#!/bin/sh # # Copyright (C) 2006 Martin Waitz # test_description='test clone --reference' . ./test-lib.sh base_dir=$(pwd) U=$base_dir/UPLOAD_LOG # 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 "$1" count-objects >actual.raw && cut -d' ' -f1 actual && test_cmp expect actual } test_expect_success 'preparing first repository' ' test_create_repo A && commit_in A file1 ' test_expect_success 'preparing second repository' ' git clone A B && commit_in B file2 && git -C B repack -ad && git -C B prune ' test_expect_success 'cloning with reference (-l -s)' ' git clone -l -s --reference B A C ' test_expect_success 'existence of info/alternates' ' test_line_count = 2 C/.git/objects/info/alternates ' test_expect_success 'pulling from reference' ' git -C C pull ../B master ' test_expect_success 'that reference gets used' ' test_objcount C 0 ' test_expect_success 'cloning with reference (no -l -s)' ' GIT_TRACE_PACKET=$U.D git clone --reference B "file://$(pwd)/A" D ' test_expect_success 'fetched no objects' ' test -s "$U.D" && ! grep " want" "$U.D" ' test_expect_success 'existence of info/alternates' ' test_line_count = 1 D/.git/objects/info/alternates ' test_expect_success 'pulling from reference' ' git -C D pull ../B master ' test_expect_success 'that reference gets used' ' test_objcount D 0 ' test_expect_success 'updating origin' ' commit_in A file3 && git -C A repack -ad && git -C A prune ' test_expect_success 'pulling changes from origin' ' git -C C pull origin ' # the 2 local objects are commit and tree from the merge test_expect_success 'that alternate to origin gets used' ' test_objcount C 2 ' test_expect_success 'pulling changes from origin' ' git -C D pull origin ' # the 5 local objects are expected; file3 blob, commit in A to add it # and its tree, and 2 are our tree and the merge commit. test_expect_success 'check objects expected to exist locally' ' test_objcount D 5 ' test_expect_success 'preparing alternate repository #1' ' test_create_repo F && commit_in F file1 ' test_expect_success 'cloning alternate repo #2 and adding changes to repo #1' ' git clone F G && commit_in F file2 ' test_expect_success 'cloning alternate repo #1, using #2 as reference' ' git clone --reference G F H ' test_expect_success 'cloning with reference being subset of source (-l -s)' ' git clone -l -s --reference A B E ' test_expect_success 'cloning with multiple references drops duplicates' ' git clone -s --reference B --reference A --reference B A dups && test_line_count = 2 dups/.git/objects/info/alternates ' test_expect_success 'clone with reference from a tagged repository' ' ( cd A && git tag -a -m tagged HEAD ) && git clone --reference=A A I ' test_expect_success 'prepare branched repository' ' git clone A J && ( cd J && git checkout -b other master^ && echo other >otherfile && git add otherfile && git commit -m other && git checkout master ) ' test_expect_success 'fetch with incomplete alternates' ' git init K && echo "$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" ' 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 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 P && test_commit one ) && 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_expect_success 'clone, dissociate from alternates' ' rm -fr A B C && test_create_repo A && commit_in A file1 && git clone --reference=A A B && test_line_count = 1 B/.git/objects/info/alternates && git clone --local --dissociate B C && ! test -f C/.git/objects/info/alternates && ( cd C && git fsck ) ' test_done