diff options
| -rw-r--r-- | Makefile | 2 | ||||
| -rw-r--r-- | builtin-apply.c | 35 | ||||
| -rwxr-xr-x | t/t4122-apply-symlink-inside.sh | 57 |
3 files changed, 84 insertions, 10 deletions
@@ -318,7 +318,7 @@ LIB_OBJS = \ write_or_die.o trace.o list-objects.o grep.o match-trees.o \ alloc.o merge-file.o path-list.o help.o unpack-trees.o $(DIFF_OBJS) \ color.o wt-status.o archive-zip.o archive-tar.o shallow.o utf8.o \ - convert.o attr.o decorate.o progress.o mailmap.o + convert.o attr.o decorate.o progress.o mailmap.o symlinks.o BUILTIN_OBJS = \ builtin-add.o \ diff --git a/builtin-apply.c b/builtin-apply.c index f94d0dbf48..8b8705a6c0 100644 --- a/builtin-apply.c +++ b/builtin-apply.c @@ -2009,6 +2009,29 @@ static int apply_data(struct patch *patch, struct stat *st, struct cache_entry * return 0; } +static int check_to_create_blob(const char *new_name, int ok_if_exists) +{ + struct stat nst; + if (!lstat(new_name, &nst)) { + if (S_ISDIR(nst.st_mode) || ok_if_exists) + return 0; + /* + * A leading component of new_name might be a symlink + * that is going to be removed with this patch, but + * still pointing at somewhere that has the path. + * In such a case, path "new_name" does not exist as + * far as git is concerned. + */ + if (has_symlink_leading_path(new_name, NULL)) + return 0; + + return error("%s: already exists in working directory", new_name); + } + else if ((errno != ENOENT) && (errno != ENOTDIR)) + return error("%s: %s", new_name, strerror(errno)); + return 0; +} + static int check_patch(struct patch *patch, struct patch *prev_patch) { struct stat st; @@ -2095,15 +2118,9 @@ static int check_patch(struct patch *patch, struct patch *prev_patch) !ok_if_exists) return error("%s: already exists in index", new_name); if (!cached) { - struct stat nst; - if (!lstat(new_name, &nst)) { - if (S_ISDIR(nst.st_mode) || ok_if_exists) - ; /* ok */ - else - return error("%s: already exists in working directory", new_name); - } - else if ((errno != ENOENT) && (errno != ENOTDIR)) - return error("%s: %s", new_name, strerror(errno)); + int err = check_to_create_blob(new_name, ok_if_exists); + if (err) + return err; } if (!patch->new_mode) { if (0 < patch->is_new) diff --git a/t/t4122-apply-symlink-inside.sh b/t/t4122-apply-symlink-inside.sh new file mode 100755 index 0000000000..37c9a9f254 --- /dev/null +++ b/t/t4122-apply-symlink-inside.sh @@ -0,0 +1,57 @@ +#!/bin/sh + +test_description='apply to deeper directory without getting fooled with symlink' +. ./test-lib.sh + +lecho () { + for l_ + do + echo "$l_" + done +} + +test_expect_success setup ' + + mkdir -p arch/i386/boot arch/x86_64 && + lecho 1 2 3 4 5 >arch/i386/boot/Makefile && + ln -s ../i386/boot arch/x86_64/boot && + git add . && + test_tick && + git commit -m initial && + git branch test && + + rm arch/x86_64/boot && + mkdir arch/x86_64/boot && + lecho 2 3 4 5 6 >arch/x86_64/boot/Makefile && + git add . && + test_tick && + git commit -a -m second && + + git format-patch --binary -1 --stdout >test.patch + +' + +test_expect_success apply ' + + git checkout test && + git reset --hard && #### checkout seems to be buggy + git diff --exit-code test && + git diff --exit-code --cached test && + git apply --index test.patch + +' + +test_expect_success 'check result' ' + + git diff --exit-code master && + git diff --exit-code --cached master && + test_tick && + git commit -m replay && + T1=$(git rev-parse "master^{tree}") && + T2=$(git rev-parse "HEAD^{tree}") && + test "z$T1" = "z$T2" + +' + +test_done + |