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-rwxr-xr-xt/t5700-clone-reference.sh279
1 files changed, 168 insertions, 111 deletions
diff --git a/t/t5700-clone-reference.sh b/t/t5700-clone-reference.sh
index c4c375ac04..2250ef4fe2 100755
--- a/t/t5700-clone-reference.sh
+++ b/t/t5700-clone-reference.sh
@@ -10,147 +10,204 @@ base_dir=`pwd`
U=$base_dir/UPLOAD_LOG
-test_expect_success 'preparing first repository' \
-'test_create_repo A && cd A &&
-echo first > file1 &&
-git add file1 &&
-git commit -m initial'
-
-cd "$base_dir"
-
-test_expect_success 'preparing second repository' \
-'git clone A B && cd B &&
-echo second > file2 &&
-git add file2 &&
-git commit -m addition &&
-git repack -a -d &&
-git prune'
-
-cd "$base_dir"
-
-test_expect_success 'cloning with reference (-l -s)' \
-'git clone -l -s --reference B A C'
-
-cd "$base_dir"
-
-test_expect_success 'existence of info/alternates' \
-'test `wc -l <C/.git/objects/info/alternates` = 2'
-
-cd "$base_dir"
-
-test_expect_success 'pulling from reference' \
-'cd C &&
-git pull ../B master'
-
-cd "$base_dir"
-
-test_expect_success 'that reference gets used' \
-'cd C &&
-echo "0 objects, 0 kilobytes" > expected &&
-git count-objects > current &&
-test_cmp expected current'
-
-cd "$base_dir"
-
-rm -f "$U"
-
-test_expect_success 'cloning with reference (no -l -s)' \
-'GIT_DEBUG_SEND_PACK=3 git clone --reference B "file://$(pwd)/A" D 3>"$U"'
+# create a commit in repo $1 with name $2
+commit_in () {
+ (
+ cd "$1" &&
+ echo "$2" >"$2" &&
+ git add "$2" &&
+ git commit -m "$2"
+ )
+}
+
+# check that there are $2 loose objects in repo $1
+test_objcount () {
+ echo "$2" >expect &&
+ git -C "$1" count-objects >actual.raw &&
+ cut -d' ' -f1 <actual.raw >actual &&
+ test_cmp expect actual
+}
+
+test_expect_success 'preparing first repository' '
+ test_create_repo A &&
+ commit_in A file1
+'
-test_expect_success 'fetched no objects' \
-'! grep "^want" "$U"'
+test_expect_success 'preparing second repository' '
+ git clone A B &&
+ commit_in B file2 &&
+ git -C B repack -ad &&
+ git -C B prune
+'
-cd "$base_dir"
+test_expect_success 'cloning with reference (-l -s)' '
+ git clone -l -s --reference B A C
+'
-test_expect_success 'existence of info/alternates' \
-'test `wc -l <D/.git/objects/info/alternates` = 1'
+test_expect_success 'existence of info/alternates' '
+ test_line_count = 2 C/.git/objects/info/alternates
+'
-cd "$base_dir"
+test_expect_success 'pulling from reference' '
+ git -C C pull ../B master
+'
-test_expect_success 'pulling from reference' \
-'cd D && git pull ../B master'
+test_expect_success 'that reference gets used' '
+ test_objcount C 0
+'
-cd "$base_dir"
+test_expect_success 'cloning with reference (no -l -s)' '
+ GIT_TRACE_PACKET=$U.D git clone --reference B "file://$(pwd)/A" D
+'
-test_expect_success 'that reference gets used' \
-'cd D && echo "0 objects, 0 kilobytes" > expected &&
-git count-objects > current &&
-test_cmp expected current'
+test_expect_success 'fetched no objects' '
+ test -s "$U.D" &&
+ ! grep " want" "$U.D"
+'
-cd "$base_dir"
+test_expect_success 'existence of info/alternates' '
+ test_line_count = 1 D/.git/objects/info/alternates
+'
-test_expect_success 'updating origin' \
-'cd A &&
-echo third > file3 &&
-git add file3 &&
-git commit -m update &&
-git repack -a -d &&
-git prune'
+test_expect_success 'pulling from reference' '
+ git -C D pull ../B master
+'
-cd "$base_dir"
+test_expect_success 'that reference gets used' '
+ test_objcount D 0
+'
-test_expect_success 'pulling changes from origin' \
-'cd C &&
-git pull origin'
+test_expect_success 'updating origin' '
+ commit_in A file3 &&
+ git -C A repack -ad &&
+ git -C A prune
+'
-cd "$base_dir"
+test_expect_success 'pulling changes from origin' '
+ git -C C pull origin
+'
# the 2 local objects are commit and tree from the merge
-test_expect_success 'that alternate to origin gets used' \
-'cd C &&
-echo "2 objects" > expected &&
-git count-objects | cut -d, -f1 > current &&
-test_cmp expected current'
-
-cd "$base_dir"
-
-test_expect_success 'pulling changes from origin' \
-'cd D &&
-git pull origin'
+test_expect_success 'that alternate to origin gets used' '
+ test_objcount C 2
+'
-cd "$base_dir"
+test_expect_success 'pulling changes from origin' '
+ git -C D pull origin
+'
# the 5 local objects are expected; file3 blob, commit in A to add it
# and its tree, and 2 are our tree and the merge commit.
-test_expect_success 'check objects expected to exist locally' \
-'cd D &&
-echo "5 objects" > expected &&
-git count-objects | cut -d, -f1 > current &&
-test_cmp expected current'
+test_expect_success 'check objects expected to exist locally' '
+ test_objcount D 5
+'
-cd "$base_dir"
+test_expect_success 'preparing alternate repository #1' '
+ test_create_repo F &&
+ commit_in F file1
+'
-test_expect_success 'preparing alternate repository #1' \
-'test_create_repo F && cd F &&
-echo first > file1 &&
-git add file1 &&
-git commit -m initial'
+test_expect_success 'cloning alternate repo #2 and adding changes to repo #1' '
+ git clone F G &&
+ commit_in F file2
+'
-cd "$base_dir"
+test_expect_success 'cloning alternate repo #1, using #2 as reference' '
+ git clone --reference G F H
+'
-test_expect_success 'cloning alternate repo #2 and adding changes to repo #1' \
-'git clone F G && cd F &&
-echo second > file2 &&
-git add file2 &&
-git commit -m addition'
+test_expect_success 'cloning with reference being subset of source (-l -s)' '
+ git clone -l -s --reference A B E
+'
-cd "$base_dir"
+test_expect_success 'cloning with multiple references drops duplicates' '
+ git clone -s --reference B --reference A --reference B A dups &&
+ test_line_count = 2 dups/.git/objects/info/alternates
+'
-test_expect_success 'cloning alternate repo #1, using #2 as reference' \
-'git clone --reference G F H'
+test_expect_success 'clone with reference from a tagged repository' '
+ (
+ cd A && git tag -a -m tagged HEAD
+ ) &&
+ git clone --reference=A A I
+'
-cd "$base_dir"
+test_expect_success 'prepare branched repository' '
+ git clone A J &&
+ (
+ cd J &&
+ git checkout -b other master^ &&
+ echo other >otherfile &&
+ git add otherfile &&
+ git commit -m other &&
+ git checkout master
+ )
+'
-test_expect_success 'cloning with reference being subset of source (-l -s)' \
-'git clone -l -s --reference A B E'
+test_expect_success 'fetch with incomplete alternates' '
+ git init K &&
+ echo "$base_dir/A/.git/objects" >K/.git/objects/info/alternates &&
+ (
+ cd K &&
+ git remote add J "file://$base_dir/J" &&
+ GIT_TRACE_PACKET=$U.K git fetch J
+ ) &&
+ master_object=$(cd A && git for-each-ref --format="%(objectname)" refs/heads/master) &&
+ test -s "$U.K" &&
+ ! grep " want $master_object" "$U.K" &&
+ tag_object=$(cd A && git for-each-ref --format="%(objectname)" refs/tags/HEAD) &&
+ ! grep " want $tag_object" "$U.K"
+'
-cd "$base_dir"
+test_expect_success 'clone using repo with gitfile as a reference' '
+ git clone --separate-git-dir=L A M &&
+ git clone --reference=M A N &&
+ echo "$base_dir/L/objects" >expected &&
+ test_cmp expected "$base_dir/N/.git/objects/info/alternates"
+'
-test_expect_success 'clone with reference from a tagged repository' '
+test_expect_success 'clone using repo pointed at by gitfile as reference' '
+ git clone --reference=M/.git A O &&
+ echo "$base_dir/L/objects" >expected &&
+ test_cmp expected "$base_dir/O/.git/objects/info/alternates"
+'
+
+test_expect_success 'clone and dissociate from reference' '
+ git init P &&
(
- cd A && git tag -a -m 'tagged' HEAD
+ cd P && test_commit one
) &&
- git clone --reference=A A I
+ git clone P Q &&
+ (
+ cd Q && test_commit two
+ ) &&
+ git clone --no-local --reference=P Q R &&
+ git clone --no-local --reference=P --dissociate Q S &&
+ # removing the reference P would corrupt R but not S
+ rm -fr P &&
+ test_must_fail git -C R fsck &&
+ git -C S fsck
+'
+test_expect_success 'clone, dissociate from partial reference and repack' '
+ rm -fr P Q R &&
+ git init P &&
+ (
+ cd P &&
+ test_commit one &&
+ git repack &&
+ test_commit two &&
+ git repack
+ ) &&
+ git clone --bare P Q &&
+ (
+ cd P &&
+ git checkout -b second &&
+ test_commit three &&
+ git repack
+ ) &&
+ git clone --bare --dissociate --reference=P Q R &&
+ ls R/objects/pack/*.pack >packs.txt &&
+ test_line_count = 1 packs.txt
'
test_done