[PATCH 10/13] contrib/subtree: Code cleaning and refactoring
From: Techlive Zheng <techlivezheng@gmail.com>
Mostly prepare for the later tests refactoring.
Signed-off-by: Techlive Zheng <techlivezheng@gmail.com>
Signed-off-by: David A. Greene <greened@obbligato.org>
---
contrib/subtree/t/t7900-subtree.sh | 270 ++++++++++++++++++------------------
1 file changed, 136 insertions(+), 134 deletions(-)
diff --git a/contrib/subtree/t/t7900-subtree.sh b/contrib/subtree/t/t7900-subtree.sh
index e6bcd50..9cfaaf9 100755
--- a/contrib/subtree/t/t7900-subtree.sh
+++ b/contrib/subtree/t/t7900-subtree.sh
@@ -4,7 +4,7 @@
#
test_description='Basic porcelain support for subtrees
-This test verifies the basic operation of the merge, pull, add
+This test verifies the basic operation of the add, pull, merge
and split subcommands of git subtree.
'
@@ -18,19 +18,6 @@ create()
git add "$1"
}
-
-check_equal()
-{
- test_debug 'echo'
- test_debug "echo \"check a:\" \"{$1}\""
- test_debug "echo \" b:\" \"{$2}\""
- if [ "$1" = "$2" ]; then
- return 0
- else
- return 1
- fi
-}
-
fixnl()
{
t=""
@@ -55,6 +42,42 @@ undo()
git reset --hard HEAD~
}
+test_equal()
+{
+ test_debug 'echo'
+ test_debug "echo \"check a:\" \"{$1}\""
+ test_debug "echo \" b:\" \"{$2}\""
+ if [ "$1" = "$2" ]; then
+ return 0
+ else
+ return 1
+ fi
+}
+
+# Make sure no patch changes more than one file.
+# The original set of commits changed only one file each.
+# A multi-file change would imply that we pruned commits
+# too aggressively.
+join_commits()
+{
+ commit=
+ all=
+ while read x y; do
+ if [ -z "$x" ]; then
+ continue
+ elif [ "$x" = "commit:" ]; then
+ if [ -n "$commit" ]; then
+ echo "$commit $all"
+ all=
+ fi
+ commit="$y"
+ else
+ all="$all $y"
+ fi
+ done
+ echo "$commit $all"
+}
+
last_commit_message()
{
git log --pretty=format:%s -1
@@ -97,7 +120,7 @@ test_expect_success 'add main4' '
create main4 &&
git commit -m "main4" &&
git branch -m master mainline &&
- git branch subdir
+ git branch init
'
test_expect_success 'fetch subproj history' '
@@ -105,40 +128,43 @@ test_expect_success 'fetch subproj history' '
git branch sub1 FETCH_HEAD
'
-test_expect_success 'no subtree exists in main tree' '
- test_must_fail git subtree merge --prefix=subdir sub1
-'
-
test_expect_success 'no pull from non-existant subtree' '
test_must_fail git subtree pull --prefix=subdir ./subproj sub1
'
-test_expect_success 'check if --message works for add' '
- git subtree add --prefix=subdir --message="Added subproject" sub1 &&
- check_equal ''"$(last_commit_message)"'' "Added subproject" &&
+test_expect_success 'no merge from non-existant subtree' '
+ test_must_fail git subtree merge --prefix=subdir FETCH_HEAD
+'
+
+test_expect_success 'add subproj as subtree into subdir/ with --prefix' '
+ git subtree add --prefix=subdir FETCH_HEAD &&
+ test_equal "$(last_commit_message)" "Add '\''subdir/'\'' from commit '\''$(git rev-parse FETCH_HEAD)'\''" &&
undo
'
-test_expect_success 'check if --message works as -m and --prefix as -P' '
- git subtree add -P subdir -m "Added subproject using git subtree" sub1 &&
- check_equal ''"$(last_commit_message)"'' "Added subproject using git subtree" &&
+test_expect_success 'add subproj as subtree into subdir/ with --prefix and --message' '
+ git subtree add --prefix=subdir --message="Added subproject" FETCH_HEAD &&
+ test_equal "$(last_commit_message)" "Added subproject" &&
undo
'
-test_expect_success 'check if --message works with squash too' '
- git subtree add -P subdir -m "Added subproject with squash" --squash sub1 &&
- check_equal ''"$(last_commit_message)"'' "Added subproject with squash" &&
+test_expect_success 'add subproj as subtree into subdir/ with --prefix as -P and --message as -m' '
+ git subtree add -P subdir -m "Added subproject" FETCH_HEAD &&
+ test_equal "$(last_commit_message)" "Added subproject" &&
undo
'
-test_expect_success 'add subproj to mainline' '
- git subtree add --prefix=subdir/ FETCH_HEAD &&
- check_equal ''"$(last_commit_message)"'' "Add '"'subdir/'"' from commit '"'"'''"$(git rev-parse sub1)"'''"'"'"
+test_expect_success 'add subproj as subtree into subdir/ with --squash and --prefix and --message' '
+ git subtree add --prefix=subdir --message="Added subproject with squash" --squash FETCH_HEAD &&
+ test_equal "$(last_commit_message)" "Added subproject with squash" &&
+ undo
'
-# this shouldn't actually do anything, since FETCH_HEAD is already a parent
-test_expect_success 'merge fetched subproj' '
- git merge -m "merge -s -ours" -s ours FETCH_HEAD
+test_expect_success 'merge the added subproj again, should do nothing' '
+ git subtree add --prefix=subdir FETCH_HEAD &&
+ # this shouldn not actually do anything, since FETCH_HEAD
+ # is already a parent
+ git merge -s ours -m "merge -s -ours" FETCH_HEAD
'
test_expect_success 'add main-sub5' '
@@ -161,25 +187,30 @@ test_expect_success 'fetch new subproj history' '
git branch sub2 FETCH_HEAD
'
-test_expect_success 'check if --message works for merge' '
- git subtree merge --prefix=subdir -m "Merged changes from subproject" sub2 &&
- check_equal ''"$(last_commit_message)"'' "Merged changes from subproject" &&
+test_expect_success 'merge new subproj history into subdir/ with --prefix' '
+ git subtree merge --prefix=subdir FETCH_HEAD &&
+ test_equal "$(last_commit_message)" "Merge commit '\''$(git rev-parse FETCH_HEAD)'\'' into mainline" &&
undo
'
-test_expect_success 'check if --message for merge works with squash too' '
- git subtree merge --prefix subdir -m "Merged changes from subproject using squash" --squash sub2 &&
- check_equal ''"$(last_commit_message)"'' "Merged changes from subproject using squash" &&
+test_expect_success 'merge new subproj history into subdir/ with --prefix and --message' '
+ git subtree merge --prefix=subdir --message="Merged changes from subproject" FETCH_HEAD &&
+ test_equal "$(last_commit_message)" "Merged changes from subproject" &&
undo
'
-test_expect_success 'merge new subproj history into subdir' '
+test_expect_success 'merge new subproj history into subdir/ with --squash and --prefix and --message' '
+ git subtree merge --prefix=subdir --message="Merged changes from subproject using squash" --squash FETCH_HEAD &&
+ test_equal "$(last_commit_message)" "Merged changes from subproject using squash" &&
+ undo
+'
+
+test_expect_success 'merge new subproj history into subdir/' '
git subtree merge --prefix=subdir FETCH_HEAD &&
- git branch pre-split &&
- check_equal ''"$(last_commit_message)"'' "Merge commit '"'"'"$(git rev-parse sub2)"'"'"' into mainline"
+ git branch pre-split
'
-test_expect_success 'Check that prefix argument is required for split' '
+test_expect_success 'split requires option --prefix' '
echo "You must provide the --prefix option." > expected &&
test_must_fail git subtree split > actual 2>&1 &&
test_debug "echo -n expected: " &&
@@ -190,59 +221,56 @@ test_expect_success 'Check that prefix argument is required for split' '
rm -f expected actual
'
-test_expect_success 'Check that the <prefix> exists for a split' '
- echo "'"'"'non-existent-directory'"'"'" does not exist\; use "'"'"'git subtree add'"'"'" > expected &&
+test_expect_success 'split requires path given by option --prefix must exist' '
+ echo "'\''non-existent-directory'\'' does not exist; use '\''git subtree add'\''" > expected &&
test_must_fail git subtree split --prefix=non-existent-directory > actual 2>&1 &&
test_debug "echo -n expected: " &&
test_debug "cat expected" &&
test_debug "echo -n actual: " &&
test_debug "cat actual" &&
- test_cmp expected actual
-# rm -f expected actual
+ test_cmp expected actual &&
+ rm -f expected actual
'
-test_expect_success 'check if --message works for split+rejoin' '
- spl1=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' &&
- git branch spl1 "$spl1" &&
- check_equal ''"$(last_commit_message)"'' "Split & rejoin" &&
- undo
-'
+test_expect_success 'split subdir/ with --rejoin' '
+ spl1=$(git subtree split --prefix=subdir --annotate="*") &&
+ git branch spl1 "$spl1" &&
+ git subtree split --prefix=subdir --annotate="*" --rejoin &&
+ test_equal "$(last_commit_message)" "Split '\''subdir/'\'' into commit '\''$spl1'\''" &&
+ undo
+ '
-test_expect_success 'check split with --branch' '
- spl1=$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin) &&
- undo &&
- git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --branch splitbr1 &&
- check_equal ''"$(git rev-parse splitbr1)"'' "$spl1"
+test_expect_success 'split subdir/ with --rejoin and --message' '
+ git subtree split --prefix=subdir --message="Split & rejoin" --annotate="*" --rejoin &&
+ test_equal "$(last_commit_message)" "Split & rejoin" &&
+ undo
'
-test_expect_success 'check hash of split' '
- spl1=$(git subtree split --prefix subdir) &&
- undo &&
- git subtree split --prefix subdir --branch splitbr1test &&
- check_equal ''"$(git rev-parse splitbr1test)"'' "$spl1"
- git checkout splitbr1test &&
- new_hash=$(git rev-parse HEAD~2) &&
- git checkout mainline &&
- check_equal ''"$new_hash"'' "$subdir_hash"
-'
+test_expect_success 'split subdir/ with --branch' '
+ spl1=$(git subtree split --prefix=subdir --message="Split & rejoin" --annotate="*" --rejoin) &&
+ undo &&
+ git subtree split --prefix=subdir --annotate="*" --branch splitbr1 &&
+ test_equal "$(git rev-parse splitbr1)" "$spl1"
+ '
-test_expect_success 'check split with --branch for an existing branch' '
- spl1=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' &&
+test_expect_success 'split subdir/ with --branch for an existing branch' '
+ spl1=$(git subtree split --prefix=subdir --annotate="*" --message="Split & rejoin" --rejoin) &&
undo &&
git branch splitbr2 sub1 &&
- git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --branch splitbr2 &&
- check_equal ''"$(git rev-parse splitbr2)"'' "$spl1"
+ git subtree split --prefix=subdir --annotate="*" --branch splitbr2 &&
+ test_equal "$(git rev-parse splitbr2)" "$spl1"
'
-test_expect_success 'check split with --branch for an incompatible branch' '
- test_must_fail git subtree split --prefix subdir --onto FETCH_HEAD --branch subdir
+test_expect_success 'split subdir/ with --branch for an incompatible branch' '
+ test_must_fail git subtree split --prefix=subdir --branch init
'
-test_expect_success 'check split+rejoin' '
- spl1=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' &&
+test_expect_success 'check --unannotate' '
+ spl1=$(git subtree split --unannotate="subproj:" --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin) &&
undo &&
- git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --rejoin &&
- check_equal ''"$(last_commit_message)"'' "Split '"'"'subdir/'"'"' into commit '"'"'"$spl1"'"'"'"
+ git subtree split --unannotate="subproj:" --prefix subdir --onto FETCH_HEAD --branch splitunann &&
+ test_equal "$(git rev-parse splitunann)" "$spl1" &&
+ test_equal "$(git log splitunann | grep subproj)" ""
'
test_expect_success 'add main-sub8' '
@@ -268,8 +296,8 @@ test_expect_success 'add sub9' '
cd ..
test_expect_success 'split for sub8' '
- split2=''"$(git subtree split --annotate='"'*'"' --prefix subdir/ --rejoin)"''
- git branch split2 "$split2"
+ spl2=$(git subtree split --prefix=subdir/ --annotate="*" --rejoin) &&
+ git branch spl2 "$spl2"
'
test_expect_success 'add main-sub10' '
@@ -278,7 +306,7 @@ test_expect_success 'add main-sub10' '
'
test_expect_success 'split for sub10' '
- spl3=''"$(git subtree split --annotate='"'*'"' --prefix subdir --rejoin)"'' &&
+ spl3=$(git subtree split --prefix=subdir --annotate="*" --rejoin) &&
git branch spl3 "$spl3"
'
@@ -299,13 +327,13 @@ chks="sub1 sub2 sub3 sub9"
chks_sub=$(echo $chks | multiline | sed 's,^,subdir/,' | fixnl)
test_expect_success 'make sure exactly the right set of files ends up in the subproj' '
- subfiles=''"$(git ls-files | fixnl)"'' &&
- check_equal "$subfiles" "$chkms $chks"
+ subfiles=$(git ls-files | fixnl) &&
+ test_equal "$subfiles" "$chkms $chks"
'
-test_expect_success 'make sure the subproj history *only* contains commits that affect the subdir' '
- allchanges=''"$(git log --name-only --pretty=format:'"''"' | sort | fixnl)"'' &&
- check_equal "$allchanges" "$chkms $chks"
+test_expect_success 'make sure the subproj *only* contains commits that affect the subdir' '
+ allchanges=$(git log --name-only --pretty=format:"" | sort | fixnl) &&
+ test_equal "$allchanges" "$chkms $chks"
'
# Back to mainline
@@ -318,25 +346,25 @@ test_expect_success 'pull from subproj' '
'
test_expect_success 'make sure exactly the right set of files ends up in the mainline' '
- mainfiles=''"$(git ls-files | fixnl)"'' &&
- check_equal "$mainfiles" "$chkm $chkms_sub $chks_sub"
+ mainfiles=$(git ls-files | fixnl) &&
+ test_equal "$mainfiles" "$chkm $chkms_sub $chks_sub"
'
test_expect_success 'make sure each filename changed exactly once in the entire history' '
# main-sub?? and /subdir/main-sub?? both change, because those are the
# changes that were split into their own history. And subdir/sub?? never
# change, since they were *only* changed in the subtree branch.
- allchanges=''"$(git log --name-only --pretty=format:'"''"' | sort | fixnl)"'' &&
- check_equal "$allchanges" ''"$(echo $chkms $chkm $chks $chkms_sub | multiline | sort | fixnl)"''
+ allchanges=$(git log --name-only --pretty=format:"" | sort | fixnl) &&
+ test_equal "$allchanges" "$(echo $chkms $chkm $chks $chkms_sub | multiline | sort | fixnl)"
'
test_expect_success 'make sure the --rejoin commits never make it into subproj' '
- check_equal ''"$(git log --pretty=format:'"'%s'"' HEAD^2 | grep -i split)"'' ""
+ test_equal "$(git log --pretty=format:"%s" HEAD^2 | grep -i split)" ""
'
test_expect_success 'make sure no "git subtree" tagged commits make it into subproj' '
# They are meaningless to subproj since one side of the merge refers to the mainline
- check_equal ''"$(git log --pretty=format:'"'%s%n%b'"' HEAD^2 | grep "git-subtree.*:")"'' ""
+ test_equal "$(git log --pretty=format:"%s%n%b" HEAD^2 | grep "git-subtree.*:")" ""
'
# prepare second pair of repositories
@@ -374,7 +402,7 @@ cd ../main
test_expect_success 'add sub as subdir in main' '
git fetch ../sub master &&
git branch sub2 FETCH_HEAD &&
- git subtree add --prefix subdir sub2
+ git subtree add --prefix=subdir sub2
'
cd ../sub
@@ -389,7 +417,7 @@ cd ../main
test_expect_success 'merge from sub' '
git fetch ../sub master &&
git branch sub3 FETCH_HEAD &&
- git subtree merge --prefix subdir sub3
+ git subtree merge --prefix=subdir sub3
'
test_expect_success 'add main-sub4' '
@@ -398,7 +426,7 @@ test_expect_success 'add main-sub4' '
'
test_expect_success 'split for main-sub4 without --onto' '
- git subtree split --prefix subdir --branch mainsub4
+ git subtree split --prefix=subdir --branch mainsub4
'
# at this point, the new commit parent should be sub3 if it is not,
@@ -407,7 +435,7 @@ test_expect_success 'split for main-sub4 without --onto' '
# itself)
test_expect_success 'check that the commit parent is sub3' '
- check_equal ''"$(git log --pretty=format:%P -1 mainsub4)"'' ''"$(git rev-parse sub3)"''
+ test_equal "$(git log --pretty=format:%P -1 mainsub4)" "$(git rev-parse sub3)"
'
test_expect_success 'add main-sub5' '
@@ -420,49 +448,23 @@ test_expect_success 'split for main-sub5 without --onto' '
# also test that we still can split out an entirely new subtree
# if the parent of the first commit in the tree is not empty,
# then the new subtree has accidently been attached to something
- git subtree split --prefix subdir2 --branch mainsub5 &&
- check_equal ''"$(git log --pretty=format:%P -1 mainsub5)"'' ""
+ git subtree split --prefix=subdir2 --branch mainsub5 &&
+ test_equal "$(git log --pretty=format:%P -1 mainsub5)" ""
'
-# make sure no patch changes more than one file. The original set of commits
-# changed only one file each. A multi-file change would imply that we pruned
-# commits too aggressively.
-joincommits()
-{
- commit=
- all=
- while read x y; do
- #echo "{$x}" >&2
- if [ -z "$x" ]; then
- continue
- elif [ "$x" = "commit:" ]; then
- if [ -n "$commit" ]; then
- echo "$commit $all"
- all=
- fi
- commit="$y"
- else
- all="$all $y"
- fi
- done
- echo "$commit $all"
-}
-
test_expect_success 'verify one file change per commit' '
x= &&
- list=''"$(git log --pretty=format:'"'commit: %H'"' | joincommits)"'' &&
-# test_debug "echo HERE" &&
-# test_debug "echo ''"$list"''" &&
- (git log --pretty=format:'"'commit: %H'"' | joincommits |
- ( while read commit a b; do
- test_debug "echo Verifying commit "''"$commit"''
- test_debug "echo a: "''"$a"''
- test_debug "echo b: "''"$b"''
- check_equal "$b" ""
+ git log --pretty=format:"commit: %H" | join_commits |
+ (
+ while read commit a b; do
+ test_debug "echo Verifying commit $commit"
+ test_debug "echo a: $a"
+ test_debug "echo b: $b"
+ test_equal "$b" ""
x=1
done
- check_equal "$x" 1
- ))
+ test_equal "$x" 1
+ )
'
test_done
--
1.7.10.4
David A. Greene <greened@obbligato.org>