#!/bin/sh

global test_description := ''tracking branch update checks for git push''

source ./test-lib.sh

test_expect_success 'setup' '
	echo 1 >file &&
	git add file &&
	git commit -m 1 &&
	git branch b1 &&
	git branch b2 &&
	git branch b3 &&
	git clone . aa &&
	git checkout b1 &&
	echo b1 >>file &&
	git commit -a -m b1 &&
	git checkout b2 &&
	echo b2 >>file &&
	git commit -a -m b2
'

test_expect_success 'prepare pushable branches' '
	cd aa &&
	b1=$(git rev-parse origin/b1) &&
	b2=$(git rev-parse origin/b2) &&
	git checkout -b b1 origin/b1 &&
	echo aa-b1 >>file &&
	git commit -a -m aa-b1 &&
	git checkout -b b2 origin/b2 &&
	echo aa-b2 >>file &&
	git commit -a -m aa-b2 &&
	git checkout master &&
	echo aa-master >>file &&
	git commit -a -m aa-master
'

test_expect_success 'mixed-success push returns error' '
	test_must_fail git push origin :
'

test_expect_success 'check tracking branches updated correctly after push' '
	test "$(git rev-parse origin/master)" = "$(git rev-parse master)"
'

test_expect_success 'check tracking branches not updated for failed refs' '
	test "$(git rev-parse origin/b1)" = "$b1" &&
	test "$(git rev-parse origin/b2)" = "$b2"
'

test_expect_success 'deleted branches have their tracking branches removed' '
	git push origin :b1 &&
	test "$(git rev-parse origin/b1)" = "origin/b1"
'

test_expect_success 'already deleted tracking branches ignored' '
	git branch -d -r origin/b3 &&
	git push origin :b3 >output 2>&1 &&
	! grep error output
'

test_done
(CommandList
  children: [
    (Assignment
      keyword: Assign_None
      pairs: [
        (assign_pair
          lhs: (LhsName name:test_description)
          op: Equal
          rhs: {(SQ <"tracking branch update checks for git push">)}
          spids: [4]
        )
      ]
      spids: [4]
    )
    (C {(.)} {(./test-lib.sh)})
    (C {(test_expect_success)} {(SQ <setup>)} 
      {
        (SQ <"\n"> <"\techo 1 >file &&\n"> <"\tgit add file &&\n"> <"\tgit commit -m 1 &&\n"> 
          <"\tgit branch b1 &&\n"> <"\tgit branch b2 &&\n"> <"\tgit branch b3 &&\n"> <"\tgit clone . aa &&\n"> <"\tgit checkout b1 &&\n"> 
          <"\techo b1 >>file &&\n"> <"\tgit commit -a -m b1 &&\n"> <"\tgit checkout b2 &&\n"> <"\techo b2 >>file &&\n"> 
          <"\tgit commit -a -m b2\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"prepare pushable branches">)} 
      {
        (SQ <"\n"> <"\tcd aa &&\n"> <"\tb1=$(git rev-parse origin/b1) &&\n"> 
          <"\tb2=$(git rev-parse origin/b2) &&\n"> <"\tgit checkout -b b1 origin/b1 &&\n"> <"\techo aa-b1 >>file &&\n"> <"\tgit commit -a -m aa-b1 &&\n"> 
          <"\tgit checkout -b b2 origin/b2 &&\n"> <"\techo aa-b2 >>file &&\n"> <"\tgit commit -a -m aa-b2 &&\n"> <"\tgit checkout master &&\n"> 
          <"\techo aa-master >>file &&\n"> <"\tgit commit -a -m aa-master\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"mixed-success push returns error">)} 
      {(SQ <"\n"> <"\ttest_must_fail git push origin :\n">)}
    )
    (C {(test_expect_success)} {(SQ <"check tracking branches updated correctly after push">)} 
      {(SQ <"\n"> <"\ttest \"$(git rev-parse origin/master)\" = \"$(git rev-parse master)\"\n">)}
    )
    (C {(test_expect_success)} {(SQ <"check tracking branches not updated for failed refs">)} 
      {
        (SQ <"\n"> <"\ttest \"$(git rev-parse origin/b1)\" = \"$b1\" &&\n"> 
          <"\ttest \"$(git rev-parse origin/b2)\" = \"$b2\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"deleted branches have their tracking branches removed">)} 
      {
        (SQ <"\n"> <"\tgit push origin :b1 &&\n"> 
          <"\ttest \"$(git rev-parse origin/b1)\" = \"origin/b1\"\n">
        )
      }
    )
    (C {(test_expect_success)} {(SQ <"already deleted tracking branches ignored">)} 
      {
        (SQ <"\n"> <"\tgit branch -d -r origin/b3 &&\n"> <"\tgit push origin :b3 >output 2>&1 &&\n"> 
          <"\t! grep error output\n">
        )
      }
    )
    (C {(test_done)})
  ]
)