diff options
| -rw-r--r-- | Documentation/git-hash-object.txt | 12 | ||||
| -rw-r--r-- | hash-object.c | 19 | ||||
| -rwxr-xr-x | t/t1007-hash-object.sh | 24 |
3 files changed, 48 insertions, 7 deletions
diff --git a/Documentation/git-hash-object.txt b/Documentation/git-hash-object.txt index a4703ec0de..fececbf753 100644 --- a/Documentation/git-hash-object.txt +++ b/Documentation/git-hash-object.txt @@ -9,7 +9,7 @@ git-hash-object - Compute object ID and optionally creates a blob from a file SYNOPSIS -------- [verse] -'git hash-object' [-t <type>] [-w] [--stdin] [--] <file>... +'git hash-object' [-t <type>] [-w] [--path=<file>] [--stdin] [--] <file>... 'git hash-object' [-t <type>] [-w] --stdin-paths < <list-of-paths> DESCRIPTION @@ -37,6 +37,16 @@ OPTIONS --stdin-paths:: Read file names from stdin instead of from the command-line. +--path:: + Hash object as it were located at the given path. The location of + file does not directly influence on the hash value, but path is + used to determine what git filters should be applied to the object + before it can be placed to the object database, and, as result of + applying filters, the actual blob put into the object database may + differ from the given file. This option is mainly useful for hashing + temporary files located outside of the working directory or files + read from stdin. + Author ------ Written by Junio C Hamano <gitster@pobox.com> diff --git a/hash-object.c b/hash-object.c index 489e8369d8..ce04d150a4 100644 --- a/hash-object.c +++ b/hash-object.c @@ -22,13 +22,14 @@ static void hash_fd(int fd, const char *type, int write_object, const char *path maybe_flush_or_die(stdout, "hash to stdout"); } -static void hash_object(const char *path, const char *type, int write_object) +static void hash_object(const char *path, const char *type, int write_object, + const char *vpath) { int fd; fd = open(path, O_RDONLY); if (fd < 0) die("Cannot open %s", path); - hash_fd(fd, type, write_object, path); + hash_fd(fd, type, write_object, vpath); } static void hash_stdin_paths(const char *type, int write_objects) @@ -44,14 +45,14 @@ static void hash_stdin_paths(const char *type, int write_objects) die("line is badly quoted"); strbuf_swap(&buf, &nbuf); } - hash_object(buf.buf, type, write_objects); + hash_object(buf.buf, type, write_objects, buf.buf); } strbuf_release(&buf); strbuf_release(&nbuf); } static const char * const hash_object_usage[] = { - "git hash-object [-t <type>] [-w] [--stdin] [--] <file>...", + "git hash-object [-t <type>] [-w] [--path=<file>] [--stdin] [--] <file>...", "git hash-object --stdin-paths < <list-of-paths>", NULL }; @@ -60,12 +61,14 @@ static const char *type; static int write_object; static int hashstdin; static int stdin_paths; +static const char *vpath; static const struct option hash_object_options[] = { OPT_STRING('t', NULL, &type, "type", "object type"), OPT_BOOLEAN('w', NULL, &write_object, "write the object into the object database"), OPT_BOOLEAN( 0 , "stdin", &hashstdin, "read the object from stdin"), OPT_BOOLEAN( 0 , "stdin-paths", &stdin_paths, "read file names from stdin"), + OPT_STRING( 0 , "path", &vpath, "file", "process file as it were from this path"), OPT_END() }; @@ -85,6 +88,8 @@ int main(int argc, const char **argv) if (write_object) { prefix = setup_git_directory(); prefix_length = prefix ? strlen(prefix) : 0; + if (vpath && prefix) + vpath = prefix_filename(prefix, prefix_length, vpath); } if (stdin_paths) { @@ -92,6 +97,8 @@ int main(int argc, const char **argv) errstr = "Can't use --stdin-paths with --stdin"; else if (argc) errstr = "Can't specify files with --stdin-paths"; + else if (vpath) + errstr = "Can't use --stdin-paths with --path"; } else if (hashstdin > 1) errstr = "Multiple --stdin arguments are not supported"; @@ -102,14 +109,14 @@ int main(int argc, const char **argv) } if (hashstdin) - hash_fd(0, type, write_object, NULL); + hash_fd(0, type, write_object, vpath); for (i = 0 ; i < argc; i++) { const char *arg = argv[i]; if (0 <= prefix_length) arg = prefix_filename(prefix, prefix_length, arg); - hash_object(arg, type, write_object); + hash_object(arg, type, write_object, vpath ? vpath : arg); } if (stdin_paths) diff --git a/t/t1007-hash-object.sh b/t/t1007-hash-object.sh index 6d505fafeb..f3972a79af 100755 --- a/t/t1007-hash-object.sh +++ b/t/t1007-hash-object.sh @@ -61,6 +61,10 @@ test_expect_success "Can't pass filenames as arguments with --stdin-paths" ' echo example | test_must_fail git hash-object --stdin-paths hello ' +test_expect_success "Can't use --path with --stdin-paths" ' + echo example | test_must_fail git hash-object --stdin-paths --path=foo +' + # Behavior push_repo @@ -93,6 +97,26 @@ test_expect_success 'git hash-object --stdin file1 <file0 first operates on file test "$obname1" = "$obname1new" ' +test_expect_success 'check that appropriate filter is invoke when --path is used' ' + echo fooQ | tr Q "\\015" >file0 && + cp file0 file1 && + echo "file0 -crlf" >.gitattributes && + echo "file1 crlf" >>.gitattributes && + git config core.autocrlf true && + file0_sha=$(git hash-object file0) && + file1_sha=$(git hash-object file1) && + test "$file0_sha" != "$file1_sha" && + path1_sha=$(git hash-object --path=file1 file0) && + path0_sha=$(git hash-object --path=file0 file1) && + test "$file0_sha" = "$path0_sha" && + test "$file1_sha" = "$path1_sha" && + path1_sha=$(cat file0 | git hash-object --path=file1 --stdin) && + path0_sha=$(cat file1 | git hash-object --path=file0 --stdin) && + test "$file0_sha" = "$path0_sha" && + test "$file1_sha" = "$path1_sha" && + git config --unset core.autocrlf +' + pop_repo for args in "-w --stdin" "--stdin -w"; do |