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c538d2d3 LT |
1 | |
2 | Git installation | |
3 | ||
4 | Normally you can just do "make" followed by "make install", and that | |
5 | will install the git programs in your own ~/bin/ directory. If you want | |
6 | to do a global install, you can do | |
7 | ||
eff351c9 BF |
8 | $ make prefix=/usr all doc ;# as yourself |
9 | # make prefix=/usr install install-doc ;# as root | |
c538d2d3 | 10 | |
c44922a7 JH |
11 | (or prefix=/usr/local, of course). Just like any program suite |
12 | that uses $prefix, the built results have some paths encoded, | |
13 | which are derived from $prefix, so "make all; make prefix=/usr | |
14 | install" would not work. | |
c538d2d3 LT |
15 | |
16 | Issues of note: | |
17 | ||
18 | - git normally installs a helper script wrapper called "git", which | |
19 | conflicts with a similarly named "GNU interactive tools" program. | |
20 | ||
21 | Tough. Either don't use the wrapper script, or delete the old GNU | |
22 | interactive tools. None of the core git stuff needs the wrapper, | |
23 | it's just a convenient shorthand and while it is documented in some | |
215a7ad1 | 24 | places, you can always replace "git commit" with "git-commit" |
c538d2d3 LT |
25 | instead. |
26 | ||
27 | But let's face it, most of us don't have GNU interactive tools, and | |
28 | even if we had it, we wouldn't know what it does. I don't think it | |
29 | has been actively developed since 1997, and people have moved over to | |
30 | graphical file managers. | |
31 | ||
3c767a08 JH |
32 | - You can use git after building but without installing if you |
33 | wanted to. Various git commands need to find other git | |
34 | commands and scripts to do their work, so you would need to | |
35 | arrange a few environment variables to tell them that their | |
36 | friends will be found in your built source area instead of at | |
37 | their standard installation area. Something like this works | |
38 | for me: | |
39 | ||
40 | GIT_EXEC_PATH=`pwd` | |
41 | PATH=`pwd`:$PATH | |
42 | PERL5LIB=`pwd`/perl/blib/lib:`pwd`/perl/blib/arch/auto/Git | |
43 | export GIT_EXEC_PATH PATH PERL5LIB | |
44 | ||
c538d2d3 LT |
45 | - Git is reasonably self-sufficient, but does depend on a few external |
46 | programs and libraries: | |
47 | ||
48 | - "zlib", the compression library. Git won't build without it. | |
49 | ||
50 | - "openssl". The git-rev-list program uses bignum support from | |
51 | openssl, and unless you specify otherwise, you'll also get the | |
52 | SHA1 library from here. | |
53 | ||
54 | If you don't have openssl, you can use one of the SHA1 libraries | |
55 | that come with git (git includes the one from Mozilla, and has | |
765ac8ec | 56 | its own PowerPC and ARM optimized ones too - see the Makefile). |
c538d2d3 | 57 | |
215a7ad1 JH |
58 | - "libcurl" and "curl" executable. git-http-fetch and |
59 | git-fetch use them. If you do not use http | |
99cff830 JH |
60 | transfer, you are probabaly OK if you do not have |
61 | them. | |
c538d2d3 | 62 | |
3402f1d6 JH |
63 | - expat library; git-http-push uses it for remote lock |
64 | management over DAV. Similar to "curl" above, this is optional. | |
65 | ||
1c107dc4 | 66 | - "GNU diff" to generate patches. Of course, you don't _have_ to |
c538d2d3 LT |
67 | generate patches if you don't want to, but let's face it, you'll |
68 | be wanting to. Or why did you get git in the first place? | |
69 | ||
1c107dc4 | 70 | Non-GNU versions of the diff/patch programs don't generally support |
c538d2d3 LT |
71 | the unified patch format (which is the one git uses), so you |
72 | really do want to get the GNU one. Trust me, you will want to | |
73 | do that even if it wasn't for git. There's no point in living | |
74 | in the dark ages any more. | |
75 | ||
76 | - "merge", the standard UNIX three-way merge program. It usually | |
77 | comes with the "rcs" package on most Linux distributions, so if | |
78 | you have a developer install you probably have it already, but a | |
79 | "graphical user desktop" install might have left it out. | |
80 | ||
81 | You'll only need the merge program if you do development using | |
82 | git, and if you only use git to track other peoples work you'll | |
83 | never notice the lack of it. | |
663a5ed5 HB |
84 | |
85 | - "wish", the TCL/Tk windowing shell is used in gitk to show the | |
86 | history graphically | |
87 | ||
88 | - "ssh" is used to push and pull over the net | |
3cab3594 JH |
89 | |
90 | - "perl" and POSIX-compliant shells are needed to use most of | |
91 | the barebone Porcelainish scripts. | |
92 | ||
93 | - "python" 2.3 or more recent; if you have 2.3, you may need | |
94 | to build with "make WITH_OWN_SUBPROCESS_PY=YesPlease". | |
95 | ||
96 | - Some platform specific issues are dealt with Makefile rules, | |
97 | but depending on your specific installation, you may not | |
98 | have all the libraries/tools needed, or you may have | |
99 | necessary libraries at unusual locations. Please look at the | |
100 | top of the Makefile to see what can be adjusted for your needs. | |
cd8c4589 JR |
101 | You can place local settings in config.mak and the Makefile |
102 | will include them. Note that config.mak is not distributed; | |
103 | the name is reserved for local settings. | |
eff351c9 BF |
104 | |
105 | - To build and install documentation suite, you need to have the | |
106 | asciidoc/xmlto toolchain. Alternatively, pre-formatted | |
107 | documentation are available in "html" and "man" branches of the git | |
108 | repository itself. For example, you could: | |
109 | ||
110 | $ mkdir manual && cd manual | |
111 | $ git init-db | |
efc7fa53 | 112 | $ git fetch-pack git://git.kernel.org/pub/scm/git/git.git man html | |
eff351c9 BF |
113 | while read a b |
114 | do | |
115 | echo $a >.git/$b | |
116 | done | |
117 | $ cp .git/refs/heads/man .git/refs/heads/master | |
118 | $ git checkout | |
119 | ||
120 | to checkout the pre-built man pages. Also in this repository: | |
121 | ||
122 | $ git checkout html | |
123 | ||
124 | would instead give you a copy of what you see at: | |
125 | ||
126 | http://www.kernel.org/pub/software/scm/git/docs/ | |
127 |