Signed-off-by: Christian Couder <chrisc...@tuxfamily.org>
---
t/t0410-transfer-e-odb.sh | 136 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 136 insertions(+)
create mode 100755 t/t0410-transfer-e-odb.sh
diff --git a/t/t0410-transfer-e-odb.sh b/t/t0410-transfer-e-odb.sh
new file mode 100755
index 0000000000..868b55db94
--- /dev/null
+++ b/t/t0410-transfer-e-odb.sh
@@ -0,0 +1,136 @@
+#!/bin/sh
+
+test_description='basic tests for transfering external ODBs'
+
+. ./test-lib.sh
+
+ORIG_SOURCE="$PWD/.git"
+export ORIG_SOURCE
+
+ALT_SOURCE1="$PWD/alt-repo1/.git"
+export ALT_SOURCE1
+write_script odb-helper1 <<\EOF
+die() {
+ printf >&2 "%s\n" "$@"
+ exit 1
+}
+GIT_DIR=$ALT_SOURCE1; export GIT_DIR
+case "$1" in
+have)
+ git cat-file --batch-check --batch-all-objects |
+ awk '{print $1 " " $3 " " $2}'
+ ;;
+get)
+ cat "$GIT_DIR"/objects/$(echo $2 | sed 's#..#&/#')
+ ;;
+put)
+ sha1="$2"
+ size="$3"
+ kind="$4"
+ writen=$(git hash-object -w -t "$kind" --stdin)
+ test "$writen" = "$sha1" || die "bad sha1 passed '$sha1' vs writen
'$writen'"
+ ref_hash=$(echo "$sha1 $size $kind" | GIT_DIR=$ORIG_SOURCE
GIT_NO_EXTERNAL_ODB=1 git hash-object -w -t blob --stdin) || exit
+ GIT_DIR=$ORIG_SOURCE git update-ref refs/odbs/magic/"$sha1" "$ref_hash"
+ ;;
+*)
+ die "unknown command '$1'"
+ ;;
+esac
+EOF
+HELPER1="\"$PWD\"/odb-helper1"
+
+OTHER_SOURCE="$PWD/.git"
+export OTHER_SOURCE
+
+ALT_SOURCE2="$PWD/alt-repo2/.git"
+export ALT_SOURCE2
+write_script odb-helper2 <<\EOF
+die() {
+ printf >&2 "%s\n" "$@"
+ exit 1
+}
+GIT_DIR=$ALT_SOURCE2; export GIT_DIR
+case "$1" in
+have)
+ GIT_DIR=$OTHER_SOURCE git for-each-ref --format='%(objectname)'
refs/odbs/magic/ | GIT_DIR=$OTHER_SOURCE xargs git show
+ ;;
+get)
+ OBJ_FILE="$GIT_DIR"/objects/$(echo $2 | sed 's#..#&/#')
+ if ! test -f "$OBJ_FILE"
+ then
+ # "Download" the missing object by copying it from alt-repo1
+ OBJ_DIR=$(echo $2 | sed 's/\(..\).*/\1/')
+ OBJ_BASE=$(basename "$OBJ_FILE")
+ ALT_OBJ_DIR1="$ALT_SOURCE1/objects/$OBJ_DIR"
+ ALT_OBJ_DIR2="$ALT_SOURCE2/objects/$OBJ_DIR"
+ mkdir -p "$ALT_OBJ_DIR2" || die "Could not mkdir
'$ALT_OBJ_DIR2'"
+ OBJ_SRC="$ALT_OBJ_DIR1/$OBJ_BASE"
+ cp "$OBJ_SRC" "$ALT_OBJ_DIR2" ||
+ die "Could not cp '$OBJ_SRC' into '$ALT_OBJ_DIR2'"
+ fi
+ cat "$OBJ_FILE" || die "Could not cat '$OBJ_FILE'"
+ ;;
+put)
+ sha1="$2"
+ size="$3"
+ kind="$4"
+ writen=$(git hash-object -w -t "$kind" --stdin)
+ test "$writen" = "$sha1" || die "bad sha1 passed '$sha1' vs writen
'$writen'"
+ ref_hash=$(echo "$sha1 $size $kind" | GIT_DIR=$OTHER_SOURCE
GIT_NO_EXTERNAL_ODB=1 git hash-object -w -t blob --stdin) || exit
+ GIT_DIR=$OTHER_SOURCE git update-ref refs/odbs/magic/"$sha1" "$ref_hash"
+ ;;
+*)
+ die "unknown command '$1'"
+ ;;
+esac
+EOF
+HELPER2="\"$PWD\"/odb-helper2"
+
+test_expect_success 'setup first alternate repo' '
+ git init alt-repo1 &&
+ test_commit zero &&
+ git config odb.magic.command "$HELPER1"
+'
+
+test_expect_success 'setup other repo and its alternate repo' '
+ git init other-repo &&
+ git init alt-repo2 &&
+ (cd other-repo &&
+ git remote add origin .. &&
+ git pull origin master &&
+ git checkout master &&
+ git log)
+'
+
+test_expect_success 'new blobs are put in first object store' '
+ test_commit one &&
+ hash1=$(git ls-tree HEAD | grep one.t | cut -f1 | cut -d\ -f3) &&
+ content=$(cd alt-repo1 && git show "$hash1") &&
+ test "$content" = "one" &&
+ test_commit two &&
+ hash2=$(git ls-tree HEAD | grep two.t | cut -f1 | cut -d\ -f3) &&
+ content=$(cd alt-repo1 && git show "$hash2") &&
+ test "$content" = "two"
+'
+
+test_expect_success 'other repo gets the blobs from object store' '
+ (cd other-repo &&
+ git fetch origin "refs/odbs/magic/*:refs/odbs/magic/*" &&
+ test_must_fail git cat-file blob "$hash1" &&
+ test_must_fail git cat-file blob "$hash2" &&
+ git config odb.magic.command "$HELPER2" &&
+ git cat-file blob "$hash1" &&
+ git cat-file blob "$hash2"
+ )
+'
+
+test_expect_success 'other repo gets everything else' '
+ (cd other-repo &&
+ git fetch origin &&
+ content=$(git show "$hash1") &&
+ test "$content" = "one" &&
+ content=$(git show "$hash2") &&
+ test "$content" = "two")
+'
+
+test_done
--
2.13.1.565.gbfcd7a9048
