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lib: commitIdFromGitRepo: simplify a tiny bit

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This commit is contained in:
Jan Malakhovski 2018-11-07 09:07:42 +00:00
parent d2d80e6d30
commit 2f5e4c733b
1 changed files with 3 additions and 3 deletions
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6
lib/sources.nix
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@ -73,7 +73,7 @@ rec {
# Get the commit id of a git repo
# Example: commitIdFromGitRepo <nixpkgs/.git>
commitIdFromGitRepo =
let readCommitFromFile = path: file:
let readCommitFromFile = file: path:
with builtins;
let fileName = toString path + "/" + file;
packedRefsName = toString path + "/packed-refs";
@ -85,7 +85,7 @@ rec {
matchRef = match "^ref: (.*)$" fileContent;
in if isNull matchRef
then fileContent
else readCommitFromFile path (lib.head matchRef)
else readCommitFromFile (lib.head matchRef) path
# Sometimes, the file isn't there at all and has been packed away in the
# packed-refs file, so we have to grep through it:
else if lib.pathExists packedRefsName
@ -96,7 +96,7 @@ rec {
then throw ("Could not find " + file + " in " + packedRefsName)
else lib.head matchRef
else throw ("Not a .git directory: " + path);
in lib.flip readCommitFromFile "HEAD";
in readCommitFromFile "HEAD";
pathHasContext = builtins.hasContext or (lib.hasPrefix builtins.storeDir);