git/t/t0056-git-C.sh
Nazri Ramliy 44e1e4d67d git: run in a directory given with -C option
This is similar in spirit to "make -C dir ..." and "tar -C dir ...".

It takes more keypresses to invoke git command in a different
directory without leaving the current directory:

    1. (cd ~/foo && git status)
       git --git-dir=~/foo/.git --work-dir=~/foo status
       GIT_DIR=~/foo/.git GIT_WORK_TREE=~/foo git status
    2. (cd ../..; git grep foo)
    3. for d in d1 d2 d3; do (cd $d && git svn rebase); done

The methods shown above are acceptable for scripting but are too
cumbersome for quick command line invocations.

With this new option, the above can be done with fewer keystrokes:

    1. git -C ~/foo status
    2. git -C ../.. grep foo
    3. for d in d1 d2 d3; do git -C $d svn rebase; done

A new test script is added to verify the behavior of this option with
other path-related options like --git-dir and --work-tree.

Signed-off-by: Nazri Ramliy <ayiehere@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-09-09 09:33:17 -07:00

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#!/bin/sh
test_description='"-C <path>" option and its effects on other path-related options'
. ./test-lib.sh
test_expect_success '"git -C <path>" runs git from the directory <path>' '
test_create_repo dir1 &&
echo 1 >dir1/a.txt &&
(cd dir1 && git add a.txt && git commit -m "initial in dir1") &&
echo "initial in dir1" >expected &&
git -C dir1 log --format=%s >actual &&
test_cmp expected actual
'
test_expect_success 'Multiple -C options: "-C dir1 -C dir2" is equivalent to "-C dir1/dir2"' '
test_create_repo dir1/dir2 &&
echo 1 >dir1/dir2/a.txt &&
git -C dir1/dir2 add a.txt &&
echo "initial in dir1/dir2" >expected &&
git -C dir1/dir2 commit -m "initial in dir1/dir2" &&
git -C dir1 -C dir2 log --format=%s >actual &&
test_cmp expected actual
'
test_expect_success 'Effect on --git-dir option: "-C c --git-dir=a.git" is equivalent to "--git-dir c/a.git"' '
mkdir c &&
mkdir c/a &&
mkdir c/a.git &&
(cd c/a.git && git init --bare) &&
echo 1 >c/a/a.txt &&
git --git-dir c/a.git --work-tree=c/a add a.txt &&
git --git-dir c/a.git --work-tree=c/a commit -m "initial" &&
git --git-dir=c/a.git log -1 --format=%s >expected &&
git -C c --git-dir=a.git log -1 --format=%s >actual &&
test_cmp expected actual
'
test_expect_success 'Order should not matter: "--git-dir=a.git -C c" is equivalent to "-C c --git-dir=a.git"' '
git -C c --git-dir=a.git log -1 --format=%s >expected &&
git --git-dir=a.git -C c log -1 --format=%s >actual &&
test_cmp expected actual
'
test_expect_success 'Effect on --work-tree option: "-C c/a.git --work-tree=../a" is equivalent to "--work-tree=c/a --git-dir=c/a.git"' '
rm c/a/a.txt &&
git --git-dir=c/a.git --work-tree=c/a status >expected &&
git -C c/a.git --work-tree=../a status >actual &&
test_cmp expected actual
'
test_expect_success 'Order should not matter: "--work-tree=../a -C c/a.git" is equivalent to "-C c/a.git --work-tree=../a"' '
git -C c/a.git --work-tree=../a status >expected &&
git --work-tree=../a -C c/a.git status >actual &&
test_cmp expected actual
'
test_expect_success 'Effect on --git-dir and --work-tree options - "-C c --git-dir=a.git --work-tree=a" is equivalent to "--git-dir=c/a.git --work-tree=c/a"' '
git --git-dir=c/a.git --work-tree=c/a status >expected &&
git -C c --git-dir=a.git --work-tree=a status >actual &&
test_cmp expected actual
'
test_expect_success 'Order should not matter: "-C c --git-dir=a.git --work-tree=a" is equivalent to "--git-dir=a.git -C c --work-tree=a"' '
git -C c --git-dir=a.git --work-tree=a status >expected &&
git --git-dir=a.git -C c --work-tree=a status >actual &&
test_cmp expected actual
'
test_expect_success 'Order should not matter: "-C c --git-dir=a.git --work-tree=a" is equivalent to "--git-dir=a.git --work-tree=a -C c"' '
git -C c --git-dir=a.git --work-tree=a status >expected &&
git --git-dir=a.git --work-tree=a -C c status >actual &&
test_cmp expected actual
'
test_expect_success 'Relative followed by fullpath: "-C ./here -C /there" is equivalent to "-C /there"' '
echo "initial in dir1/dir2" >expected &&
git -C dir1 -C "$(pwd)/dir1/dir2" log --format=%s >actual &&
test_cmp expected actual
'
test_done