On 10/2/2015 8:41 AM, Stephen Bash wrote:
----- Original Message -----
From: "Spencer Graves" <spencer.graves@xxxxxxxxxxxx>
Sent: Friday, October 2, 2015 2:50:30 AM
Subject: can't install on OS X
I downloaded "git-2.5.3-intel-universal-mavericks.dmg" per
instructions. When I tried to install it, I first had trouble because
it wasn't from the Mac App Store nor an "identified developer".
You can also right click on the installer and select "Open" for a very similar dialog, but one that gives you the opportunity to run the installer anyway.
"README.txt" says I need "sudo mv /usr/bin/git /usr/bin/git-system". I
tried that and got, "mv: rename /usr/bin/git to /usr/bin/git-system:
Operation not permitted" (after entering my password). [My directory
now includes "/usr/local/git", and "/usr/bin" includes git,
git-cvsserver, git-receive-pack, git-shell, git-upload-archive, and
git-upload-pack.]
Suggestions?
Sounds like you're running afoul of El Capitan's new System Integrity Protection (SIP) [1]. The git commands you're seeing there are probably Apple's thin wrappers that are mostly meant to provide instructions on installing XCode, but SIP is stopping you from modifying the /usr directory (ah, Apple's Infinite Wisdom). There are discussions about working around SIP in the Apple forums [2] and Homebrew has some hints as well [3].
[1] https://developer.apple.com/library/prerelease/mac/releasenotes/MacOSX/WhatsNewInOSX/Articles/MacOSX10_11.html
[2] https://forums.developer.apple.com/thread/3981
[3] https://github.com/Homebrew/homebrew/blob/master/share/doc/homebrew/El_Capitan_and_Homebrew.md#if-usrlocal-does-not-exist
Thanks. That helped. I will summarize here what seemed to work for me
(skipping the wailing, gnashing of teeth, Apple tech support, etc.):
[step 1] download and install "git-2.5.3-intel-universal-mavericks.dmg"
as normal, ending with "Install successful". Confirm that git is still
not properly installed. Shut down or restart.
[step 2] Boot into the Recovery partition by holding down <cmd>+R while
power on and boot.
[step 3] Utilities > Terminal
[step 4] $ scrutil disable
[step 5] Restart normally > Terminal > sudo mv /usr/git /usr/bin/git-system
[step 6] Shut down and reboot into the Recovery partition as above.
[step 7] Utilities > Terminal
[step 8] $ scrutil enable
[step 9] Restart normally ...
*** Git now seems to be installed. I'm still having trouble getting it
to work properly with a private GitHub repository. However, RStudio
recognizes git, and I've confirmed that /usr/bin includes a subdirectory
git-system and NOT simply git. My problems now seem to be GitHub and
RStudio issues. Thanks again for your help. I hope this summary might
help others. Spencer Graves
HTH,
Stephen
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