Mostly prepare for the later tests refactoring. Signed-off-by: Techlive Zheng <techlivezheng@xxxxxxxxx> --- contrib/subtree/git-subtree.sh | 66 ++++----- contrib/subtree/t/t7900-subtree.sh | 283 +++++++++++++++++++------------------ 2 files changed, 179 insertions(+), 170 deletions(-) diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh index 138e1e0..91e6e87 100755 --- a/contrib/subtree/git-subtree.sh +++ b/contrib/subtree/git-subtree.sh @@ -5,7 +5,7 @@ # Copyright (C) 2009 Avery Pennarun <apenwarr@xxxxxxxxx> # if [ $# -eq 0 ]; then - set -- -h + set -- -h fi OPTS_SPEC="\ git subtree add --prefix=<prefix> <commit> @@ -110,9 +110,9 @@ if [ -z "$prefix" ]; then fi case "$command" in - add) [ -e "$prefix" ] && + add) [ -e "$prefix" ] && die "prefix '$prefix' already exists." ;; - *) [ -e "$prefix" ] || + *) [ -e "$prefix" ] || die "'$prefix' does not exist; use 'git subtree add'" ;; esac @@ -181,8 +181,8 @@ cache_set() oldrev="$1" newrev="$2" if [ "$oldrev" != "latest_old" \ - -a "$oldrev" != "latest_new" \ - -a -e "$cachedir/$oldrev" ]; then + -a "$oldrev" != "latest_new" \ + -a -e "$cachedir/$oldrev" ]; then die "cache for $oldrev already exists!" fi echo "$newrev" >"$cachedir/$oldrev" @@ -327,7 +327,7 @@ add_msg() fi cat <<-EOF $commit_message - + git-subtree-dir: $dir git-subtree-mainline: $latest_old git-subtree-split: $latest_new @@ -355,7 +355,7 @@ rejoin_msg() fi cat <<-EOF $commit_message - + git-subtree-dir: $dir git-subtree-mainline: $latest_old git-subtree-split: $latest_new @@ -368,7 +368,7 @@ squash_msg() oldsub="$2" newsub="$3" newsub_short=$(git rev-parse --short "$newsub") - + if [ -n "$oldsub" ]; then oldsub_short=$(git rev-parse --short "$oldsub") echo "Squashed '$dir/' changes from $oldsub_short..$newsub_short" @@ -378,7 +378,7 @@ squash_msg() else echo "Squashed '$dir/' content from commit $newsub_short" fi - + echo echo "git-subtree-dir: $dir" echo "git-subtree-split: $newsub" @@ -427,7 +427,7 @@ new_squash_commit() newsub="$3" tree=$(toptree_for_commit $newsub) || exit $? if [ -n "$old" ]; then - squash_msg "$dir" "$oldsub" "$newsub" | + squash_msg "$dir" "$oldsub" "$newsub" | git commit-tree "$tree" -p "$old" || exit $? else squash_msg "$dir" "" "$newsub" | @@ -455,7 +455,7 @@ copy_or_skip() else nonidentical="$parent" fi - + # sometimes both old parents map to the same newparent; # eliminate duplicates is_new=1 @@ -470,7 +470,7 @@ copy_or_skip() p="$p -p $parent" fi done - + if [ -n "$identical" ]; then echo $identical else @@ -495,14 +495,14 @@ cmd_add() fi ensure_clean - + if [ $# -eq 1 ]; then "cmd_add_commit" "$@" elif [ $# -eq 2 ]; then "cmd_add_repository" "$@" else - say "error: parameters were '$@'" - die "Provide either a refspec or a repository and refspec." + say "error: parameters were '$@'" + die "Provide either a refspec or a repository and refspec." fi } @@ -522,19 +522,19 @@ cmd_add_commit() revs=$(git rev-parse $default --revs-only "$@") || exit $? set -- $revs rev="$1" - + debug "Adding $dir as '$rev'..." git read-tree --prefix="$dir" $rev || exit $? git checkout -- "$dir" || exit $? tree=$(git write-tree) || exit $? - + headrev=$(git rev-parse HEAD) || exit $? if [ -n "$headrev" -a "$headrev" != "$rev" ]; then headp="-p $headrev" else headp= fi - + if [ -n "$squash" ]; then rev=$(new_squash_commit "" "" "$rev") || exit $? commit=$(add_squashed_msg "$rev" "$dir" | @@ -544,7 +544,7 @@ cmd_add_commit() git commit-tree $tree $headp -p "$rev") || exit $? fi git reset "$commit" || exit $? - + say "Added dir '$dir'" } @@ -552,7 +552,7 @@ cmd_split() { debug "Splitting $dir..." cache_setup || exit $? - + if [ -n "$onto" ]; then debug "Reading history for --onto=$onto..." git rev-list $onto | @@ -563,13 +563,13 @@ cmd_split() cache_set $rev $rev done fi - + if [ -n "$ignore_joins" ]; then unrevs= else unrevs="$(find_existing_splits "$dir" "$revs")" fi - + # We can't restrict rev-list to only $dir here, because some of our # parents have the $dir contents the root, and those won't match. # (and rev-list --follow doesn't seem to solve this) @@ -591,12 +591,12 @@ cmd_split() debug " parents: $parents" newparents=$(cache_get $parents) debug " newparents: $newparents" - + tree=$(subtree_for_commit $rev "$dir") debug " tree is: $tree" check_parents $parents - + # ugly. is there no better way to tell if this is a subtree # vs. a mainline commit? Does it matter? if [ -z $tree ]; then @@ -617,7 +617,7 @@ cmd_split() if [ -z "$latest_new" ]; then die "No new revisions were found" fi - + if [ -n "$rejoin" ]; then debug "Merging split branch into HEAD..." latest_old=$(cache_get latest_old) @@ -645,13 +645,13 @@ cmd_merge() { revs=$(git rev-parse $default --revs-only "$@") || exit $? ensure_clean - + set -- $revs if [ $# -ne 1 ]; then die "You must provide exactly one revision. Got: '$revs'" fi rev="$1" - + if [ -n "$squash" ]; then first_split="$(find_latest_squash "$dir")" if [ -z "$first_split" ]; then @@ -697,15 +697,15 @@ cmd_pull() cmd_push() { if [ $# -ne 2 ]; then - die "You must provide <repository> <refspec>" + die "You must provide <repository> <refspec>" fi if [ -e "$dir" ]; then - repository=$1 - refspec=$2 - echo "git push using: " $repository $refspec - git push $repository $(git subtree split --prefix=$prefix):refs/heads/$refspec + repository=$1 + refspec=$2 + echo "git push using: " $repository $refspec + git push $repository $(git subtree split --prefix=$prefix):refs/heads/$refspec else - die "'$dir' must already exist. Try 'git subtree add'." + die "'$dir' must already exist. Try 'git subtree add'." fi } diff --git a/contrib/subtree/t/t7900-subtree.sh b/contrib/subtree/t/t7900-subtree.sh index abdcddb..bb4fd1f 100755 --- a/contrib/subtree/t/t7900-subtree.sh +++ b/contrib/subtree/t/t7900-subtree.sh @@ -4,7 +4,7 @@ # test_description='Basic porcelain support for subtrees -This test verifies the basic operation of the merge, pull, add +This test verifies the basic operation of the add, pull, merge and split subcommands of git subtree. ' @@ -14,50 +14,73 @@ export TEST_DIRECTORY=$(pwd)/../../../t create() { - echo "$1" >"$1" - git add "$1" + echo "$1" >"$1" + git add "$1" } +fixnl() +{ + t="" + while read x; do + t="$t$x " + done + echo $t +} -check_equal() +multiline() { - test_debug 'echo' - test_debug "echo \"check a:\" \"{$1}\"" - test_debug "echo \" b:\" \"{$2}\"" - if [ "$1" = "$2" ]; then - return 0 - else - return 1 - fi + while read x; do + set -- $x + for d in "$@"; do + echo "$d" + done + done } -fixnl() +undo() { - t="" - while read x; do - t="$t$x " - done - echo $t + git reset --hard HEAD~ } -multiline() +test_equal() { - while read x; do - set -- $x - for d in "$@"; do - echo "$d" - done - done + test_debug 'echo' + test_debug "echo \"check a:\" \"{$1}\"" + test_debug "echo \" b:\" \"{$2}\"" + if [ "$1" = "$2" ]; then + return 0 + else + return 1 + fi } -undo() +# Make sure no patch changes more than one file. +# The original set of commits changed only one file each. +# A multi-file change would imply that we pruned commits +# too aggressively. +join_commits() { - git reset --hard HEAD~ + commit= + all= + while read x y; do + if [ -z "$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 $all" } last_commit_message() { - git log --pretty=format:%s -1 + git log --pretty=format:%s -1 } test_expect_success 'init subproj' ' @@ -93,7 +116,7 @@ test_expect_success 'add main4' ' create main4 && git commit -m "main4" && git branch -m master mainline && - git branch subdir + git branch init ' test_expect_success 'fetch subproj history' ' @@ -101,40 +124,43 @@ test_expect_success 'fetch subproj history' ' git branch sub1 FETCH_HEAD ' -test_expect_success 'no subtree exists in main tree' ' - test_must_fail git subtree merge --prefix=subdir sub1 -' - test_expect_success 'no pull from non-existant subtree' ' test_must_fail git subtree pull --prefix=subdir ./subproj sub1 ' -test_expect_success 'check if --message works for add' ' - git subtree add --prefix=subdir --message="Added subproject" sub1 && - check_equal ''"$(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 "$(last_commit_message)" "Added subproject with squash" && + undo ' -# this shouldn't actually do anything, since FETCH_HEAD is already a parent -test_expect_success 'merge fetched subproj' ' - git merge -m "merge -s -ours" -s ours FETCH_HEAD +test_expect_success 'merge the added subproj again, should do nothing' ' + git subtree add --prefix=subdir FETCH_HEAD && + # this shouldn not actually do anything, since FETCH_HEAD + # is already a parent + git merge -s ours -m "merge -s -ours" FETCH_HEAD ' test_expect_success 'add main-sub5' ' @@ -157,25 +183,30 @@ test_expect_success 'fetch new subproj history' ' git branch sub2 FETCH_HEAD ' -test_expect_success 'check if --message works for merge' ' - git subtree merge --prefix=subdir -m "Merged changes from subproject" sub2 && - check_equal ''"$(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 'merge new subproj history into subdir/ with --prefix and --message' ' + git subtree merge --prefix=subdir --message="Merged changes from subproject" FETCH_HEAD && + test_equal "$(last_commit_message)" "Merged changes from subproject" && undo ' -test_expect_success 'check if --message for merge works with squash too' ' - git subtree merge --prefix subdir -m "Merged changes from subproject using squash" --squash sub2 && - check_equal ''"$(last_commit_message)"'' "Merged changes from subproject using squash" && +test_expect_success 'merge new subproj history into subdir/ with --squash and --prefix and --message' ' + git subtree merge --prefix=subdir --message="Merged changes from subproject using squash" --squash FETCH_HEAD && + test_equal "$(last_commit_message)" "Merged changes from subproject using squash" && undo ' -test_expect_success 'merge new subproj history into subdir' ' +test_expect_success 'merge new subproj history into subdir/' ' git subtree merge --prefix=subdir FETCH_HEAD && - git branch pre-split && - check_equal ''"$(last_commit_message)"'' "Merge commit '"'"'"$(git rev-parse sub2)"'"'"' into mainline" + git branch pre-split ' -test_expect_success 'Check that prefix argument is required for split' ' +test_expect_success 'split requires option --prefix' ' echo "You must provide the --prefix option." > expected && test_must_fail git subtree split > actual 2>&1 && test_debug "echo -n expected: " && @@ -186,48 +217,52 @@ test_expect_success 'Check that prefix argument is required for split' ' rm -f expected actual ' -test_expect_success 'Check that the <prefix> exists for a split' ' - echo "'"'"'non-existent-directory'"'"'" does not exist\; use "'"'"'git subtree add'"'"'" > expected && +test_expect_success 'split requires path given by option --prefix must exist' ' + echo "'\''non-existent-directory'\'' does not exist; use '\''git subtree add'\''" > expected && test_must_fail git subtree split --prefix=non-existent-directory > actual 2>&1 && test_debug "echo -n expected: " && test_debug "cat expected" && test_debug "echo -n actual: " && test_debug "cat actual" && - test_cmp expected actual -# rm -f expected actual + test_cmp expected actual && + rm -f expected actual ' -test_expect_success 'check if --message works for split+rejoin' ' - spl1=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' && +test_expect_success 'split subdir/ with --rejoin' ' + spl1=$(git subtree split --prefix=subdir --annotate="*") && git branch spl1 "$spl1" && - check_equal ''"$(last_commit_message)"'' "Split & rejoin" && + git subtree split --prefix=subdir --annotate="*" --rejoin && + test_equal "$(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) && +test_expect_success 'split subdir/ with --rejoin and --message' ' + git subtree split --prefix=subdir --message="Split & rejoin" --annotate="*" --rejoin && + test_equal "$(last_commit_message)" "Split & rejoin" && + undo +' + +test_expect_success 'split subdir/ with --branch' ' + spl1=$(git subtree split --prefix=subdir --message="Split & rejoin" --annotate="*" --rejoin) && undo && - git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --branch splitbr1 && - check_equal ''"$(git rev-parse splitbr1)"'' "$spl1" + 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=''"$(git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --message "Split & rejoin" --rejoin)"'' && - undo && - git subtree split --annotate='"'*'"' --prefix subdir --onto FETCH_HEAD --rejoin && - check_equal ''"$(last_commit_message)"'' "Split '"'"'subdir/'"'"' into commit '"'"'"$spl1"'"'"'" +test_expect_success 'split and rejoin' ' + git subtree split --prefix=subdir --annotate="*" --rejoin ' test_expect_success 'add main-sub8' ' @@ -253,8 +288,8 @@ test_expect_success 'add sub9' ' cd .. test_expect_success 'split for sub8' ' - split2=''"$(git subtree split --annotate='"'*'"' --prefix subdir/ --rejoin)"'' - git branch split2 "$split2" + spl2=$(git subtree split --prefix=subdir/ --annotate="*" --rejoin) && + git branch spl2 "$spl2" ' test_expect_success 'add main-sub10' ' @@ -263,7 +298,7 @@ test_expect_success 'add main-sub10' ' ' test_expect_success 'split for sub10' ' - spl3=''"$(git subtree split --annotate='"'*'"' --prefix subdir --rejoin)"'' && + spl3=$(git subtree split --prefix=subdir --annotate="*" --rejoin) && git branch spl3 "$spl3" ' @@ -284,13 +319,13 @@ 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 $chks" ' # Back to mainline @@ -303,25 +338,25 @@ test_expect_success 'pull from subproj' ' ' test_expect_success 'make sure exactly the right set of files ends up in the mainline' ' - mainfiles=''"$(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 "$(git log --pretty=format:"%s%n%b" HEAD^2 | grep "git-subtree.*:")" "" ' # prepare second pair of repositories @@ -359,7 +394,7 @@ cd ../main test_expect_success 'add sub as subdir in main' ' git fetch ../sub master && git branch sub2 FETCH_HEAD && - git subtree add --prefix subdir sub2 + git subtree add --prefix=subdir sub2 ' cd ../sub @@ -374,7 +409,7 @@ cd ../main test_expect_success 'merge from sub' ' git fetch ../sub master && git branch sub3 FETCH_HEAD && - git subtree merge --prefix subdir sub3 + git subtree merge --prefix=subdir sub3 ' test_expect_success 'add main-sub4' ' @@ -383,7 +418,7 @@ test_expect_success 'add main-sub4' ' ' test_expect_success 'split for main-sub4 without --onto' ' - git subtree split --prefix subdir --branch mainsub4 + git subtree split --prefix=subdir --branch mainsub4 ' # at this point, the new commit parent should be sub3 if it is not, @@ -392,7 +427,7 @@ test_expect_success 'split for main-sub4 without --onto' ' # itself) test_expect_success 'check that the commit parent is sub3' ' - check_equal ''"$(git log --pretty=format:%P -1 mainsub4)"'' ''"$(git rev-parse sub3)"'' + test_equal "$(git log --pretty=format:%P -1 mainsub4)" "$(git rev-parse sub3)" ' test_expect_success 'add main-sub5' ' @@ -405,49 +440,23 @@ test_expect_success 'split for main-sub5 without --onto' ' # also test that we still can split out an entirely new subtree # if the parent of the first commit in the tree is not empty, # then the new subtree has accidently been attached to something - git subtree split --prefix subdir2 --branch mainsub5 && - check_equal ''"$(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 "$b" "" - x=1 - done - check_equal "$x" 1 - )) + 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 + test_equal "$x" 1 + ) ' test_done -- 1.8.1 -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html