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112/376: Add option ‘build-extra-chroot-dirs’


From: Ludovic Courts
Subject: 112/376: Add option ‘build-extra-chroot-dirs’
Date: Wed, 28 Jan 2015 22:04:24 +0000

civodul pushed a commit to tag 1.8
in repository guix.

commit d5a076c36f6588366fd9766c1054807bbbfd8559
Author: Eelco Dolstra <address@hidden>
Date:   Mon Aug 4 18:00:00 2014 +0200

    Add option ‘build-extra-chroot-dirs’
    
    This is useful for extending (rather than overriding) the default set
    of chroot paths.
---
 release.nix             |    2 +-
 src/libstore/build.cc   |   11 +++++++----
 src/libstore/globals.cc |    4 ----
 src/libstore/globals.hh |    4 ----
 src/libstore/local.mk   |    3 ++-
 5 files changed, 10 insertions(+), 14 deletions(-)

diff --git a/release.nix b/release.nix
index c439257..bc4c06a 100644
--- a/release.nix
+++ b/release.nix
@@ -98,7 +98,7 @@ let
         preHook = lib.optionalString stdenv.isLinux (
           let sh = stdenv.shell; in
           ''
-            NIX_CFLAGS_COMPILE+=" -DDEFAULT_CHROOT_DIRS=\"/bin/sh=${sh}:$(tr 
'\n' ':' < ${writeReferencesToFile sh})\""
+            export DEFAULT_CHROOT_DIRS="/bin/sh=${sh} $(tr '\n' ' ' < 
${writeReferencesToFile sh})"
           '');
 
         enableParallelBuilding = true;
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index e3d96d9..5c67222 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -1792,12 +1792,15 @@ void DerivationGoal::startBuilder()
 
         /* Bind-mount a user-configurable set of directories from the
            host file system. */
-        foreach (StringSet::iterator, i, settings.dirsInChroot) {
-            size_t p = i->find('=');
+        PathSet dirs = 
tokenizeString<StringSet>(settings.get(string("build-chroot-dirs"), 
DEFAULT_CHROOT_DIRS));
+        PathSet dirs2 = 
tokenizeString<StringSet>(settings.get(string("build-extra-chroot-dirs"), ""));
+        dirs.insert(dirs2.begin(), dirs2.end());
+        for (auto & i : dirs) {
+            size_t p = i.find('=');
             if (p == string::npos)
-                dirsInChroot[*i] = *i;
+                dirsInChroot[i] = i;
             else
-                dirsInChroot[string(*i, 0, p)] = string(*i, p + 1);
+                dirsInChroot[string(i, 0, p)] = string(i, p + 1);
         }
         dirsInChroot[tmpDir] = tmpDir;
 
diff --git a/src/libstore/globals.cc b/src/libstore/globals.cc
index 77f2500..3e8c2c6 100644
--- a/src/libstore/globals.cc
+++ b/src/libstore/globals.cc
@@ -48,9 +48,6 @@ Settings::Settings()
     useSubstitutes = true;
     buildUsersGroup = getuid() == 0 ? "nixbld" : "";
     useChroot = false;
-#ifdef DEFAULT_CHROOT_DIRS
-    dirsInChroot = tokenizeString<StringSet>(DEFAULT_CHROOT_DIRS, ":");
-#endif
     useSshSubstituter = true;
     impersonateLinux26 = false;
     keepLog = true;
@@ -148,7 +145,6 @@ void Settings::update()
     get(useSubstitutes, "build-use-substitutes");
     get(buildUsersGroup, "build-users-group");
     get(useChroot, "build-use-chroot");
-    get(dirsInChroot, "build-chroot-dirs");
     get(impersonateLinux26, "build-impersonate-linux-26");
     get(keepLog, "build-keep-log");
     get(compressLog, "build-compress-log");
diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh
index d16969c..c3baca2 100644
--- a/src/libstore/globals.hh
+++ b/src/libstore/globals.hh
@@ -144,10 +144,6 @@ struct Settings {
     /* Whether to build in chroot. */
     bool useChroot;
 
-    /* The directories from the host filesystem to be included in the
-       chroot. */
-    StringSet dirsInChroot;
-
     /* Set of ssh connection strings for the ssh substituter */
     Strings sshSubstituterHosts;
 
diff --git a/src/libstore/local.mk b/src/libstore/local.mk
index 64dbfa3..180088d 100644
--- a/src/libstore/local.mk
+++ b/src/libstore/local.mk
@@ -21,7 +21,8 @@ libstore_CXXFLAGS = \
  -DNIX_LOG_DIR=\"$(localstatedir)/log/nix\" \
  -DNIX_CONF_DIR=\"$(sysconfdir)/nix\" \
  -DNIX_LIBEXEC_DIR=\"$(libexecdir)\" \
- -DNIX_BIN_DIR=\"$(bindir)\"
+ -DNIX_BIN_DIR=\"$(bindir)\" \
+ -DDEFAULT_CHROOT_DIRS="\"$(DEFAULT_CHROOT_DIRS)\""
 
 $(d)/local-store.cc: $(d)/schema.sql.hh
 



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