diff options
Diffstat (limited to 'scripts/nix-reduce-build.in')
| -rw-r--r-- | scripts/nix-reduce-build.in | 76 |
1 files changed, 50 insertions, 26 deletions
diff --git a/scripts/nix-reduce-build.in b/scripts/nix-reduce-build.in index 7da368a22cf5..0c33275d5eb0 100644 --- a/scripts/nix-reduce-build.in +++ b/scripts/nix-reduce-build.in @@ -24,6 +24,9 @@ if test -z "$1" || test "a--help" = "a$1" ; then echo "derivations with specified output hash (sha256, sha1 or md5)." >&2 echo " nix-daemon-substitute:// and nix-self-substitute:// try to substitute" >&2; echo "maximum amount of paths" >&2; + echo " nix-daemon-build:// and nix-self-build:// try to build (not substitute)" >&2; + echo "maximum amount of paths" >&2; + echo " If no package sources are specified, required paths are listed." >&2; exit; fi; @@ -71,10 +74,37 @@ echo Prepared $(cat wanted-paths | wc -l) paths to get. >&2 cat wanted-paths | xargs nix-store --check-validity --print-invalid > needed-paths; echo We need $(cat needed-paths | wc -l) paths. >&2 +egrep '[.]drv$' derivers-closure > critical-derivers; + if test -z "$1" ; then cat needed-paths; fi; +refresh_critical_derivers() { + echo "Finding needed derivers..." >&2; + cat critical-derivers | while read; do + if ! (nix-store --query --outputs "$REPLY" | xargs nix-store --check-validity &> /dev/null;); then + echo "$REPLY"; + fi; + done > new-critical-derivers; + mv new-critical-derivers critical-derivers; + echo The needed paths are realized by $(cat critical-derivers | wc -l) derivers. >&2 +} + +build_here() { + cat critical-derivers | while read; do + echo "Realising $REPLY using nix-daemon" >&2 + @bindir@/nix-store -r "${REPLY}" + done; +} + +try_to_substitute(){ + cat needed-paths | while read ; do + echo "Building $REPLY using nix-daemon" >&2 + @bindir@/nix-store -r "${NIX_STORE_DIR:-/nix/store}/${REPLY##*/}" + done; +} + for i in "$@"; do sshHost="${i#ssh://}"; httpHost="${i#http://}"; @@ -96,47 +126,41 @@ for i in "$@"; do gunzip < "$filePath/${REPLY##*/}".nar.gz | nix-store --import; done; elif [ "$i" = "nix-daemon://" ] ; then - cat needed-paths | while read ; do - echo "Building $REPLY using nix-daemon" >&2 - NIX_REMOTE=daemon @bindir@/nix-store -r "${NIX_STORE_DIR:-/nix/store}/${REPLY##*/}" - done; - cat derivers-closure | while read; do - echo "Realising $REPLY using nix-daemon" >&2 - NIX_REMOTE=daemon @bindir@/nix-store -r "${REPLY}" - done; + NIX_REMOTE=daemon try_to_substitute; + refresh_critical_derivers; + NIX_REMOTE=daemon build_here; elif [ "$i" = "nix-self://" ] ; then - cat needed-paths | while read ; do - echo "Building $REPLY using direct Nix build" >&2 - NIX_REMOTE= @bindir@/nix-store -r "${NIX_STORE_DIR:-/nix/store}/${REPLY##*/}" - done; - cat derivers-closure | while read; do - echo "Realising $REPLY using direct Nix build" >&2 - NIX_REMOTE= @bindir@/nix-store -r "${REPLY}" - done; + NIX_REMOTE= try_to_substitute; + refresh_critical_derivers; + NIX_REMOTE= build_here; elif [ "$i" = "nix-daemon-fixed://" ] ; then - cat derivers-closure | while read; do + refresh_critical_derivers; + + cat critical-derivers | while read; do if egrep '"(md5|sha1|sha256)"' "$REPLY" &>/dev/null; then echo "Realising $REPLY using nix-daemon" >&2 NIX_REMOTE=daemon @bindir@/nix-store -r "${REPLY}" fi; done; elif [ "$i" = "nix-self-fixed://" ] ; then - cat derivers-closure | while read; do + refresh_critical_derivers; + + cat critical-derivers | while read; do if egrep '"(md5|sha1|sha256)"' "$REPLY" &>/dev/null; then echo "Realising $REPLY using direct Nix build" >&2 NIX_REMOTE= @bindir@/nix-store -r "${REPLY}" fi; done; elif [ "$i" = "nix-daemon-substitute://" ] ; then - cat needed-paths | while read ; do - echo "Substituting $REPLY using nix-daemon" >&2 - NIX_REMOTE=daemon @bindir@/nix-store -r "${NIX_STORE_DIR:-/nix/store}/${REPLY##*/}" - done; + NIX_REMOTE=daemon try_to_substitute; elif [ "$i" = "nix-self-substitute://" ] ; then - cat needed-paths | while read ; do - echo "Substituting $REPLY using direct Nix build" >&2 - NIX_REMOTE= @bindir@/nix-store -r "${NIX_STORE_DIR:-/nix/store}/${REPLY##*/}" - done; + NIX_REMOTE= try_to_substitute; + elif [ "$i" = "nix-daemon-build://" ] ; then + refresh_critical_derivers; + NIX_REMOTE=daemon build_here; + elif [ "$i" = "nix-self-build://" ] ; then + refresh_critical_derivers; + NIX_REMOTE= build_here; fi; mv needed-paths wanted-paths; cat wanted-paths | xargs nix-store --check-validity --print-invalid > needed-paths; |