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Jeff King 0e94ee9415 hash-object: always try to set up the git repository 
When "hash-object" is run without "-w", we don't need to be
in a git repository at all; we can just hash the object and
write its sha1 to stdout. However, if we _are_ in a git
repository, we would want to know that so we can follow the
normal rules for respecting config, .gitattributes, etc.

This happens to work at the top-level of a git repository
because we blindly read ".git/config", but as the included
test shows, it does not work when you are in a subdirectory.

The solution is to just do a "gentle" setup in this case. We
already take care to use prefix_filename() on any filename
arguments we get (to handle the "-w" case), so we don't need
to do anything extra to handle the side effects of repo
setup.

An alternative would be to specify RUN_SETUP_GENTLY for this
command in git.c, and then die if "-w" is set but we are not
in a repository. However, the error messages generated at
the time of setup_git_directory() are more detailed, so it's
better to find out which mode we are in, and then call the
appropriate function.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-13 15:45:45 -07:00
..
add.c Merge branch 'jc/add-u-A-default-to-top' into maint 2015-11-05 12:18:12 -08:00
am.c Merge branch 'jc/am-i-v-fix' into maint 2016-03-10 11:13:41 -08:00
annotate.c
apply.c builtin/apply: free patch when parse_chunk() fails 2016-04-01 10:21:55 -07:00
archive.c
bisect--helper.c
blame.c Merge branch 'tb/blame-force-read-cache-to-workaround-safe-crlf' into maint 2016-04-29 14:15:58 -07:00
branch.c Merge branch 'va/i18n-misc-updates' into maint 2016-05-26 13:17:20 -07:00
bundle.c
cat-file.c cat-file: read batch stream with strbuf_getline() 2016-01-15 10:35:06 -08:00
check-attr.c give "nbuf" strbuf a more meaningful name 2016-02-01 13:43:02 -08:00
check-ignore.c give "nbuf" strbuf a more meaningful name 2016-02-01 13:43:02 -08:00
check-mailmap.c strbuf: introduce strbuf_getline_{lf,nul}() 2016-01-15 10:12:51 -08:00
check-ref-format.c use xmallocz to avoid size arithmetic 2016-02-22 14:51:09 -08:00
checkout-index.c checkout-index: disallow "--no-stage" option 2016-02-01 13:43:49 -08:00
checkout.c Merge branch 'nd/dwim-wildcards-as-pathspecs' into maint 2016-03-10 11:13:39 -08:00
clean.c Merge branch 'jk/tighten-alloc' 2016-02-26 13:37:16 -08:00
clone.c builtin/clone.c: mark strings for translation 2016-02-29 14:27:58 -08:00
column.c column: read lines with strbuf_getline() 2016-01-15 10:35:07 -08:00
commit-tree.c Convert struct object to object_id 2015-11-20 08:02:05 -05:00
commit.c Merge branch 'ad/commit-have-m-option' into maint 2016-05-02 14:24:09 -07:00
config.c Merge branch 'jk/config-get-urlmatch' into maint 2016-04-14 18:57:43 -07:00
count-objects.c prepare_packed_git(): refactor garbage reporting in pack directory 2015-08-17 09:14:59 -07:00
credential.c
describe.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
diff-files.c diff: run arguments through precompose_argv 2016-05-13 14:35:49 -07:00
diff-index.c diff: run arguments through precompose_argv 2016-05-13 14:35:49 -07:00
diff-tree.c Merge branch 'ar/diff-args-osx-precompose' into maint 2016-06-06 14:27:35 -07:00
diff.c Merge branch 'ar/diff-args-osx-precompose' into maint 2016-06-06 14:27:35 -07:00
fast-export.c convert trivial cases to ALLOC_ARRAY 2016-02-22 14:51:09 -08:00
fetch-pack.c fetch-pack: fix object_id of exact sha1 2016-03-01 11:19:19 -08:00
fetch.c Merge branch 'jk/tighten-alloc' 2016-02-26 13:37:16 -08:00
fmt-merge-msg.c Merge branch 'rs/pop-commit' into maint 2015-12-11 11:14:13 -08:00
for-each-ref.c ref-filter: add option to match literal pattern 2015-09-17 10:02:49 -07:00
fsck.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
gc.c Merge branch 'dk/gc-idx-wo-pack' into maint 2015-12-04 11:33:08 -08:00
get-tar-commit-id.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
grep.c Merge branch 'jk/tighten-alloc' into maint 2016-03-10 11:13:43 -08:00
hash-object.c hash-object: always try to set up the git repository 2016-09-13 15:45:45 -07:00
help.c convert trivial cases to FLEX_ARRAY macros 2016-02-22 14:51:09 -08:00
index-pack.c Merge branch 'va/i18n-misc-updates' into maint 2016-05-26 13:17:20 -07:00
init-db.c Merge branch 'jk/check-repository-format' into maint 2016-05-02 14:24:04 -07:00
interpret-trailers.c interpret-trailers: add option for in-place editing 2016-01-14 12:22:17 -08:00
log.c format-patch: introduce format.outputDirectory configuration 2016-01-13 10:55:01 -08:00
ls-files.c Merge branch 'jk/options-cleanup' 2016-02-10 14:20:08 -08:00
ls-remote.c ls-remote: add support for showing symrefs 2016-01-19 10:07:56 -08:00
ls-tree.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
mailinfo.c mailinfo: libify 2015-10-21 15:59:34 -07:00
mailsplit.c mailsplit: make PATH_MAX buffers dynamic 2015-09-25 10:18:18 -07:00
merge-base.c convert trivial cases to ALLOC_ARRAY 2016-02-22 14:51:09 -08:00
merge-file.c Merge branch 'jk/merge-file-exit-code' into maint 2015-11-03 15:32:41 -08:00
merge-index.c use sha1_to_hex_r() instead of strcpy 2015-10-05 11:08:05 -07:00
merge-ours.c
merge-recursive.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
merge-tree.c use xmallocz to avoid size arithmetic 2016-02-22 14:51:09 -08:00
merge.c merge: fix NULL pointer dereference when merging nothing into void 2016-03-23 10:12:10 -07:00
mktag.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
mktree.c Merge branch 'jk/tighten-alloc' 2016-02-26 13:37:16 -08:00
mv.c Merge branch 'sb/mv-submodule-fix' into HEAD 2016-05-18 14:40:05 -07:00
name-rev.c Merge branch 'js/name-rev-use-oldest-ref' into maint 2016-05-31 14:08:26 -07:00
notes.c Merge branch 'sb/misc-cleanups' into HEAD 2016-05-18 14:40:15 -07:00
pack-objects.c pack-objects: warn on split packs disabling bitmaps 2016-04-28 09:58:14 -07:00
pack-redundant.c convert trivial cases to ALLOC_ARRAY 2016-02-22 14:51:09 -08:00
pack-refs.c
patch-id.c usage: do not insist that standard input must come from a file 2015-10-16 15:27:52 -07:00
prune-packed.c
prune.c Merge branch 'jk/repository-extension' into maint 2015-11-03 15:32:25 -08:00
pull.c i18n: builtin/pull.c: split strings marked for translation 2016-04-19 12:07:49 -07:00
push.c Merge branch 'mm/push-default-warning' 2016-02-26 13:37:25 -08:00
read-tree.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
receive-pack.c use st_add and st_mult for allocation size computation 2016-02-22 14:51:09 -08:00
reflog.c convert trivial cases to FLEX_ARRAY macros 2016-02-22 14:51:09 -08:00
remote-ext.c typofix: assorted typofixes in comments, documentation and messages 2016-05-06 13:16:37 -07:00
remote-fd.c
remote.c i18n: remote: add comment for translators 2016-05-09 12:20:40 -07:00
repack.c strbuf: introduce strbuf_getline_{lf,nul}() 2016-01-15 10:12:51 -08:00
replace.c Merge branch 'js/replace-edit-use-editor-configuration' into maint 2016-05-06 14:53:24 -07:00
rerere.c Sync with 2.6.1 2015-10-05 13:20:08 -07:00
reset.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
rev-list.c Merge branch 'maint-2.4' into maint-2.5 2016-03-17 11:24:14 -07:00
rev-parse.c Merge branch 'jk/rev-parse-local-env-vars' into maint 2016-04-14 18:57:44 -07:00
revert.c
rm.c i18n: builtin/rm.c: remove a comma ',' from string 2016-04-12 10:48:28 -07:00
send-pack.c Merge branch 'sk/send-pack-all-fix' into maint 2016-04-29 14:15:57 -07:00
shortlog.c Merge branch 'jk/shortlog' 2016-01-28 16:10:14 -08:00
show-branch.c Merge branch 'rs/show-branch-argv-array' into maint 2015-12-11 11:14:14 -08:00
show-ref.c show-ref: stop using PARSE_OPT_NO_INTERNAL_HELP 2015-11-20 08:02:07 -05:00
stripspace.c stripspace: call U+0020 a "space" instead of a "blank" 2016-01-29 16:02:34 -08:00
submodule--helper.c Merge branch 'sb/submodule-helper-clone-regression-fix' into maint 2016-05-02 14:24:08 -07:00
symbolic-ref.c symbolic-ref: propagate error code from create_symref() 2015-12-21 12:03:03 -08:00
tag.c tag: do not show ambiguous tag names as "tags/foo" 2016-01-26 13:34:10 -08:00
unpack-file.c convert trivial sprintf / strcpy calls to xsnprintf 2015-09-25 10:18:18 -07:00
unpack-objects.c Remove get_object_hash. 2015-11-20 08:02:05 -05:00
update-index.c Merge branch 'jk/options-cleanup' 2016-02-10 14:20:08 -08:00
update-ref.c tag, update-ref: improve description of option "create-reflog" 2015-09-11 09:50:02 -07:00
update-server-info.c
upload-archive.c upload-archive: convert sprintf to strbuf 2015-09-25 10:18:18 -07:00
var.c
verify-commit.c
verify-pack.c
verify-tag.c
worktree.c Merge branch 'jk/tighten-alloc' 2016-02-26 13:37:16 -08:00
write-tree.c