xref: /freebsd/usr.bin/xinstall/install.1 (revision a90b9d0159070121c221b966469c3e36d912bf82)
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28.Dd April 16, 2024
29.Dt INSTALL 1
30.Os
31.Sh NAME
32.Nm install
33.Nd install binaries
34.Sh SYNOPSIS
35.Nm
36.Op Fl bCcpSsUv
37.Op Fl B Ar suffix
38.Op Fl D Ar destdir
39.Op Fl f Ar flags
40.Op Fl g Ar group
41.Op Fl h Ar hash
42.Op Fl l Ar linkflags
43.Op Fl M Ar metalog
44.Op Fl m Ar mode
45.Op Fl N Ar dbdir
46.Op Fl o Ar owner
47.Op Fl T Ar tags
48.Ar file1 file2
49.Nm
50.Op Fl bCcpSsUv
51.Op Fl B Ar suffix
52.Op Fl D Ar destdir
53.Op Fl f Ar flags
54.Op Fl g Ar group
55.Op Fl h Ar hash
56.Op Fl l Ar linkflags
57.Op Fl M Ar metalog
58.Op Fl m Ar mode
59.Op Fl N Ar dbdir
60.Op Fl o Ar owner
61.Op Fl T Ar tags
62.Ar file1 ... fileN directory
63.Nm
64.Fl d
65.Op Fl Uv
66.Op Fl D Ar destdir
67.Op Fl g Ar group
68.Op Fl h Ar hash
69.Op Fl M Ar metalog
70.Op Fl m Ar mode
71.Op Fl N Ar dbdir
72.Op Fl o Ar owner
73.Op Fl T Ar tags
74.Ar directory ...
75.Sh DESCRIPTION
76The file(s) are copied
77(or linked if the
78.Fl l
79option is specified) to the target file or directory.
80If the destination is a directory, then the
81.Ar file
82is copied into
83.Ar directory
84with its original filename.
85If the target file already exists, it is
86either renamed to
87.Ar file Ns Pa .old
88if the
89.Fl b
90option is given
91or overwritten
92if permissions allow.
93An alternate backup suffix may be specified via the
94.Fl B
95option's argument.
96.Pp
97The options are as follows:
98.Bl -tag -width indent
99.It Fl B Ar suffix
100Use
101.Ar suffix
102as the backup suffix if
103.Fl b
104is given.
105.It Fl b
106Back up any existing files before overwriting them by renaming
107them to
108.Ar file Ns Pa .old .
109See
110.Fl B
111for specifying a different backup suffix.
112.It Fl C
113Copy the file.
114If the target file already exists and the files are the same,
115then do not change the modification time of the target.
116If the target's file flags and mode need not to be changed,
117the target's inode change time is also unchanged.
118.It Fl c
119Copy the file.
120This is actually the default.
121The
122.Fl c
123option is only included for backwards compatibility.
124.It Fl D Ar destdir
125Specify the
126.Ev DESTDIR
127(top of the file hierarchy) that the items are installed in to.
128If
129.Fl M Ar metalog
130is in use, a leading string of
131.Dq Ar destdir
132will be removed from the file names logged to the
133.Ar metalog .
134This option does not affect where the actual files are installed.
135.It Fl d
136Create directories.
137Missing parent directories are created as required.
138.It Fl f Ar flags
139Specify the target's file flags; see
140.Xr chflags 1
141for a list of possible flags and their meanings.
142.It Fl g Ar group
143Specify a group.
144A numeric GID is allowed.
145.It Fl h Ar hash
146When copying, calculate the digest of the files with
147.Ar hash
148to store in the
149.Fl M Ar metalog .
150When
151.Fl d
152is given no hash is emitted.
153Supported digests:
154.Bl -tag -width rmd160 -offset indent
155.It Sy none
156No hash.
157This is the default.
158.It Sy md5
159The MD5 cryptographic message digest.
160.It Sy rmd160
161The RMD-160 cryptographic message digest.
162.It Sy sha1
163The SHA-1 cryptographic message digest.
164.It Sy sha256
165The 256-bits SHA-2 cryptographic message digest of the file.
166.It Sy sha512
167The 512-bits SHA-2 cryptographic message digest of the file.
168.El
169.It Fl l Ar linkflags
170Instead of copying the file make a link to the source.
171The type of the link is determined by the
172.Ar linkflags
173argument.
174Valid
175.Ar linkflags
176are:
177.Ar a
178(absolute),
179.Ar r
180(relative),
181.Ar h
182(hard),
183.Ar s
184(symbolic),
185.Ar m
186(mixed).
187Absolute and relative have effect only for symbolic links.
188Mixed links
189are hard links for files on the same filesystem, symbolic otherwise.
190.It Fl M Ar metalog
191Write the metadata associated with each item installed to
192.Ar metalog
193in an
194.Xr mtree 8
195.Dq full path
196specification line.
197The metadata includes: the file name and file type, and depending upon
198other options, the owner, group, file flags, modification time, and tags.
199.It Fl m Ar mode
200Specify an alternate mode.
201The default mode is set to rwxr-xr-x (0755).
202The specified mode may be either an octal or symbolic value; see
203.Xr chmod 1
204for a description of possible mode values.
205.It Fl N Ar dbdir
206Use the user database text file
207.Pa master.passwd
208and group database text file
209.Pa group
210from
211.Ar dbdir ,
212rather than using the results from the system's
213.Xr getpwnam 3
214and
215.Xr getgrnam 3
216(and related) library calls.
217.It Fl o Ar owner
218Specify an owner.
219A numeric UID is allowed.
220.It Fl p
221Preserve the access and modification times.
222Copy the file, as if the
223.Fl C
224(compare and copy) option is specified,
225except if the target file does not already exist or is different,
226then preserve the access and modification times of the source file.
227.It Fl S
228Flush each file to disk after copying.
229This has a non-negligible impact on performance, but reduces the risk
230of being left with a partial file if the system crashes or loses power
231shortly after
232.Nm
233runs.
234.Pp
235Historically,
236.Fl S
237also enabled the use of temporary files to ensure atomicity when
238replacing an existing target.
239Temporary files are no longer optional.
240.It Fl s
241.Nm
242exec's the command
243.Xr strip 1
244to strip binaries so that
245.Nm
246can be portable over a large
247number of systems and binary types.
248See below for how
249.Nm
250can be instructed to use another program to strip binaries.
251.It Fl T Ar tags
252Specify the
253.Xr mtree 8
254tags to write out for the file when using
255.Fl M Ar metalog .
256.It Fl U
257Indicate that install is running unprivileged, and that it should not
258try to change the owner, the group, or the file flags of the destination.
259The information that would have been updated can be stored in a log
260file with
261.Fl M Ar metalog .
262.It Fl v
263Cause
264.Nm
265to be verbose,
266showing files as they are installed or backed up.
267.El
268.Pp
269By default,
270.Nm
271preserves all file flags, with the exception of the
272.Dq nodump
273flag.
274.Pp
275The
276.Nm
277utility attempts to prevent moving a file onto itself.
278.Pp
279Installing
280.Pa /dev/null
281creates an empty file.
282.Sh ENVIRONMENT
283The
284.Nm
285utility checks for the presence of the
286.Ev STRIPBIN
287environment variable and if present,
288uses the assigned value as the program to run if and when the
289.Fl s
290option has been specified.
291.Pp
292If the
293.Ev DONTSTRIP
294environment variable is present,
295.Nm
296will ignore any specification of the
297.Fl s
298option.
299This is mainly for use in debugging the
300.Fx
301Ports Collection.
302.Sh FILES
303.Bl -tag -width "INS@XXXXXX" -compact
304.It Pa INS@XXXXXX
305Temporary files named
306.Pa INS@XXXXXX ,
307where
308.Pa XXXXXX
309is decided by
310.Xr mkstemp 3 ,
311are created in the target directory.
312.El
313.Sh EXIT STATUS
314.Ex -std
315.Sh COMPATIBILITY
316Historically
317.Nm
318moved files by default.
319The default was changed to copy in
320.Fx 4.4 .
321.Sh SEE ALSO
322.Xr chflags 1 ,
323.Xr chgrp 1 ,
324.Xr chmod 1 ,
325.Xr cp 1 ,
326.Xr mv 1 ,
327.Xr strip 1 ,
328.Xr getgrnam 3 ,
329.Xr getpwnam 3 ,
330.Xr chown 8
331.Sh HISTORY
332The
333.Nm
334utility appeared in
335.Bx 4.2 .
336.Sh BUGS
337The meaning of the
338.Fl M
339option has changed as of
340.Fx 9.2
341and it now takes an argument.
342Command lines that used the old
343.Fl M
344will get an error or in rare cases will append logs to the first of
345multiple source files rather than installing it.
346.Pp
347Temporary files may be left in the target directory if
348.Nm
349exits abnormally.
350.Pp
351File flags cannot be set by
352.Xr fchflags 2
353over a NFS file system.
354Other file systems do not have a concept of flags.
355The
356.Nm
357utility will only warn when flags could not be set on a file system
358that does not support them.
359.Pp
360The
361.Nm
362utility with
363.Fl v
364falsely says a file is copied when
365.Fl C
366snaps hard links.
367