BUG: Graphs are empty for tag commit hashes

[HaoZeke]

Currently, running asv publish when results are present (say through a HASHFILE) based on tag commit hashes, the tags cannot be found and so the graphs are essentially empty:

asv publish
[ 11.11%] · Loading machine info
[ 22.22%] · Getting params, commits, tags and branches
[ 33.33%] · Loading results.
[ 33.33%] ·· Couldn't find 4f0a3eb8 in branches (main)
[ 33.33%] ·· Couldn't find ef0ec786 in branches (main).
[ 33.33%] ·· Couldn't find 7ce41185 in branches (main).
[ 33.33%] ·· Couldn't find f6dddcb2 in branches (main)
[ 33.33%] ·· Couldn't find 08772f91 in branches (main).
[ 33.33%] ·· Couldn't find 21cacafb in branches (main)
[ 33.33%] ·· Couldn't find 5726e6ce in branches (main).
[ 33.33%] ·· Couldn't find 8cec8201 in branches (main)
[ 33.33%] ·· Couldn't find f8021557 in branches (main).
[ 33.33%] ·· Couldn't find 4adc87df in branches (main)
[ 33.33%] ·· Couldn't find 6377d884 in branches (main).
[ 33.33%] ·· Couldn't find e47cbb69 in branches (main).
[ 33.33%] ·· Couldn't find 54c52f13 in branches (main)
[ 33.33%] ·· Couldn't find 7d4349e3 in branches (main).
[ 33.33%] ·· Couldn't find 1f82da74 in branches (main)
[ 33.33%] ·· Couldn't find 5c598ed6 in branches (main).
[ 33.33%] ·· Couldn't find de82cd94 in branches (main)
[ 33.33%] ·· Couldn't find 754e59d5 in branches (main)
[ 44.44%] · Detecting steps.
[ 55.56%] · Generating graphs
[ 66.67%] · Generating output for SummaryGrid
[ 77.78%] · Generating output for SummaryList
[ 88.89%] · Generating output for Regressions.
[100.00%] · Writing index