parse --verify HEAD)) &&
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test_cmp file clone3/file
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'
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test_expect_success 'http remote detects correct HEAD' '
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git push public main:other &&
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(cd clone &&
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git remote set-head origin -d &&
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git remote set-head origin -a &&
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git symbolic-ref refs/remotes/origin/HEAD > output &&
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echo refs/remotes/origin/main > expect &&
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test_cmp expect output
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)
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'
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test_expect_success 'fetch packed objects' '
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cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
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(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git &&
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git --bare repack -a -d
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) &&
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git clone $HTTPD_URL/dumb/repo_pack.git
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'
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test_expect_success 'http-fetch --packfile' '
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# Arbitrary hash. Use rev-parse so that we get one of the correct
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# length.
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ARBITRARY=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
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git init packfileclient &&
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p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git && ls objects/pack/pack-*.pack) &&
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git -C packfileclient http-fetch --packfile=$ARBITRARY \
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--index-pack-arg=index-pack --index-pack-arg=--stdin \
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--index-pack-arg=--keep \
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"$HTTPD_URL"/dumb/repo_pack.git/$p >out &&
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grep "^keep.[0-9a-f]\{16,\}$" out &&
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cut -c6- out >packhash &&
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# Ensure that the expected files are generated
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test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).pack" &&
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test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).idx" &&
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test -e "packfileclient/.git/objects/pack/pack-$(cat packhash).keep" &&
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# Ensure that it has the HEAD of repo_pack, at least
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HASH=$(git -C "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git rev-parse HEAD) &&
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git -C packfileclient cat-file -e "$HASH"
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'
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test_expect_success 'fetch notices corrupt pack' '
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cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
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(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git &&
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p=$(ls objects/pack/pack-*.pack) &&
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chmod u+w $p &&
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printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc
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) &&
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mkdir repo_bad1.git &&
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(cd repo_bad1.git &&
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git --bare init &&
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test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad1.git &&
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test 0 = $(ls objects/pack/pack-*.pack | wc -l)
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)
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'
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test_expect_success 'http-fetch --packfile with corrupt pack' '
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rm -rf packfileclient &&
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git init packfileclient &&
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p=$(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad1.git && ls objects/pack/pack-*.pack) &&
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test_must_fail git -C packfileclient http-fetch --packfile \
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"$HTTPD_URL"/dumb/repo_bad1.git/$p
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'
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test_expect_success 'fetch notices corrupt idx' '
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cp -R "$HTTPD_DOCUMENT_ROOT_PATH"/repo_pack.git "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
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(cd "$HTTPD_DOCUMENT_ROOT_PATH"/repo_bad2.git &&
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p=$(ls objects/pack/pack-*.idx) &&
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chmod u+w $p &&
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printf %0256d 0 | dd of=$p bs=256 count=1 seek=1 conv=notrunc
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) &&
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mkdir repo_bad2.git &&
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(cd repo_bad2.git &&
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git --bare init &&
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test_must_fail git --bare fetch $HTTPD_URL/dumb/repo_bad2.git &&
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test 0 = $(ls objects/pack | wc -l)
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)
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'
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test_expect_success 'fetch can handle previously-fetched .idx files' '
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git checkout --orphan branch1 &&
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echo base >file &&
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git add file &&
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git commit -m base &&
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git --bare init "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git &&
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git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch1 &&
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git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
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git checkout -b branch2 branch1 &&
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echo b2 >>file &&
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git commit -a -m b2 &&
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git push "$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git branch2 &&
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git --git-dir="$HTTPD_DOCUMENT_ROOT_PATH"/repo_packed_branches.git repack -d &&
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git --bare init clone_packed_branches.git &&
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git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch1:branch1 &&
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git --git-dir=clone_packed_branches.git fetch "$HTTPD_URL"/dumb/repo_packed_branches.git branch2:branch2
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'
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test_expect_success 'did not use upload-pack service' '
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! grep "/git-upload-pack" "$HTTPD_ROOT_PATH/access.log"
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'
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test_expect_success 'git client shows text/plain errors' '
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test_must_fail git clone "$HTTPD_URL/error/text" 2>stderr &&
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grep "this is the error message" stderr
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'
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test_expect_success 'git client does not show html errors' '
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test_must_fail git clone "$HTTPD_URL/error/html" 2>stderr &&
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! grep "this is the error message" stderr
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'
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test_expect_success 'git client shows text/plain with a charset' '
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test_must_fail git clone "$HTTPD_URL/error/charset" 2>stderr &&
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grep "this is the error message" stderr
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'
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test_expect_success 'http error messages are reencoded' '
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test_must_fail git clone "$HTTPD_URL/error/utf16" 2>stderr &&
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grep "this is the error message" stderr
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'
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test_expect_success 'reencoding is robust to whitespace oddities' '
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test_must_fail git clone "$HTTPD_URL/error/odd-spacing" 2>stderr &&
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grep "this is the error message" stderr
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'
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check_language () {
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case "$2" in
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'')
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>expect
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;;
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?*)
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echo "=> Send header: Accept-Language: $1" >expect
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;;
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esac &&
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GIT_TRACE_CURL=true \
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LANGUAGE=$2 \
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git ls-remote "$HTTPD_URL/dumb/repo.git" >output 2>&1 &&
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tr -d '\015' <output |
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sort -u |
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sed -ne '/^=> Send header: Accept-Language:/ p' >actual &&
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test_cmp expect actual
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}
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test_expect_success 'git client sends Accept-Language based on LANGUAGE' '
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check_language "ko-KR, *;q=0.9" ko_KR.UTF-8'
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test_expect_success 'git client sends Accept-Language correctly with unordinary LANGUAGE' '
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check_language "ko-KR, *;q=0.9" "ko_KR:" &&
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check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR::en_US" &&
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check_language "ko-KR, *;q=0.9" ":::ko_KR" &&
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check_language "ko-KR, en-US;q=0.9, *;q=0.8" "ko_KR!!:en_US" &&
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check_language "ko-KR, ja-JP;q=0.9, *;q=0.8" "ko_KR en_US:ja_JP"'
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test_expect_success 'git client sends Accept-Language with many preferred languages' '
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check_language "ko-KR, en-US;q=0.9, fr-CA;q=0.8, de;q=0.7, sr;q=0.6, \
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ja;q=0.5, zh;q=0.4, sv;q=0.3, pt;q=0.2, *;q=0.1" \
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ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt &&
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check_language "ko-KR, en-US;q=0.99, fr-CA;q=0.98, de;q=0.97, sr;q=0.96, \
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ja;q=0.95, zh;q=0.94, sv;q=0.93, pt;q=0.92, nb;q=0.91, *;q=0.90" \
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ko_KR.EUC-KR:en_US.UTF-8:fr_CA:de.UTF-8@euro:sr@latin:ja:zh:sv:pt:nb
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'
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test_expect_success 'git client does not send an empty Accept-Language' '
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GIT_TRACE_CURL=true LANGUAGE= git ls-remote "$HTTPD_URL/dumb/repo.git" 2>stderr &&
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! grep "^=> Send header: Accept-Language:" stderr
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'
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test_expect_success 'remote-http complains cleanly about malformed urls' '
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test_must_fail git remote-http http::/example.com/repo.git 2>stderr &&
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test_i18ngrep "url has no scheme" stderr
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'
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# NEEDSWORK: Writing commands to git-remote-curl can race against the latter
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# erroring out, producing SIGPIPE. Remove "ok=sigpipe" once transport-helper has
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# learned to handle early remote helper failures more cleanly.
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test_expect_success 'remote-http complains cleanly about empty scheme' '
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test_must_fail ok=sigpipe git ls-remote \
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http::${HTTPD_URL#http}/dumb/repo.git 2>stderr &&
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test_i18ngrep "url has no scheme" stderr
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'
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test_expect_success 'redirects can be forbidden/allowed' '
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test_must_fail git -c http.followRedirects=false \
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clone $HTTPD_URL/dumb-redir/repo.git dumb-redir &&
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git -c http.followRedirects=true \
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clone $HTTPD_URL/dumb-redir/repo.git dumb-redir 2>stderr
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'
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test_expect_success 'redirects are reported to stderr' '
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# just look for a snippet of the redirected-to URL
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test_i18ngrep /dumb/ stderr
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'
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test_expect_success 'non-initial redirects can be forbidden' '
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test_must_fail git -c http.followRedirects=initial \
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clone $HTTPD_URL/redir-objects/repo.git redir-objects &&
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git -c http.followRedirects=true \
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clone $HTTPD_URL/redir-objects/repo.git redir-objects
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'
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test_expect_success 'http.followRedirects defaults to "initial"' '
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test_must_fail git clone $HTTPD_URL/redir-objects/repo.git default
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'
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# The goal is for a clone of the "evil" repository, which has no objects
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# itself, to cause the client to fetch objects from the "victim" repository.
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test_expect_success 'set up evil alternates scheme' '
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victim=$HTTPD_DOCUMENT_ROOT_PATH/victim.git &&
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git init --bare "$victim" &&
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git -C "$victim" --work-tree=. commit --allow-empty -m secret &&
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git -C "$victim" repack -ad &&
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git -C "$victim" update-server-info &&
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sha1=$(git -C "$victim" rev-parse HEAD) &&
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evil=$HTTPD_DOCUMENT_ROOT_PATH/evil.git &&
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git init --bare "$evil" &&
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# do this by hand to avoid object existence check
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printf "%s\\t%s\\n" $sha1 refs/heads/main >"$evil/info/refs"
|
|
'
|
|
|
|
# Here we'll just redirect via HTTP. In a real-world attack these would be on
|
|
# different servers, but we should reject it either way.
|
|
test_expect_success 'http-alternates is a non-initial redirect' '
|
|
echo "$HTTPD_URL/dumb/victim.git/objects" \
|
|
>"$evil/objects/info/http-alternates" &&
|
|
test_must_fail git -c http.followRedirects=initial \
|
|
clone $HTTPD_URL/dumb/evil.git evil-initial &&
|
|
git -c http.followRedirects=true \
|
|
clone $HTTPD_URL/dumb/evil.git evil-initial
|
|
'
|
|
|
|
# Curl supports a lot of protocols that we'd prefer not to allow
|
|
# http-alternates to use, but it's hard to test whether curl has
|
|
# accessed, say, the SMTP protocol, because we are not running an SMTP server.
|
|
# But we can check that it does not allow access to file://, which would
|
|
# otherwise allow this clone to complete.
|
|
test_expect_success 'http-alternates cannot point at funny protocols' '
|
|
echo "file://$victim/objects" >"$evil/objects/info/http-alternates" &&
|
|
test_must_fail git -c http.followRedirects=true \
|
|
clone "$HTTPD_URL/dumb/evil.git" evil-file
|
|
'
|
|
|
|
test_expect_success 'http-alternates triggers not-from-user protocol check' '
|
|
echo "$HTTPD_URL/dumb/victim.git/objects" \
|
|
>"$evil/objects/info/http-alternates" &&
|
|
test_config_global http.followRedirects true &&
|
|
test_must_fail git -c protocol.http.allow=user \
|
|
clone $HTTPD_URL/dumb/evil.git evil-user &&
|
|
git -c protocol.http.allow=always \
|
|
clone $HTTPD_URL/dumb/evil.git evil-user
|
|
'
|
|
|
|
test_expect_success 'can redirect through non-"info/refs?service=git-upload-pack" URL' '
|
|
git clone "$HTTPD_URL/redir-to/dumb/repo.git"
|
|
'
|
|
|
|
test_expect_success 'print HTTP error when any intermediate redirect throws error' '
|
|
test_must_fail git clone "$HTTPD_URL/redir-to/502" 2> stderr &&
|
|
test_i18ngrep "unable to access.*/redir-to/502" stderr
|
|
'
|
|
|
|
test_expect_success 'fetching via http alternates works' '
|
|
parent=$HTTPD_DOCUMENT_ROOT_PATH/alt-parent.git &&
|
|
git init --bare "$parent" &&
|
|
git -C "$parent" --work-tree=. commit --allow-empty -m foo &&
|
|
git -C "$parent" update-server-info &&
|
|
commit=$(git -C "$parent" rev-parse HEAD) &&
|
|
|
|
child=$HTTPD_DOCUMENT_ROOT_PATH/alt-child.git &&
|
|
git init --bare "$child" &&
|
|
echo "../../alt-parent.git/objects" >"$child/objects/info/alternates" &&
|
|
git -C "$child" update-ref HEAD $commit &&
|
|
git -C "$child" update-server-info &&
|
|
|
|
git -c http.followredirects=true clone "$HTTPD_URL/dumb/alt-child.git"
|
|
'
|
|
|
|
test_done
|