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bed137d2d5
Found by check-non-portable-shell.pl Signed-off-by: Elia Pinto <gitter.spiros@gmail.com> Reviewed-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
469 lines
13 KiB
Bash
Executable file
469 lines
13 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2012 Avery Pennaraum
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#
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test_description='Basic porcelain support for subtrees
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This test verifies the basic operation of the merge, pull, add
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and split subcommands of git subtree.
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'
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TEST_DIRECTORY=$(pwd)/../../../t
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export TEST_DIRECTORY
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. ../../../t/test-lib.sh
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create()
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{
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echo "$1" >"$1"
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git add "$1"
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}
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check_equal()
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{
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test_debug 'echo'
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test_debug "echo \"check a:\" \"{$1}\""
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test_debug "echo \" b:\" \"{$2}\""
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if [ "$1" = "$2" ]; then
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return 0
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else
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return 1
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fi
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}
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fixnl()
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{
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t=""
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while read x; do
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t="$t$x "
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done
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echo $t
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}
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multiline()
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{
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while read x; do
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set -- $x
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for d in "$@"; do
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echo "$d"
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done
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done
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}
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undo()
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{
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git reset --hard HEAD~
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}
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last_commit_message()
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{
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git log --pretty=format:%s -1
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}
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test_expect_success 'init subproj' '
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test_create_repo subproj
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'
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# To the subproject!
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cd subproj
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test_expect_success 'add sub1' '
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create sub1 &&
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git commit -m "sub1" &&
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git branch sub1 &&
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git branch -m master subproj
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'
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# Save this hash for testing later.
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subdir_hash=`git rev-parse HEAD`
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test_expect_success 'add sub2' '
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create sub2 &&
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git commit -m "sub2" &&
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git branch sub2
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'
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test_expect_success 'add sub3' '
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create sub3 &&
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git commit -m "sub3" &&
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git branch sub3
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'
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# Back to mainline
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cd ..
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test_expect_success 'add main4' '
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create main4 &&
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git commit -m "main4" &&
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git branch -m master mainline &&
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git branch subdir
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'
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test_expect_success 'fetch subproj history' '
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git fetch ./subproj sub1 &&
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git branch sub1 FETCH_HEAD
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'
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test_expect_success 'no subtree exists in main tree' '
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test_must_fail git subtree merge --prefix=subdir sub1
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'
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test_expect_success 'no pull from non-existant subtree' '
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test_must_fail git subtree pull --prefix=subdir ./subproj sub1
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'
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test_expect_success 'check if --message works for add' '
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git subtree add --prefix=subdir --message="Added subproject" sub1 &&
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check_equal ''"$(last_commit_message)"'' "Added subproject" &&
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undo
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'
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test_expect_success 'check if --message works as -m and --prefix as -P' '
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git subtree add -P subdir -m "Added subproject using git subtree" sub1 &&
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check_equal ''"$(last_commit_message)"'' "Added subproject using git subtree" &&
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undo
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'
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test_expect_success 'check if --message works with squash too' '
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git subtree add -P subdir -m "Added subproject with squash" --squash sub1 &&
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check_equal ''"$(last_commit_message)"'' "Added subproject with squash" &&
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undo
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'
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test_expect_success 'add subproj to mainline' '
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git subtree add --prefix=subdir/ FETCH_HEAD &&
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check_equal ''"$(last_commit_message)"'' "Add '"'subdir/'"' from commit '"'"'''"$(git rev-parse sub1)"'''"'"'"
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'
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# this shouldn't actually do anything, since FETCH_HEAD is already a parent
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test_expect_success 'merge fetched subproj' '
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git merge -m "merge -s -ours" -s ours FETCH_HEAD
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'
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test_expect_success 'add main-sub5' '
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create subdir/main-sub5 &&
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git commit -m "main-sub5"
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'
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test_expect_success 'add main6' '
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create main6 &&
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git commit -m "main6 boring"
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'
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test_expect_success 'add main-sub7' '
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create subdir/main-sub7 &&
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git commit -m "main-sub7"
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'
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test_expect_success 'fetch new subproj history' '
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git fetch ./subproj sub2 &&
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git branch sub2 FETCH_HEAD
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'
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test_expect_success 'check if --message works for merge' '
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git subtree merge --prefix=subdir -m "Merged changes from subproject" sub2 &&
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check_equal ''"$(last_commit_message)"'' "Merged changes from subproject" &&
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undo
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'
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test_expect_success 'check if --message for merge works with squash too' '
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git subtree merge --prefix subdir -m "Merged changes from subproject using squash" --squash sub2 &&
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check_equal ''"$(last_commit_message)"'' "Merged changes from subproject using squash" &&
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undo
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'
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test_expect_success 'merge new subproj history into subdir' '
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git subtree merge --prefix=subdir FETCH_HEAD &&
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git branch pre-split &&
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check_equal ''"$(last_commit_message)"'' "Merge commit '"'"'"$(git rev-parse sub2)"'"'"' into mainline"
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'
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test_expect_success 'Check that prefix argument is required for split' '
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echo "You must provide the --prefix option." > expected &&
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test_must_fail git subtree split > actual 2>&1 &&
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test_debug "printf '"'"'expected: '"'"'" &&
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test_debug "cat expected" &&
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test_debug "printf '"'"'actual: '"'"'" &&
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test_debug "cat actual" &&
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test_cmp expected actual &&
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rm -f expected actual
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'
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test_expect_success 'Check that the <prefix> exists for a split' '
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echo "'"'"'non-existent-directory'"'"'" does not exist\; use "'"'"'git subtree add'"'"'" > expected &&
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test_must_fail git subtree split --prefix=non-existent-directory > actual 2>&1 &&
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test_debug "printf '"'"'expected: '"'"'" &&
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test_debug "cat expected" &&
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test_debug "printf '"'"'actual: '"'"'" &&
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test_debug "cat actual" &&
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test_cmp expected actual
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# rm -f expected actual
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'
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test_expect_success 'check if --message works for split+rejoin' '
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spl1=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' &&
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git branch spl1 "$spl1" &&
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check_equal ''"$(last_commit_message)"'' "Split & rejoin" &&
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undo
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'
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test_expect_success 'check split with --branch' '
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spl1=$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin) &&
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undo &&
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git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --branch splitbr1 &&
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check_equal ''"$(git rev-parse splitbr1)"'' "$spl1"
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'
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test_expect_success 'check hash of split' '
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spl1=$(git subtree split --prefix subdir) &&
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undo &&
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git subtree split --prefix subdir --branch splitbr1test &&
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check_equal ''"$(git rev-parse splitbr1test)"'' "$spl1"
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git checkout splitbr1test &&
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new_hash=$(git rev-parse HEAD~2) &&
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git checkout mainline &&
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check_equal ''"$new_hash"'' "$subdir_hash"
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'
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test_expect_success 'check split with --branch for an existing branch' '
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spl1=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' &&
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undo &&
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git branch splitbr2 sub1 &&
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git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --branch splitbr2 &&
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check_equal ''"$(git rev-parse splitbr2)"'' "$spl1"
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'
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test_expect_success 'check split with --branch for an incompatible branch' '
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test_must_fail git subtree split --prefix subdir --onto FETCH_HEAD --branch subdir
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'
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test_expect_success 'check split+rejoin' '
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spl1=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' &&
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undo &&
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git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --rejoin &&
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check_equal ''"$(last_commit_message)"'' "Split '"'"'subdir/'"'"' into commit '"'"'"$spl1"'"'"'"
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'
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test_expect_success 'add main-sub8' '
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create subdir/main-sub8 &&
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git commit -m "main-sub8"
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'
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# To the subproject!
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cd ./subproj
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test_expect_success 'merge split into subproj' '
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git fetch .. spl1 &&
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git branch spl1 FETCH_HEAD &&
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git merge FETCH_HEAD
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'
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test_expect_success 'add sub9' '
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create sub9 &&
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git commit -m "sub9"
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'
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# Back to mainline
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cd ..
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test_expect_success 'split for sub8' '
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split2=''"$(git subtree split --annotate='"'*'"' --prefix subdir/ --rejoin)"''
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git branch split2 "$split2"
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'
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test_expect_success 'add main-sub10' '
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create subdir/main-sub10 &&
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git commit -m "main-sub10"
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'
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test_expect_success 'split for sub10' '
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spl3=''"$(git subtree split --annotate='"'*'"' --prefix subdir --rejoin)"'' &&
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git branch spl3 "$spl3"
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'
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# To the subproject!
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cd ./subproj
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test_expect_success 'merge split into subproj' '
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git fetch .. spl3 &&
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git branch spl3 FETCH_HEAD &&
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git merge FETCH_HEAD &&
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git branch subproj-merge-spl3
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'
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chkm="main4 main6"
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chkms="main-sub10 main-sub5 main-sub7 main-sub8"
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chkms_sub=$(echo $chkms | multiline | sed 's,^,subdir/,' | fixnl)
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chks="sub1 sub2 sub3 sub9"
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chks_sub=$(echo $chks | multiline | sed 's,^,subdir/,' | fixnl)
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test_expect_success 'make sure exactly the right set of files ends up in the subproj' '
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subfiles=''"$(git ls-files | fixnl)"'' &&
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check_equal "$subfiles" "$chkms $chks"
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'
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test_expect_success 'make sure the subproj history *only* contains commits that affect the subdir' '
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allchanges=''"$(git log --name-only --pretty=format:'"''"' | sort | fixnl)"'' &&
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check_equal "$allchanges" "$chkms $chks"
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'
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# Back to mainline
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cd ..
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test_expect_success 'pull from subproj' '
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git fetch ./subproj subproj-merge-spl3 &&
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git branch subproj-merge-spl3 FETCH_HEAD &&
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git subtree pull --prefix=subdir ./subproj subproj-merge-spl3
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'
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test_expect_success 'make sure exactly the right set of files ends up in the mainline' '
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mainfiles=''"$(git ls-files | fixnl)"'' &&
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check_equal "$mainfiles" "$chkm $chkms_sub $chks_sub"
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'
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test_expect_success 'make sure each filename changed exactly once in the entire history' '
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# main-sub?? and /subdir/main-sub?? both change, because those are the
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# changes that were split into their own history. And subdir/sub?? never
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# change, since they were *only* changed in the subtree branch.
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allchanges=''"$(git log --name-only --pretty=format:'"''"' | sort | fixnl)"'' &&
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check_equal "$allchanges" ''"$(echo $chkms $chkm $chks $chkms_sub | multiline | sort | fixnl)"''
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'
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test_expect_success 'make sure the --rejoin commits never make it into subproj' '
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check_equal ''"$(git log --pretty=format:'"'%s'"' HEAD^2 | grep -i split)"'' ""
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'
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test_expect_success 'make sure no "git subtree" tagged commits make it into subproj' '
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# They are meaningless to subproj since one side of the merge refers to the mainline
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check_equal ''"$(git log --pretty=format:'"'%s%n%b'"' HEAD^2 | grep "git-subtree.*:")"'' ""
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'
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# prepare second pair of repositories
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mkdir test2
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cd test2
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test_expect_success 'init main' '
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test_create_repo main
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'
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cd main
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test_expect_success 'add main1' '
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create main1 &&
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git commit -m "main1"
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'
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cd ..
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test_expect_success 'init sub' '
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test_create_repo sub
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'
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cd sub
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test_expect_success 'add sub2' '
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create sub2 &&
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git commit -m "sub2"
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'
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cd ../main
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# check if split can find proper base without --onto
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test_expect_success 'add sub as subdir in main' '
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git fetch ../sub master &&
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git branch sub2 FETCH_HEAD &&
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git subtree add --prefix subdir sub2
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'
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cd ../sub
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test_expect_success 'add sub3' '
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create sub3 &&
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git commit -m "sub3"
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'
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cd ../main
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test_expect_success 'merge from sub' '
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git fetch ../sub master &&
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git branch sub3 FETCH_HEAD &&
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git subtree merge --prefix subdir sub3
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'
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test_expect_success 'add main-sub4' '
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create subdir/main-sub4 &&
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git commit -m "main-sub4"
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'
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test_expect_success 'split for main-sub4 without --onto' '
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git subtree split --prefix subdir --branch mainsub4
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'
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# at this point, the new commit parent should be sub3 if it is not,
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# something went wrong (the "newparent" of "master~" commit should
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# have been sub3, but it was not, because its cache was not set to
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# itself)
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test_expect_success 'check that the commit parent is sub3' '
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check_equal ''"$(git log --pretty=format:%P -1 mainsub4)"'' ''"$(git rev-parse sub3)"''
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'
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test_expect_success 'add main-sub5' '
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mkdir subdir2 &&
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create subdir2/main-sub5 &&
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git commit -m "main-sub5"
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'
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test_expect_success 'split for main-sub5 without --onto' '
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# also test that we still can split out an entirely new subtree
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# if the parent of the first commit in the tree is not empty,
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# then the new subtree has accidentally been attached to something
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git subtree split --prefix subdir2 --branch mainsub5 &&
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check_equal ''"$(git log --pretty=format:%P -1 mainsub5)"'' ""
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'
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# make sure no patch changes more than one file. The original set of commits
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# changed only one file each. A multi-file change would imply that we pruned
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# commits too aggressively.
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joincommits()
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{
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commit=
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all=
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while read x y; do
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#echo "{$x}" >&2
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if [ -z "$x" ]; then
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continue
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elif [ "$x" = "commit:" ]; then
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if [ -n "$commit" ]; then
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echo "$commit $all"
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all=
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fi
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commit="$y"
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else
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all="$all $y"
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fi
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done
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echo "$commit $all"
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}
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test_expect_success 'verify one file change per commit' '
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x= &&
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list=''"$(git log --pretty=format:'"'commit: %H'"' | joincommits)"'' &&
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# test_debug "echo HERE" &&
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# test_debug "echo ''"$list"''" &&
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(git log --pretty=format:'"'commit: %H'"' | joincommits |
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( while read commit a b; do
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test_debug "echo Verifying commit "''"$commit"''
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test_debug "echo a: "''"$a"''
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test_debug "echo b: "''"$b"''
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check_equal "$b" ""
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x=1
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done
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check_equal "$x" 1
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))
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'
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test_done
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