diff options
Diffstat (limited to 'src/repo/s6rc_repo_compile.c')
| -rw-r--r-- | src/repo/s6rc_repo_compile.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/repo/s6rc_repo_compile.c b/src/repo/s6rc_repo_compile.c index 64f8879..83fa744 100644 --- a/src/repo/s6rc_repo_compile.c +++ b/src/repo/s6rc_repo_compile.c @@ -22,6 +22,7 @@ int s6rc_repo_compile (char const *repo, char const *set, char const *const *rxs size_t setlen = strlen(set) ; size_t totrxlen = 0 ; int needprefix = strcmp(set, ".ref") ; + char snap[repolen + setlen + 37] ; char newc[repolen + setlen + 45] ; memcpy(newc, repo, repolen) ; memcpy(newc + repolen, "/compiled/.", 11) ; @@ -89,6 +90,26 @@ int s6rc_repo_compile (char const *repo, char const *set, char const *const *rxs return (WEXITSTATUS(wstat) == 1) - 1 ; } } + + if (needprefix) + { + int e ; + memcpy(snap, ".snapshot:", 10) ; + memcpy(snap + 10, newc + repolen + 11, setlen + 26) ; + snap[repolen + setlen + 36] = 0 ; + e = s6rc_repo_setcopy(repo, set, snap, 1) ; + switch (e) + { + case -2 : + strerr_warnf("internal layout error while taking a snapshot of set ", set) ; + return (errno = EILSEQ, -1) ; + case 0 : break ; + default : + strerr_warnfusys("take a snapshot of set ", set) ; + return (errno = e, -1) ; + } + } + { char fn[repolen + setlen + 11] ; memcpy(fn, newc, repolen + 10) ; @@ -97,10 +118,12 @@ int s6rc_repo_compile (char const *repo, char const *set, char const *const *rxs { int e = errno ; rm_rf(newc) ; + s6rc_repo_setdelete(repo, snap) ; errno = e ; strerr_warnfu4sys("atomically symlink ", newc + repolen + 10, " to ", fn) ; return -1 ; } } + return 1 + !!oldc[repolen + 10] ; } |