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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-10-10 13:28:20 +0200 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2013-10-10 13:28:20 +0200 |
commit | 5c1f8cbc70cd5e6867ef6a2a06d27a40daa07010 (patch) | |
tree | a6c0f605be6de3f372ae69905b331f9f75452da7 /nixos/modules/installer/tools/get-version-suffix | |
parent | 6070bc016bd2fd945b04347e25cfd3738622d2ac (diff) | |
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Move all of NixOS to nixos/ in preparation of the repository merge
Diffstat (limited to 'nixos/modules/installer/tools/get-version-suffix')
-rw-r--r-- | nixos/modules/installer/tools/get-version-suffix | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/nixos/modules/installer/tools/get-version-suffix b/nixos/modules/installer/tools/get-version-suffix new file mode 100644 index 00000000000..76cec8d5dae --- /dev/null +++ b/nixos/modules/installer/tools/get-version-suffix @@ -0,0 +1,29 @@ +getVersion() { + local dir="$1" + rev= + if [ -e "$dir/.git" ]; then + if [ -z "$(type -P git)" ]; then + echo "warning: Git not found; cannot figure out revision of $dir" >&2 + return + fi + cd "$dir" + rev=$(git rev-parse --short HEAD) + if git describe --always --dirty | grep -q dirty; then + rev+=M + fi + fi +} + +if nixos=$(nix-instantiate --find-file nixos "$@"); then + getVersion $nixos + if [ -n "$rev" ]; then + suffix="pre-$rev" + if nixpkgs=$(nix-instantiate --find-file nixpkgs "$@"); then + getVersion $nixpkgs + if [ -n "$rev" ]; then + suffix+="-$rev" + fi + fi + echo $suffix + fi +fi |