3 # Copyright (c) 2012 Avery Pennaraum
4 # Copyright (c) 2015 Alexey Shumkin
6 test_description='Basic porcelain support for subtrees
8 This test verifies the basic operation of the add, pull, merge
9 and split subcommands of git subtree.
12 TEST_DIRECTORY=$(pwd)/../../../t
15 . ../../../t/test-lib.sh
26 test_debug "echo \"check a:\" \"{$1}\""
27 test_debug "echo \" b:\" \"{$2}\""
28 if [ "$1" = "$2" ]; then
37 git reset --hard HEAD~
40 # Make sure no patch changes more than one file.
41 # The original set of commits changed only one file each.
42 # A multi-file change would imply that we pruned commits
51 elif [ "$x" = "commit:" ]; then
52 if [ -n "$commit" ]; then
66 git log --pretty=format:%s -1
69 test_expect_success 'init subproj' '
70 test_create_repo "sub proj"
76 test_expect_success 'add sub1' '
78 git commit -m "sub1" &&
80 git branch -m master subproj
83 # Save this hash for testing later.
85 subdir_hash=$(git rev-parse HEAD)
87 test_expect_success 'add sub2' '
89 git commit -m "sub2" &&
93 test_expect_success 'add sub3' '
95 git commit -m "sub3" &&
102 test_expect_success 'enable log.date=relative to catch errors' '
103 git config log.date relative
106 test_expect_success 'add main4' '
108 git commit -m "main4" &&
109 git branch -m master mainline &&
113 test_expect_success 'fetch subproj history' '
114 git fetch ./"sub proj" sub1 &&
115 git branch sub1 FETCH_HEAD
118 test_expect_success 'no subtree exists in main tree' '
119 test_must_fail git subtree merge --prefix="sub dir" sub1
122 test_expect_success 'no pull from non-existant subtree' '
123 test_must_fail git subtree pull --prefix="sub dir" ./"sub proj" sub1
126 test_expect_success 'no merge from non-existent subtree' '
127 test_must_fail git subtree merge --prefix="sub dir" FETCH_HEAD
130 test_expect_success 'add subproj as subtree into sub dir/ with --prefix' '
131 git subtree add --prefix="sub dir" sub1 &&
132 check_equal "$(last_commit_message)" "Add '\''sub dir/'\'' from commit '\''$(git rev-parse sub1)'\''" &&
136 test_expect_success 'check if --message works for add' '
137 git subtree add --prefix="sub dir" --message="Added subproject" sub1 &&
138 check_equal ''"$(last_commit_message)"'' "Added subproject" &&
142 test_expect_success 'add subproj as subtree into sub dir/ with --prefix and --message' '
143 git subtree add --prefix="sub dir" --message="Added subproject" sub1 &&
144 check_equal "$(last_commit_message)" "Added subproject" &&
148 test_expect_success 'check if --message works as -m and --prefix as -P' '
149 git subtree add -P "sub dir" -m "Added subproject using git subtree" sub1 &&
150 check_equal ''"$(last_commit_message)"'' "Added subproject using git subtree" &&
154 test_expect_success 'check if --message works with squash too' '
155 git subtree add -P "sub dir" -m "Added subproject with squash" --squash sub1 &&
156 check_equal ''"$(last_commit_message)"'' "Added subproject with squash" &&
160 test_expect_success 'add subproj as subtree into sub dir/ with --squash and --prefix and --message' '
161 git subtree add --prefix="sub dir" --message="Added subproject with squash" --squash sub1 &&
162 check_equal "$(last_commit_message)" "Added subproject with squash" &&
167 test_expect_success 'add subproj to mainline' '
168 git subtree add --prefix="sub dir"/ FETCH_HEAD &&
169 check_equal ''"$(last_commit_message)"'' "Add '"'sub dir/'"' from commit '"'"'''"$(git rev-parse sub1)"'''"'"'"
172 test_expect_success 'merge the added subproj again, should do nothing' '
173 # this shouldn not actually do anything, since FETCH_HEAD
174 # is already a parent
175 result=$(git merge -s ours -m "merge -s -ours" FETCH_HEAD) &&
176 check_equal "${result}" "Already up-to-date."
179 test_expect_success 'add main-sub5' '
180 create "sub dir/main-sub5" &&
181 git commit -m "main-sub5"
184 test_expect_success 'add main6' '
186 git commit -m "main6 boring"
189 test_expect_success 'add main-sub7' '
190 create "sub dir/main-sub7" &&
191 git commit -m "main-sub7"
194 test_expect_success 'fetch new subproj history' '
195 git fetch ./"sub proj" sub2 &&
196 git branch sub2 FETCH_HEAD
199 test_expect_success 'check if --message works for merge' '
200 git subtree merge --prefix="sub dir" -m "Merged changes from subproject" sub2 &&
201 check_equal ''"$(last_commit_message)"'' "Merged changes from subproject" &&
205 test_expect_success 'check if --message for merge works with squash too' '
206 git subtree merge --prefix "sub dir" -m "Merged changes from subproject using squash" --squash sub2 &&
207 check_equal ''"$(last_commit_message)"'' "Merged changes from subproject using squash" &&
211 test_expect_success 'merge new subproj history into subdir' '
212 git subtree merge --prefix="sub dir" FETCH_HEAD &&
213 git branch pre-split &&
214 check_equal ''"$(last_commit_message)"'' "Merge commit '"'"'"$(git rev-parse sub2)"'"'"' into mainline" &&
218 test_expect_success 'split requires option --prefix' '
219 echo "You must provide the --prefix option." > expected &&
220 test_must_fail git subtree split > actual 2>&1 &&
221 test_debug "printf '"'"'expected: '"'"'" &&
222 test_debug "cat expected" &&
223 test_debug "printf '"'"'actual: '"'"'" &&
224 test_debug "cat actual" &&
225 test_cmp expected actual &&
226 rm -f expected actual
229 test_expect_success 'split requires path given by option --prefix must exist' '
230 echo "'\''non-existent-directory'\'' does not exist; use '\''git subtree add'\''" > expected &&
231 test_must_fail git subtree split --prefix=non-existent-directory > actual 2>&1 &&
232 test_debug "printf '"'"'expected: '"'"'" &&
233 test_debug "cat expected" &&
234 test_debug "printf '"'"'actual: '"'"'" &&
235 test_debug "cat actual" &&
236 test_cmp expected actual &&
237 rm -f expected actual
240 test_expect_success 'check if --message works for split+rejoin' '
241 spl1=''"$(git subtree split --annotate='"'*'"' --prefix "sub dir" --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' &&
242 git branch spl1 "$spl1" &&
243 check_equal ''"$(last_commit_message)"'' "Split & rejoin" &&
247 test_expect_success 'check split with --branch' '
248 spl1=$(git subtree split --annotate='"'*'"' --prefix "sub dir" --onto FETCH_HEAD --message "Split & rejoin" --rejoin) &&
250 git subtree split --annotate='"'*'"' --prefix "sub dir" --onto FETCH_HEAD --branch splitbr1 &&
251 check_equal ''"$(git rev-parse splitbr1)"'' "$spl1"
254 test_expect_success 'check hash of split' '
255 spl1=$(git subtree split --prefix "sub dir") &&
256 git subtree split --prefix "sub dir" --branch splitbr1test &&
257 check_equal ''"$(git rev-parse splitbr1test)"'' "$spl1" &&
258 new_hash=$(git rev-parse splitbr1test~2) &&
259 check_equal ''"$new_hash"'' "$subdir_hash"
262 test_expect_success 'check split with --branch for an existing branch' '
263 spl1=''"$(git subtree split --annotate='"'*'"' --prefix "sub dir" --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' &&
265 git branch splitbr2 sub1 &&
266 git subtree split --annotate='"'*'"' --prefix "sub dir" --onto FETCH_HEAD --branch splitbr2 &&
267 check_equal ''"$(git rev-parse splitbr2)"'' "$spl1"
270 test_expect_success 'check split with --branch for an incompatible branch' '
271 test_must_fail git subtree split --prefix "sub dir" --onto FETCH_HEAD --branch subdir
274 test_expect_success 'check split+rejoin' '
275 spl1=''"$(git subtree split --annotate='"'*'"' --prefix "sub dir" --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' &&
277 git subtree split --annotate='"'*'"' --prefix "sub dir" --onto FETCH_HEAD --rejoin &&
278 check_equal ''"$(last_commit_message)"'' "Split '"'"'sub dir/'"'"' into commit '"'"'"$spl1"'"'"'"
281 test_expect_success 'add main-sub8' '
282 create "sub dir/main-sub8" &&
283 git commit -m "main-sub8"
289 test_expect_success 'merge split into subproj' '
291 git branch spl1 FETCH_HEAD &&
295 test_expect_success 'add sub9' '
303 test_expect_success 'split for sub8' '
304 split2=''"$(git subtree split --annotate='"'*'"' --prefix "sub dir/" --rejoin)"'' &&
305 git branch split2 "$split2"
308 test_expect_success 'add main-sub10' '
309 create "sub dir/main-sub10" &&
310 git commit -m "main-sub10"
313 test_expect_success 'split for sub10' '
314 spl3=''"$(git subtree split --annotate='"'*'"' --prefix "sub dir" --rejoin)"'' &&
315 git branch spl3 "$spl3"
321 test_expect_success 'merge split into subproj' '
323 git branch spl3 FETCH_HEAD &&
324 git merge FETCH_HEAD &&
325 git branch subproj-merge-spl3
336 chkms_sub=$(cat <<TXT | sed 's,^,sub dir/,'
346 chks_sub=$(cat <<TXT | sed 's,^,sub dir/,'
351 test_expect_success 'make sure exactly the right set of files ends up in the subproj' '
352 subfiles="$(git ls-files)" &&
353 check_equal "$subfiles" "$chkms
357 test_expect_success 'make sure the subproj history *only* contains commits that affect the subdir' '
358 allchanges=''"$(git log --name-only --pretty=format:'"''"' | sort | sed "/^$/d")"'' &&
359 check_equal "$allchanges" "$chkms
366 test_expect_success 'pull from subproj' '
367 git fetch ./"sub proj" subproj-merge-spl3 &&
368 git branch subproj-merge-spl3 FETCH_HEAD &&
369 git subtree pull --prefix="sub dir" ./"sub proj" subproj-merge-spl3
372 test_expect_success 'make sure exactly the right set of files ends up in the mainline' '
373 mainfiles=$(git ls-files) &&
374 check_equal "$mainfiles" "$chkm
379 test_expect_success 'make sure each filename changed exactly once in the entire history' '
380 # main-sub?? and sub dir/main-sub?? both change, because those are the
381 # changes that were split into their own history. And sub dir/sub?? never
382 # change, since they were *only* changed in the subtree branch.
383 allchanges=''"$(git log --name-only --pretty=format:'"''"' | sort | sed "/^$/d")"'' &&
384 expected=''"$(cat <<TXT | sort
391 check_equal "$allchanges" "$expected"
394 test_expect_success 'make sure the --rejoin commits never make it into subproj' '
395 check_equal "$(git log --pretty=format:"%s" HEAD^2 | grep -i split)" ""
398 test_expect_success 'make sure no "git subtree" tagged commits make it into subproj' '
399 # They are meaningless to subproj since one side of the merge refers to the mainline
400 check_equal "$(git log --pretty=format:"%s%n%b" HEAD^2 | grep "git-subtree.*:")" ""
403 # prepare second pair of repositories
407 test_expect_success 'init main' '
408 test_create_repo main
413 test_expect_success 'add main1' '
415 git commit -m "main1"
420 test_expect_success 'init sub' '
426 test_expect_success 'add sub2' '
433 # check if split can find proper base without --onto
435 test_expect_success 'add sub as subdir in main' '
436 git fetch ../sub master &&
437 git branch sub2 FETCH_HEAD &&
438 git subtree add --prefix "sub dir" sub2
443 test_expect_success 'add sub3' '
450 test_expect_success 'merge from sub' '
451 git fetch ../sub master &&
452 git branch sub3 FETCH_HEAD &&
453 git subtree merge --prefix "sub dir" sub3
456 test_expect_success 'add main-sub4' '
457 create "sub dir/main-sub4" &&
458 git commit -m "main-sub4"
461 test_expect_success 'split for main-sub4 without --onto' '
462 git subtree split --prefix "sub dir" --branch mainsub4
465 # At this point, the new commit parent should be sub3. If it is not,
466 # something went wrong (the "newparent" of "master~" commit should
467 # have been sub3, but it was not, because its cache was not set to
470 test_expect_success 'check that the commit parent is sub3' '
471 check_equal "$(git log --pretty=format:%P -1 mainsub4)" "$(git rev-parse sub3)"
474 test_expect_success 'add main-sub5' '
476 create subdir2/main-sub5 &&
477 git commit -m "main-sub5"
480 test_expect_success 'split for main-sub5 without --onto' '
481 # also test that we still can split out an entirely new subtree
482 # if the parent of the first commit in the tree is not empty,
483 # then the new subtree has accidentally been attached to something
484 git subtree split --prefix subdir2 --branch mainsub5 &&
485 check_equal ''"$(git log --pretty=format:%P -1 mainsub5)"'' ""
488 test_expect_success 'verify one file change per commit' '
490 list=''"$(git log --pretty=format:'"'commit: %H'"' | join_commits)"'' &&
491 # test_debug "echo HERE" &&
492 # test_debug "echo ''"$list"''" &&
493 git log --pretty=format:'"'commit: %H'"' | join_commits |
494 ( while read commit a b; do
495 test_debug "echo Verifying commit "''"$commit"''
496 test_debug "echo a: "''"$a"''
497 test_debug "echo b: "''"$b"''
513 test_expect_success 'init main' '
514 test_create_repo main
517 test_expect_success 'init sub' '
518 test_create_repo "sub project"
523 test_expect_success 'add subproject' '
524 create "sub project" &&
525 git commit -m "Sub project: 1" &&
526 git branch sub-branch-1
531 test_expect_success 'make first commit and add subproject' '
533 git commit -m "main: 1" &&
534 git subtree add "../sub project" --prefix "sub dir" --message "Added subproject" sub-branch-1 &&
535 check_equal "$(last_commit_message)" "Added subproject"
538 test_expect_success 'make second commit to a subproject file and push it into a sub project' '
539 create "sub dir/sub1" &&
540 git commit -m "Sub project: 2" &&
541 git subtree push "../sub project" --prefix "sub dir" sub-branch-1
546 test_expect_success 'Test second commit is pushed' '
547 git checkout sub-branch-1 &&
548 check_equal "$(last_commit_message)" "Sub project: 2"