1 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
2    file Copyright.txt or https://cmake.org/licensing for details.  */
3 #include "cmInstallProgramsCommand.h"
4 
5 #include <cm/memory>
6 
7 #include "cmExecutionStatus.h"
8 #include "cmGeneratorExpression.h"
9 #include "cmGlobalGenerator.h"
10 #include "cmInstallFilesGenerator.h"
11 #include "cmInstallGenerator.h"
12 #include "cmLocalGenerator.h"
13 #include "cmMakefile.h"
14 #include "cmStringAlgorithms.h"
15 #include "cmSystemTools.h"
16 
17 class cmListFileBacktrace;
18 
19 static void FinalAction(cmMakefile& makefile, std::string const& dest,
20                         std::vector<std::string> const& args);
21 static std::string FindInstallSource(cmMakefile& makefile, const char* name);
22 
cmInstallProgramsCommand(std::vector<std::string> const & args,cmExecutionStatus & status)23 bool cmInstallProgramsCommand(std::vector<std::string> const& args,
24                               cmExecutionStatus& status)
25 {
26   if (args.size() < 2) {
27     status.SetError("called with incorrect number of arguments");
28     return false;
29   }
30 
31   cmMakefile& mf = status.GetMakefile();
32 
33   // Enable the install target.
34   mf.GetGlobalGenerator()->EnableInstallTarget();
35 
36   mf.GetGlobalGenerator()->AddInstallComponent(
37     mf.GetSafeDefinition("CMAKE_INSTALL_DEFAULT_COMPONENT_NAME"));
38 
39   std::string const& dest = args[0];
40   std::vector<std::string> const finalArgs(args.begin() + 1, args.end());
41   mf.AddGeneratorAction(
42     [dest, finalArgs](cmLocalGenerator& lg, const cmListFileBacktrace&) {
43       FinalAction(*lg.GetMakefile(), dest, finalArgs);
44     });
45   return true;
46 }
47 
FinalAction(cmMakefile & makefile,std::string const & dest,std::vector<std::string> const & args)48 static void FinalAction(cmMakefile& makefile, std::string const& dest,
49                         std::vector<std::string> const& args)
50 {
51   bool files_mode = false;
52   if (!args.empty() && args[0] == "FILES") {
53     files_mode = true;
54   }
55 
56   std::vector<std::string> files;
57 
58   // two different options
59   if (args.size() > 1 || files_mode) {
60     // for each argument, get the programs
61     auto s = args.begin();
62     if (files_mode) {
63       // Skip the FILES argument in files mode.
64       ++s;
65     }
66     for (; s != args.end(); ++s) {
67       // add to the result
68       files.push_back(FindInstallSource(makefile, s->c_str()));
69     }
70   } else // reg exp list
71   {
72     std::vector<std::string> programs;
73     cmSystemTools::Glob(makefile.GetCurrentSourceDirectory(), args[0],
74                         programs);
75 
76     auto s = programs.begin();
77     // for each argument, get the programs
78     for (; s != programs.end(); ++s) {
79       files.push_back(FindInstallSource(makefile, s->c_str()));
80     }
81   }
82 
83   // Construct the destination.  This command always installs under
84   // the prefix.  We skip the leading slash given by the user.
85   std::string destination = dest.substr(1);
86   cmSystemTools::ConvertToUnixSlashes(destination);
87   if (destination.empty()) {
88     destination = ".";
89   }
90 
91   // Use a file install generator.
92   const std::string no_permissions;
93   const std::string no_rename;
94   bool no_exclude_from_all = false;
95   std::string no_component =
96     makefile.GetSafeDefinition("CMAKE_INSTALL_DEFAULT_COMPONENT_NAME");
97   std::vector<std::string> no_configurations;
98   cmInstallGenerator::MessageLevel message =
99     cmInstallGenerator::SelectMessageLevel(&makefile);
100   makefile.AddInstallGenerator(cm::make_unique<cmInstallFilesGenerator>(
101     files, destination, true, no_permissions, no_configurations, no_component,
102     message, no_exclude_from_all, no_rename, false, makefile.GetBacktrace()));
103 }
104 
105 /**
106  * Find a file in the build or source tree for installation given a
107  * relative path from the CMakeLists.txt file.  This will favor files
108  * present in the build tree.  If a full path is given, it is just
109  * returned.
110  */
FindInstallSource(cmMakefile & makefile,const char * name)111 static std::string FindInstallSource(cmMakefile& makefile, const char* name)
112 {
113   if (cmSystemTools::FileIsFullPath(name) ||
114       cmGeneratorExpression::Find(name) == 0) {
115     // This is a full path.
116     return name;
117   }
118 
119   // This is a relative path.
120   std::string tb = cmStrCat(makefile.GetCurrentBinaryDirectory(), '/', name);
121   std::string ts = cmStrCat(makefile.GetCurrentSourceDirectory(), '/', name);
122 
123   if (cmSystemTools::FileExists(tb)) {
124     // The file exists in the binary tree.  Use it.
125     return tb;
126   }
127   if (cmSystemTools::FileExists(ts)) {
128     // The file exists in the source tree.  Use it.
129     return ts;
130   }
131   // The file doesn't exist.  Assume it will be present in the
132   // binary tree when the install occurs.
133   return tb;
134 }
135